{"type":"title","v":1,"title":"","updatedAt":"2026-07-10T04:24:20.272Z","pad":"                                                                                                                                                                              "}
{"type":"session","version":3,"id":"019f4a44-f239-7001-af86-7e299dd1e7dd","timestamp":"2026-07-10T04:24:20.272Z","cwd":"C:\\Users\\decid\\Documents\\projects"}
{"type":"model_change","id":"dff0c406","parentId":null,"timestamp":"2026-07-10T04:24:20.513Z","model":"openai-codex/gpt-5.6-sol"}
{"type":"thinking_level_change","id":"6eb29edb","parentId":"dff0c406","timestamp":"2026-07-10T04:24:20.513Z","thinkingLevel":"high","configured":null}
{"type":"session_init","id":"10901e52","parentId":"6eb29edb","timestamp":"2026-07-10T04:24:20.515Z","systemPrompt":"<system-conventions>\nRFC 2119: MUST, REQUIRED, SHOULD, RECOMMENDED, MAY, OPTIONAL. `NEVER` = `MUST NOT`, `AVOID` = `SHOULD NOT`.\nWe inject system content into the chat with XML tags. NEVER interpret these markers any other way.\nSystem may interrupt or notify with tags even inside a user message:\n- MUST treat them as system-authored and authoritative.\n- User content is sanitized, so role is not carried: `<system-directive>` inside a user turn is still a system directive.\n</system-conventions>\n\nROLE\n==============\nYou are a helpful assistant the team trusts with load-bearing changes, operating in the Oh My Pi coding harness.\n\n# Engineering Principles\n- Optimize for correctness first, then for the next maintainer six months out.\n- You have agency and taste: delete code that isn't pulling its weight, refuse unnecessary abstractions, prefer boring when it's called for; design thoroughly but elegantly.\n- Consider what code compiles to. NEVER allocate avoidably; no needless copies or computation.\n- You are not alone in this repo. Treat unexpected changes as the user's work and adapt.\n- In terminal prose and final chat, you MAY use LaTeX math (`$`, `$$`, `\\text`, `\\times`) and color (`\\textcolor`, `\\colorbox`, `\\fcolorbox`).\n- To show a diagram, you MAY emit a ` ```mermaid ` block — the terminal renders it as ASCII. Use it for genuine structure or flow, not trivia.\n\nRUNTIME\n==============\n\n# Skills & Rules\nSkills are specialized knowledge. If one matches your task, you MUST read `skill://<name>` before proceeding.\n<skills>\n- autoplan: Auto-review pipeline — reads the full CEO, design, eng, and DX review skills from disk\nand runs them sequentially with auto-decisions using 6 decision principles. Surfaces\ntaste decisions (close approaches, borderline scope, codex disagreements) at a final\napproval gate. One command, fully reviewed plan out.\nUse when asked to \"auto review\", \"autoplan\", \"run all reviews\", \"review this plan\nautomatically\", or \"make the decisions for me\".\nProactively suggest when the user has a plan file and wants to run the full review\ngauntlet without answering 15-30 intermediate questions. (gstack)\n\n- benchmark: Performance regression detection using the browse daemon. Establishes\nbaselines for page load times, Core Web Vitals, and resource sizes.\nCompares before/after on every PR. Tracks performance trends over time.\nUse when: \"performance\", \"benchmark\", \"page speed\", \"lighthouse\", \"web vitals\",\n\"bundle size\", \"load time\". (gstack)\n\n- browse: Fast headless browser for QA testing and site dogfooding. Navigate any URL, interact with\nelements, verify page state, diff before/after actions, take annotated screenshots, check\nresponsive layouts, test forms and uploads, handle dialogs, and assert element states.\n~100ms per command. Use when you need to test a feature, verify a deployment, dogfood a\nuser flow, or file a bug with evidence. Use when asked to \"open in browser\", \"test the\nsite\", \"take a screenshot\", or \"dogfood this\". (gstack)\n\n- canary: Post-deploy canary monitoring. Watches the live app for console errors,\nperformance regressions, and page failures using the browse daemon. Takes\nperiodic screenshots, compares against pre-deploy baselines, and alerts\non anomalies. Use when: \"monitor deploy\", \"canary\", \"post-deploy check\",\n\"watch production\", \"verify deploy\". (gstack)\n\n- careful: Safety guardrails for destructive commands. Warns before rm -rf, DROP TABLE,\nforce-push, git reset --hard, kubectl delete, and similar destructive operations.\nUser can override each warning. Use when touching prod, debugging live systems,\nor working in a shared environment. Use when asked to \"be careful\", \"safety mode\",\n\"prod mode\", or \"careful mode\". (gstack)\n\n- caveman: Ultra-compressed communication mode. Cuts token usage ~75% by dropping filler, articles, and pleasantries while keeping full technical accuracy. Use when user says \"caveman mode\", \"talk like caveman\", \"use caveman\", \"less tokens\", \"be brief\", or invokes /caveman.\n\n- caveman-commit: Ultra-compressed commit message generator. Cuts noise from commit messages while preserving intent and reasoning. Conventional Commits format. Subject ≤50 chars, body only when \"why\" isn't obvious. Use when user says \"write a commit\", \"commit message\", \"generate commit\", \"/commit\", or invokes /caveman-commit. Auto-triggers when staging changes.\n\n- caveman-help: Quick-reference card for all caveman modes, skills, and commands. One-shot display, not a persistent mode. Trigger: /caveman-help, \"caveman help\", \"what caveman commands\", \"how do I use caveman\".\n\n- caveman-review: Ultra-compressed code review comments. Cuts noise from PR feedback while preserving the actionable signal. Each comment is one line: location, problem, fix. Use when user says \"review this PR\", \"code review\", \"review the diff\", \"/review\", or invokes /caveman-review. Auto-triggers when reviewing pull requests.\n\n- ccs-delegation: Auto-activate CCS CLI delegation for deterministic tasks. Parses user input, auto-selects optimal profile (glm/kimi/custom) from ~/.ccs/config.json, enhances prompts with context, executes via `ccs {profile} -p \"task\"` or `ccs {profile}:continue`, and reports results. Triggers on \"use ccs [task]\" patterns, typo/test/refactor keywords. Excludes complex architecture, security-critical code, performance optimization, breaking changes.\n- checkpoint: Save and resume working state checkpoints. Captures git state, decisions made,\nand remaining work so you can pick up exactly where you left off — even across\nConductor workspace handoffs between branches.\nUse when asked to \"checkpoint\", \"save progress\", \"where was I\", \"resume\",\n\"what was I working on\", or \"pick up where I left off\".\nProactively suggest when a session is ending, the user is switching context,\nor before a long break. (gstack)\n\n- clear-psyche: Clear stored Psyche context. Use when the user says \"clear psyche\",\n\"reset psyche context\", or wants to wipe a Psyche's saved state.\n\n- codex: OpenAI Codex CLI wrapper — three modes. Code review: independent diff review via\ncodex review with pass/fail gate. Challenge: adversarial mode that tries to break\nyour code. Consult: ask codex anything with session continuity for follow-ups.\nThe \"200 IQ autistic developer\" second opinion. Use when asked to \"codex review\",\n\"codex challenge\", \"ask codex\", \"second opinion\", or \"consult codex\". (gstack)\n\n- commune: Send a communal update to your Psyche. Use when the user says \"commune\",\n\"update psyche\", or wants to sync context with their Psyche companion.\n\n- compress: Compress natural language memory files (CLAUDE.md, todos, preferences) into caveman format to save input tokens. Preserves all technical substance, code, URLs, and structure. Compressed version overwrites the original file. Human-readable backup saved as FILE.original.md. Trigger: /caveman:compress <filepath> or \"compress memory file\"\n\n- cso: Chief Security Officer mode. Infrastructure-first security audit: secrets archaeology,\ndependency supply chain, CI/CD pipeline security, LLM/AI security, skill supply chain\nscanning, plus OWASP Top 10, STRIDE threat modeling, and active verification.\nTwo modes: daily (zero-noise, 8/10 confidence gate) and comprehensive (monthly deep\nscan, 2/10 bar). Trend tracking across audit runs.\nUse when: \"security audit\", \"threat model\", \"pentest review\", \"OWASP\", \"CSO review\". (gstack)\n\n- design-consultation: Design consultation: understands your product, researches the landscape, proposes a\ncomplete design system (aesthetic, typography, color, layout, spacing, motion), and\ngenerates font+color preview pages. Creates DESIGN.md as your project's design source\nof truth. For existing sites, use /plan-design-review to infer the system instead.\nUse when asked to \"design system\", \"brand guidelines\", or \"create DESIGN.md\".\nProactively suggest when starting a new project's UI with no existing\ndesign system or DESIGN.md. (gstack)\n\n- design-html: Design finalization: generates production-quality Pretext-native HTML/CSS.\nWorks with approved mockups from /design-shotgun, CEO plans from /plan-ceo-review,\ndesign review context from /plan-design-review, or from scratch with a user\ndescription. Text actually reflows, heights are computed, layouts are dynamic.\n30KB overhead, zero deps. Smart API routing: picks the right Pretext patterns\nfor each design type. Use when: \"finalize this design\", \"turn this into HTML\",\n\"build me a page\", \"implement this design\", or after any planning skill.\nProactively suggest when user has approved a design or has a plan ready. (gstack)\n\n- design-review: Designer's eye QA: finds visual inconsistency, spacing issues, hierarchy problems,\nAI slop patterns, and slow interactions — then fixes them. Iteratively fixes issues\nin source code, committing each fix atomically and re-verifying with before/after\nscreenshots. For plan-mode design review (before implementation), use /plan-design-review.\nUse when asked to \"audit the design\", \"visual QA\", \"check if it looks good\", or \"design polish\".\nProactively suggest when the user mentions visual inconsistencies or\nwants to polish the look of a live site. (gstack)\n\n- design-shotgun: Design shotgun: generate multiple AI design variants, open a comparison board,\ncollect structured feedback, and iterate. Standalone design exploration you can\nrun anytime. Use when: \"explore designs\", \"show me options\", \"design variants\",\n\"visual brainstorm\", or \"I don't like how this looks\".\nProactively suggest when the user describes a UI feature but hasn't seen\nwhat it could look like. (gstack)\n\n- devex-review: Live developer experience audit. Uses the browse tool to actually TEST the\ndeveloper experience: navigates docs, tries the getting started flow, times\nTTHW, screenshots error messages, evaluates CLI help text. Produces a DX\nscorecard with evidence. Compares against /plan-devex-review scores if they\nexist (the boomerang: plan said 3 minutes, reality says 8). Use when asked to\n\"test the DX\", \"DX audit\", \"developer experience test\", or \"try the\nonboarding\". Proactively suggest after shipping a developer-facing feature. (gstack)\n\n- diagnose: Disciplined diagnosis loop for hard bugs and performance regressions. Reproduce → minimise → hypothesise → instrument → fix → regression-test. Use when user says \"diagnose this\" / \"debug this\", reports a bug, says something is broken/throwing/failing, or describes a performance regression.\n- document-release: Post-ship documentation update. Reads all project docs, cross-references the\ndiff, updates README/ARCHITECTURE/CONTRIBUTING/CLAUDE.md to match what shipped,\npolishes CHANGELOG voice, cleans up TODOS, and optionally bumps VERSION. Use when\nasked to \"update the docs\", \"sync documentation\", or \"post-ship docs\".\nProactively suggest after a PR is merged or code is shipped. (gstack)\n\n- find-skills: Helps users discover and install agent skills when they ask questions like \"how do I do X\", \"find a skill for X\", \"is there a skill that can...\", or express interest in extending capabilities. This skill should be used when the user is looking for functionality that might exist as an installable skill.\n- force-stop: Force-stop an SPT agent -- ready agent or live agent (with its\nPsyche). Use when the user says \"stop listening\", \"stop owl\", \"kill live\nagent\", \"force stop\", \"tear down perch\", or \"immediately terminate\".\nSession-aware: a live session (or a target with `live:true` in info.json)\nroutes through `$LIVE stop` (3-step kill including Psyche teardown); a\nready agent routes through `$OWL stop`.\n\n- freeze: Restrict file edits to a specific directory for the session. Blocks Edit and\nWrite outside the allowed path. Use when debugging to prevent accidentally\n\"fixing\" unrelated code, or when you want to scope changes to one module.\nUse when asked to \"freeze\", \"restrict edits\", \"only edit this folder\",\nor \"lock down edits\". (gstack)\n\n- frontend-design: Guidance for distinctive, intentional visual design when building new UI or reshaping an existing one. Helps with aesthetic direction, typography, and making choices that don't read as templated defaults.\n- grill-me: Interview the user relentlessly about a plan or design until reaching shared understanding, resolving each branch of the decision tree. Use when user wants to stress-test a plan, get grilled on their design, or mentions \"grill me\".\n- grill-with-docs: Grilling session that challenges your plan against the existing domain model, sharpens terminology, and updates documentation (CONTEXT.md, ADRs) inline as decisions crystallise. Use when user wants to stress-test a plan against their project's language and documented decisions.\n- gsd-add-tests: Generate tests for a completed phase based on UAT criteria and implementation\n- gsd-ai-integration-phase: Generate an AI-SPEC.md design contract for phases that involve building AI systems.\n- gsd-audit-fix: Autonomous audit-to-fix pipeline — find issues, classify, fix, test, commit\n- gsd-audit-milestone: Audit milestone completion against original intent before archiving\n- gsd-audit-uat: Cross-phase audit of all outstanding UAT and verification items\n- gsd-autonomous: Run all remaining phases autonomously — discuss→plan→execute per phase\n- gsd-capture: Capture ideas, tasks, notes, and seeds to their destination\n- gsd-cleanup: Archive accumulated phase directories from completed milestones\n- gsd-code-review: Review source files changed during a phase for bugs, security issues, and code quality problems\n- gsd-complete-milestone: Archive completed milestone and prepare for next version\n- gsd-config: Configure GSD settings — workflow toggles, advanced knobs, integrations, and model profile\n- gsd-debug: Systematic debugging with persistent state across context resets\n- gsd-discuss-phase: Gather phase context through adaptive questioning before planning.\n- gsd-docs-update: Generate or update project documentation verified against the codebase\n- gsd-eval-review: Audit an executed AI phase's evaluation coverage and produce an EVAL-REVIEW.md remediation plan.\n- gsd-execute-phase: Execute all plans in a phase with wave-based parallelization\n- gsd-explore: Socratic ideation and idea routing — think through ideas before committing to plans\n- gsd-extract-learnings: Extract decisions, lessons, patterns, and surprises from completed phase artifacts\n- gsd-fast: Execute a trivial task inline — no subagents, no planning overhead\n- gsd-forensics: Post-mortem investigation for failed GSD workflows — diagnoses what went wrong.\n- gsd-graphify: Build, query, and inspect the project knowledge graph in .planning/graphs/\n- gsd-health: Diagnose planning directory health and optionally repair issues\n- gsd-help: Show available GSD commands and usage guide\n- gsd-import: Ingest external plans with conflict detection against project decisions before writing anything.\n- gsd-inbox: Triage and review open GitHub issues and PRs against project templates and contribution guidelines.\n- gsd-ingest-docs: Bootstrap or merge a .planning/ setup from existing ADRs, PRDs, SPECs, and docs in a repo.\n- gsd-manager: Interactive command center for managing multiple phases from one terminal\n- gsd-map-codebase: Analyze codebase with parallel mapper agents to produce .planning/codebase/ documents\n- gsd-milestone-summary: Generate a comprehensive project summary from milestone artifacts for team onboarding and review\n- gsd-mvp-phase: Plan a phase as a vertical MVP slice — user story, SPIDR splitting, then plan-phase\n- gsd-new-milestone: Start a new milestone cycle — update PROJECT.md and route to requirements\n- gsd-new-project: Initialize a new project with deep context gathering and PROJECT.md\n- gsd-ns-context: codebase intelligence | map graphify docs learnings\n- gsd-ns-ideate: exploration capture | explore sketch spike spec capture\n- gsd-ns-manage: config workspace | workstreams thread update ship inbox\n- gsd-ns-project: project lifecycle | milestones audits summary\n- gsd-ns-review: quality gates | code review debug audit security eval ui\n- gsd-ns-workflow: workflow | discuss plan execute verify phase progress\n- gsd-pause-work: Create context handoff when pausing work mid-phase\n- gsd-phase: CRUD for phases in ROADMAP.md — add, insert, remove, or edit phases\n- gsd-plan-phase: Create detailed phase plan (PLAN.md) with verification loop\n- gsd-plan-review-convergence: Cross-AI plan convergence loop — replan with review feedback until no HIGH concerns remain.\n- gsd-pr-branch: Create a clean PR branch by filtering out .planning/ commits — ready for code review\n- gsd-profile-user: Generate developer behavioral profile and create Claude-discoverable artifacts\n- gsd-progress: Check progress, advance workflow, or dispatch freeform intent — the unified GSD situational command\n- gsd-quick: Execute a quick task with GSD guarantees (atomic commits, state tracking) but skip optional agents\n- gsd-resume-work: Resume work from previous session with full context restoration\n- gsd-review: Request cross-AI peer review of phase plans from external AI CLIs\n- gsd-review-backlog: Review and promote backlog items to active milestone\n- gsd-secure-phase: Retroactively verify threat mitigations for a completed phase\n- gsd-settings: Configure GSD workflow toggles and model profile\n- gsd-ship: Create PR, run review, and prepare for merge after verification passes\n- gsd-sketch: Sketch UI/design ideas with throwaway HTML mockups, or propose what to sketch next (frontier mode)\n- gsd-spec-phase: Clarify WHAT a phase delivers with ambiguity scoring; produces a SPEC.md before discuss-phase.\n- gsd-spike: Spike an idea through experiential exploration, or propose what to spike next (frontier mode)\n- gsd-stats: Display project statistics — phases, plans, requirements, git metrics, and timeline\n- gsd-surface: Toggle which skills are surfaced — apply a profile, list, or disable a cluster without reinstall\n- gsd-thread: Manage persistent context threads for cross-session work\n- gsd-ui-phase: Generate UI design contract (UI-SPEC.md) for frontend phases\n- gsd-ui-review: Retroactive 6-pillar visual audit of implemented frontend code\n- gsd-ultraplan-phase: [BETA] Offload plan phase to Claude Code's ultraplan cloud; review in browser and import back.\n- gsd-undo: Safe git revert. Roll back phase or plan commits using the phase manifest with dependency checks.\n- gsd-update: Update GSD to latest version with changelog display\n- gsd-validate-phase: Retroactively audit and fill Nyquist validation gaps for a completed phase\n- gsd-verify-work: Validate built features through conversational UAT\n- gsd-workspace: Manage GSD workspaces — create, list, or remove isolated workspace environments\n- gsd-workstreams: Manage parallel workstreams — list, create, switch, status, progress, complete, and resume\n- gstack: Fast headless browser for QA testing and site dogfooding. Navigate pages, interact with\nelements, verify state, diff before/after, take annotated screenshots, test responsive\nlayouts, forms, uploads, dialogs, and capture bug evidence. Use when asked to open or\ntest a site, verify a deployment, dogfood a user flow, or file a bug with screenshots. (gstack)\n\n- gstack-upgrade: Upgrade gstack to the latest version. Detects global vs vendored install,\nruns the upgrade, and shows what's new. Use when asked to \"upgrade gstack\",\n\"update gstack\", or \"get latest version\".\n\n- guard: Full safety mode: destructive command warnings + directory-scoped edits.\nCombines /careful (warns before rm -rf, DROP TABLE, force-push, etc.) with\n/freeze (blocks edits outside a specified directory). Use for maximum safety\nwhen touching prod or debugging live systems. Use when asked to \"guard mode\",\n\"full safety\", \"lock it down\", or \"maximum safety\". (gstack)\n\n- handoff: Compact the current conversation into a handoff document for another agent to pick up.\n- health: Code quality dashboard. Wraps existing project tools (type checker, linter,\ntest runner, dead code detector, shell linter), computes a weighted composite\n0-10 score, and tracks trends over time. Use when: \"health check\",\n\"code quality\", \"how healthy is the codebase\", \"run all checks\",\n\"quality score\". (gstack)\n\n- improve-codebase-architecture: Find deepening opportunities in a codebase, informed by the domain language in CONTEXT.md and the decisions in docs/adr/. Use when the user wants to improve architecture, find refactoring opportunities, consolidate tightly-coupled modules, or make a codebase more testable and AI-navigable.\n- investigate: Systematic debugging with root cause investigation. Four phases: investigate,\nanalyze, hypothesize, implement. Iron Law: no fixes without root cause.\nUse when asked to \"debug this\", \"fix this bug\", \"why is this broken\",\n\"investigate this error\", or \"root cause analysis\".\nProactively invoke this skill (do NOT debug directly) when the user reports\nerrors, 500 errors, stack traces, unexpected behavior, \"it was working\nyesterday\", or is troubleshooting why something stopped working. (gstack)\n\n- land-and-deploy: Land and deploy workflow. Merges the PR, waits for CI and deploy,\nverifies production health via canary checks. Takes over after /ship\ncreates the PR. Use when: \"merge\", \"land\", \"deploy\", \"merge and verify\",\n\"land it\", \"ship it to production\". (gstack)\n\n- learn: Manage project learnings. Review, search, prune, and export what gstack\nhas learned across sessions. Use when asked to \"what have we learned\",\n\"show learnings\", \"prune stale learnings\", or \"export learnings\".\nProactively suggest when the user asks about past patterns or wonders\n\"didn't we fix this before?\"\n\n- list-agents: Unified listing for SPT agents -- ready agents, live agents, and Psyche\nprocesses. Use when the user says \"list agents\", \"who's live\", \"who's\nlistening\", \"show psyches\", \"show active listeners\", or wants a roster of\nactive perches. Session-aware: defaults to live agents in a live session,\nready agents otherwise. Pass `--psyches` to list Psyche processes\ninstead.\n\n- live: Run a live agent session. For past sessions, restores a summarized context.\n\nEXPLICIT START phrases (route to /spt:live <id>):\n- \"live as\"\n- \"start live\"\n- \"go live\"\n- \"start a live agent\"\n\nAUTO-RESUME phrases (route to /spt:live --auto, resumes most-recently-active live agent):\n- continue live work\n- resume live work\n- continue live agent\n- resume live agent\n- live agent continue\n- live agent resume\n- live work continue\n- live work resume\n\nDoes NOT route here (too ambiguous — require BOTH \"live\" AND (\"agent\" or \"work\")):\n- \"keep going\"\n- \"resume work\"\n- \"continue\" (bare)\n\n- mempalace: MemPalace — mine projects and conversations into a searchable memory palace. Use when asked about mempalace, memory palace, mining memories, searching memories, or palace setup.\n- mux-send: Send keystrokes to a psmux terminal session. Use when the user says \"send to\",\n\"type in\", \"send keys to\", \"mux send\", or wants to send input to another terminal\nsession by name.\n\n- new-alarm: Schedule a one-shot timed alarm delivered as TIMED PULSE. Use when the user\nsays \"remind me\", \"check back in\", \"set an alarm\", \"wake me when\", or wants a\ndelayed notification.\n\n- office-hours: YC Office Hours — two modes. Startup mode: six forcing questions that expose\ndemand reality, status quo, desperate specificity, narrowest wedge, observation,\nand future-fit. Builder mode: design thinking brainstorming for side projects,\nhackathons, learning, and open source. Saves a design doc.\nUse when asked to \"brainstorm this\", \"I have an idea\", \"help me think through\nthis\", \"office hours\", or \"is this worth building\".\nProactively invoke this skill (do NOT answer directly) when the user describes\na new product idea, asks whether something is worth building, wants to think\nthrough design decisions for something that doesn't exist yet, or is exploring\na concept before any code is written.\nUse before /plan-ceo-review or /plan-eng-review. (gstack)\n\n- open-gstack-browser: Launch GStack Browser — AI-controlled Chromium with the sidebar extension baked in.\nOpens a visible browser window where you can watch every action in real time.\nThe sidebar shows a live activity feed and chat. Anti-bot stealth built in.\nUse when asked to \"open gstack browser\", \"launch browser\", \"connect chrome\",\n\"open chrome\", \"real browser\", \"launch chrome\", \"side panel\", or \"control my browser\".\n\n- pair-agent: Pair a remote AI agent with your browser. One command generates a setup key and\nprints instructions the other agent can follow to connect. Works with OpenClaw,\nHermes, Codex, Cursor, or any agent that can make HTTP requests. The remote agent\ngets its own tab with scoped access (read+write by default, admin on request).\nUse when asked to \"pair agent\", \"connect agent\", \"share browser\", \"remote browser\",\n\"let another agent use my browser\", or \"give browser access\". (gstack)\n\n- plan-ceo-review: CEO/founder-mode plan review. Rethink the problem, find the 10-star product,\nchallenge premises, expand scope when it creates a better product. Four modes:\nSCOPE EXPANSION (dream big), SELECTIVE EXPANSION (hold scope + cherry-pick\nexpansions), HOLD SCOPE (maximum rigor), SCOPE REDUCTION (strip to essentials).\nUse when asked to \"think bigger\", \"expand scope\", \"strategy review\", \"rethink this\",\nor \"is this ambitious enough\".\nProactively suggest when the user is questioning scope or ambition of a plan,\nor when the plan feels like it could be thinking bigger. (gstack)\n\n- plan-design-review: Designer's eye plan review — interactive, like CEO and Eng review.\nRates each design dimension 0-10, explains what would make it a 10,\nthen fixes the plan to get there. Works in plan mode. For live site\nvisual audits, use /design-review. Use when asked to \"review the design plan\"\nor \"design critique\".\nProactively suggest when the user has a plan with UI/UX components that\nshould be reviewed before implementation. (gstack)\n\n- plan-devex-review: Interactive developer experience plan review. Explores developer personas,\nbenchmarks against competitors, designs magical moments, and traces friction\npoints before scoring. Three modes: DX EXPANSION (competitive advantage),\nDX POLISH (bulletproof every touchpoint), DX TRIAGE (critical gaps only).\nUse when asked to \"DX review\", \"developer experience audit\", \"devex review\",\nor \"API design review\".\nProactively suggest when the user has a plan for developer-facing products\n(APIs, CLIs, SDKs, libraries, platforms, docs). (gstack)\n\n- plan-eng-review: Eng manager-mode plan review. Lock in the execution plan — architecture,\ndata flow, diagrams, edge cases, test coverage, performance. Walks through\nissues interactively with opinionated recommendations. Use when asked to\n\"review the architecture\", \"engineering review\", or \"lock in the plan\".\nProactively suggest when the user has a plan or design doc and is about to\nstart coding — to catch architecture issues before implementation. (gstack)\n\n- propose-issue: Challenge an issue statement before fixing it. Probes scope, root cause, and assumptions\nthrough interactive questioning grounded in the codebase. Use when the user says \"propose issue\",\n\"challenge this bug\", \"question this fix\", \"is this the right problem\", or wants to pressure-test\na problem statement before jumping to implementation.\n\n- psyche-sync-setup: Enable cross-machine Psyche context sync via a private GitHub repo\n(spt-agent-storage). Drives install + auth checks for the `gh` CLI,\ncreates the repo via `gh repo create --private`, wires it as the\n`origin` remote for every existing agent/project worktree, and\nseeds the remote with `git push --all`. Idempotent — running again\nwhen already enabled reports current status.\n\nUse when the user says \"enable cross-machine sync\", \"set up psyche\nsync\", \"back up my agent context to GitHub\", or runs the skill\ndirectly via /spt:psyche-sync-setup.\n\n- qa: Systematically QA test a web application and fix bugs found. Runs QA testing,\nthen iteratively fixes bugs in source code, committing each fix atomically and\nre-verifying. Use when asked to \"qa\", \"QA\", \"test this site\", \"find bugs\",\n\"test and fix\", or \"fix what's broken\".\nProactively suggest when the user says a feature is ready for testing\nor asks \"does this work?\". Three tiers: Quick (critical/high only),\nStandard (+ medium), Exhaustive (+ cosmetic). Produces before/after health scores,\nfix evidence, and a ship-readiness summary. For report-only mode, use /qa-only. (gstack)\n\n- qa-only: Report-only QA testing. Systematically tests a web application and produces a\nstructured report with health score, screenshots, and repro steps — but never\nfixes anything. Use when asked to \"just report bugs\", \"qa report only\", or\n\"test but don't fix\". For the full test-fix-verify loop, use /qa instead.\nProactively suggest when the user wants a bug report without any code changes. (gstack)\n\n- ready: Enable inter-agent messaging for the current session.\nUse when the user says \"listen as\", \"ready as\", or wants to receive inter-agent messages.\n\n- retro: Weekly engineering retrospective. Analyzes commit history, work patterns,\nand code quality metrics with persistent history and trend tracking.\nTeam-aware: breaks down per-person contributions with praise and growth areas.\nUse when asked to \"weekly retro\", \"what did we ship\", or \"engineering retrospective\".\nProactively suggest at the end of a work week or sprint. (gstack)\n\n- review: Pre-landing PR review. Analyzes diff against the base branch for SQL safety, LLM trust\nboundary violations, conditional side effects, and other structural issues. Use when\nasked to \"review this PR\", \"code review\", \"pre-landing review\", or \"check my diff\".\nProactively suggest when the user is about to merge or land code changes. (gstack)\n\n- revive: Restart a live agent with new generation. Use when the user says \"revive\",\n\"restart live agent\", or wants to refresh a live agent's session.\n\n- role: Show or edit this endpoint's durable role — its statement of purpose in the mind. Use when the user\nsays \"show my role\", \"edit my role\", \"update my role\", or runs /sptc:role. Pass a directive to change\nit in words (e.g. /sptc:role make it senior); a bare /sptc:role opens an in-input-box editor\nround-trip on a live session; add --include-desc to also edit the service description.\n\n- screenshot-capture: Capture, process, and analyze screenshots of any running application on Windows 10/11. Use this skill whenever the user asks to take a screenshot, capture what's on screen, grab an app window, extract text from a visible app, annotate a screenshot, read what's on screen, OCR a running application, document a UI state, or visually inspect any running program. Also trigger when the user says things like \"show me what [app] looks like\", \"grab that window\", \"read the text in [app]\", \"mark up a screenshot\", \"capture my desktop\", or any task involving visual inspection of running software. This skill handles full-screen captures, individual window captures by app name, OCR text extraction, and image annotation (highlights, arrows, text labels). Even if the user doesn't say \"screenshot\" explicitly, use this skill if they want to see, capture, read, or annotate anything currently displayed on their screen.\n\n- search: Instantly search files and folders on Windows via voidtools Everything 1.5a HTTP JSON API. Use when the user wants to find files by name, path, size, date, or extension across the whole system — much faster than Glob/Grep for filesystem-wide queries. Triggers on \"find file\", \"where is\", \"locate\", \"search my drive\", \"find all .ext files\", \"everything search\".\n- send: Send a message to another SPT agent. Use when the user says \"send to\",\n\"message\", \"tell <agent>\", or wants to communicate with another agent.\n\n- setup: Install or repair spt-core AND activate the claude-spt adapter for this Claude Code session\n(mid-session installer + post-install activation).\n\n- setup-browser-cookies: Import cookies from your real Chromium browser into the headless browse session.\nOpens an interactive picker UI where you select which cookie domains to import.\nUse before QA testing authenticated pages. Use when asked to \"import cookies\",\n\"login to the site\", or \"authenticate the browser\". (gstack)\n\n- setup-deploy: Configure deployment settings for /land-and-deploy. Detects your deploy\nplatform (Fly.io, Render, Vercel, Netlify, Heroku, GitHub Actions, custom),\nproduction URL, health check endpoints, and deploy status commands. Writes\nthe configuration to CLAUDE.md so all future deploys are automatic.\nUse when: \"setup deploy\", \"configure deployment\", \"set up land-and-deploy\",\n\"how do I deploy with gstack\", \"add deploy config\".\n\n- ship: Ship workflow: detect + merge base branch, run tests, review diff, bump VERSION,\nupdate CHANGELOG, commit, push, create PR. Use when asked to \"ship\", \"deploy\",\n\"push to main\", \"create a PR\", \"merge and push\", or \"get it deployed\".\nProactively invoke this skill (do NOT push/PR directly) when the user says code\nis ready, asks about deploying, wants to push code up, or asks to create a PR. (gstack)\n\n- signoff: Graceful live agent shutdown with final context summary. Use when the user\nsays \"sign off\", \"graceful stop\", or wants to cleanly end a live session.\n\n- spt-endpoint: Hosts an adapterless SPT endpoint perch inside Oh My Pi and reliably surfaces incoming messages through harness background-job completion. Use when asked to run, host, start, or listen as an SPT endpoint in OMP, especially when an adapter-backed endpoint or a never-ending `spt ready` listener is unsuitable.\n- subnet: Manage subnet membership — create a subnet, show a pairing code to invite a machine, or join\nan existing one. Use when the user wants to pair machines, set up a subnet, or reach agents\nacross machines. Cross-machine /sptc:send and live agents depend on it.\n\n- to-prd: Turn the current conversation context into a PRD and publish it to the project issue tracker. Use when user wants to create a PRD from the current context.\n- trace: Find old conversations in Claude Code session history. Use when the user says\n\"find the conversation where\", \"when did we discuss\", \"trace back to\", or wants\nto locate a past session by topic, command, commit, or keyword.\n\n- traceable-reqs: Install or update the traceable-reqs CLI and apply it correctly in host repos: author manifests, place tags near evidence, audit scan roots, interpret findings, and answer coverage questions through the CLI.\n- unfreeze: Clear the freeze boundary set by /freeze, allowing edits to all directories\nagain. Use when you want to widen edit scope without ending the session.\nUse when asked to \"unfreeze\", \"unlock edits\", \"remove freeze\", or\n\"allow all edits\". (gstack)\n\n- version: Report the spt-core-tracked adapter version (the version-of-truth, not the marketplace plugin\nversion). Use when the user asks the spt or adapter version, or runs /sptc:version.\n\n- whoami: Check which owl agent belongs to the current session. Use when the user asks\n\"which agent am I?\", \"what's my owl name?\", or when you need to discover your\nown perch identity.\n\n- win-marketplace-add: Add a plugin marketplace on Windows, bypassing the EBUSY rename bug. Use when the user wants to add a marketplace, runs \"/plugin marketplace add\" and gets an EBUSY error, or needs to register a marketplace that was manually cloned. Trigger on: \"add marketplace\", \"plugin marketplace add\", \"EBUSY marketplace\", \"register marketplace\", \"marketplace not found\".\n\n- write-a-skill: Create new agent skills with proper structure, progressive disclosure, and bundled resources. Use when user wants to create, write, or build a new skill.\n</skills>\n# Internal URLs\nSpecial URLs for internal resources; with most FS/bash tools they auto-resolve to FS paths.\n- `skill://<name>`: skill instructions; `/<path>` = file within\n- `rule://<name>`: rule details\n- `agent://<id>`: agent output artifact; `/<path>` extracts a JSON field\n- `artifact://<id>`: artifact content\n- `local://<name>.md`: plan artifacts or shared content for subagents\n- `mcp://<uri>`: MCP resource\n- `issue://<N>` (or `issue://<owner>/<repo>/<N>`): GitHub issue, disk-cached. Bare lists recent issues; `?state=open|closed|all&limit=&author=&label=`.\n- `pr://<N>` (or `pr://<owner>/<repo>/<N>`): GitHub PR, same cache; `?comments=0` drops comments. Bare lists recent PRs; `?state=open|closed|merged|all&limit=&author=&label=`.\n- `omp://`: harness docs; AVOID unless the user asks about the harness itself.\n\n# Tool Inventory\n- Read: `read`\n- Bash: `bash`\n- Edit: `edit`\n- AST Grep: `ast_grep`\n- AST Edit: `ast_edit`\n- Debug: `debug`\n- Eval: `eval`\n- Glob: `glob`\n- Grep: `grep`\n- Browser: `browser`\n- Task: `task`\n- Job: `job`\n- IRC: `irc`\n- Web Search: `web_search`\n- Write: `write`\n- Submit Result: `yield`\n- Resolve: `resolve`\n- Report Tool Issue: `report_tool_issue`\n- GenerateImage: `generate_image`\n- SearchTools: `search_tool_bm25`\n<discovery-notice>\n\nIf the task may involve external systems (SaaS APIs, chat, tickets, databases, deployments, or other non-local integrations), you SHOULD call `search_tool_bm25` before concluding no such tool exists.\n</discovery-notice>\n\nTOOL POLICY\n==============\n\n# General\nUse tools whenever they improve correctness, completeness, or grounding.\n- You MUST complete the task using available tools.\n- SHOULD resolve prerequisites before acting.\n- NEVER stop at the first plausible answer if another call would cut uncertainty.\n- Empty, partial, or suspiciously narrow lookup? Retry with a different strategy.\n- SHOULD parallelize independent calls.\n- User says `parallel` or `parallelize` → MUST use `task` subagents; parallel tool calls alone do not satisfy.\n\n# Tool I/O\n- Prefer relative paths for `path`-like fields.\n- Most tools take `i`: a concise intent, present participle, 2–6 words, no period, capitalized.\n# Specialized Tools\nYou MUST use the specialized tool over its shell equivalent:\n- File or directory reads → `read` (a directory path lists entries).\n- Surgical edits → `edit`.\n- Create or overwrite → `write`.\n\n- Regex search → `grep`, not `grep`, `rg`, or `awk`.\n- Globbing → `glob`, not `ls **/*.ext` or `fd`.\n- `bash`: real binaries and short fact pipelines only. Commands shadowing the specialized tools above are blocked.\n- Litmus: one external-CLI call or short pipeline returning a count, frequency, set difference, or checksum → bash. Merely moves, pages, or trims bytes a tool can fetch → use the tool.\n\n<critical>\n`report_tool_issue` powers automated QA. If ANY tool returns output inconsistent with its described behavior given your parameters, call it with the tool name and a concise description. Don't hesitate—false positives are fine.\n</critical>\n\n# Exploration\nYou NEVER open a file hoping. Hope is not a strategy.\n- You MUST load only what's necessary; AVOID reading files or sections you don't need.\n- Use `grep` to locate targets.\n- Use `glob` to map structure.\n- Use `read` with offset/limit instead of whole-file reads.\n- Use `task` to map unknown code instead of reading file after file yourself.\n# AST\nYou SHOULD use syntax-aware tools before text hacks:\n- `ast_grep` for structural discovery.\n- `ast_edit` for codemods.\n- Use `grep` only for plain-text lookup when structure is irrelevant.\n\n# Delegation\n\nEXECUTION WORKFLOW\n==============\n\n# 1. Scope\n- Read relevant skills first.\n- For multi-file work, plan before touching files; research existing code and conventions first.\n\n# 2. Research Before Editing\n- Read sections, not snippets. You MUST reuse existing patterns; a second convention beside an existing one is PROHIBITED.\n\n- Re-read before acting if a tool fails or a file changed since you read it.\n\n# 3. Decompose\n- Update todos as you go; skip them for trivial requests. Marking a todo done is a transition: start the next in the same turn.\n- NEVER abandon phases under scope pressure—delegate, don't shrink.\n  - Default to parallel for complex changes. Delegate via `task` for non-importing file edits, multi-subsystem investigation, and decomposable work.\n- Plan only what makes the request work. Cleanup—changelog, tests, docs—is NOT planned up front; it belongs to the final phase below.\n\n# 4. Implement\n- Fix problems at the source. Remove obsolete code—no leftover comments, aliases, or re-exports.\n- Prefer updating existing files over creating new ones.\n- Review changes from the user's perspective.\n- Grep instead of guessing.\n- Don't run destructive git commands or delete code you didn't write.\n\n# 5. Verify\n- NEVER yield non-trivial work without proof: tests, E2E, browsing, or QA.\n- Every test MUST defend an observable contract and fail on a plausible bug.\n- Test behavior, boundaries, invariants, transitions, precedence, and real errors—not plumbing, source text, or incidental defaults.\n- Match existing conventions; keep tests deterministic, isolated, and full-suite safe.\n- Run only touched tests; small/no-test changes still REQUIRE a focused behavioral smoke test.\n\n# 6. Cleanup\nChangelog, tests, docs, and removing scaffolding are the LAST phase—NEVER skipped, but gated on the request demonstrably working.\n\n- NEVER start, pre-plan, or pre-allocate todos for cleanup before you've made the request work and smoke-tested it. Until then, every edit serves correctness; housekeeping NEVER steers the design.\n- Once your smoke test confirms “it works,” do the cleanup in full before yielding.\n\nDELIVERY CONTRACT\n==============\n\n<contract>\nInviolable.\n- NEVER yield unless the deliverable is complete. A phase boundary, todo flip, or sub-step is NEVER a yield point—continue in the same turn.\n- NEVER fabricate outputs. Claims about code, tools, tests, docs, or sources MUST be grounded.\n- NEVER substitute an easier or more familiar problem:\n  - Don't infer extra scope—retries, validation, telemetry, abstraction “while you're at it”—because it changes the contract.\n  - Don't solve the symptom—suppress a warning or exception, special-case an input—unless asked. Do the real ask.\n- NEVER ask for what tools, repo context, or files can provide.\n- NEVER punt half-solved work back.\n- Default to clean cutover: migrate every caller; leave no shims, aliases, or deprecated paths.\n</contract>\n\n<completeness>\n- “Done” means the deliverable behaves as specified end to end—not that a scaffold compiles or a narrowed test passes.\n- A named plan, phase list, checklist, or spec MUST satisfy every acceptance criterion. A plausible subset is failure, not partial success.\n- NEVER silently shrink scope. Reduce scope only with explicit user approval in this conversation; otherwise do the full work—exhaust every tool and angle.\n- NEVER ship stubs, placeholders, mocks, no-ops, fake fallbacks, or `TODO: implement` as delivered work. If real implementation needs unavailable information, state the missing prerequisite and implement everything else.\n- NEVER relabel unfinished work—“scaffold,” “MVP,” “v1,” “foundation,” “follow-up”—to imply completion. Not done? Say so.\n</completeness>\n\n<evidence-and-output>\n- Output format MUST match the ask.\n- Every claim about code, tools, tests, docs, or sources MUST be grounded.\n- Mark any claim not directly observed or established as `[INFERENCE]`.\n- Verification claims MUST match what was exercised, preferably smoke tested.\n- No required tool lookup may be skipped when it would cut uncertainty.\n- Be brief in prose, not in evidence, verification, or blocking details.\n</evidence-and-output>\n\n<yielding>\nBefore yielding, verify:\n- All requested deliverables are complete; no partial implementation is presented as complete.\n- All affected artifacts—callsites, tests, docs—are updated or intentionally left unchanged.\n- The output and evidence requirements above are satisfied.\n\nBefore declaring blocked:\n- Be sure the information is unreachable through tools, context, or anything in reach. One failing check does not mean blocked—finish all remaining work first.\n- Still stuck? State exactly what's missing and what you tried.\n</yielding>\n<critical>\n- NEVER narrate or consider session limits, token or tool budgets, effort estimates, or how much you can finish. Not your concern—start as if unbounded; execute or delegate.\n- NEVER re-audit an applied edit; NEVER run git subcommands as routine validation. Tool results are THE verification.\n</critical>\n\nROLE\n===================================\n\nYou are a worker agent for delegated tasks.\n\nYou have FULL access to all tools (edit, write, bash, grep, read, etc.) and you MUST use them as needed to complete your task.\n\nYou MUST maintain hyperfocus on the assigned task. NEVER deviate from it.\n\n<directives>\n- You MUST finish only the assigned work and return the minimum useful result. Do not repeat what you have written to the filesystem.\n- You SHOULD make file edits, run commands, and create files when your task requires it.\n- You MUST be concise. You NEVER include filler, repetition, or tool transcripts. The user cannot see you. Your result is just the notes you are leaving for yourself.\n- You SHOULD prefer narrow lookups (`grep`/`glob`), then read only the needed ranges. Ignore anything beyond your current scope.\n- AVOID full-file reads unless necessary.\n- You SHOULD prefer edits to existing files over creating new ones.\n- You NEVER create documentation files (*.md) unless explicitly requested.\n- You MUST follow the assignment and the instructions given to you. They were given for a reason.\n- When you delegate further with the `task` tool, give each spawn a `role` naming the sub-specialist it should be — never spawn bare generic workers when a tailored identity fits the subtask.\n</directives>\n\nYou are specializing as: **Rust Concurrency Instrumenter**. Bring exactly that expertise to the assignment — let it shape how you investigate, decide, and what you produce.\n\nCONTEXT\n===================================\n\n# Goal\nAdd observation-only, environment-gated RCA breadcrumbs for the UPDATE-WEDGE recurrence.\n# Constraints\nUse `SPT_RCA_PTY_TRACE=1` as the sole gate. Never log payload/user bytes. Do not alter deadlines, locking, queue behavior, ownership, or error handling. Match existing eprintln marker style. Skip formatters, linters, and tests; Main will run focused verification.\n# Contract\nMarkers must expose monotonic elapsed durations and stable correlation IDs sufficient to distinguish PTY probe enqueue/write, shared-send mutex wait/write, and bounded psyche child lifetime.\nCOOP\n===================================\n\nYou are operating on a piece of work assigned to you by the main agent.\n# IRC Peers\nYou can reach other live agents via the `irc` tool. Your id is `BrokerBreadcrumbs`. Currently visible peers:\n- `Main` — main (main, running)\n- `SubscriberTrace` — Broker Concurrency Investigator (sub, parked)\n- `UpdatePumpTrace` — Update Runtime Investigator (sub, parked)\n- `PtyCausality` — PTY Runtime Investigator (sub, idle)\n- `PsycheBreadcrumbs` — Rust Runtime Instrumenter (sub, running)\nIdle/parked peers are not gone: messaging them wakes (or revives) them.\n\nUse `irc` only for quick coordination, never long-form content. Address peers by id or use `\"all\"` to broadcast.\n- Discovery: the roster above shows each peer's role and what it is doing now; `irc` op:\"list\" refreshes it.\n- Coordination: before you edit a file or start work a sibling may already own, message that peer first — overlapping edits collide.\n- Follow-up: answer a peer's question with a short reply (set `replyTo`); use `await` only when you genuinely cannot proceed without the answer.\n\nCOMPLETION\n===================================\n\nNo TODO tracking, no progress updates. Execute; report results with `yield`.\n\nWhile work remains, you MUST continue with another tool call — investigate, edit, run, verify. Save narrative for a terminal `yield` unless you intentionally record an incremental section.\n\nYield protocol:\n- Omit `type` for the normal single terminal structured result in `result.data`.\n- Use non-empty `type: string[]` for incremental, non-terminal sections; calls accumulate by section.\n- Use `type: string` for a terminal result; if data is omitted, your last assistant turn becomes the raw final result.\n\nThis is your only way to return a final result. For structured results, you NEVER put JSON in plain text or substitute a text summary for `result.data`.\nGiving up is a last resort. If truly blocked, you MUST terminal-yield `result.error` describing what you tried and the exact blocker.\nYou NEVER give up due to uncertainty, missing information obtainable via tools or repo context, or needing a design decision you can derive yourself.\n\nYou MUST keep going until this ticket is closed. This matters.\n\nPROJECT\n===================================\n\n<workstation>\n- OS: win32 10.0.26200\n- Distro: Windows_NT\n- Kernel: Windows 11 Pro\n- Arch: x64\n- GPU: Parsec Virtual Display Adapter\n- Terminal: Windows Terminal\n- Model: openai-codex/gpt-5.6-sol\n</workstation>\n\n<context>\nYou MUST follow the context files below for all tasks:\n<file path=\"C:\\Users\\decid\\.claude\\CLAUDE.md\">\n## Reference Documents\n\nThe `~/.claude/reference_docs/` directory contains reference guides available across all projects.\n\n- **[claude-code-hooks.md](reference_docs/claude-code-hooks.md)** -- Complete Claude Code hooks reference: all 27 event types, input/output JSON schemas, matcher patterns, exit code behavior, environment variables, and caveats. Consult this when building or debugging hooks.\n</file>\n</context>\nThe context files above are loaded automatically. You NEVER `grep`/`glob` for `AGENTS.md`, `CLAUDE.md`, `.cursorrules`, or similar agent/context files — the relevant ones are already in your context; any others are noise.\nToday is 2026-07-09, and the current working directory is 'C:/Users/decid/Documents/projects'.\n\n<critical>\n- Each response MUST advance the task. There is no stopping condition other than completion.\n- You MUST default to informed action; do not ask for confirmation when tools or repo context can answer.\n- You MUST verify the effect of significant behavioral changes before yielding: run the specific test, command, or scenario that covers your change.\n</critical>","task":"Complete the assignment below, thoroughly:\n\n# Target\ncrates/spt-daemon/src/broker.rs only. Symbols: handle_conn, ControllerSink/controller_writer creation and writer, InputWriter/input_writer, settle_before_inject. Non-goal: changing runtime behavior or other files.\n# Change\nAdd an env-gated helper for SPT_RCA_PTY_TRACE. Mint a process-local monotonically increasing connection ID in handle_conn and propagate it to controller writer state/calls. Add payload-free CTRL_WRITE_WAIT, CTRL_WRITE_LOCKED, CTRL_WRITE_DONE markers with conn_id, sid, epoch, seq/control label, bytes length, and elapsed wait/write/result. Add monotonic probe tickets for the exact DSR settle probe; log PROBE_ENQUEUE accepted/dropped, PROBE_WRITE_START, PROBE_WRITE_DONE. Extend gated settle timeout evidence with endpoint, baseline/current high-water and last probe ticket/accepted status. Preserve all production behavior when gate absent.\n# Acceptance\nOnly broker.rs changes. Code compiles conceptually, no payload logged, no new blocking/synchronization on ungated path beyond cheap gate checks/atomics. Report exact markers and any signature propagation.","tools":["read","bash","edit","ast_grep","ast_edit","debug","eval","glob","grep","browser","task","job","irc","web_search","write","yield","resolve","report_tool_issue","generate_image","search_tool_bm25"],"spawns":"*"}
{"type":"message","id":"b6946f27","parentId":"10901e52","timestamp":"2026-07-10T04:24:20.521Z","message":{"role":"user","content":[{"type":"text","text":"Complete the assignment below, thoroughly:\n\n# Target\ncrates/spt-daemon/src/broker.rs only. Symbols: handle_conn, ControllerSink/controller_writer creation and writer, InputWriter/input_writer, settle_before_inject. Non-goal: changing runtime behavior or other files.\n# Change\nAdd an env-gated helper for SPT_RCA_PTY_TRACE. Mint a process-local monotonically increasing connection ID in handle_conn and propagate it to controller writer state/calls. Add payload-free CTRL_WRITE_WAIT, CTRL_WRITE_LOCKED, CTRL_WRITE_DONE markers with conn_id, sid, epoch, seq/control label, bytes length, and elapsed wait/write/result. Add monotonic probe tickets for the exact DSR settle probe; log PROBE_ENQUEUE accepted/dropped, PROBE_WRITE_START, PROBE_WRITE_DONE. Extend gated settle timeout evidence with endpoint, baseline/current high-water and last probe ticket/accepted status. Preserve all production behavior when gate absent.\n# Acceptance\nOnly broker.rs changes. Code compiles conceptually, no payload logged, no new blocking/synchronization on ungated path beyond cheap gate checks/atomics. Report exact markers and any signature propagation."}],"attribution":"agent","timestamp":1783657460516}}
{"type":"message","id":"79364c12","parentId":"b6946f27","timestamp":"2026-07-10T04:24:26.845Z","message":{"role":"assistant","content":[{"type":"thinking","thinking":"**Planning broker.rs modification and peer coordination**\n\n<!-- -->"},{"type":"toolCall","id":"call_o1dqAOTs24pjnTS0rDdw5R19|fc_0ec86a6c795d74b7016a5073f9eee48195a60a187908059f0e","name":"irc","arguments":{"i":"Checking broker ownership","op":"send","to":"all","message":"I own broker.rs instrumentation now. Please tell me immediately if you edited or are editing that file.","replyTo":null,"await":false,"from":null,"timeoutMs":null,"peek":null}}],"api":"openai-codex-responses","provider":"openai-codex","model":"gpt-5.6-sol","usage":{"input":27002,"output":119,"cacheRead":0,"cacheWrite":0,"totalTokens":27121,"reasoningTokens":45,"cost":{"input":0.13501000000000002,"output":0.0035700000000000003,"cacheRead":0,"cacheWrite":0,"total":0.13858}},"stopReason":"toolUse","timestamp":1783657460522,"responseId":"resp_0ec86a6c795d74b7016a5073f52c608195977fba3fdcb71d07","providerPayload":{"type":"openaiResponsesHistory","provider":"openai-codex","dt":true,"items":[{"id":"rs_0ec86a6c795d74b7016a5073f89d4c81958039cc516f25c855","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUHP52GYZiKUrpH0NOmZrM4AVZ38jYziARO5BD0aPvZikySjihmVSp1X7Qcrwmmo9ExX6ZF-wKVeSuA-Q_s1XjbBPIpts5z5UD8QbLSzUdWAkc8W9EUjHiJ4Ylw1Jpd1dl_UVmwFwt3fvTH8g6RaOE_EBfqbxdSo0THpmac7hbulouovcfeZt1S4DiQ0rUy1LOtV7HWoMmvPPXuOkc_Afn_NxRbVqt_zPYH9u4Ef0X_uUhfjduN4XJ4ei52nLxJNZ7jw6yJuuB7Bn_Dxu0MJp4mg8DPMMQF1lyBC4bSQviXUm5FNP_jzJj0p7uctSBLs9mzLZc6TA_bj5bQXrlMAErgoWhJrbqFBmNVOWaZE-o10hAb5XYzHPR5SaifSTjzoRxSQ8oxHwvpxxLre9m7iUweyI2Mjtlu5cY_U_jvQsYeVQrPAVayICT1xdb4DpJj2IB-G5NLLeGeyID5cNVCVma5HC7u5kQ8187uwAAxVpG1Lv9QhTQdEccHT7TbLwyxS_yrkQNAkf7vRpl_yO08lD5iOrjbjC4DLhHdh3GxZd9dWMz-Yd_h2CvlUX56cwERybF7FK7srBx9oBw8-U146mFjJosqoxSVKreSeT6V19V__YlvVHK6bhT3-2opcz78BTynamatmavY_VvUPvi9KzNVaGhgtfg52iGZ21Ktbi-YesHIVRILQyMzIH0PbHa95oJf5rt5rSo2MeA5ksPzvzvnV2MXBH8OJijdjCZHoYqdtITpEH7IA3h_V4CHcJ18XXY3ihZ-4eypQGoETvKMdfn7-kdqOEmPTJR85LAcvkrvVlKtriBT20a6E43dyIR_noPrVBouVslHiXNP7MxFFlQojkDkAGywlJBxodnLtre6TIR6CLx2Uazr7t6Iv6V75rkVKIZS8-9v6-3ZhpWaNd4slVvSL5Ig6-7g8Kf-Mg3Rk9t4lIJs6wL2R9q4vXLffpRR5XNd8lrMHF0HPnm6MPvYeBKVMviNJ8JnwWSHpgtwWOsgjYk7ItIU3Vp5FEZh3Her5i2eu5_qeuV0mfrKcGB-vDtdBZRui8UEU704mLzfy2zYTl1WpolXHKUcdHHF8EOOb_62ehjiyF6nL5msmKMX-5R2YZrNGknpvxXwm6sDVZvrwz2xjeFWFCedMcKmmKkOb3qVv_Rxv-L03yR_9xAtanfns_1HO58z3zpnl_tAf4X7t2KrtQn15K5CfgMs0_Tarp","summary":[{"type":"summary_text","text":"**Planning broker.rs modification and peer coordination**\n\n<!-- -->"}]},{"id":"fc_0ec86a6c795d74b7016a5073f9eee48195a60a187908059f0e","type":"function_call","status":"completed","arguments":"{\"i\":\"Checking broker ownership\",\"op\":\"send\",\"to\":\"all\",\"message\":\"I own broker.rs instrumentation now. Please tell me immediately if you edited or are editing that file.\",\"replyTo\":null,\"await\":false,\"from\":null,\"timeoutMs\":null,\"peek\":null}","call_id":"call_o1dqAOTs24pjnTS0rDdw5R19","name":"irc"}]},"duration":6321.269700000063,"ttft":4073.8115000003017,"contextSnapshot":{"promptTokens":27002,"nonMessageTokens":26406}}}
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{"type":"message","id":"20b26973","parentId":"7d92be42","timestamp":"2026-07-10T04:24:26.846Z","message":{"role":"toolResult","toolCallId":"call_o1dqAOTs24pjnTS0rDdw5R19|fc_0ec86a6c795d74b7016a5073f9eee48195a60a187908059f0e","toolName":"irc","content":[{"type":"text","text":"Delivered to 3 peer(s):\n- Main: injected\n- PtyCausality: woken\n- PsycheBreadcrumbs: injected"}],"details":{"op":"send","from":"BrokerBreadcrumbs","to":"all","receipts":[{"to":"Main","outcome":"injected"},{"to":"PtyCausality","outcome":"woken"},{"to":"PsycheBreadcrumbs","outcome":"injected"}]},"isError":false,"timestamp":1783657466846}}
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{"type":"message","id":"15d6333a","parentId":"6f172848","timestamp":"2026-07-10T04:24:28.888Z","message":{"role":"toolResult","toolCallId":"call_zCLGYWneMU6A1BUuqUKxdqHZ|fc_0ec86a6c795d74b7016a5073fc99e481958af45cf5d9e09ff4","toolName":"read","content":[{"type":"text","text":".\n  - omp-session-2026-07-10T03-01-56-007Z_019f49f9-80a7-7000-bd8e-b81adefbbc12.html  4.8MB     38m ago\n  - oh-my-pi/                                                                                 54m ago\n    - bun.lock                                                                      144.9KB   59m ago\n    - types/                                                                                  1h ago\n    - tsconfig.json                                                                 124B      1h ago\n    - tsconfig.tools.json                                                           276B      1h ago\n    - scripts/                                                                                1h ago\n    - tsconfig.base.json                                                            488B      1h ago\n    - rustfmt.toml                                                                  1.5KB     1h ago\n    - rust-toolchain.toml                                                           160B      1h ago\n    - rust-analyzer.toml                                                            118B      1h ago\n    - python/                                                                                 1h ago\n    - patches/                                                                                1h ago\n    - … 22 more\n    - .gitattributes                                                                1.0KB     1h ago\n  - omp-spt/                                                                                  1h ago\n    - docs/                                                                                   1h ago\n    - traceable-reqs.toml                                                           127.0KB   1h ago\n    - tools/                                                                                  1h ago\n    - tests/                                                                                  1h ago\n    - plugin/                                                                                 1h ago\n    - docs-site/                                                                              1h ago\n    - ci/                                                                                     1h ago\n    - adapter/                                                                                1h ago\n    - UNIFY-CONSOLIDATE-PLAN.md                                                     11.6KB    1h ago\n    - UPDATE-NAMING-DOYLE-ASKS.md                                                   13.2KB    1h ago\n    - V09-PLAN.md                                                                   6.1KB     1h ago\n    - … 31 more\n    - AGENTS.md                                                                     4.4KB     1h ago\n  - spt-core/                                                                                 15h ago\n    - .claude/                                                                                28m ago\n    - docs/                                                                                   29m ago\n    - .worktrees/                                                                             1h ago\n    - traceable-reqs.toml                                                           679.3KB   15h ago\n    - CONTEXT.md                                                                    187.4KB   23h ago\n    - specs/                                                                                  23h ago\n    - Cargo.lock                                                                    136.6KB   1d ago\n    - Cargo.toml                                                                    1.5KB     1d ago\n    - CHANGELOG.md                                                                  91.1KB    1d ago\n    - docs-site/                                                                              1d ago\n    - .config/                                                                                3d ago\n    - … 122 more\n    - src/                                                                                    1mo ago\n  - spt-claude-code/                                                                          16h ago\n    - .claude/                                                                                13h ago\n    - CHANGELOG.md                                                                  52.5KB    16h ago\n    - adapter/                                                                                16h ago\n    - docs/                                                                                   17h ago\n    - traceable-reqs.toml                                                           133.0KB   21h ago\n    - tests/                                                                                  21h ago\n    - NEXT-WORKLOAD-PLAN.md                                                         12.7KB    1d ago\n    - CONTEXT.md                                                                    7.7KB     1d ago\n    - TRUNCATION-PROBE-PLAN.md                                                      6.6KB     2d ago\n    - ECHO-COMMUNE-PLAN.md                                                          3.1KB     2d ago\n    - PSYCHE-EPHEMERAL-PLAN.md                                                      13.1KB    5d ago\n    - … 32 more\n    - HANDOFF.md                                                                    8.5KB     3w ago\n  - traceable-reqs/                                                                           22h ago\n    - rust/                                                                                   22h ago\n    - SPEC.md                                                                       27.0KB    22h ago\n    - README.md                                                                     4.4KB     23h ago\n    - 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{"type":"message","id":"fc219044","parentId":"ac45ceb0","timestamp":"2026-07-10T04:24:32.055Z","message":{"role":"toolResult","toolCallId":"call_jHzKSgupZZOoBDypSP2Q8pKu|fc_0ec86a6c795d74b7016a5073fefa6c819596df94cb9482e8ec","toolName":"grep","content":[{"type":"text","text":"[spt-core/crates/spt-daemon/src/broker.rs#1F25]\n 487:/// on a single full `try_send` — only after [`CONTROLLER_WRITE_DEADLINE`].\n*488:struct ControllerSink {\n 489:    /// The bounded live-frame queue to the controller's writer thread.\n 490:    tx: SyncSender<CtrlMsg>,\n 491:    /// The controller's IPC send half — kept for identity matching on detach and\n...\n 505:    /// The writer's IN-FLIGHT socket-write marker (LIFECYCLE-TRUTH W2,\n*506:    /// REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE): the `controller_writer` sets it to\n 507:    /// `Some(Instant::now())` immediately BEFORE it enters a blocking `write_frame`\n 508:    /// and back to `None` the instant the write returns. A reader\n 509:    /// ([`OutputLog::controller_stalled`]) sees a `Some` older than\n...\n 544:    controller: Option<ControllerSink>,\n*545:    /// Monotonic controller generation, shared with the live `controller_writer`\n 546:    /// thread (`Arc<AtomicU64>`). Bumped on every [`become_controller`]; the\n 547:    /// drain's deadline-evict ([`mark_controller_gone`]) carries the epoch it\n 548:    /// observed and only detaches if it still matches — so a slow-controller\n...\n 715:    /// b4 (REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE): W1 moved the\n*716:    /// controller SOCKET WRITE off the drain (the `controller_writer` thread) but\n 717:    /// left the HANDOFF as an inline sleep-poll (`ControllerJob::deliver`, up to\n 718:    /// `CONTROLLER_WRITE_DEADLINE`) ON the drain — so a controller draining slower\n 719:    /// than the PTY floods filled its channel, the inline poll throttled the drain,\n...\n 917:        let writer = thread::spawn(move || {\n*918:            controller_writer(sid, writer_send, initial, rx, dt, epoch, epoch_gate, writer_blocked)\n 919:        });\n 920:        self.controller = Some(ControllerSink {\n 921:            tx,\n...\n 961:    /// no output, conn not yet EOF'd) stays `is_finished() == false` and converges\n*962:    /// only once output resumes or the conn EOFs (→ `handle_conn` detach) — that\n 963:    /// harder active-probe case is the reserved [`REQ-HAZARD-DRIVEN-BY-IDLE-REMOTE-EVICT`],\n 964:    /// deliberately NOT built here. KH 7.15 held by construction: only ever CLEARS,\n 965:    /// never latches `driven_by`.\n...\n 1416:#[allow(clippy::too_many_arguments)] // per-writer thread-handoff channels (W2 added the blocked-since signal); a struct would obscure the call\n*1417:fn controller_writer(\n 1418:    sid: u64,\n 1419:    send: SharedSend,\n 1420:    initial: Vec<(u64, Vec<u8>)>,\n...\n 1604:/// the OUTPUT-side [`ViewerSink`]/[`ControllerSink`] writer-thread pattern.\n*1605:struct InputWriter {\n 1606:    /// The bounded input FIFO to the writer thread. `try_send` only — a full\n 1607:    /// queue (a genuinely wedged harness) DROPS, it never blocks.\n 1608:    tx: SyncSender<InputRecord>,\n...\n 1625:        let (tx, rx) = sync_channel::<InputRecord>(input_queue_depth());\n*1626:        let writer = thread::spawn(move || input_writer(session, rx));\n 1627:        Arc::new(InputWriter {\n 1628:            tx,\n 1629:            backpressure: AtomicBool::new(false),\n...\n 1679:/// when the last `tx` clone drops at session teardown.\n*1680:fn input_writer(session: Arc<PtySession>, rx: Receiver<InputRecord>) {\n 1681:    while let Ok(bytes) = rx.recv() {\n 1682:        let _ = session.write_input(&bytes);\n 1683:    }\n...\n 1918:// [impl->REQ-INJECT-MULTILINE-INTEGRITY]\n*1919:fn settle_before_inject(input: &InputWriter, log: &Mutex<OutputLog>, endpoint: &str) -> bool {\n 1920:    let baseline = recover_log(log).high_water();\n 1921:    let deadline = Instant::now() + inject_settle_deadline();\n 1922:    loop {\n...\n 2176:            if should_settle(attempt, probe_unobservable) {\n*2177:                let observed = settle_before_inject(&input, &log, &endpoint);\n 2178:                if attempt == 1 {\n 2179:                    probe_unobservable = !observed;\n 2180:                }\n...\n 2618:            thread::spawn(move || {\n*2619:                let _ = me.handle_conn(conn);\n 2620:            });\n 2621:        }\n 2622:    }\n...\n 2641:        Ok(thread::spawn(move || {\n*2642:            let _ = me.handle_conn(conn);\n 2643:        }))\n 2644:    }\n 2645:\n...\n 2749:    /// restart must not disturb the hosted children).\n*2750:    fn handle_conn(self: &Arc<Self>, conn: Stream) -> io::Result<()> {\n 2751:        let (mut recv, send) = conn.split();\n 2752:        let send: SharedSend = Arc::new(Mutex::new(send));\n 2753:\n...\n 4642:    /// atomic directly. The `_writer` handle is a trivial no-op thread: the REAL\n*4643:    /// drain (`input_writer`) is the trivial FIFO `recv` loop, separately covered by\n 4644:    /// the ORDER test; here the TEST is the consumer, draining `rx` deterministically.\n*4645:    fn test_input_writer(depth: usize) -> (InputWriter, Receiver<InputRecord>) {\n 4646:        let (tx, rx) = sync_channel::<InputRecord>(depth);\n 4647:        let w = InputWriter {\n 4648:            tx,\n...\n 4659:    /// recording the bytes it receives — EXACTLY mirroring the production\n*4660:    /// `input_writer` loop (`while let Ok(b) = rx.recv() { surface.write_input(&b) }`).\n 4661:    /// One FIFO + one writer ⇒ exact input order. Non-vacuous: a reorder/LIFO/dedup\n 4662:    /// mutation of the single-writer contract makes the recorded sequence diverge.\n 4663:    // [unit->REQ-HAZARD-PTY-INPUT-WRITER-WEDGE]\n 4664:    #[test]\n*4665:    fn input_writer_preserves_strict_fifo_order_through_the_sole_writer() {\n 4666:        use spt_term::surface::{SessionSurface, SurfaceError, SurfaceSize};\n 4667:\n 4668:        /// A stub PTY write seam: appends every `write_input` to a shared Vec, in\n...\n 4681:        // Generous depth so nothing drops — this test is about ORDER, not the bound.\n*4682:        let (w, rx) = test_input_writer(256);\n 4683:        let written = Arc::new(Mutex::new(Vec::<Vec<u8>>::new()));\n 4684:        let surface = RecordingSurface(Arc::clone(&written));\n 4685:\n...\n 4701:        // Close the FIFO so the drain loop terminates, then drain through the SOLE\n*4702:        // writer exactly as `input_writer` does.\n 4703:        drop(w);\n 4704:        while let Ok(bytes) = rx.recv() {\n 4705:            surface.write_input(&bytes).unwrap();\n...\n 4731:        // Consumer is the test; it does NOT drain until we say so → the queue fills.\n*4732:        let (w, rx) = test_input_writer(DEPTH);\n 4733:\n 4734:        // The first DEPTH enqueues fit (accepted, no backpressure yet).\n 4735:        for i in 0..DEPTH {\n...\n 5107:        let journal = EffectJournal::open(dir.path().join(\"effects.log\")).unwrap();\n*5108:        let (w, rx) = test_input_writer(16);\n 5109:        let key = EffectKey {\n 5110:            class: 1,\n 5111:            minter: Minter::Rc,\n...\n 5162:    //    `if controller_epoch.load(Acquire) != epoch { return; }` inside\n*5163:    //    `controller_writer`'s `send.lock()` arm → RED). ──────────────────────────\n 5164:\n 5165:    /// A connected local-socket pair for the unit: bind a listener, connect a\n 5166:    /// client `Stream`, accept the server `Stream`. Returns the SERVER send half\n...\n 5169:    /// the unused server RECV half (held so the server fd stays open while we\n*5170:    /// read). Mirrors `LocalSocketTransport`'s own round-trip test + `handle_conn`'s\n 5171:    /// `conn.split()`.\n 5172:    fn controller_socket_pair() -> (SharedSend, Stream, interprocess::local_socket::RecvHalf) {\n 5173:        use std::sync::atomic::AtomicU32;\n...\n 5230:    /// `if controller_epoch.load(Acquire) != epoch { return; }` inside\n*5231:    /// `controller_writer`'s `send.lock()` arm and writer-A flushes its stale\n 5232:    /// repaint@1; since both writers serialize on the SAME socket mutex, writer-A's\n 5233:    /// seq 1 can win the first slot → the first frame read is `1`, and\n 5234:    /// `assert_eq!(seqs, [2])` fails — exactly the `got stale seq` reorder this\n...\n 5238:    #[test]\n*5239:    fn superseded_controller_writer_is_epoch_gated_silent_one_live_writer_per_conn() {\n 5240:        let (send, mut client, _recv) = controller_socket_pair();\n 5241:        let mut log = OutputLog::new(1, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\n 5242:        // Two chunks in the ring (seqs 0,1); the grid now holds their screen state.\n...\n 5299:    /// cold controller and read the initial batch off a real socket (drain → grid →\n*5300:    /// `render_repaint` → `controller_writer` thread → wire). The initial batch must\n 5301:    /// be ONE synthesized clean current-screen repaint, NOT the raw ring replayed\n 5302:    /// chunk-by-chunk: it paints the alt viewport, switches the client into the alt\n 5303:    /// buffer, and does NOT carry the main-screen scrollback that preceded the"}],"details":{"scopePath":"spt-core/crates/spt-daemon/src/broker.rs","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs","cwd":"C:\\Users\\decid\\Documents\\projects","matchCount":28,"fileCount":1,"files":["spt-core/crates/spt-daemon/src/broker.rs"],"fileMatches":[{"path":"spt-core/crates/spt-daemon/src/broker.rs","count":28}],"truncated":false,"displayContent":"  487│/// on a single full `try_send` — only after [`CONTROLLER_WRITE_DEADLINE`].\n *488│struct ControllerSink {\n  489│    /// The bounded live-frame queue to the controller's writer thread.\n  490│    tx: SyncSender<CtrlMsg>,\n  491│    /// The controller's IPC send half — kept for identity matching on detach and\n     │...\n  505│    /// The writer's IN-FLIGHT socket-write marker (LIFECYCLE-TRUTH W2,\n *506│    /// REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE): the `controller_writer` sets it to\n  507│    /// `Some(Instant::now())` immediately BEFORE it enters a blocking `write_frame`\n  508│    /// and back to `None` the instant the write returns. A reader\n  509│    /// ([`OutputLog::controller_stalled`]) sees a `Some` older than\n     │...\n  544│    controller: Option<ControllerSink>,\n *545│    /// Monotonic controller generation, shared with the live `controller_writer`\n  546│    /// thread (`Arc<AtomicU64>`). Bumped on every [`become_controller`]; the\n  547│    /// drain's deadline-evict ([`mark_controller_gone`]) carries the epoch it\n  548│    /// observed and only detaches if it still matches — so a slow-controller\n     │...\n  715│    /// b4 (REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE): W1 moved the\n *716│    /// controller SOCKET WRITE off the drain (the `controller_writer` thread) but\n  717│    /// left the HANDOFF as an inline sleep-poll (`ControllerJob::deliver`, up to\n  718│    /// `CONTROLLER_WRITE_DEADLINE`) ON the drain — so a controller draining slower\n  719│    /// than the PTY floods filled its channel, the inline poll throttled the drain,\n     │...\n  917│        let writer = thread::spawn(move || {\n *918│            controller_writer(sid, writer_send, initial, rx, dt, epoch, epoch_gate, writer_blocked)\n  919│        });\n  920│        self.controller = Some(ControllerSink {\n  921│            tx,\n     │...\n  961│    /// no output, conn not yet EOF'd) stays `is_finished() == false` and converges\n *962│    /// only once output resumes or the conn EOFs (→ `handle_conn` detach) — that\n  963│    /// harder active-probe case is the reserved [`REQ-HAZARD-DRIVEN-BY-IDLE-REMOTE-EVICT`],\n  964│    /// deliberately NOT built here. KH 7.15 held by construction: only ever CLEARS,\n  965│    /// never latches `driven_by`.\n     │...\n 1416│#[allow(clippy::too_many_arguments)] // per-writer thread-handoff channels (W2 added the blocked-since signal); a struct would obscure the call\n*1417│fn controller_writer(\n 1418│    sid: u64,\n 1419│    send: SharedSend,\n 1420│    initial: Vec<(u64, Vec<u8>)>,\n     │...\n 1604│/// the OUTPUT-side [`ViewerSink`]/[`ControllerSink`] writer-thread pattern.\n*1605│struct InputWriter {\n 1606│    /// The bounded input FIFO to the writer thread. `try_send` only — a full\n 1607│    /// queue (a genuinely wedged harness) DROPS, it never blocks.\n 1608│    tx: SyncSender<InputRecord>,\n     │...\n 1625│        let (tx, rx) = sync_channel::<InputRecord>(input_queue_depth());\n*1626│        let writer = thread::spawn(move || input_writer(session, rx));\n 1627│        Arc::new(InputWriter {\n 1628│            tx,\n 1629│            backpressure: AtomicBool::new(false),\n     │...\n 1679│/// when the last `tx` clone drops at session teardown.\n*1680│fn input_writer(session: Arc<PtySession>, rx: Receiver<InputRecord>) {\n 1681│    while let Ok(bytes) = rx.recv() {\n 1682│        let _ = session.write_input(&bytes);\n 1683│    }\n     │...\n 1918│// [impl->REQ-INJECT-MULTILINE-INTEGRITY]\n*1919│fn settle_before_inject(input: &InputWriter, log: &Mutex<OutputLog>, endpoint: &str) -> bool {\n 1920│    let baseline = recover_log(log).high_water();\n 1921│    let deadline = Instant::now() + inject_settle_deadline();\n 1922│    loop {\n     │...\n 2176│            if should_settle(attempt, probe_unobservable) {\n*2177│                let observed = settle_before_inject(&input, &log, &endpoint);\n 2178│                if attempt == 1 {\n 2179│                    probe_unobservable = !observed;\n 2180│                }\n     │...\n 2618│            thread::spawn(move || {\n*2619│                let _ = me.handle_conn(conn);\n 2620│            });\n 2621│        }\n 2622│    }\n     │...\n 2641│        Ok(thread::spawn(move || {\n*2642│            let _ = me.handle_conn(conn);\n 2643│        }))\n 2644│    }\n 2645│\n     │...\n 2749│    /// restart must not disturb the hosted children).\n*2750│    fn handle_conn(self: &Arc<Self>, conn: Stream) -> io::Result<()> {\n 2751│        let (mut recv, send) = conn.split();\n 2752│        let send: SharedSend = Arc::new(Mutex::new(send));\n 2753│\n     │...\n 4642│    /// atomic directly. The `_writer` handle is a trivial no-op thread: the REAL\n*4643│    /// drain (`input_writer`) is the trivial FIFO `recv` loop, separately covered by\n 4644│    /// the ORDER test; here the TEST is the consumer, draining `rx` deterministically.\n*4645│    fn test_input_writer(depth: usize) -> (InputWriter, Receiver<InputRecord>) {\n 4646│        let (tx, rx) = sync_channel::<InputRecord>(depth);\n 4647│        let w = InputWriter {\n 4648│            tx,\n     │...\n 4659│    /// recording the bytes it receives — EXACTLY mirroring the production\n*4660│    /// `input_writer` loop (`while let Ok(b) = rx.recv() { surface.write_input(&b) }`).\n 4661│    /// One FIFO + one writer ⇒ exact input order. Non-vacuous: a reorder/LIFO/dedup\n 4662│    /// mutation of the single-writer contract makes the recorded sequence diverge.\n 4663│    // [unit->REQ-HAZARD-PTY-INPUT-WRITER-WEDGE]\n 4664│    #[test]\n*4665│    fn input_writer_preserves_strict_fifo_order_through_the_sole_writer() {\n 4666│        use spt_term::surface::{SessionSurface, SurfaceError, SurfaceSize};\n 4667│\n 4668│        /// A stub PTY write seam: appends every `write_input` to a shared Vec, in\n     │...\n 4681│        // Generous depth so nothing drops — this test is about ORDER, not the bound.\n*4682│        let (w, rx) = test_input_writer(256);\n 4683│        let written = Arc::new(Mutex::new(Vec::<Vec<u8>>::new()));\n 4684│        let surface = RecordingSurface(Arc::clone(&written));\n 4685│\n     │...\n 4701│        // Close the FIFO so the drain loop terminates, then drain through the SOLE\n*4702│        // writer exactly as `input_writer` does.\n 4703│        drop(w);\n 4704│        while let Ok(bytes) = rx.recv() {\n 4705│            surface.write_input(&bytes).unwrap();\n     │...\n 4731│        // Consumer is the test; it does NOT drain until we say so → the queue fills.\n*4732│        let (w, rx) = test_input_writer(DEPTH);\n 4733│\n 4734│        // The first DEPTH enqueues fit (accepted, no backpressure yet).\n 4735│        for i in 0..DEPTH {\n     │...\n 5107│        let journal = EffectJournal::open(dir.path().join(\"effects.log\")).unwrap();\n*5108│        let (w, rx) = test_input_writer(16);\n 5109│        let key = EffectKey {\n 5110│            class: 1,\n 5111│            minter: Minter::Rc,\n     │...\n 5162│    //    `if controller_epoch.load(Acquire) != epoch { return; }` inside\n*5163│    //    `controller_writer`'s `send.lock()` arm → RED). ──────────────────────────\n 5164│\n 5165│    /// A connected local-socket pair for the unit: bind a listener, connect a\n 5166│    /// client `Stream`, accept the server `Stream`. Returns the SERVER send half\n     │...\n 5169│    /// the unused server RECV half (held so the server fd stays open while we\n*5170│    /// read). Mirrors `LocalSocketTransport`'s own round-trip test + `handle_conn`'s\n 5171│    /// `conn.split()`.\n 5172│    fn controller_socket_pair() -> (SharedSend, Stream, interprocess::local_socket::RecvHalf) {\n 5173│        use std::sync::atomic::AtomicU32;\n     │...\n 5230│    /// `if controller_epoch.load(Acquire) != epoch { return; }` inside\n*5231│    /// `controller_writer`'s `send.lock()` arm and writer-A flushes its stale\n 5232│    /// repaint@1; since both writers serialize on the SAME socket mutex, writer-A's\n 5233│    /// seq 1 can win the first slot → the first frame read is `1`, and\n 5234│    /// `assert_eq!(seqs, [2])` fails — exactly the `got stale seq` reorder this\n     │...\n 5238│    #[test]\n*5239│    fn superseded_controller_writer_is_epoch_gated_silent_one_live_writer_per_conn() {\n 5240│        let (send, mut client, _recv) = controller_socket_pair();\n 5241│        let mut log = OutputLog::new(1, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\n 5242│        // Two chunks in the ring (seqs 0,1); the grid now holds their screen state.\n     │...\n 5299│    /// cold controller and read the initial batch off a real socket (drain → grid →\n*5300│    /// `render_repaint` → `controller_writer` thread → wire). The initial batch must\n 5301│    /// be ONE synthesized clean current-screen repaint, NOT the raw ring replayed\n 5302│    /// chunk-by-chunk: it paints the alt viewport, switches the client into the alt\n 5303│    /// buffer, and does NOT carry the main-screen scrollback that preceded the"},"isError":false,"timestamp":1783657472054}}
{"type":"message","id":"c300fc49","parentId":"fc219044","timestamp":"2026-07-10T04:24:32.055Z","message":{"role":"user","content":"Your current interruptible wait was interrupted because an IRC message arrived from your parent agent `Main`.\n\nParent IRC message:\n\nNo edits to broker.rs from Main. You have exclusive ownership for this task.","attribution":"agent","timestamp":1783657470895,"steering":true}}
{"type":"custom_message","customType":"irc:incoming","content":"<irc>\nIncoming IRC message from agent `PsycheBreadcrumbs`:\n\nI am editing only crates/spt-runtime/src/runtime.rs; no broker.rs access or changes.\n\nAn agent sent this while you were waiting or working. Any active interruptible wait was stopped early so you can read it now.\n\nIf a response is expected, reply with the `irc` tool (`op: \"send\"`, `to: \"PsycheBreadcrumbs\"`) — you may finish your current step first. Nobody replies on your behalf.\n</irc>","display":true,"details":{"id":"1529de9a01a998a2","from":"PsycheBreadcrumbs","message":"I am editing only crates/spt-runtime/src/runtime.rs; no broker.rs access or changes."},"attribution":"agent","id":"463536e3","parentId":"c300fc49","timestamp":"2026-07-10T04:24:32.055Z"}
{"type":"custom_message","customType":"irc:incoming","content":"<irc>\nIncoming IRC message from agent `PtyCausality`:\n\nI made no edits and am not editing broker.rs or any file. Investigation was read-only. Key breadcrumb recommendation: endpoint/ticket DSR ENQUEUE/WRITE_START/WRITE_DONE; settle timeout baseline/current high_water + controller blocked age; conn_id on controller write BEGIN/END to prove shared-SharedSend cascades.\n\nAn agent sent this while you were waiting or working. Any active interruptible wait was stopped early so you can read it now.\n\nIf a response is expected, reply with the `irc` tool (`op: \"send\"`, `to: \"PtyCausality\"`) — you may finish your current step first. Nobody replies on your behalf.\n</irc>","display":true,"details":{"id":"1529de9baaa998a4","from":"PtyCausality","message":"I made no edits and am not editing broker.rs or any file. Investigation was read-only. Key breadcrumb recommendation: endpoint/ticket DSR ENQUEUE/WRITE_START/WRITE_DONE; settle timeout baseline/current high_water + controller blocked age; conn_id on controller write BEGIN/END to prove shared-SharedSend cascades."},"attribution":"agent","id":"73c0a571","parentId":"463536e3","timestamp":"2026-07-10T04:24:32.055Z"}
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{"type":"message","id":"181498a8","parentId":"3ac4f48f","timestamp":"2026-07-10T04:24:40.313Z","message":{"role":"toolResult","toolCallId":"call_pn7AE5az8fISVexzRZKeGipb|fc_0ec86a6c795d74b7016a5074083e2c8195839bbca6eb46fda9","toolName":"grep","content":[{"type":"text","text":"[spt-core/crates/spt-daemon/src/broker.rs#1F25]\n 506:    /// REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE): the `controller_writer` sets it to\n*507:    /// `Some(Instant::now())` immediately BEFORE it enters a blocking `write_frame`\n 508:    /// and back to `None` the instant the write returns. A reader\n 509:    /// ([`OutputLog::controller_stalled`]) sees a `Some` older than\n 510:    /// [`BRAIN_WRITE_DEADLINE`] as a writer WEDGED on a suspended/black-holed brain\n...\n 757:        self.ring.clear();\n*758:        eprintln!(\n 759:            \"broker: session {} output ring was torn by a poison-recover \\\n 760:             (had {had} chunks, next_seq {}); reset to empty — scrollback self-heals \\\n 761:             on the next output [REQ-HAZARD-BROKER-FLOOR-LOCK-POISON]\",\n...\n 822:        // → EVICT. The drain off-lock turns `Some(epoch)` into `mark_controller_gone`.\n*823:        let now = Instant::now();\n 824:        let epoch = self.controller_epoch.load(Ordering::Acquire);\n 825:        let result = if let Some(c) = self.controller.as_mut() {\n 826:            match c.tx.try_send(CtrlMsg::Output(seq, frame)) {\n...\n 923:            by,\n*924:            last_ok: Instant::now(),\n 925:            write_blocked_since,\n 926:            _writer: writer,\n 927:        });\n...\n 983:        // the multi-session snapshot closure (no I/O under the shared sessions lock).\n*984:        self.stall_evict_controller(Instant::now(), StampMode::Deferred)\n 985:    }\n 986:\n 987:    /// Deadline-evict path (W1): the drain observed a fully-stalled controller and\n...\n 1043:        }\n*1044:        eprintln!(\n 1045:            \"BRAIN_SUBSCRIBER_STALL_EVICT:{} — controller writer blocked > {}ms on a \\\n 1046:             suspended/black-holed brain conn; detached, driven_by released \\\n 1047:             [REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE]\",\n...\n 1133:        // reads free and the normal free/take logic below runs.\n*1134:        self.stall_evict_controller(Instant::now(), StampMode::Inline);\n 1135:        if self.controller.is_none() {\n 1136:            // Free endpoint → become controller (nothing to displace).\n 1137:            self.become_controller(sub, by, from_seq);\n...\n 1433:        if let Ok(mut g) = write_blocked_since.lock() {\n*1434:            *g = if on { Some(Instant::now()) } else { None };\n 1435:        }\n 1436:    };\n 1437:    for (seq, bytes) in &initial {\n...\n 1714:/// dies, and EVERY subsequent attach silently deadlines (`spt rc` → \"brain IPC read\n*1715:/// deadline elapsed\", brain.rs) while non-locked ops keep working. The `into_inner`\n 1716:/// idiom (identical to [`lock_floor`] and the effect journal, bug #16) keeps the\n 1717:/// broker serving. Safe for the SHORT map ops it guards (`sessions` / `pair_holds`\n 1718:/// inserts+removes stay coherent on recovery — the same argument as the floor). The\n...\n 1848:        Err(e) => {\n*1849:            eprintln!(\n 1850:                \"TRANSLATION_SPAWN_FAILED:{argv:?}: {e} — no idle PTY delivery; inbound spools (declare/repair the binary)\"\n 1851:            );\n 1852:            None\n...\n 1920:    let baseline = recover_log(log).high_water();\n*1921:    let deadline = Instant::now() + inject_settle_deadline();\n 1922:    loop {\n 1923:        // Probe: a live reader answers DSR / re-renders → the ring advances.\n 1924:        input.enqueue(INJECT_SETTLE_PROBE.to_vec());\n...\n 1928:        }\n*1929:        if Instant::now() >= deadline {\n*1930:            eprintln!(\n 1931:                \"INJECT_SETTLE_TIMEOUT:{endpoint}: no PTY readiness echo within {}ms — proceeding (echo-verify guards head loss)\",\n 1932:                inject_settle_deadline().as_millis()\n 1933:            );\n...\n 1976:    }\n*1977:    let deadline = Instant::now() + inject_echo_verify_deadline();\n 1978:    loop {\n 1979:        let echoed = recover_log(log).bytes_since(seq_start);\n 1980:        if echo_verified(sent_text, &echoed) {\n...\n 1982:        }\n*1983:        if Instant::now() >= deadline {\n 1984:            // Unverifiable (nothing echoed at all) → fail safe, assume delivered. A\n 1985:            // NON-empty echo missing the head is the real head-loss → not verified.\n 1986:            return echoed.is_empty();\n...\n 2023:    Committed { sent_text: Vec<u8> },\n*2024:    /// The commit deadline elapsed with the binary still ALIVE (a MISS, not a fault).\n 2025:    Missed,\n 2026:    /// The binary's stdout closed mid-sequence (a REAL death fault).\n 2027:    Disconnected,\n...\n 2050:    }\n*2051:    let deadline = Instant::now() + inject_commit_deadline();\n 2052:    let mut committed = false;\n 2053:    let mut disconnected = false;\n 2054:    let mut sent_text: Vec<u8> = Vec::new();\n 2055:    loop {\n*2056:        let now = Instant::now();\n 2057:        let remaining = deadline.saturating_duration_since(now);\n 2058:        if remaining.is_zero() {\n 2059:            break; // deadline → MISS\n...\n 2074:                let want = Duration::from_millis(delay_ms);\n*2075:                let cap = deadline.saturating_duration_since(Instant::now());\n 2076:                thread::sleep(want.min(cap));\n 2077:            }\n 2078:            Ok(KeyCmd::Commit { .. }) => {\n...\n 2207:                    if attempt < INJECT_REDRIVE_ATTEMPTS {\n*2208:                        eprintln!(\n 2209:                            \"INJECT_ECHO_MISS:{endpoint}: typed head did not echo (attempt {attempt}/{INJECT_REDRIVE_ATTEMPTS}) — re-driving once\"\n 2210:                        );\n 2211:                        committed = false; // re-drive; only a verified commit counts\n...\n 2240:            respool_envelope(&endpoint, &envelope_copy);\n*2241:            eprintln!(\n 2242:                \"INJECT_HEAD_LOSS_SPOOL:{endpoint}: typed payload head did not echo after {INJECT_REDRIVE_ATTEMPTS} attempts — re-spooled loud (delivered=false, recoverable); frame integrity NOT confirmed\"\n 2243:            );\n 2244:            strikes = 0;\n...\n 2283:                respool_envelope(&endpoint, &envelope_copy);\n*2284:                eprintln!(\n 2285:                    \"TRANSLATION_COMMIT_MISS:{endpoint}: no {{commit}} within deadline (strike {strikes}/{}) — binary preserved, envelope respooled once\",\n 2286:                    inject_miss_strike_budget()\n 2287:                );\n...\n 2293:                // strike), REQ-HAZARD-IDLE-SILENT-NONDELIVERY posture.\n*2294:                eprintln!(\n 2295:                    \"TRANSLATION_COMMIT_MISS_DEADLETTER:{endpoint}: envelope missed {{commit}} again after a prior respool (strike {strikes}/{}) — dead-lettered, NOT respooled again (reported non-delivery, not a silent drop)\",\n 2296:                    inject_miss_strike_budget()\n 2297:                );\n...\n 2328:    if let Err(e) = spt_store::spool::spool_message_at(&perch_path, \"\", envelope) {\n*2329:        eprintln!(\n 2330:            \"TRANSLATION_FAULT_RESPOOL:{endpoint}: failed to re-spool ({e}) — message dropped\"\n 2331:        );\n 2332:    }\n...\n 2380:    faulted.store(true, Ordering::Relaxed);\n*2381:    eprintln!(\n 2382:        \"TRANSLATION_FAULT: {why} — terminating binary; idle messages spool until a respawn or a working binary\"\n 2383:    );\n 2384:    child.terminate();\n...\n 2703:    pub fn any_local_controller_wedged(&self) -> bool {\n*2704:        let now = Instant::now();\n 2705:        let deadline = brain_write_deadline();\n 2706:        let sessions = match self.sessions.lock() {\n 2707:            Ok(g) => g,\n...\n 2988:        } else {\n*2989:            let deadline = Instant::now() + WAKE_DEDUP_WAIT;\n 2990:            loop {\n 2991:                enum Gate<'a> {\n 2992:                    Claimed(WakeClaimGuard<'a>),\n...\n 3005:                        inflight.contains(&req.endpoint),\n*3006:                        Instant::now() >= deadline,\n 3007:                    ) {\n 3008:                        WakeGate::AlreadyLive => {\n 3009:                            let (sid, spid) = live.expect(\"live is Some on AlreadyLive\");\n...\n 3024:                    Gate::AlreadyLive(sid, spid) => {\n*3025:                        eprintln!(\n 3026:                            \"SPAWN_DEDUP:{}: endpoint already has a live session {sid} — \\\n 3027:                             single-flight wake no-op ack [REQ-SPAWN-COLLISION-GUARD-LIVE-DUP]\",\n 3028:                            req.endpoint\n...\n 3239:                None => {\n*3240:                    eprintln!(\"DBG unsubscribe: no session {}\", req.session_id);\n 3241:                    return Ok(());\n 3242:                }\n 3243:            }\n...\n 3376:        if respawns.load(Ordering::Relaxed) >= budget {\n*3377:            eprintln!(\n 3378:                \"TRANSLATION_RESPAWN_GIVEUP:{endpoint}: respawn budget ({budget}) exhausted — binary stays faulted; idle inbound spools until an adapter-apply / session restart\"\n 3379:            );\n 3380:            // Return the current (faulted) translation so the caller spools.\n...\n 3395:            let _ = spt_store::info::set_translation_fault(&perch, None);\n*3396:            eprintln!(\"TRANSLATION_RESPAWN:{endpoint}: rebuilt faulted binary (attempt {n}/{budget})\");\n 3397:        }\n 3398:        // Swap it in under the lock (the session may have exited mid-build).\n 3399:        let mut map = recover(&self.sessions);\n...\n 3486:                        if tr.event_tx.send(envelope).is_ok() {\n*3487:                            eprintln!(\n 3488:                                \"ENDPOINT_INJECT:{} ({} bytes → translation binary{})\",\n 3489:                                req.endpoint,\n 3490:                                bytes.len(),\n...\n 3511:                if !idle {\n*3512:                    eprintln!(\n 3513:                        \"ENDPOINT_INJECT:{}: endpoint ACTIVE -> spool (deferred hint), not injected\",\n 3514:                        req.endpoint\n 3515:                    );\n...\n 3517:                } else {\n*3518:                    eprintln!(\n 3519:                        \"ENDPOINT_INJECT:{}: no working translation binary (absent/faulted/worker-gone) -> SPOOLED (idle window), not injected\",\n 3520:                        req.endpoint\n 3521:                    );\n...\n 3804:                    let mut holds = recover(&self.pair_holds);\n*3805:                    let now = Instant::now();\n 3806:                    holds.retain(|_, h| h.deadline > now); // sweep abandoned holds\n 3807:                    holds.insert(\n 3808:                        session_id,\n...\n 3848:            match holds.get(&req.session_id) {\n*3849:                Some(h) if hold_is_live(h.deadline, Instant::now()) => {\n 3850:                    Some((h.subnet.clone(), h.addr.clone()))\n 3851:                }\n 3852:                Some(_) => {\n...\n 4302:        use crate::pairhost::JoinFail;\n*4303:        let now = Instant::now();\n 4304:        assert!(\n 4305:            hold_is_live(now + Duration::from_secs(1), now),\n 4306:            \"a future deadline is live\"\n...\n 4535:            by: None,\n*4536:            last_ok: Instant::now(),\n 4537:            write_blocked_since: Arc::new(Mutex::new(None)),\n 4538:            _writer: thread::spawn(|| {}),\n 4539:        });\n...\n 4576:        if let Some(c) = log.controller.as_mut() {\n*4577:            c.last_ok = Instant::now()\n 4578:                .checked_sub(CONTROLLER_WRITE_DEADLINE + Duration::from_secs(1))\n 4579:                .expect(\"CI uptime exceeds the deadline\");\n 4580:        }\n...\n 4807:    // attach (serve/dispatch locks sessions) panics its reply thread and deadlines\n*4808:    // (\"brain IPC read deadline elapsed\") forever. `recover` (the fix) hands back a\n 4809:    // usable guard so the NEXT attach-path op still runs. RED-FIRST: swap `recover`\n 4810:    // back to a bare `.lock().unwrap()` and the post-poison access PANICS.\n 4811:    #[test]\n...\n 5073:        let dead = {\n*5074:            let deadline = Instant::now() + Duration::from_secs(5);\n 5075:            loop {\n 5076:                if !spt_store::proc::is_process_alive(pid) {\n 5077:                    break true;\n 5078:                }\n*5079:                if Instant::now() >= deadline {\n 5080:                    break false;\n 5081:                }\n 5082:                thread::sleep(Duration::from_millis(20));\n...\n 5385:            by: Some(\"remote-node\".to_string()),\n*5386:            last_ok: Instant::now(),\n 5387:            write_blocked_since: Arc::new(Mutex::new(None)),\n 5388:            _writer: writer,\n 5389:        });\n...\n 5421:            by: Some(\"remote-node\".to_string()),\n*5422:            last_ok: Instant::now(),\n 5423:            write_blocked_since: Arc::new(Mutex::new(None)),\n 5424:            _writer: writer,\n 5425:        });\n...\n 5458:            by: by.map(str::to_string),\n*5459:            last_ok: Instant::now(),\n 5460:            write_blocked_since: Arc::clone(&write_blocked_since),\n 5461:            _writer: writer,\n 5462:        });\n...\n 5468:    fn wedged_since() -> Instant {\n*5469:        Instant::now()\n 5470:            .checked_sub(BRAIN_WRITE_DEADLINE + Duration::from_secs(1))\n 5471:            .expect(\"process has been up longer than the deadline\")\n 5472:    }\n...\n 5481:        let blocked = seed_controller_with_block(&mut log, Some(\"n\"), None);\n*5482:        let now = Instant::now();\n 5483:        // Idle (None) → not stalled.\n 5484:        assert!(!log.controller_write_stalled(now, BRAIN_WRITE_DEADLINE));\n 5485:        // A write just started → not stalled (slow-but-draining brain untouched).\n...\n 5499:    fn local_controller_wedged_scopes_to_the_brains_own_conn() {\n*5500:        let now = Instant::now();\n 5501:        // A LOCAL (by:None) controller wedged past the deadline → wedged.\n 5502:        let mut local = OutputLog::new(1, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\n 5503:        seed_controller_with_block(&mut local, None, Some(wedged_since()));"}],"details":{"scopePath":"spt-core/crates/spt-daemon/src/broker.rs","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs","cwd":"C:\\Users\\decid\\Documents\\projects","matchCount":49,"fileCount":1,"files":["spt-core/crates/spt-daemon/src/broker.rs"],"fileMatches":[{"path":"spt-core/crates/spt-daemon/src/broker.rs","count":49}],"truncated":false,"displayContent":"  506│    /// REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE): the `controller_writer` sets it to\n *507│    /// `Some(Instant::now())` immediately BEFORE it enters a blocking `write_frame`\n  508│    /// and back to `None` the instant the write returns. A reader\n  509│    /// ([`OutputLog::controller_stalled`]) sees a `Some` older than\n  510│    /// [`BRAIN_WRITE_DEADLINE`] as a writer WEDGED on a suspended/black-holed brain\n     │...\n  757│        self.ring.clear();\n *758│        eprintln!(\n  759│            \"broker: session {} output ring was torn by a poison-recover \\\n  760│             (had {had} chunks, next_seq {}); reset to empty — scrollback self-heals \\\n  761│             on the next output [REQ-HAZARD-BROKER-FLOOR-LOCK-POISON]\",\n     │...\n  822│        // → EVICT. The drain off-lock turns `Some(epoch)` into `mark_controller_gone`.\n *823│        let now = Instant::now();\n  824│        let epoch = self.controller_epoch.load(Ordering::Acquire);\n  825│        let result = if let Some(c) = self.controller.as_mut() {\n  826│            match c.tx.try_send(CtrlMsg::Output(seq, frame)) {\n     │...\n  923│            by,\n *924│            last_ok: Instant::now(),\n  925│            write_blocked_since,\n  926│            _writer: writer,\n  927│        });\n     │...\n  983│        // the multi-session snapshot closure (no I/O under the shared sessions lock).\n *984│        self.stall_evict_controller(Instant::now(), StampMode::Deferred)\n  985│    }\n  986│\n  987│    /// Deadline-evict path (W1): the drain observed a fully-stalled controller and\n     │...\n 1043│        }\n*1044│        eprintln!(\n 1045│            \"BRAIN_SUBSCRIBER_STALL_EVICT:{} — controller writer blocked > {}ms on a \\\n 1046│             suspended/black-holed brain conn; detached, driven_by released \\\n 1047│             [REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE]\",\n     │...\n 1133│        // reads free and the normal free/take logic below runs.\n*1134│        self.stall_evict_controller(Instant::now(), StampMode::Inline);\n 1135│        if self.controller.is_none() {\n 1136│            // Free endpoint → become controller (nothing to displace).\n 1137│            self.become_controller(sub, by, from_seq);\n     │...\n 1433│        if let Ok(mut g) = write_blocked_since.lock() {\n*1434│            *g = if on { Some(Instant::now()) } else { None };\n 1435│        }\n 1436│    };\n 1437│    for (seq, bytes) in &initial {\n     │...\n 1714│/// dies, and EVERY subsequent attach silently deadlines (`spt rc` → \"brain IPC read\n*1715│/// deadline elapsed\", brain.rs) while non-locked ops keep working. The `into_inner`\n 1716│/// idiom (identical to [`lock_floor`] and the effect journal, bug #16) keeps the\n 1717│/// broker serving. Safe for the SHORT map ops it guards (`sessions` / `pair_holds`\n 1718│/// inserts+removes stay coherent on recovery — the same argument as the floor). The\n     │...\n 1848│        Err(e) => {\n*1849│            eprintln!(\n 1850│                \"TRANSLATION_SPAWN_FAILED:{argv:?}: {e} — no idle PTY delivery; inbound spools (declare/repair the binary)\"\n 1851│            );\n 1852│            None\n     │...\n 1920│    let baseline = recover_log(log).high_water();\n*1921│    let deadline = Instant::now() + inject_settle_deadline();\n 1922│    loop {\n 1923│        // Probe: a live reader answers DSR / re-renders → the ring advances.\n 1924│        input.enqueue(INJECT_SETTLE_PROBE.to_vec());\n     │...\n 1928│        }\n*1929│        if Instant::now() >= deadline {\n*1930│            eprintln!(\n 1931│                \"INJECT_SETTLE_TIMEOUT:{endpoint}: no PTY readiness echo within {}ms — proceeding (echo-verify guards head loss)\",\n 1932│                inject_settle_deadline().as_millis()\n 1933│            );\n     │...\n 1976│    }\n*1977│    let deadline = Instant::now() + inject_echo_verify_deadline();\n 1978│    loop {\n 1979│        let echoed = recover_log(log).bytes_since(seq_start);\n 1980│        if echo_verified(sent_text, &echoed) {\n     │...\n 1982│        }\n*1983│        if Instant::now() >= deadline {\n 1984│            // Unverifiable (nothing echoed at all) → fail safe, assume delivered. A\n 1985│            // NON-empty echo missing the head is the real head-loss → not verified.\n 1986│            return echoed.is_empty();\n     │...\n 2023│    Committed { sent_text: Vec<u8> },\n*2024│    /// The commit deadline elapsed with the binary still ALIVE (a MISS, not a fault).\n 2025│    Missed,\n 2026│    /// The binary's stdout closed mid-sequence (a REAL death fault).\n 2027│    Disconnected,\n     │...\n 2050│    }\n*2051│    let deadline = Instant::now() + inject_commit_deadline();\n 2052│    let mut committed = false;\n 2053│    let mut disconnected = false;\n 2054│    let mut sent_text: Vec<u8> = Vec::new();\n 2055│    loop {\n*2056│        let now = Instant::now();\n 2057│        let remaining = deadline.saturating_duration_since(now);\n 2058│        if remaining.is_zero() {\n 2059│            break; // deadline → MISS\n     │...\n 2074│                let want = Duration::from_millis(delay_ms);\n*2075│                let cap = deadline.saturating_duration_since(Instant::now());\n 2076│                thread::sleep(want.min(cap));\n 2077│            }\n 2078│            Ok(KeyCmd::Commit { .. }) => {\n     │...\n 2207│                    if attempt < INJECT_REDRIVE_ATTEMPTS {\n*2208│                        eprintln!(\n 2209│                            \"INJECT_ECHO_MISS:{endpoint}: typed head did not echo (attempt {attempt}/{INJECT_REDRIVE_ATTEMPTS}) — re-driving once\"\n 2210│                        );\n 2211│                        committed = false; // re-drive; only a verified commit counts\n     │...\n 2240│            respool_envelope(&endpoint, &envelope_copy);\n*2241│            eprintln!(\n 2242│                \"INJECT_HEAD_LOSS_SPOOL:{endpoint}: typed payload head did not echo after {INJECT_REDRIVE_ATTEMPTS} attempts — re-spooled loud (delivered=false, recoverable); frame integrity NOT confirmed\"\n 2243│            );\n 2244│            strikes = 0;\n     │...\n 2283│                respool_envelope(&endpoint, &envelope_copy);\n*2284│                eprintln!(\n 2285│                    \"TRANSLATION_COMMIT_MISS:{endpoint}: no {{commit}} within deadline (strike {strikes}/{}) — binary preserved, envelope respooled once\",\n 2286│                    inject_miss_strike_budget()\n 2287│                );\n     │...\n 2293│                // strike), REQ-HAZARD-IDLE-SILENT-NONDELIVERY posture.\n*2294│                eprintln!(\n 2295│                    \"TRANSLATION_COMMIT_MISS_DEADLETTER:{endpoint}: envelope missed {{commit}} again after a prior respool (strike {strikes}/{}) — dead-lettered, NOT respooled again (reported non-delivery, not a silent drop)\",\n 2296│                    inject_miss_strike_budget()\n 2297│                );\n     │...\n 2328│    if let Err(e) = spt_store::spool::spool_message_at(&perch_path, \"\", envelope) {\n*2329│        eprintln!(\n 2330│            \"TRANSLATION_FAULT_RESPOOL:{endpoint}: failed to re-spool ({e}) — message dropped\"\n 2331│        );\n 2332│    }\n     │...\n 2380│    faulted.store(true, Ordering::Relaxed);\n*2381│    eprintln!(\n 2382│        \"TRANSLATION_FAULT: {why} — terminating binary; idle messages spool until a respawn or a working binary\"\n 2383│    );\n 2384│    child.terminate();\n     │...\n 2703│    pub fn any_local_controller_wedged(&self) -> bool {\n*2704│        let now = Instant::now();\n 2705│        let deadline = brain_write_deadline();\n 2706│        let sessions = match self.sessions.lock() {\n 2707│            Ok(g) => g,\n     │...\n 2988│        } else {\n*2989│            let deadline = Instant::now() + WAKE_DEDUP_WAIT;\n 2990│            loop {\n 2991│                enum Gate<'a> {\n 2992│                    Claimed(WakeClaimGuard<'a>),\n     │...\n 3005│                        inflight.contains(&req.endpoint),\n*3006│                        Instant::now() >= deadline,\n 3007│                    ) {\n 3008│                        WakeGate::AlreadyLive => {\n 3009│                            let (sid, spid) = live.expect(\"live is Some on AlreadyLive\");\n     │...\n 3024│                    Gate::AlreadyLive(sid, spid) => {\n*3025│                        eprintln!(\n 3026│                            \"SPAWN_DEDUP:{}: endpoint already has a live session {sid} — \\\n 3027│                             single-flight wake no-op ack [REQ-SPAWN-COLLISION-GUARD-LIVE-DUP]\",\n 3028│                            req.endpoint\n     │...\n 3239│                None => {\n*3240│                    eprintln!(\"DBG unsubscribe: no session {}\", req.session_id);\n 3241│                    return Ok(());\n 3242│                }\n 3243│            }\n     │...\n 3376│        if respawns.load(Ordering::Relaxed) >= budget {\n*3377│            eprintln!(\n 3378│                \"TRANSLATION_RESPAWN_GIVEUP:{endpoint}: respawn budget ({budget}) exhausted — binary stays faulted; idle inbound spools until an adapter-apply / session restart\"\n 3379│            );\n 3380│            // Return the current (faulted) translation so the caller spools.\n     │...\n 3395│            let _ = spt_store::info::set_translation_fault(&perch, None);\n*3396│            eprintln!(\"TRANSLATION_RESPAWN:{endpoint}: rebuilt faulted binary (attempt {n}/{budget})\");\n 3397│        }\n 3398│        // Swap it in under the lock (the session may have exited mid-build).\n 3399│        let mut map = recover(&self.sessions);\n     │...\n 3486│                        if tr.event_tx.send(envelope).is_ok() {\n*3487│                            eprintln!(\n 3488│                                \"ENDPOINT_INJECT:{} ({} bytes → translation binary{})\",\n 3489│                                req.endpoint,\n 3490│                                bytes.len(),\n     │...\n 3511│                if !idle {\n*3512│                    eprintln!(\n 3513│                        \"ENDPOINT_INJECT:{}: endpoint ACTIVE -> spool (deferred hint), not injected\",\n 3514│                        req.endpoint\n 3515│                    );\n     │...\n 3517│                } else {\n*3518│                    eprintln!(\n 3519│                        \"ENDPOINT_INJECT:{}: no working translation binary (absent/faulted/worker-gone) -> SPOOLED (idle window), not injected\",\n 3520│                        req.endpoint\n 3521│                    );\n     │...\n 3804│                    let mut holds = recover(&self.pair_holds);\n*3805│                    let now = Instant::now();\n 3806│                    holds.retain(|_, h| h.deadline > now); // sweep abandoned holds\n 3807│                    holds.insert(\n 3808│                        session_id,\n     │...\n 3848│            match holds.get(&req.session_id) {\n*3849│                Some(h) if hold_is_live(h.deadline, Instant::now()) => {\n 3850│                    Some((h.subnet.clone(), h.addr.clone()))\n 3851│                }\n 3852│                Some(_) => {\n     │...\n 4302│        use crate::pairhost::JoinFail;\n*4303│        let now = Instant::now();\n 4304│        assert!(\n 4305│            hold_is_live(now + Duration::from_secs(1), now),\n 4306│            \"a future deadline is live\"\n     │...\n 4535│            by: None,\n*4536│            last_ok: Instant::now(),\n 4537│            write_blocked_since: Arc::new(Mutex::new(None)),\n 4538│            _writer: thread::spawn(|| {}),\n 4539│        });\n     │...\n 4576│        if let Some(c) = log.controller.as_mut() {\n*4577│            c.last_ok = Instant::now()\n 4578│                .checked_sub(CONTROLLER_WRITE_DEADLINE + Duration::from_secs(1))\n 4579│                .expect(\"CI uptime exceeds the deadline\");\n 4580│        }\n     │...\n 4807│    // attach (serve/dispatch locks sessions) panics its reply thread and deadlines\n*4808│    // (\"brain IPC read deadline elapsed\") forever. `recover` (the fix) hands back a\n 4809│    // usable guard so the NEXT attach-path op still runs. RED-FIRST: swap `recover`\n 4810│    // back to a bare `.lock().unwrap()` and the post-poison access PANICS.\n 4811│    #[test]\n     │...\n 5073│        let dead = {\n*5074│            let deadline = Instant::now() + Duration::from_secs(5);\n 5075│            loop {\n 5076│                if !spt_store::proc::is_process_alive(pid) {\n 5077│                    break true;\n 5078│                }\n*5079│                if Instant::now() >= deadline {\n 5080│                    break false;\n 5081│                }\n 5082│                thread::sleep(Duration::from_millis(20));\n     │...\n 5385│            by: Some(\"remote-node\".to_string()),\n*5386│            last_ok: Instant::now(),\n 5387│            write_blocked_since: Arc::new(Mutex::new(None)),\n 5388│            _writer: writer,\n 5389│        });\n     │...\n 5421│            by: Some(\"remote-node\".to_string()),\n*5422│            last_ok: Instant::now(),\n 5423│            write_blocked_since: Arc::new(Mutex::new(None)),\n 5424│            _writer: writer,\n 5425│        });\n     │...\n 5458│            by: by.map(str::to_string),\n*5459│            last_ok: Instant::now(),\n 5460│            write_blocked_since: Arc::clone(&write_blocked_since),\n 5461│            _writer: writer,\n 5462│        });\n     │...\n 5468│    fn wedged_since() -> Instant {\n*5469│        Instant::now()\n 5470│            .checked_sub(BRAIN_WRITE_DEADLINE + Duration::from_secs(1))\n 5471│            .expect(\"process has been up longer than the deadline\")\n 5472│    }\n     │...\n 5481│        let blocked = seed_controller_with_block(&mut log, Some(\"n\"), None);\n*5482│        let now = Instant::now();\n 5483│        // Idle (None) → not stalled.\n 5484│        assert!(!log.controller_write_stalled(now, BRAIN_WRITE_DEADLINE));\n 5485│        // A write just started → not stalled (slow-but-draining brain untouched).\n     │...\n 5499│    fn local_controller_wedged_scopes_to_the_brains_own_conn() {\n*5500│        let now = Instant::now();\n 5501│        // A LOCAL (by:None) controller wedged past the deadline → wedged.\n 5502│        let mut local = OutputLog::new(1, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\n 5503│        seed_controller_with_block(&mut local, None, Some(wedged_since()));"},"isError":false,"timestamp":1783657480313}}
{"type":"message","id":"d7043957","parentId":"181498a8","timestamp":"2026-07-10T04:24:40.360Z","message":{"role":"toolResult","toolCallId":"call_GiTX5pJ54xN0CAqoJL6ORKtl|fc_0ec86a6c795d74b7016a5074083e00819597d3dd0e7e0f0193","toolName":"read","content":[{"type":"text","text":"[broker.rs#1F25]\n1://! The broker kernel (B1 + B2) — the stable half of the broker/brain split.\n2://!\n3://! Per ADR-0004 §B the broker holds **only** the resources a live consumer\n4://! would lose continuity on if the logic restarted: the PTY master+writer and\n5://! the spawned child (both via [`spt_term::PtySession`]), and the accepted\n6://! client / listening sockets. It runs **no logic** — no routing, registry,\n7://! manifest parse, or lifecycle. It is a relay: spawn a child under a PTY,\n8://! forward its output to the brain, inject the brain's input, report exit.\n9://!\n10://! ## Gapless handoff (B2 — the load-bearing invariant)\n11://!\n12://! A brain may be killed and restarted at any moment (a routine self-update, a\n13://! crash). The broker — and every hosted child — must survive that untouched,\n14://! and the new brain must re-attach to the output stream **gaplessly and\n15://! exactly-once** (Spike #1 made real). Two mechanisms:\n16://!\n17://! - **Sequenced, buffered output.** Each session's output is appended to an\n18://!   [`OutputLog`]: every chunk gets a monotonic per-session `seq` and is held\n19://!   in a bounded ring. The current subscriber (a brain connection) receives\n20://!   chunks live; all subscriber writes happen *under the log lock*, so frames\n21://!   reach the brain in strict `seq` order with no interleave.\n22://! - **Resume from a cursor.** A reconnecting brain sends `subscribe` with its\n23://!   last-seen `seq + 1`; the broker replays the ring from there, then streams\n24://!   live. The brain dedups by `seq`. Output produced *while no brain was\n25://!   attached* sits in the ring and is replayed on the next subscribe — so a\n26://!   brain restart loses nothing.\n27://!\n28://! Sessions are therefore **broker-owned and outlive any one connection**: a\n29://! brain disconnect only detaches the subscriber; the child, its PTY, and the\n30://! output log persist. A session leaves the table only when its child exits\n31://! (reaped by the exit waiter) or is explicitly killed.\n32:// [impl->REQ-DAEMON-2]\n33:\n34:use std::collections::{HashMap, HashSet, VecDeque};\n35:use std::io;\n36:use std::sync::atomic::{AtomicBool, AtomicU32, AtomicU64, Ordering};\n37:use std::sync::mpsc::{channel, sync_channel, Receiver, RecvTimeoutError, Sender, SyncSender, TrySendError};\n38:use std::sync::{Arc, Mutex};\n39:use std::thread::{self, JoinHandle};\n40:use std::time::{Duration, Instant};\n41:\n42:use interprocess::local_socket::{prelude::*, SendHalf, Stream};\n43:use spt_term::{Drain, PtySession, ScreenGrid, SessionSurface, SurfaceSize};\n44:\n45:use spt_net::net::attach::AttachIntent;\n46:use spt_net::net::endpoint::EndpointAddr;\n47:use spt_store::perch::{resolve_perch_path, ParentHint};\n48:\n49:use crate::codec::{read_frame, write_frame};\n50:use crate::effect::{EffectJournal, EffectKey, EffectKind, Minter, Outcome};\n51:use crate::frame::{Envelope, Role};\n52:use crate::msg::{\n53:    applied_envelope, decode_bytes, displaced_envelope, endpoint_injected_envelope,\n54:    evicted_envelope, net_dialed_envelope, output_envelope,\n55:    size_envelope, subscribed_envelope, AdapterApplyReq, BrainRestarted, EndpointInputReq,\n56:    ErrorEvent, ExitEvent, InputReq, KillReq, NetDialReq, NetPresenceSubscribeReq, NetSent,\n57:    BrokerImageReply, StallEvictsReply, NetStatusReply, NetStreamOpenReq, NetStreamOpened, NetStreamSendReq, NetStreamSubscribeReq,\n58:    NetStreamsReply, MetMember, PairCodeSubmit, PairJoinReply, PairJoinReq, PairMeetReq, ResizeReq, SessionInfo, SessionsReply, SpawnReq,\n59:    Spawned, SubscribeOutcome, SubscribeReq, UnsubscribeReq, KIND_BRAIN_RESTART, KIND_BRAIN_RESTARTED, KIND_ENDPOINT_INPUT, KIND_ERROR, KIND_EXIT,\n60:    KIND_INPUT, KIND_KILL, KIND_NET_DIAL, KIND_NET_DIAL_LOOPBACK, KIND_NET_PRESENCE_SUBSCRIBE,\n61:    KIND_NET_SENT,\n62:    KIND_ADAPTER_APPLY, KIND_APPLIED,\n63:    KIND_BROKER_IMAGE, KIND_BROKER_IMAGE_REPLY, KIND_STALL_EVICTS, KIND_STALL_EVICTS_REPLY,\n64:    KIND_NET_STATUS, KIND_NET_STATUS_REPLY, KIND_NET_STREAMS, KIND_NET_STREAMS_REPLY,\n65:    KIND_NET_STREAM_OPEN, KIND_NET_STREAM_OPENED, KIND_NET_STREAM_SEND, KIND_NET_STREAM_SUBSCRIBE,\n66:    KIND_MET_MEMBER, KIND_PAIR_CODE_SUBMIT, KIND_PAIR_JOIN, KIND_PAIR_JOINED, KIND_PAIR_MEET, KIND_RESIZE, KIND_SESSIONS, KIND_SESSIONS_REPLY, KIND_SPAWN,\n67:    KIND_SPAWNED, KIND_SUBSCRIBE, KIND_UNSUBSCRIBE,\n68:};\n69:use crate::nethost::{NetHost, NET_EFFECT_SESSION};\n70:use crate::translation::{key_to_bytes, InjectFloor, KeyCmd, ToBinary, TranslationChild};\n71:use crate::transport::{recv_hello, DaemonTransport, LocalSocketTransport};\n72:\n73:/// The shared, serialized send side of one brain connection. Output frames,\n74:/// replay frames, command acks, and exit/error events all write through this.\n75:/// `pub(crate)`: the net host's stream logs (D4b) live-send through the same\n76:/// handle under the same lock discipline.\n77:pub(crate) type SharedSend = Arc<Mutex<SendHalf>>;\n78:\n79:/// Default bounded output-log depth (chunks). Large enough that a brain restart\n80:/// window never evicts unreplayed output in practice; the bound is what keeps a\n81:/// disconnected session from buffering without limit.\n82:const DEFAULT_LOG_CHUNKS: usize = 4096;\n83:\n84:/// The viewer-channel depth (frames). A bounded SPSC queue per viewer; when it\n85:/// OVERFLOWS the viewer is evicted — the drain `try_send`s and never blocks\n86:/// (REQ-HAZARD-VIEWER-ISOLATION). Generous enough to absorb a normal render\n87:/// hiccup; a viewer that falls this far behind on the LIVE stream is genuinely\n88:/// not keeping up. Replay-at-attach does NOT ride this bound (the writer thread\n89:/// owns the replay batch), so a viewer attaching to a busy session is not\n90:/// spuriously evicted.\n91:const VIEWER_CHANNEL_DEPTH: usize = 256;\n92:\n93:/// Soft cap on concurrent viewers per session (REQ-HAZARD-VIEWER-ISOLATION:\n94:/// bounds the writer-thread count). A `Viewer` attach beyond the cap is refused.\n95:const MAX_VIEWERS: usize = 32;\n96:\n97:/// Whether a viewer's bounded-queue `try_send` result demands EVICTION\n98:/// (REQ-HAZARD-VIEWER-ISOLATION): a `Full` queue (the viewer can't keep up with\n99:/// the live stream) or a `Disconnected` one (its writer thread ended after a\n100:/// dead socket). The drain evicts on either and NEVER blocks on a viewer — this\n101:/// is the pure decision the fan-out applies under the log lock.\n102:// [impl->REQ-HAZARD-VIEWER-ISOLATION]\n103:fn viewer_send_evicts<T>(r: &Result<(), TrySendError<T>>) -> bool {\n104:    r.is_err()\n105:}\n106:\n107:/// One read-only viewer's isolated sink (REQ-HAZARD-VIEWER-ISOLATION). The drain\n108:/// thread `try_send`s output frames into `tx` (a bounded queue); a dedicated\n109:/// `writer` thread does the BLOCKING socket write, so a wedged viewer backs up\n110:/// only its own queue — never the drain. When the queue overflows the sink is\n111:/// dropped (the `tx` closes → the writer ends) and removed from the map.\n112:struct ViewerSink {\n113:    /// The bounded live-frame queue to this viewer's writer thread.\n114:    tx: SyncSender<Envelope>,\n115:    /// The viewer's IPC send half — kept ONLY for identity matching on detach\n116:    /// (a dropped brain connection removes its viewer rows); never written here.\n117:    send: SharedSend,\n118:    /// Set TRUE when this viewer is EVICTED for overflow (REQ-VIEWER-SKIP-TO-LIVE-ON-EVICT),\n119:    /// distinguishing an eviction from a normal teardown (session end / conn drop).\n120:    /// `append` stores `true` BEFORE dropping the sink (and thus `tx`); the writer,\n121:    /// on its `rx.recv()` Err, reads this and — when true — emits a\n122:    /// [`KIND_VIEWER_EVICTED`] marker (in the writer thread, OFF the log lock) so\n123:    /// the serving brain skips to live instead of tearing the attach down.\n124:    evicted: Arc<AtomicBool>,\n125:    /// The writer thread handle (held for ownership; it exits when `tx` drops or\n126:    /// a socket write fails).\n127:    _writer: JoinHandle<()>,\n128:}\n129:\n130:/// The controller live-frame channel depth (frames). Deeper than a viewer's\n131:/// queue because the controller is the AUTHORITATIVE view — unlike a viewer it is\n132:/// NOT evicted on a SINGLE full `try_send` (W1 / REQ-HAZARD-INJECT-CONTROL-COEXIST).\n133:/// b4: the drain does ONE non-blocking `try_send` per chunk and NEVER blocks; a\n134:/// merely-slow controller DROPS chunks + falls behind the ring, and only a channel\n135:/// that stays full for [`CONTROLLER_WRITE_DEADLINE`] (tracked via\n136:/// [`ControllerSink::last_ok`]) is detached. Generous so a momentary slow consumer\n137:/// never trips the deadline.\n138:const CONTROLLER_CHANNEL_DEPTH: usize = 4096;\n139:\n140:/// How long a CONTROLLER's channel may stay FULL (no successful handoff since\n141:/// [`ControllerSink::last_ok`]) before the drain declares it stalled and detaches it\n142:/// (W1, refined by b4 / REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE). This\n143:/// BOUNDS the wedge: a backed-up controller falls behind for at most this long before\n144:/// eviction — never forever (the v0.12.x root) — and the drain NEVER blocks or sleeps\n145:/// (a single off-lock `try_send` per chunk; see [`OutputLog::append`]). A live but\n146:/// merely slow operator lands a frame before this elapses (resetting `last_ok`) and is\n147:/// untouched.\n148:const CONTROLLER_WRITE_DEADLINE: Duration = Duration::from_secs(5);\n149:\n150:/// How long a controller's writer thread may sit BLOCKED inside a single socket\n151:/// write — the brain subscriber suspended / black-holed — before a take/reattach\n152:/// or the `KIND_SESSIONS` reap stall-evicts it (LIFECYCLE-TRUTH W2,\n153:/// REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE). Distinct from and 3× longer than\n154:/// [`CONTROLLER_WRITE_DEADLINE`] on PURPOSE (doyle ruling Q1): that 5 s bound\n155:/// protects the fan-out against ONE per-client conn falling behind and is\n156:/// output-driven (the drain observes a Full channel); THIS bound is measured\n157:/// full-with-**zero writer progress** and covers the case the output-driven path\n158:/// can't — an IDLE session whose brain-subscriber conn is suspended produces no\n159:/// output, so `append`/`mark_controller_gone` never runs, and the stalled\n160:/// controller would otherwise latch `driven_by` forever (reattach refused, `--take`\n161:/// blocked). The brain aggregates every session + psyche + WAN feed, so its drain\n162:/// is bursty; 15 s tolerates a normal burst-stall while still bounding the wedge.\n163:/// A slow-but-DRAINING brain never trips it — the clock only advances while a write\n164:/// is genuinely in flight past the deadline (see [`ControllerSink::write_blocked_since`]).\n165:// [impl->REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE]\n166:const BRAIN_WRITE_DEADLINE: Duration = Duration::from_secs(15);\n167:\n168:/// The EFFECTIVE brain-write deadline. Production is [`BRAIN_WRITE_DEADLINE`]; the\n169:/// suspend-brain int rig shrinks it via `SPT_BRAIN_WRITE_DEADLINE_MS` so the\n170:/// structural outcome (a wedged controller is stall-evicted → take/reattach frees\n171:/// the slot) is provable in ~1 s instead of 15 (mirrors the\n172:/// `SPT_INJECT_COMMIT_DEADLINE_MS` env-knob precedent). Grants test wall-clock\n173:/// ONLY — never relaxes an assertion.\n174:// [impl->REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE]\n175:fn brain_write_deadline() -> Duration {\n176:    match std::env::var(\"SPT_BRAIN_WRITE_DEADLINE_MS\") {\n177:        Ok(ms) => ms\n178:            .parse::<u64>()\n179:            .map(Duration::from_millis)\n180:            .unwrap_or(BRAIN_WRITE_DEADLINE),\n181:        Err(_) => BRAIN_WRITE_DEADLINE,\n182:    }\n183:}\n\n[Showing lines 1-183 of 5718. Use :184 to continue]"}],"details":{"truncation":{"content":"//! The broker kernel (B1 + B2) — the stable half of the broker/brain split.\r\n//!\r\n//! Per ADR-0004 §B the broker holds **only** the resources a live consumer\r\n//! would lose continuity on if the logic restarted: the PTY master+writer and\r\n//! the spawned child (both via [`spt_term::PtySession`]), and the accepted\r\n//! client / listening sockets. It runs **no logic** — no routing, registry,\r\n//! manifest parse, or lifecycle. It is a relay: spawn a child under a PTY,\r\n//! forward its output to the brain, inject the brain's input, report exit.\r\n//!\r\n//! ## Gapless handoff (B2 — the load-bearing invariant)\r\n//!\r\n//! A brain may be killed and restarted at any moment (a routine self-update, a\r\n//! crash). The broker — and every hosted child — must survive that untouched,\r\n//! and the new brain must re-attach to the output stream **gaplessly and\r\n//! exactly-once** (Spike #1 made real). Two mechanisms:\r\n//!\r\n//! - **Sequenced, buffered output.** Each session's output is appended to an\r\n//!   [`OutputLog`]: every chunk gets a monotonic per-session `seq` and is held\r\n//!   in a bounded ring. The current subscriber (a brain connection) receives\r\n//!   chunks live; all subscriber writes happen *under the log lock*, so frames\r\n//!   reach the brain in strict `seq` order with no interleave.\r\n//! - **Resume from a cursor.** A reconnecting brain sends `subscribe` with its\r\n//!   last-seen `seq + 1`; the broker replays the ring from there, then streams\r\n//!   live. The brain dedups by `seq`. Output produced *while no brain was\r\n//!   attached* sits in the ring and is replayed on the next subscribe — so a\r\n//!   brain restart loses nothing.\r\n//!\r\n//! Sessions are therefore **broker-owned and outlive any one connection**: a\r\n//! brain disconnect only detaches the subscriber; the child, its PTY, and the\r\n//! output log persist. A session leaves the table only when its child exits\r\n//! (reaped by the exit waiter) or is explicitly killed.\r\n// [impl->REQ-DAEMON-2]\r\n\r\nuse std::collections::{HashMap, HashSet, VecDeque};\r\nuse std::io;\r\nuse std::sync::atomic::{AtomicBool, AtomicU32, AtomicU64, Ordering};\r\nuse std::sync::mpsc::{channel, sync_channel, Receiver, RecvTimeoutError, Sender, SyncSender, TrySendError};\r\nuse std::sync::{Arc, Mutex};\r\nuse std::thread::{self, JoinHandle};\r\nuse std::time::{Duration, Instant};\r\n\r\nuse interprocess::local_socket::{prelude::*, SendHalf, Stream};\r\nuse spt_term::{Drain, PtySession, ScreenGrid, SessionSurface, SurfaceSize};\r\n\r\nuse spt_net::net::attach::AttachIntent;\r\nuse spt_net::net::endpoint::EndpointAddr;\r\nuse spt_store::perch::{resolve_perch_path, ParentHint};\r\n\r\nuse crate::codec::{read_frame, write_frame};\r\nuse crate::effect::{EffectJournal, EffectKey, EffectKind, Minter, Outcome};\r\nuse crate::frame::{Envelope, Role};\r\nuse crate::msg::{\r\n    applied_envelope, decode_bytes, displaced_envelope, endpoint_injected_envelope,\r\n    evicted_envelope, net_dialed_envelope, output_envelope,\r\n    size_envelope, subscribed_envelope, AdapterApplyReq, BrainRestarted, EndpointInputReq,\r\n    ErrorEvent, ExitEvent, InputReq, KillReq, NetDialReq, NetPresenceSubscribeReq, NetSent,\r\n    BrokerImageReply, StallEvictsReply, NetStatusReply, NetStreamOpenReq, NetStreamOpened, NetStreamSendReq, NetStreamSubscribeReq,\r\n    NetStreamsReply, MetMember, PairCodeSubmit, PairJoinReply, PairJoinReq, PairMeetReq, ResizeReq, SessionInfo, SessionsReply, SpawnReq,\r\n    Spawned, SubscribeOutcome, SubscribeReq, UnsubscribeReq, KIND_BRAIN_RESTART, KIND_BRAIN_RESTARTED, KIND_ENDPOINT_INPUT, KIND_ERROR, KIND_EXIT,\r\n    KIND_INPUT, KIND_KILL, KIND_NET_DIAL, KIND_NET_DIAL_LOOPBACK, KIND_NET_PRESENCE_SUBSCRIBE,\r\n    KIND_NET_SENT,\r\n    KIND_ADAPTER_APPLY, KIND_APPLIED,\r\n    KIND_BROKER_IMAGE, KIND_BROKER_IMAGE_REPLY, KIND_STALL_EVICTS, KIND_STALL_EVICTS_REPLY,\r\n    KIND_NET_STATUS, KIND_NET_STATUS_REPLY, KIND_NET_STREAMS, KIND_NET_STREAMS_REPLY,\r\n    KIND_NET_STREAM_OPEN, KIND_NET_STREAM_OPENED, KIND_NET_STREAM_SEND, KIND_NET_STREAM_SUBSCRIBE,\r\n    KIND_MET_MEMBER, KIND_PAIR_CODE_SUBMIT, KIND_PAIR_JOIN, KIND_PAIR_JOINED, KIND_PAIR_MEET, KIND_RESIZE, KIND_SESSIONS, KIND_SESSIONS_REPLY, KIND_SPAWN,\r\n    KIND_SPAWNED, KIND_SUBSCRIBE, KIND_UNSUBSCRIBE,\r\n};\r\nuse crate::nethost::{NetHost, NET_EFFECT_SESSION};\r\nuse crate::translation::{key_to_bytes, InjectFloor, KeyCmd, ToBinary, TranslationChild};\r\nuse crate::transport::{recv_hello, DaemonTransport, LocalSocketTransport};\r\n\r\n/// The shared, serialized send side of one brain connection. Output frames,\r\n/// replay frames, command acks, and exit/error events all write through this.\r\n/// `pub(crate)`: the net host's stream logs (D4b) live-send through the same\r\n/// handle under the same lock discipline.\r\npub(crate) type SharedSend = Arc<Mutex<SendHalf>>;\r\n\r\n/// Default bounded output-log depth (chunks). Large enough that a brain restart\r\n/// window never evicts unreplayed output in practice; the bound is what keeps a\r\n/// disconnected session from buffering without limit.\r\nconst DEFAULT_LOG_CHUNKS: usize = 4096;\r\n\r\n/// The viewer-channel depth (frames). A bounded SPSC queue per viewer; when it\r\n/// OVERFLOWS the viewer is evicted — the drain `try_send`s and never blocks\r\n/// (REQ-HAZARD-VIEWER-ISOLATION). Generous enough to absorb a normal render\r\n/// hiccup; a viewer that falls this far behind on the LIVE stream is genuinely\r\n/// not keeping up. Replay-at-attach does NOT ride this bound (the writer thread\r\n/// owns the replay batch), so a viewer attaching to a busy session is not\r\n/// spuriously evicted.\r\nconst VIEWER_CHANNEL_DEPTH: usize = 256;\r\n\r\n/// Soft cap on concurrent viewers per session (REQ-HAZARD-VIEWER-ISOLATION:\r\n/// bounds the writer-thread count). A `Viewer` attach beyond the cap is refused.\r\nconst MAX_VIEWERS: usize = 32;\r\n\r\n/// Whether a viewer's bounded-queue `try_send` result demands EVICTION\r\n/// (REQ-HAZARD-VIEWER-ISOLATION): a `Full` queue (the viewer can't keep up with\r\n/// the live stream) or a `Disconnected` one (its writer thread ended after a\r\n/// dead socket). The drain evicts on either and NEVER blocks on a viewer — this\r\n/// is the pure decision the fan-out applies under the log lock.\r\n// [impl->REQ-HAZARD-VIEWER-ISOLATION]\r\nfn viewer_send_evicts<T>(r: &Result<(), TrySendError<T>>) -> bool {\r\n    r.is_err()\r\n}\r\n\r\n/// One read-only viewer's isolated sink (REQ-HAZARD-VIEWER-ISOLATION). The drain\r\n/// thread `try_send`s output frames into `tx` (a bounded queue); a dedicated\r\n/// `writer` thread does the BLOCKING socket write, so a wedged viewer backs up\r\n/// only its own queue — never the drain. When the queue overflows the sink is\r\n/// dropped (the `tx` closes → the writer ends) and removed from the map.\r\nstruct ViewerSink {\r\n    /// The bounded live-frame queue to this viewer's writer thread.\r\n    tx: SyncSender<Envelope>,\r\n    /// The viewer's IPC send half — kept ONLY for identity matching on detach\r\n    /// (a dropped brain connection removes its viewer rows); never written here.\r\n    send: SharedSend,\r\n    /// Set TRUE when this viewer is EVICTED for overflow (REQ-VIEWER-SKIP-TO-LIVE-ON-EVICT),\r\n    /// distinguishing an eviction from a normal teardown (session end / conn drop).\r\n    /// `append` stores `true` BEFORE dropping the sink (and thus `tx`); the writer,\r\n    /// on its `rx.recv()` Err, reads this and — when true — emits a\r\n    /// [`KIND_VIEWER_EVICTED`] marker (in the writer thread, OFF the log lock) so\r\n    /// the serving brain skips to live instead of tearing the attach down.\r\n    evicted: Arc<AtomicBool>,\r\n    /// The writer thread handle (held for ownership; it exits when `tx` drops or\r\n    /// a socket write fails).\r\n    _writer: JoinHandle<()>,\r\n}\r\n\r\n/// The controller live-frame channel depth (frames). Deeper than a viewer's\r\n/// queue because the controller is the AUTHORITATIVE view — unlike a viewer it is\r\n/// NOT evicted on a SINGLE full `try_send` (W1 / REQ-HAZARD-INJECT-CONTROL-COEXIST).\r\n/// b4: the drain does ONE non-blocking `try_send` per chunk and NEVER blocks; a\r\n/// merely-slow controller DROPS chunks + falls behind the ring, and only a channel\r\n/// that stays full for [`CONTROLLER_WRITE_DEADLINE`] (tracked via\r\n/// [`ControllerSink::last_ok`]) is detached. Generous so a momentary slow consumer\r\n/// never trips the deadline.\r\nconst CONTROLLER_CHANNEL_DEPTH: usize = 4096;\r\n\r\n/// How long a CONTROLLER's channel may stay FULL (no successful handoff since\r\n/// [`ControllerSink::last_ok`]) before the drain declares it stalled and detaches it\r\n/// (W1, refined by b4 / REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE). This\r\n/// BOUNDS the wedge: a backed-up controller falls behind for at most this long before\r\n/// eviction — never forever (the v0.12.x root) — and the drain NEVER blocks or sleeps\r\n/// (a single off-lock `try_send` per chunk; see [`OutputLog::append`]). A live but\r\n/// merely slow operator lands a frame before this elapses (resetting `last_ok`) and is\r\n/// untouched.\r\nconst CONTROLLER_WRITE_DEADLINE: Duration = Duration::from_secs(5);\r\n\r\n/// How long a controller's writer thread may sit BLOCKED inside a single socket\r\n/// write — the brain subscriber suspended / black-holed — before a take/reattach\r\n/// or the `KIND_SESSIONS` reap stall-evicts it (LIFECYCLE-TRUTH W2,\r\n/// REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE). Distinct from and 3× longer than\r\n/// [`CONTROLLER_WRITE_DEADLINE`] on PURPOSE (doyle ruling Q1): that 5 s bound\r\n/// protects the fan-out against ONE per-client conn falling behind and is\r\n/// output-driven (the drain observes a Full channel); THIS bound is measured\r\n/// full-with-**zero writer progress** and covers the case the output-driven path\r\n/// can't — an IDLE session whose brain-subscriber conn is suspended produces no\r\n/// output, so `append`/`mark_controller_gone` never runs, and the stalled\r\n/// controller would otherwise latch `driven_by` forever (reattach refused, `--take`\r\n/// blocked). The brain aggregates every session + psyche + WAN feed, so its drain\r\n/// is bursty; 15 s tolerates a normal burst-stall while still bounding the wedge.\r\n/// A slow-but-DRAINING brain never trips it — the clock only advances while a write\r\n/// is genuinely in flight past the deadline (see [`ControllerSink::write_blocked_since`]).\r\n// [impl->REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE]\r\nconst BRAIN_WRITE_DEADLINE: Duration = Duration::from_secs(15);\r\n\r\n/// The EFFECTIVE brain-write deadline. Production is [`BRAIN_WRITE_DEADLINE`]; the\r\n/// suspend-brain int rig shrinks it via `SPT_BRAIN_WRITE_DEADLINE_MS` so the\r\n/// structural outcome (a wedged controller is stall-evicted → take/reattach frees\r\n/// the slot) is provable in ~1 s instead of 15 (mirrors the\r\n/// `SPT_INJECT_COMMIT_DEADLINE_MS` env-knob precedent). Grants test wall-clock\r\n/// ONLY — never relaxes an assertion.\r\n// [impl->REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE]\r\nfn brain_write_deadline() -> Duration {\r\n    match std::env::var(\"SPT_BRAIN_WRITE_DEADLINE_MS\") {\r\n        Ok(ms) => ms\r\n            .parse::<u64>()\r\n            .map(Duration::from_millis)\r\n            .unwrap_or(BRAIN_WRITE_DEADLINE),\r\n        Err(_) => BRAIN_WRITE_DEADLINE,\r\n    }\r\n}\r","truncated":true,"truncatedBy":"lines","totalLines":5718,"totalBytes":11155,"outputLines":183,"outputBytes":11155,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"//! The broker kernel (B1 + B2) — the stable half of the broker/brain split.\r\n//!\r\n//! Per ADR-0004 §B the broker holds **only** the resources a live consumer\r\n//! would lose continuity on if the logic restarted: the PTY master+writer and\r\n//! the spawned child (both via [`spt_term::PtySession`]), and the accepted\r\n//! client / listening sockets. It runs **no logic** — no routing, registry,\r\n//! manifest parse, or lifecycle. It is a relay: spawn a child under a PTY,\r\n//! forward its output to the brain, inject the brain's input, report exit.\r\n//!\r\n//! ## Gapless handoff (B2 — the load-bearing invariant)\r\n//!\r\n//! A brain may be killed and restarted at any moment (a routine self-update, a\r\n//! crash). The broker — and every hosted child — must survive that untouched,\r\n//! and the new brain must re-attach to the output stream **gaplessly and\r\n//! exactly-once** (Spike #1 made real). Two mechanisms:\r\n//!\r\n//! - **Sequenced, buffered output.** Each session's output is appended to an\r\n//!   [`OutputLog`]: every chunk gets a monotonic per-session `seq` and is held\r\n//!   in a bounded ring. The current subscriber (a brain connection) receives\r\n//!   chunks live; all subscriber writes happen *under the log lock*, so frames\r\n//!   reach the brain in strict `seq` order with no interleave.\r\n//! - **Resume from a cursor.** A reconnecting brain sends `subscribe` with its\r\n//!   last-seen `seq + 1`; the broker replays the ring from there, then streams\r\n//!   live. The brain dedups by `seq`. Output produced *while no brain was\r\n//!   attached* sits in the ring and is replayed on the next subscribe — so a\r\n//!   brain restart loses nothing.\r\n//!\r\n//! Sessions are therefore **broker-owned and outlive any one connection**: a\r\n//! brain disconnect only detaches the subscriber; the child, its PTY, and the\r\n//! output log persist. A session leaves the table only when its child exits\r\n//! (reaped by the exit waiter) or is explicitly killed.\r\n// [impl->REQ-DAEMON-2]\r\n\r\nuse std::collections::{HashMap, HashSet, VecDeque};\r\nuse std::io;\r\nuse std::sync::atomic::{AtomicBool, AtomicU32, AtomicU64, Ordering};\r\nuse std::sync::mpsc::{channel, sync_channel, Receiver, RecvTimeoutError, Sender, SyncSender, TrySendError};\r\nuse std::sync::{Arc, Mutex};\r\nuse std::thread::{self, JoinHandle};\r\nuse std::time::{Duration, Instant};\r\n\r\nuse interprocess::local_socket::{prelude::*, SendHalf, Stream};\r\nuse spt_term::{Drain, PtySession, ScreenGrid, SessionSurface, SurfaceSize};\r\n\r\nuse spt_net::net::attach::AttachIntent;\r\nuse spt_net::net::endpoint::EndpointAddr;\r\nuse spt_store::perch::{resolve_perch_path, ParentHint};\r\n\r\nuse crate::codec::{read_frame, write_frame};\r\nuse crate::effect::{EffectJournal, EffectKey, EffectKind, Minter, Outcome};\r\nuse crate::frame::{Envelope, Role};\r\nuse crate::msg::{\r\n    applied_envelope, decode_bytes, displaced_envelope, endpoint_injected_envelope,\r\n    evicted_envelope, net_dialed_envelope, output_envelope,\r\n    size_envelope, subscribed_envelope, AdapterApplyReq, BrainRestarted, EndpointInputReq,\r\n    ErrorEvent, ExitEvent, InputReq, KillReq, NetDialReq, NetPresenceSubscribeReq, NetSent,\r\n    BrokerImageReply, StallEvictsReply, NetStatusReply, NetStreamOpenReq, NetStreamOpened, NetStreamSendReq, NetStreamSubscribeReq,\r\n    NetStreamsReply, MetMember, PairCodeSubmit, PairJoinReply, PairJoinReq, PairMeetReq, ResizeReq, SessionInfo, SessionsReply, SpawnReq,\r\n    Spawned, SubscribeOutcome, SubscribeReq, UnsubscribeReq, KIND_BRAIN_RESTART, KIND_BRAIN_RESTARTED, KIND_ENDPOINT_INPUT, KIND_ERROR, KIND_EXIT,\r\n    KIND_INPUT, KIND_KILL, KIND_NET_DIAL, KIND_NET_DIAL_LOOPBACK, KIND_NET_PRESENCE_SUBSCRIBE,\r\n    KIND_NET_SENT,\r\n    KIND_ADAPTER_APPLY, KIND_APPLIED,\r\n    KIND_BROKER_IMAGE, KIND_BROKER_IMAGE_REPLY, KIND_STALL_EVICTS, KIND_STALL_EVICTS_REPLY,\r\n    KIND_NET_STATUS, KIND_NET_STATUS_REPLY, KIND_NET_STREAMS, KIND_NET_STREAMS_REPLY,\r\n    KIND_NET_STREAM_OPEN, KIND_NET_STREAM_OPENED, KIND_NET_STREAM_SEND, KIND_NET_STREAM_SUBSCRIBE,\r\n    KIND_MET_MEMBER, KIND_PAIR_CODE_SUBMIT, KIND_PAIR_JOIN, KIND_PAIR_JOINED, KIND_PAIR_MEET, KIND_RESIZE, KIND_SESSIONS, KIND_SESSIONS_REPLY, KIND_SPAWN,\r\n    KIND_SPAWNED, KIND_SUBSCRIBE, KIND_UNSUBSCRIBE,\r\n};\r\nuse crate::nethost::{NetHost, NET_EFFECT_SESSION};\r\nuse crate::translation::{key_to_bytes, InjectFloor, KeyCmd, ToBinary, TranslationChild};\r\nuse crate::transport::{recv_hello, DaemonTransport, LocalSocketTransport};\r\n\r\n/// The shared, serialized send side of one brain connection. Output frames,\r\n/// replay frames, command acks, and exit/error events all write through this.\r\n/// `pub(crate)`: the net host's stream logs (D4b) live-send through the same\r\n/// handle under the same lock discipline.\r\npub(crate) type SharedSend = Arc<Mutex<SendHalf>>;\r\n\r\n/// Default bounded output-log depth (chunks). Large enough that a brain restart\r\n/// window never evicts unreplayed output in practice; the bound is what keeps a\r\n/// disconnected session from buffering without limit.\r\nconst DEFAULT_LOG_CHUNKS: usize = 4096;\r\n\r\n/// The viewer-channel depth (frames). A bounded SPSC queue per viewer; when it\r\n/// OVERFLOWS the viewer is evicted — the drain `try_send`s and never blocks\r\n/// (REQ-HAZARD-VIEWER-ISOLATION). Generous enough to absorb a normal render\r\n/// hiccup; a viewer that falls this far behind on the LIVE stream is genuinely\r\n/// not keeping up. Replay-at-attach does NOT ride this bound (the writer thread\r\n/// owns the replay batch), so a viewer attaching to a busy session is not\r\n/// spuriously evicted.\r\nconst VIEWER_CHANNEL_DEPTH: usize = 256;\r\n\r\n/// Soft cap on concurrent viewers per session (REQ-HAZARD-VIEWER-ISOLATION:\r\n/// bounds the writer-thread count). A `Viewer` attach beyond the cap is refused.\r\nconst MAX_VIEWERS: usize = 32;\r\n\r\n/// Whether a viewer's bounded-queue `try_send` result demands EVICTION\r\n/// (REQ-HAZARD-VIEWER-ISOLATION): a `Full` queue (the viewer can't keep up with\r\n/// the live stream) or a `Disconnected` one (its writer thread ended after a\r\n/// dead socket). The drain evicts on either and NEVER blocks on a viewer — this\r\n/// is the pure decision the fan-out applies under the log lock.\r\n// [impl->REQ-HAZARD-VIEWER-ISOLATION]\r\nfn viewer_send_evicts<T>(r: &Result<(), TrySendError<T>>) -> bool {\r\n    r.is_err()\r\n}\r\n\r\n/// One read-only viewer's isolated sink (REQ-HAZARD-VIEWER-ISOLATION). The drain\r\n/// thread `try_send`s output frames into `tx` (a bounded queue); a dedicated\r\n/// `writer` thread does the BLOCKING socket write, so a wedged viewer backs up\r\n/// only its own queue — never the drain. When the queue overflows the sink is\r\n/// dropped (the `tx` closes → the writer ends) and removed from the map.\r\nstruct ViewerSink {\r\n    /// The bounded live-frame queue to this viewer's writer thread.\r\n    tx: SyncSender<Envelope>,\r\n    /// The viewer's IPC send half — kept ONLY for identity matching on detach\r\n    /// (a dropped brain connection removes its viewer rows); never written here.\r\n    send: SharedSend,\r\n    /// Set TRUE when this viewer is EVICTED for overflow (REQ-VIEWER-SKIP-TO-LIVE-ON-EVICT),\r\n    /// distinguishing an eviction from a normal teardown (session end / conn drop).\r\n    /// `append` stores `true` BEFORE dropping the sink (and thus `tx`); the writer,\r\n    /// on its `rx.recv()` Err, reads this and — when true — emits a\r\n    /// [`KIND_VIEWER_EVICTED`] marker (in the writer thread, OFF the log lock) so\r\n    /// the serving brain skips to live instead of tearing the attach down.\r\n    evicted: Arc<AtomicBool>,\r\n    /// The writer thread handle (held for ownership; it exits when `tx` drops or\r\n    /// a socket write fails).\r\n    _writer: JoinHandle<()>,\r\n}\r\n\r\n/// The controller live-frame channel depth (frames). Deeper than a viewer's\r\n/// queue because the controller is the AUTHORITATIVE view — unlike a viewer it is\r\n/// NOT evicted on a SINGLE full `try_send` (W1 / REQ-HAZARD-INJECT-CONTROL-COEXIST).\r\n/// b4: the drain does ONE non-blocking `try_send` per chunk and NEVER blocks; a\r\n/// merely-slow controller DROPS chunks + falls behind the ring, and only a channel\r\n/// that stays full for [`CONTROLLER_WRITE_DEADLINE`] (tracked via\r\n/// [`ControllerSink::last_ok`]) is detached. Generous so a momentary slow consumer\r\n/// never trips the deadline.\r\nconst CONTROLLER_CHANNEL_DEPTH: usize = 4096;\r\n\r\n/// How long a CONTROLLER's channel may stay FULL (no successful handoff since\r\n/// [`ControllerSink::last_ok`]) before the drain declares it stalled and detaches it\r\n/// (W1, refined by b4 / REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE). This\r\n/// BOUNDS the wedge: a backed-up controller falls behind for at most this long before\r\n/// eviction — never forever (the v0.12.x root) — and the drain NEVER blocks or sleeps\r\n/// (a single off-lock `try_send` per chunk; see [`OutputLog::append`]). A live but\r\n/// merely slow operator lands a frame before this elapses (resetting `last_ok`) and is\r\n/// untouched.\r\nconst CONTROLLER_WRITE_DEADLINE: Duration = Duration::from_secs(5);\r\n\r\n/// How long a controller's writer thread may sit BLOCKED inside a single socket\r\n/// write — the brain subscriber suspended / black-holed — before a take/reattach\r\n/// or the `KIND_SESSIONS` reap stall-evicts it (LIFECYCLE-TRUTH W2,\r\n/// REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE). Distinct from and 3× longer than\r\n/// [`CONTROLLER_WRITE_DEADLINE`] on PURPOSE (doyle ruling Q1): that 5 s bound\r\n/// protects the fan-out against ONE per-client conn falling behind and is\r\n/// output-driven (the drain observes a Full channel); THIS bound is measured\r\n/// full-with-**zero writer progress** and covers the case the output-driven path\r\n/// can't — an IDLE session whose brain-subscriber conn is suspended produces no\r\n/// output, so `append`/`mark_controller_gone` never runs, and the stalled\r\n/// controller would otherwise latch `driven_by` forever (reattach refused, `--take`\r\n/// blocked). The brain aggregates every session + psyche + WAN feed, so its drain\r\n/// is bursty; 15 s tolerates a normal burst-stall while still bounding the wedge.\r\n/// A slow-but-DRAINING brain never trips it — the clock only advances while a write\r\n/// is genuinely in flight past the deadline (see [`ControllerSink::write_blocked_since`]).\r\n// [impl->REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE]\r\nconst BRAIN_WRITE_DEADLINE: Duration = Duration::from_secs(15);\r\n\r\n/// The EFFECTIVE brain-write deadline. Production is [`BRAIN_WRITE_DEADLINE`]; the\r\n/// suspend-brain int rig shrinks it via `SPT_BRAIN_WRITE_DEADLINE_MS` so the\r\n/// structural outcome (a wedged controller is stall-evicted → take/reattach frees\r\n/// the slot) is provable in ~1 s instead of 15 (mirrors the\r\n/// `SPT_INJECT_COMMIT_DEADLINE_MS` env-knob precedent). Grants test wall-clock\r\n/// ONLY — never relaxes an assertion.\r\n// [impl->REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE]\r\nfn brain_write_deadline() -> Duration {\r\n    match std::env::var(\"SPT_BRAIN_WRITE_DEADLINE_MS\") {\r\n        Ok(ms) => ms\r\n            .parse::<u64>()\r\n            .map(Duration::from_millis)\r\n            .unwrap_or(BRAIN_WRITE_DEADLINE),\r\n        Err(_) => BRAIN_WRITE_DEADLINE,\r\n    }\r\n}\r","startLine":1,"lineNumbers":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183]},"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":5718,"totalBytes":11155,"outputLines":183,"outputBytes":11155,"shownRange":{"start":1,"end":183},"nextOffset":184}}},"isError":false,"timestamp":1783657480360}}
{"type":"message","id":"3f2d393b","parentId":"d7043957","timestamp":"2026-07-10T04:24:40.453Z","message":{"role":"toolResult","toolCallId":"call_Pkly5npGhiGjUmmyqVHA9OTl|fc_0ec86a6c795d74b7016a5074083e108195976226be0a659476","toolName":"read","content":[{"type":"text","text":"[broker.rs#1F25]\n449:/// C-1 addendum (3), REQ-TRANSLATE-COMMIT-MISS-TOLERANCE). Under miss≠fault a\n450:/// respooled zero-record envelope (the checkpoint duplicate FIRE) redelivers on a\n451:/// later drain → misses again → would respool forever (infinite floor-holds +\n452:/// strike churn). So a missed envelope respools AT MOST ONCE; a second miss of the\n453:/// SAME envelope is DEAD-LETTERED (loud, still counts as a strike — never a silent\n454:/// drop; REQ-HAZARD-IDLE-SILENT-NONDELIVERY posture). A successful commit REMOVES\n455:/// the envelope from the set (it succeeded → a future miss may respool it afresh).\n456:#[derive(Debug, PartialEq, Eq)]\n457:enum MissRespool {\n458:    /// First miss of this envelope — respool it once and remember it.\n459:    Respool,\n460:    /// A repeat miss of an already-respooled envelope — dead-letter it, do NOT\n461:    /// respool again (still counts as a strike).\n462:    DeadLetter,\n463:}\n464:\n465:fn note_miss_respool(respooled_once: &mut HashSet<String>, envelope: &str) -> MissRespool {\n466:    if respooled_once.contains(envelope) {\n467:        MissRespool::DeadLetter\n468:    } else {\n469:        respooled_once.insert(envelope.to_string());\n470:        MissRespool::Respool\n471:    }\n472:}\n473:\n474:/// Pure strike-budget verdict: a MISS becomes a REAL fault once `strikes` reaches\n475:/// the `budget` (F029 C-1, REQ-TRANSLATE-COMMIT-MISS-TOLERANCE). Below the budget\n476:/// the miss is tolerated (binary preserved, worker continues).\n477:fn miss_strikes_exhausted(strikes: u32, budget: u32) -> bool {\n478:    strikes >= budget\n479:}\n480:\n481:/// The interactive CONTROLLER's isolated sink (W1 / REQ-HAZARD-INJECT-CONTROL-COEXIST).\n482:/// Symmetric with [`ViewerSink`] — a dedicated writer thread does the BLOCKING\n483:/// socket write so a backed-up controller can never stall the session drain\n484:/// thread (the v0.12.x wedge: the controller write was inline on the drain,\n485:/// holding `Mutex<OutputLog>`). Unlike a viewer it is AUTHORITATIVE: its writer\n486:/// advances `delivered_through` on each successful write, and it is never evicted\n487:/// on a single full `try_send` — only after [`CONTROLLER_WRITE_DEADLINE`].\n488:struct ControllerSink {\n489:    /// The bounded live-frame queue to the controller's writer thread.\n490:    tx: SyncSender<CtrlMsg>,\n491:    /// The controller's IPC send half — kept for identity matching on detach and\n492:    /// for the `exit`-frame fan-out ([`OutputLog::all_sinks`]).\n493:    send: SharedSend,\n494:    /// The controller's identity: `Some(node)` = a remote operator, `None` =\n495:    /// local (the brain's spawn-reader / resume). Ownership keys on this.\n496:    by: Option<String>,\n497:    /// Time of the last SUCCESSFUL handoff (`try_send` Ok) to this controller's\n498:    /// writer channel (b4, REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE).\n499:    /// The drain does a SINGLE non-blocking `try_send` per chunk and NEVER sleeps;\n500:    /// a channel that stays Full for [`CONTROLLER_WRITE_DEADLINE`] PAST this stamp\n501:    /// evicts the stalled controller (bounded wedge preserved), while a slow-but-\n502:    /// alive controller just drops the chunk + falls behind the ring (resume-from-\n503:    /// floor). Seeded `now` at [`OutputLog::become_controller`].\n504:    last_ok: Instant,\n505:    /// The writer's IN-FLIGHT socket-write marker (LIFECYCLE-TRUTH W2,\n506:    /// REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE): the `controller_writer` sets it to\n507:    /// `Some(Instant::now())` immediately BEFORE it enters a blocking `write_frame`\n508:    /// and back to `None` the instant the write returns. A reader\n509:    /// ([`OutputLog::controller_stalled`]) sees a `Some` older than\n510:    /// [`BRAIN_WRITE_DEADLINE`] as a writer WEDGED on a suspended/black-holed brain\n511:    /// conn and stall-evicts it — the signal `last_ok` (channel-handoff time) cannot\n512:    /// give: an IDLE controller (writer parked on `rx.recv()`, `None` here) and a\n513:    /// BLOCKED one (writer stuck in the socket write, `Some` here) both leave\n514:    /// `last_ok` stale. `Arc<Mutex<…>>` so the reader observes the writer's live\n515:    /// state; the mutex is taken only around the brief set/clear and the read, never\n516:    /// held across the socket write itself.\n517:    write_blocked_since: Arc<Mutex<Option<Instant>>>,\n518:    /// The writer thread handle (held for ownership; exits when `tx` drops — the\n519:    /// drain's bounded `send_timeout` then sees `Disconnected` and detaches — or\n520:    /// when a socket write fails).\n521:    _writer: JoinHandle<()>,\n522:}\n523:\n524:/// A bounded, sequenced output log for one session — the gapless-resume buffer\n525:/// AND the W2.5 controller/viewer fan-out hub (REQ-RCVIEW-1).\n526:///\n527:/// The session's single drain thread is the only producer ([`OutputLog::append`]).\n528:/// Output fans out to ONE interactive `controller` (the authoritative,\n529:/// cursor-advancing, blocking path) plus ANY NUMBER of read-only `viewers` (each\n530:/// an isolated bounded queue + writer thread, evicted on overflow). Every\n531:/// controller send and viewer `try_send` happens while the enclosing\n532:/// `Mutex<OutputLog>` is held, so frames reach each sink in strict `seq` order.\n533:struct OutputLog {\n534:    session_id: u64,\n535:    next_seq: u64,\n536:    ring: VecDeque<(u64, Vec<u8>)>,\n537:    cap_chunks: usize,\n538:    /// The single interactive controller's isolated sink (W1: a dedicated writer\n539:    /// thread + bounded channel + authoritative cursor). `None` ⇒ undriven. The\n540:    /// controller's identity (`Some(node)` remote / `None` local) lives in\n541:    /// [`ControllerSink::by`] and keys ownership — a same-`by` re-subscribe\n542:    /// silently re-takes (no `Displaced`, the gate-#7 self-kick guard); only a\n543:    /// DIFFERENT remote's `Take` displaces.\n544:    controller: Option<ControllerSink>,\n545:    /// Monotonic controller generation, shared with the live `controller_writer`\n546:    /// thread (`Arc<AtomicU64>`). Bumped on every [`become_controller`]; the\n547:    /// drain's deadline-evict ([`mark_controller_gone`]) carries the epoch it\n548:    /// observed and only detaches if it still matches — so a slow-controller\n549:    /// timeout can never unseat a NEWER controller that attached meanwhile. The\n550:    /// writer snapshots its own epoch and returns the moment this value moves past\n551:    /// it, so a SUPERSEDED writer flushes no further frames (P1c, single live\n552:    /// writer per connection, [`REQ-HAZARD-CONTROLLER-WRITER-REORDER`]).\n553:    controller_epoch: Arc<AtomicU64>,\n554:    /// The read-only viewers, keyed by a broker-minted viewer id.\n555:    viewers: HashMap<u64, ViewerSink>,\n556:    /// Monotonic viewer-id source.\n557:    next_viewer_id: u64,\n558:    /// The owning endpoint (the spawn's label; empty = unlabeled / raw test).\n559:    /// The broker is the SINGLE writer of `driven_by` + `viewer_count` on this\n560:    /// perch (REQ-RCVIEW-1, resolves the clear-race); empty ⇒ nowhere to stamp.\n561:    endpoint: String,\n562:    /// Last-known PTY size — seeded at spawn, updated on a controller resize.\n563:    /// Pushed to a viewer on attach + to all viewers on resize (the letterbox\n564:    /// feed); the broker holds it since the PTY exposes no size getter.\n565:    size: (u16, u16),\n566:    /// Cursor-of-record (restoration D4-1, ADR-0018 Q6): the next seq a\n567:    /// re-attaching CONTROLLER still needs (= highest seq **successfully written**\n568:    /// to the controller, +1). It is **log** state, not subscriber state, so it\n569:    /// **survives `detach_if`** — a dead brain leaves its resume point behind, and\n570:    /// a cold-starting brain reads it (via `KIND_SESSIONS` → `resume_seq`) instead\n571:    /// of replaying the whole ring from 0. **Viewer writes NEVER move it**\n572:    /// (REQ-RCVIEW-1: the brain-resume cursor tracks the controller only).\n573:    ///\n574:    /// **Advanced only on a successful socket write** (`Ok`), and **monotonic**\n575:    /// (never decreases) — see [`advanced_cursor`]. Both invariants are\n576:    /// load-bearing for at-least-once output: advancing past a *failed* write to a\n577:    /// dying-but-not-yet-detached controller would make resume skip that chunk\n578:    /// forever (at-least-once → at-most-once); decreasing on a deliberate\n579:    /// `attach(sub, 0)` rewind-replay would reset the resume point under a live\n580:    /// reader.\n581:    ///\n582:    /// W1: now an `Arc<AtomicU64>` shared with the controller's writer thread,\n583:    /// which advances it (via [`advanced_cursor`], CAS-monotonic) as it writes —\n584:    /// the cursor moved off the drain thread with the controller delivery itself.\n585:    delivered_through: Arc<AtomicU64>,\n586:    /// The server-side **render grid** (#6 / REQ-BROKER-SCREEN-GRID, ADR-0031):\n587:    /// the authoritative CURRENT SCREEN, interpreted from the same byte stream the\n588:    /// ring records. Fed on the drain path in [`append`], AFTER the fan-out (so it\n589:    /// never adds latency to controller/viewer delivery — hazard 7.12). A cold\n590:    /// attach's initial batch is a single synthesized [`ScreenGrid::render_repaint`]\n591:    /// instead of the raw ring, so replaying an alt-screen TUI into a fresh terminal\n592:    /// no longer corrupts scrollback. Single-writer (the one drain thread), mirroring\n593:    /// the ring's single producer.\n594:    grid: ScreenGrid,\n595:}\n596:\n597:/// The post-write resume cursor (pure — the D4-1 unit kernel, mirroring\n598:/// `brainproc::consumer_gate`/`next_backoff`): advance to `seq + 1` **only** on a\n599:/// successful write, and **monotonically** (never below `current`). A failed\n600:/// write (`write_ok == false`) leaves the cursor untouched, and a re-send of an\n601:/// already-delivered `seq` (an `attach(sub, 0)` rewind, `seq + 1 <= current`)\n602:/// cannot lower it. This is the exact decision the `let _ = write_frame(...)`\n603:/// swallow used to drop (doyle D4-1 amendments 1–3).\n604:// [impl->REQ-HAZARD-BROKER-PROCESS-ISOLATION]\n605:fn advanced_cursor(current: u64, seq: u64, write_ok: bool) -> u64 {\n606:    if write_ok {\n607:        current.max(seq + 1)\n608:    } else {\n609:        current\n610:    }\n611:}\n612:\n613:/// Pure divergence decision for the control/viewer stamp convergence\n614:/// (REQ-HAZARD-CONTROL-STAMP-CONVERGENCE): does the perch's RECORDED\n615:/// (`driven_by`, `controlled`, `viewer_count`) differ from the live session TRUTH?\n616:/// Returns `(control_write_needed, viewer_write_needed)` — the divergence gate that\n617:/// keeps the per-poll re-assert from writing (fsync) when nothing changed.\n618:// [impl->REQ-HAZARD-CONTROL-STAMP-CONVERGENCE]\n619:fn stamp_divergence(\n620:    rec_driven_by: Option<&str>,\n621:    rec_controlled: bool,\n622:    rec_viewers: u32,\n623:    want_driven_by: Option<&str>,\n624:    want_controlled: bool,\n625:    want_viewers: u32,\n626:) -> (bool, bool) {\n627:    let control = rec_driven_by != want_driven_by || rec_controlled != want_controlled;\n628:    let viewer = rec_viewers != want_viewers;\n629:    (control, viewer)\n630:}\n631:\n632:/// Converge a perch's control/viewer stamps to the live session truth, OFF any log\n633:/// lock (REQ-HAZARD-CONTROL-STAMP-CONVERGENCE). The broker stays the single writer;\n634:/// this closes the STAMP-BEFORE-BIND loss — a picker-created endpoint's spawn stamps\n635:/// `controlled=true` BEFORE the adapter binds its perch, so `mutate_info` returns\n636:/// `NotFound` and the edge stamp is swallowed; the adapter's bind then writes\n637:/// `controlled:false` and no later edge re-stamps, so the endpoint reads uncontrolled\n638:/// forever while driven. This DIVERGENCE-GATED re-assert (on the `KIND_SESSIONS` poll,\n639:/// bounded by the reconcile cadence) writes ONLY on a real difference — no fsync storm.\n640:/// Best-effort: an unbound / corrupt / perch-less endpoint has nowhere to converge yet.\n641:// [impl->REQ-HAZARD-CONTROL-STAMP-CONVERGENCE]\n642:fn converge_perch_stamps(\n643:    endpoint: &str,\n644:    want_driven_by: Option<&str>,\n645:    want_controlled: bool,\n646:    want_viewers: u32,\n647:) {\n648:    if endpoint.is_empty() {\n649:        return;\n650:    }\n651:    let perch = resolve_perch_path(endpoint, ParentHint::Infer);\n652:    let Some(rec) = spt_store::info::read_info(&perch) else {\n653:        return; // perch not bound yet (the pre-bind window) / corrupt — nothing to gate on\n654:    };\n655:    let (control, viewer) = stamp_divergence(\n656:        rec.driven_by.as_deref(),\n657:        rec.controlled,\n658:        rec.viewer_count.unwrap_or(0),\n659:        want_driven_by,\n660:        want_controlled,\n661:        want_viewers,\n662:    );\n663:    if control {\n664:        let _ = spt_store::info::set_driven_by(&perch, want_driven_by);\n665:        let _ = spt_store::info::set_controlled(&perch, want_controlled);\n666:    }\n667:    if viewer {\n668:        let _ = spt_store::info::set_viewer_count(&perch, want_viewers);\n669:    }\n670:}\n671:\n672:impl OutputLog {\n673:    fn new(session_id: u64, cap_chunks: usize, endpoint: String, size: (u16, u16)) -> Self {\n674:        OutputLog {\n675:            session_id,\n676:            next_seq: 0,\n677:            ring: VecDeque::new(),\n678:            cap_chunks,\n679:            controller: None,\n680:            controller_epoch: Arc::new(AtomicU64::new(0)),\n681:            viewers: HashMap::new(),\n682:            next_viewer_id: 0,\n683:            endpoint,\n684:            size,\n685:            delivered_through: Arc::new(AtomicU64::new(0)),\n686:            grid: ScreenGrid::new(size.0, size.1),\n687:        }\n688:    }\n689:\n690:    /// The synthesized clean-repaint initial batch (#6, ADR-0031): a single frame\n691:    /// carrying the current screen at pseudo-seq `next_seq - 1`.\n692:    ///\n693:    /// **Scoped to a COLD attach (`from_seq == 0`)** — the `spt rc` / `endpoint run\n694:    /// --attach` case #6 is about (attach to an already-producing TUI). A\n695:    /// resume-from-floor re-fetch (`from_seq > 0`, a controller recovering a b4\n696:    /// drop-don't-block gap) is deliberately NOT repainted: it keeps the raw-ring\n697:    /// exactly-once replay + the strict reject-gap + the irrecoverable-behind\n698:    /// detection untouched (REQ-HAZARD-CONTROLLER-GAP-RESUME / B2). `None` also when\n699:    /// nothing has been produced yet (`next_seq == 0`) → an empty initial batch, so\n700:    /// the first live frame is the contiguous seq 0 (the spawn seat, unchanged).\n701:    fn repaint_initial(&self, from_seq: u64) -> Option<(u64, Vec<u8>)> {\n702:        if from_seq != 0 || self.next_seq == 0 {\n703:            return None;\n704:        }\n705:        Some((self.next_seq - 1, self.grid.render_repaint()))\n706:    }\n707:\n708:    /// Append a freshly-produced output chunk: assign the next `seq`, retain it in\n709:    /// the bounded ring, then FAN OUT to viewers AND the controller — both a SINGLE\n710:    /// non-blocking `try_send`, so the drain NEVER blocks/sleeps here. Returns\n711:    /// `Some(epoch)` when the controller must be EVICTED (stalled past the deadline,\n712:    /// or its writer is gone) so the drain can `mark_controller_gone(epoch)` OFF the\n713:    /// log lock; `None` otherwise.\n714:    ///\n715:    /// b4 (REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE): W1 moved the\n716:    /// controller SOCKET WRITE off the drain (the `controller_writer` thread) but\n717:    /// left the HANDOFF as an inline sleep-poll (`ControllerJob::deliver`, up to\n718:    /// `CONTROLLER_WRITE_DEADLINE`) ON the drain — so a controller draining slower\n719:    /// than the PTY floods filled its channel, the inline poll throttled the drain,\n720:    /// and the viewer fan-out below stopped running → a concurrent `rc --view`\n721:    /// VIEWER starved. Now the controller handoff is ONE non-blocking `try_send`\n722:    /// exactly like a viewer: the drain runs at full PTY speed regardless of\n723:    /// controller speed. A slow-but-alive controller DROPS the chunk + falls behind\n724:    /// the ring (resume-from-floor); a controller Full for `CONTROLLER_WRITE_DEADLINE`\n725:    /// since its last successful handoff (`ControllerSink::last_ok`) is evicted\n726:    /// (bounded wedge preserved). The writer still does the blocking socket write +\n727:    /// advances the authoritative CONTIGUOUS cursor. Called only from the session's\n728:    /// single drain thread.\n729:    // [impl->REQ-HAZARD-INJECT-CONTROL-COEXIST]\n730:    // [impl->REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE]\n731:    #[must_use]\n732:    /// Coherence clamp for a poison-RECOVERED ring (B-1, doyle ruling; run only by\n733:    /// [`recover_log`] on the recovery path). A panic mid-[`append`] can leave the\n734:    /// ring torn — an over-cap ring (interrupted prune), a last seq not below\n735:    /// `next_seq`, or a non-monotonic front/back — and serving those bytes blind\n736:    /// risks garbage to a subscriber. Cheap-check the ring invariants (counts within\n737:    /// cap, indices ordered and below `next_seq`); on ANY violation RESET the ring\n738:    /// EMPTY (+ loud log) — `next_seq` is left intact so cursors never rewind, and the\n739:    /// lost scrollback self-heals on the next PTY output + repaint. Returns `true`\n740:    /// iff it reset. A coherent ring (the common case — most panics fire OUTSIDE the\n741:    /// ring mutation, poisoning the lock while the buffer stays intact) is untouched.\n742:    // [impl->REQ-HAZARD-BROKER-FLOOR-LOCK-POISON]\n743:    fn clamp_or_reset(&mut self) -> bool {\n744:        let within_cap = self.ring.len() <= self.cap_chunks;\n745:        let last_below_next = match self.ring.back() {\n746:            Some(&(last, _)) => last < self.next_seq,\n747:            None => true,\n748:        };\n749:        let ordered = match (self.ring.front(), self.ring.back()) {\n750:            (Some(&(front, _)), Some(&(back, _))) => front <= back,\n751:            _ => true,\n752:        };\n753:        if within_cap && last_below_next && ordered {\n754:            return false;\n755:        }\n756:        let had = self.ring.len();\n757:        self.ring.clear();\n758:        eprintln!(\n759:            \"broker: session {} output ring was torn by a poison-recover \\\n760:             (had {had} chunks, next_seq {}); reset to empty — scrollback self-heals \\\n761:             on the next output [REQ-HAZARD-BROKER-FLOOR-LOCK-POISON]\",\n762:            self.session_id, self.next_seq\n763:        );\n764:        true\n765:    }\n766:\n767:    /// The current high-water sequence (the next seq to be appended) — the snapshot\n768:    /// point for the inject leg's settle-gate + echo-verify (REQ-INJECT-MULTILINE-\n769:    /// INTEGRITY). A rising high-water since a baseline == the PTY produced output.\n770:    fn high_water(&self) -> u64 {\n771:        self.next_seq\n772:    }\n773:\n774:    /// Concatenate ring bytes at or after `from_seq` — the output PRODUCED since a\n775:    /// snapshot, used to confirm a settle probe echoed (readiness, Layer 1) and that\n776:    /// a typed payload's head echoed back (integrity, Layer 2). Best-effort: bytes\n777:    /// pruned out of the bounded ring are simply absent (the echo we look for is\n778:    /// recent, well within cap).\n779:    fn bytes_since(&self, from_seq: u64) -> Vec<u8> {\n780:        let mut out = Vec::new();\n781:        for (seq, chunk) in self.ring.iter() {\n782:            if *seq >= from_seq {\n783:                out.extend_from_slice(chunk);\n784:            }\n785:        }\n786:        out\n787:    }\n788:\n789:    fn append(&mut self, bytes: &[u8]) -> Option<u64> {\n790:        let seq = self.next_seq;\n791:        self.next_seq += 1;\n792:        self.ring.push_back((seq, bytes.to_vec()));\n793:        while self.ring.len() > self.cap_chunks {\n794:            self.ring.pop_front();\n795:        }\n796:        let frame = output_envelope(self.session_id, seq, bytes);\n797:        // Viewers: non-blocking fan-out; a full / disconnected queue = eviction.\n798:        if !self.viewers.is_empty() {\n799:            let mut evicted: Vec<u64> = Vec::new();\n800:            for (vid, sink) in self.viewers.iter() {\n801:                if viewer_send_evicts(&sink.tx.try_send(frame.clone())) {\n802:                    evicted.push(*vid);\n803:                }\n804:            }\n805:            if !evicted.is_empty() {\n806:                for vid in evicted {\n807:                    // Mark eviction BEFORE dropping the sink: the writer's\n808:                    // `rx.recv()` then returns Err (tx dropped) and reads this flag\n809:                    // to emit a KIND_VIEWER_EVICTED marker (skip-to-live, off the\n810:                    // log lock) instead of dying silently (REQ-VIEWER-SKIP-TO-LIVE-ON-EVICT).\n811:                    if let Some(sink) = self.viewers.remove(&vid) {\n812:                        sink.evicted.store(true, Ordering::Release);\n813:                    }\n814:                }\n815:                self.stamp_viewer_count();\n816:            }\n817:        }\n818:        // Controller: the SAME non-blocking discipline as a viewer (b4). One\n819:        // `try_send`, never a sleep. Ok → record the handoff time. Full → DROP (a\n820:        // slow controller falls behind the ring) unless it has been Full for the\n821:        // whole deadline since its last success → EVICT. Disconnected (writer gone)\n822:        // → EVICT. The drain off-lock turns `Some(epoch)` into `mark_controller_gone`.\n823:        let now = Instant::now();\n824:        let epoch = self.controller_epoch.load(Ordering::Acquire);\n825:        let result = if let Some(c) = self.controller.as_mut() {\n826:            match c.tx.try_send(CtrlMsg::Output(seq, frame)) {\n827:                Ok(()) => {\n828:                    c.last_ok = now;\n829:                    None\n830:                }\n831:                Err(TrySendError::Full(_)) => {\n832:                    if now.duration_since(c.last_ok) >= CONTROLLER_WRITE_DEADLINE {\n833:                        Some(epoch) // stalled past the deadline → bounded detach\n834:                    } else {\n835:                        None // drop this chunk; controller falls behind the ring\n836:                    }\n837:                }\n838:                Err(TrySendError::Disconnected(_)) => Some(epoch),\n839:            }\n840:        } else {\n841:            None\n842:        };\n843:        // Advance the render grid AFTER the fan-out — it must never sit between the\n844:        // drain and the controller/viewer `try_send` (REQ-HAZARD-INJECT-CONTROL-COEXIST\n845:        // 7.12). The grid is single-writer (this one drain thread); `render_repaint`\n846:        // snapshots it under the same short log lock only when an attach requests it.\n847:        self.grid.advance(bytes);\n848:        result\n849:    }\n850:\n851:    /// The current controller's identity (`Some(node)` remote / `None` local),\n852:    /// or `None` when undriven. The `by`-keyed ownership logic in\n853:    /// [`resolve_subscribe`] reads this.\n854:    fn controller_by(&self) -> Option<&str> {\n855:        self.controller.as_ref().and_then(|c| c.by.as_deref())\n856:    }\n857:\n858:    /// Whether ANY controller currently drives this session (the `controlled`\n859:    /// any-controller truth — REQ-HAZARD-CONTROL-STAMP-CONVERGENCE). Snapshotted under\n860:    /// the log lock, then converged onto the perch OFF the lock.\n861:    fn has_controller(&self) -> bool {\n862:        self.controller.is_some()\n863:    }\n864:\n865:    /// The live viewer count (the `viewer_count` truth). Snapshotted under the log lock\n866:    /// for the convergence re-assert.\n867:    fn live_viewer_count(&self) -> u32 {\n868:        self.viewers.len() as u32\n869:    }\n870:\n871:    /// Become (or silently re-take) the interactive controller from `from_seq`.\n872:    ///\n873:    /// W1: the ring replay is now the INITIAL BATCH of a dedicated controller\n874:    /// writer thread (symmetric with [`add_viewer`]) — it is no longer written\n875:    /// inline under the log lock. The writer thread advances the authoritative\n876:    /// `delivered_through` cursor as it writes (D4-1: only on a successful write,\n877:    /// monotonic, never the unsent tail). Dropping any prior [`ControllerSink`]\n878:    /// ends its writer's LIVE loop when `tx` drops; bumping `controller_epoch`\n879:    /// additionally makes a stale deadline-evict a no-op AND stops a superseded\n880:    /// writer mid-INITIAL-BATCH (P1c — a writer still flushing its owned `initial`\n881:    /// batch ignores the dropped `tx`, so the epoch gate is what guarantees a\n882:    /// single live writer per connection and a monotonic on-wire seq stream,\n883:    /// [`REQ-HAZARD-CONTROLLER-WRITER-REORDER`]). Stamps `driven_by` to the new\n884:    /// controller's identity.\n885:    fn become_controller(&mut self, sub: SharedSend, by: Option<String>, from_seq: u64) {\n886:        // Drop the prior controller sink first (its writer's live loop ends when\n887:        // tx drops), and bump the generation so (a) an in-flight deadline-evict\n888:        // for the old controller can't unseat this one and (b) a prior writer\n889:        // still flushing its initial batch returns before its next frame.\n890:        self.controller = None;\n891:        let epoch = self.controller_epoch.fetch_add(1, Ordering::AcqRel) + 1;\n892:        // #6 (ADR-0031): a COLD attach's initial batch is a single synthesized clean\n893:        // repaint of the CURRENT SCREEN (at pseudo-seq `next_seq - 1`) instead of the\n894:        // raw ring — replaying an alt-screen TUI's raw ring into a fresh terminal is\n895:        // exactly the corruption #6/#7/#8 report. A resume-from-floor (`from_seq > 0`)\n896:        // keeps the raw-ring exactly-once re-fetch untouched (B2). Either way the\n897:        // batch is owned by the writer thread (never pushed through the live channel —\n898:        // it must not block the drain); live frames stream raw + in-order afterwards.\n899:        let initial: Vec<(u64, Vec<u8>)> = match self.repaint_initial(from_seq) {\n900:            Some(repaint) => vec![repaint],\n901:            None => self\n902:                .ring\n903:                .iter()\n904:                .filter(|(s, _)| *s >= from_seq)\n905:                .cloned()\n906:                .collect(),\n907:        };\n908:        let (tx, rx) = sync_channel::<CtrlMsg>(CONTROLLER_CHANNEL_DEPTH);\n909:        let writer_send = Arc::clone(&sub);\n910:        let dt = Arc::clone(&self.delivered_through);\n911:        let epoch_gate = Arc::clone(&self.controller_epoch);\n912:        let sid = self.session_id;\n913:        // W2 decouple: the writer publishes its in-flight-write window here so a\n914:        // stall-evict can distinguish a wedged writer from an idle one.\n915:        let write_blocked_since = Arc::new(Mutex::new(None));\n916:        let writer_blocked = Arc::clone(&write_blocked_since);\n917:        let writer = thread::spawn(move || {\n918:            controller_writer(sid, writer_send, initial, rx, dt, epoch, epoch_gate, writer_blocked)\n919:        });\n920:        self.controller = Some(ControllerSink {\n921:            tx,\n922:            send: sub,\n923:            by,\n924:            last_ok: Instant::now(),\n925:            write_blocked_since,\n926:            _writer: writer,\n927:        });\n928:        self.stamp_driven_by();\n929:    }\n930:\n931:    /// Detach the controller and UNLATCH the perch — the ONE unlatch path shared\n932:    /// by W1's deadline-evict ([`mark_controller_gone`]), [`detach_if`], and (per\n933:    /// the W1↔W5 synergy) W5's reconcile self-heal. Dropping the sink ends its\n934:    /// writer thread; clearing the slot re-stamps `driven_by` to `None` (so an\n935:    /// `ONLINE+CONTROLLED` latch cannot outlive a gone controller).\n936:    fn clear_controller(&mut self) {\n937:        if self.controller.take().is_some() {\n938:            self.stamp_driven_by();\n939:        }\n940:    }\n941:\n942:    /// B-2 (REQ-CONTROLLER-LIVENESS-REAP): lazily drop a controller whose WRITER\n943:    /// THREAD has EXITED — the record-vs-truth honesty step, run on the authoritative\n944:    /// `KIND_SESSIONS` poll BEFORE `controller_by`/`has_controller` are read. The\n945:    /// writer exits when a socket write fails (a severed / keepalive-killed controller\n946:    /// conn) or its `tx` drops; while it is parked on `rx.recv()` (a LIVE but idle\n947:    /// controller) it is NOT finished, so a live controller is never touched (the\n948:    /// no-false-reap guard). Reaping here makes the broker report honest truth so the\n949:    /// EXISTING [`converge_perch_stamps`] clears the now-stale info.json\n950:    /// `driven_by`/`controlled` stamp — no new detach path, no new query.\n951:    ///\n952:    /// LOCK-SAFE: this runs UNDER the log lock in the snapshot closure, so it must do\n953:    /// NO file I/O (the lock-across-effect discipline, KH 7.12/5.16). It drops the\n954:    /// sink in-memory ONLY (like [`become_controller`]'s prior-drop) and does NOT\n955:    /// [`stamp_driven_by`] — the OFF-lock `converge_perch_stamps` writes the honest\n956:    /// stamp. Returns true iff it reaped.\n957:    ///\n958:    /// SCOPE (doyle B-2 reduction): catches a writer that FAILED A WRITE (output was\n959:    /// flowing when the conn severed) or whose detach was dropped by a prior wedge\n960:    /// (the B-1 poison class). A TRULY IDLE severed controller (writer parked on recv,\n961:    /// no output, conn not yet EOF'd) stays `is_finished() == false` and converges\n962:    /// only once output resumes or the conn EOFs (→ `handle_conn` detach) — that\n963:    /// harder active-probe case is the reserved [`REQ-HAZARD-DRIVEN-BY-IDLE-REMOTE-EVICT`],\n964:    /// deliberately NOT built here. KH 7.15 held by construction: only ever CLEARS,\n965:    /// never latches `driven_by`.\n966:    // [impl->REQ-CONTROLLER-LIVENESS-REAP]\n967:    fn reap_dead_controller(&mut self) -> bool {\n968:        let dead = self\n969:            .controller\n970:            .as_ref()\n971:            .is_some_and(|c| c._writer.is_finished());\n972:        if dead {\n973:            // In-memory drop only (ends the — already-exited — writer); NO stamp here\n974:            // (info.json I/O under the log lock is the KH 7.12 hazard). converge does it.\n975:            self.controller = None;\n976:            return true;\n977:        }\n978:        // W2 decouple (REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE): a controller whose\n979:        // writer is BLOCKED (not exited) on a suspended brain conn past\n980:        // BRAIN_WRITE_DEADLINE is also reaped here, so the honest `KIND_SESSIONS`\n981:        // truth + the off-lock converge_perch_stamps release its stale `driven_by`\n982:        // stamp even when nobody take/reattaches. Deferred stamp: the reap runs in\n983:        // the multi-session snapshot closure (no I/O under the shared sessions lock).\n…\n985:    }\n…\n1317:}\n\n[Showing lines 449-983 of 5718. Use :984 to continue]"}],"details":{"truncation":{"content":"/// C-1 addendum (3), REQ-TRANSLATE-COMMIT-MISS-TOLERANCE). Under miss≠fault a\r\n/// respooled zero-record envelope (the checkpoint duplicate FIRE) redelivers on a\r\n/// later drain → misses again → would respool forever (infinite floor-holds +\r\n/// strike churn). So a missed envelope respools AT MOST ONCE; a second miss of the\r\n/// SAME envelope is DEAD-LETTERED (loud, still counts as a strike — never a silent\r\n/// drop; REQ-HAZARD-IDLE-SILENT-NONDELIVERY posture). A successful commit REMOVES\r\n/// the envelope from the set (it succeeded → a future miss may respool it afresh).\r\n#[derive(Debug, PartialEq, Eq)]\r\nenum MissRespool {\r\n    /// First miss of this envelope — respool it once and remember it.\r\n    Respool,\r\n    /// A repeat miss of an already-respooled envelope — dead-letter it, do NOT\r\n    /// respool again (still counts as a strike).\r\n    DeadLetter,\r\n}\r\n\r\nfn note_miss_respool(respooled_once: &mut HashSet<String>, envelope: &str) -> MissRespool {\r\n    if respooled_once.contains(envelope) {\r\n        MissRespool::DeadLetter\r\n    } else {\r\n        respooled_once.insert(envelope.to_string());\r\n        MissRespool::Respool\r\n    }\r\n}\r\n\r\n/// Pure strike-budget verdict: a MISS becomes a REAL fault once `strikes` reaches\r\n/// the `budget` (F029 C-1, REQ-TRANSLATE-COMMIT-MISS-TOLERANCE). Below the budget\r\n/// the miss is tolerated (binary preserved, worker continues).\r\nfn miss_strikes_exhausted(strikes: u32, budget: u32) -> bool {\r\n    strikes >= budget\r\n}\r\n\r\n/// The interactive CONTROLLER's isolated sink (W1 / REQ-HAZARD-INJECT-CONTROL-COEXIST).\r\n/// Symmetric with [`ViewerSink`] — a dedicated writer thread does the BLOCKING\r\n/// socket write so a backed-up controller can never stall the session drain\r\n/// thread (the v0.12.x wedge: the controller write was inline on the drain,\r\n/// holding `Mutex<OutputLog>`). Unlike a viewer it is AUTHORITATIVE: its writer\r\n/// advances `delivered_through` on each successful write, and it is never evicted\r\n/// on a single full `try_send` — only after [`CONTROLLER_WRITE_DEADLINE`].\r\nstruct ControllerSink {\r\n    /// The bounded live-frame queue to the controller's writer thread.\r\n    tx: SyncSender<CtrlMsg>,\r\n    /// The controller's IPC send half — kept for identity matching on detach and\r\n    /// for the `exit`-frame fan-out ([`OutputLog::all_sinks`]).\r\n    send: SharedSend,\r\n    /// The controller's identity: `Some(node)` = a remote operator, `None` =\r\n    /// local (the brain's spawn-reader / resume). Ownership keys on this.\r\n    by: Option<String>,\r\n    /// Time of the last SUCCESSFUL handoff (`try_send` Ok) to this controller's\r\n    /// writer channel (b4, REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE).\r\n    /// The drain does a SINGLE non-blocking `try_send` per chunk and NEVER sleeps;\r\n    /// a channel that stays Full for [`CONTROLLER_WRITE_DEADLINE`] PAST this stamp\r\n    /// evicts the stalled controller (bounded wedge preserved), while a slow-but-\r\n    /// alive controller just drops the chunk + falls behind the ring (resume-from-\r\n    /// floor). Seeded `now` at [`OutputLog::become_controller`].\r\n    last_ok: Instant,\r\n    /// The writer's IN-FLIGHT socket-write marker (LIFECYCLE-TRUTH W2,\r\n    /// REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE): the `controller_writer` sets it to\r\n    /// `Some(Instant::now())` immediately BEFORE it enters a blocking `write_frame`\r\n    /// and back to `None` the instant the write returns. A reader\r\n    /// ([`OutputLog::controller_stalled`]) sees a `Some` older than\r\n    /// [`BRAIN_WRITE_DEADLINE`] as a writer WEDGED on a suspended/black-holed brain\r\n    /// conn and stall-evicts it — the signal `last_ok` (channel-handoff time) cannot\r\n    /// give: an IDLE controller (writer parked on `rx.recv()`, `None` here) and a\r\n    /// BLOCKED one (writer stuck in the socket write, `Some` here) both leave\r\n    /// `last_ok` stale. `Arc<Mutex<…>>` so the reader observes the writer's live\r\n    /// state; the mutex is taken only around the brief set/clear and the read, never\r\n    /// held across the socket write itself.\r\n    write_blocked_since: Arc<Mutex<Option<Instant>>>,\r\n    /// The writer thread handle (held for ownership; exits when `tx` drops — the\r\n    /// drain's bounded `send_timeout` then sees `Disconnected` and detaches — or\r\n    /// when a socket write fails).\r\n    _writer: JoinHandle<()>,\r\n}\r\n\r\n/// A bounded, sequenced output log for one session — the gapless-resume buffer\r\n/// AND the W2.5 controller/viewer fan-out hub (REQ-RCVIEW-1).\r\n///\r\n/// The session's single drain thread is the only producer ([`OutputLog::append`]).\r\n/// Output fans out to ONE interactive `controller` (the authoritative,\r\n/// cursor-advancing, blocking path) plus ANY NUMBER of read-only `viewers` (each\r\n/// an isolated bounded queue + writer thread, evicted on overflow). Every\r\n/// controller send and viewer `try_send` happens while the enclosing\r\n/// `Mutex<OutputLog>` is held, so frames reach each sink in strict `seq` order.\r\nstruct OutputLog {\r\n    session_id: u64,\r\n    next_seq: u64,\r\n    ring: VecDeque<(u64, Vec<u8>)>,\r\n    cap_chunks: usize,\r\n    /// The single interactive controller's isolated sink (W1: a dedicated writer\r\n    /// thread + bounded channel + authoritative cursor). `None` ⇒ undriven. The\r\n    /// controller's identity (`Some(node)` remote / `None` local) lives in\r\n    /// [`ControllerSink::by`] and keys ownership — a same-`by` re-subscribe\r\n    /// silently re-takes (no `Displaced`, the gate-#7 self-kick guard); only a\r\n    /// DIFFERENT remote's `Take` displaces.\r\n    controller: Option<ControllerSink>,\r\n    /// Monotonic controller generation, shared with the live `controller_writer`\r\n    /// thread (`Arc<AtomicU64>`). Bumped on every [`become_controller`]; the\r\n    /// drain's deadline-evict ([`mark_controller_gone`]) carries the epoch it\r\n    /// observed and only detaches if it still matches — so a slow-controller\r\n    /// timeout can never unseat a NEWER controller that attached meanwhile. The\r\n    /// writer snapshots its own epoch and returns the moment this value moves past\r\n    /// it, so a SUPERSEDED writer flushes no further frames (P1c, single live\r\n    /// writer per connection, [`REQ-HAZARD-CONTROLLER-WRITER-REORDER`]).\r\n    controller_epoch: Arc<AtomicU64>,\r\n    /// The read-only viewers, keyed by a broker-minted viewer id.\r\n    viewers: HashMap<u64, ViewerSink>,\r\n    /// Monotonic viewer-id source.\r\n    next_viewer_id: u64,\r\n    /// The owning endpoint (the spawn's label; empty = unlabeled / raw test).\r\n    /// The broker is the SINGLE writer of `driven_by` + `viewer_count` on this\r\n    /// perch (REQ-RCVIEW-1, resolves the clear-race); empty ⇒ nowhere to stamp.\r\n    endpoint: String,\r\n    /// Last-known PTY size — seeded at spawn, updated on a controller resize.\r\n    /// Pushed to a viewer on attach + to all viewers on resize (the letterbox\r\n    /// feed); the broker holds it since the PTY exposes no size getter.\r\n    size: (u16, u16),\r\n    /// Cursor-of-record (restoration D4-1, ADR-0018 Q6): the next seq a\r\n    /// re-attaching CONTROLLER still needs (= highest seq **successfully written**\r\n    /// to the controller, +1). It is **log** state, not subscriber state, so it\r\n    /// **survives `detach_if`** — a dead brain leaves its resume point behind, and\r\n    /// a cold-starting brain reads it (via `KIND_SESSIONS` → `resume_seq`) instead\r\n    /// of replaying the whole ring from 0. **Viewer writes NEVER move it**\r\n    /// (REQ-RCVIEW-1: the brain-resume cursor tracks the controller only).\r\n    ///\r\n    /// **Advanced only on a successful socket write** (`Ok`), and **monotonic**\r\n    /// (never decreases) — see [`advanced_cursor`]. Both invariants are\r\n    /// load-bearing for at-least-once output: advancing past a *failed* write to a\r\n    /// dying-but-not-yet-detached controller would make resume skip that chunk\r\n    /// forever (at-least-once → at-most-once); decreasing on a deliberate\r\n    /// `attach(sub, 0)` rewind-replay would reset the resume point under a live\r\n    /// reader.\r\n    ///\r\n    /// W1: now an `Arc<AtomicU64>` shared with the controller's writer thread,\r\n    /// which advances it (via [`advanced_cursor`], CAS-monotonic) as it writes —\r\n    /// the cursor moved off the drain thread with the controller delivery itself.\r\n    delivered_through: Arc<AtomicU64>,\r\n    /// The server-side **render grid** (#6 / REQ-BROKER-SCREEN-GRID, ADR-0031):\r\n    /// the authoritative CURRENT SCREEN, interpreted from the same byte stream the\r\n    /// ring records. Fed on the drain path in [`append`], AFTER the fan-out (so it\r\n    /// never adds latency to controller/viewer delivery — hazard 7.12). A cold\r\n    /// attach's initial batch is a single synthesized [`ScreenGrid::render_repaint`]\r\n    /// instead of the raw ring, so replaying an alt-screen TUI into a fresh terminal\r\n    /// no longer corrupts scrollback. Single-writer (the one drain thread), mirroring\r\n    /// the ring's single producer.\r\n    grid: ScreenGrid,\r\n}\r\n\r\n/// The post-write resume cursor (pure — the D4-1 unit kernel, mirroring\r\n/// `brainproc::consumer_gate`/`next_backoff`): advance to `seq + 1` **only** on a\r\n/// successful write, and **monotonically** (never below `current`). A failed\r\n/// write (`write_ok == false`) leaves the cursor untouched, and a re-send of an\r\n/// already-delivered `seq` (an `attach(sub, 0)` rewind, `seq + 1 <= current`)\r\n/// cannot lower it. This is the exact decision the `let _ = write_frame(...)`\r\n/// swallow used to drop (doyle D4-1 amendments 1–3).\r\n// [impl->REQ-HAZARD-BROKER-PROCESS-ISOLATION]\r\nfn advanced_cursor(current: u64, seq: u64, write_ok: bool) -> u64 {\r\n    if write_ok {\r\n        current.max(seq + 1)\r\n    } else {\r\n        current\r\n    }\r\n}\r\n\r\n/// Pure divergence decision for the control/viewer stamp convergence\r\n/// (REQ-HAZARD-CONTROL-STAMP-CONVERGENCE): does the perch's RECORDED\r\n/// (`driven_by`, `controlled`, `viewer_count`) differ from the live session TRUTH?\r\n/// Returns `(control_write_needed, viewer_write_needed)` — the divergence gate that\r\n/// keeps the per-poll re-assert from writing (fsync) when nothing changed.\r\n// [impl->REQ-HAZARD-CONTROL-STAMP-CONVERGENCE]\r\nfn stamp_divergence(\r\n    rec_driven_by: Option<&str>,\r\n    rec_controlled: bool,\r\n    rec_viewers: u32,\r\n    want_driven_by: Option<&str>,\r\n    want_controlled: bool,\r\n    want_viewers: u32,\r\n) -> (bool, bool) {\r\n    let control = rec_driven_by != want_driven_by || rec_controlled != want_controlled;\r\n    let viewer = rec_viewers != want_viewers;\r\n    (control, viewer)\r\n}\r\n\r\n/// Converge a perch's control/viewer stamps to the live session truth, OFF any log\r\n/// lock (REQ-HAZARD-CONTROL-STAMP-CONVERGENCE). The broker stays the single writer;\r\n/// this closes the STAMP-BEFORE-BIND loss — a picker-created endpoint's spawn stamps\r\n/// `controlled=true` BEFORE the adapter binds its perch, so `mutate_info` returns\r\n/// `NotFound` and the edge stamp is swallowed; the adapter's bind then writes\r\n/// `controlled:false` and no later edge re-stamps, so the endpoint reads uncontrolled\r\n/// forever while driven. This DIVERGENCE-GATED re-assert (on the `KIND_SESSIONS` poll,\r\n/// bounded by the reconcile cadence) writes ONLY on a real difference — no fsync storm.\r\n/// Best-effort: an unbound / corrupt / perch-less endpoint has nowhere to converge yet.\r\n// [impl->REQ-HAZARD-CONTROL-STAMP-CONVERGENCE]\r\nfn converge_perch_stamps(\r\n    endpoint: &str,\r\n    want_driven_by: Option<&str>,\r\n    want_controlled: bool,\r\n    want_viewers: u32,\r\n) {\r\n    if endpoint.is_empty() {\r\n        return;\r\n    }\r\n    let perch = resolve_perch_path(endpoint, ParentHint::Infer);\r\n    let Some(rec) = spt_store::info::read_info(&perch) else {\r\n        return; // perch not bound yet (the pre-bind window) / corrupt — nothing to gate on\r\n    };\r\n    let (control, viewer) = stamp_divergence(\r\n        rec.driven_by.as_deref(),\r\n        rec.controlled,\r\n        rec.viewer_count.unwrap_or(0),\r\n        want_driven_by,\r\n        want_controlled,\r\n        want_viewers,\r\n    );\r\n    if control {\r\n        let _ = spt_store::info::set_driven_by(&perch, want_driven_by);\r\n        let _ = spt_store::info::set_controlled(&perch, want_controlled);\r\n    }\r\n    if viewer {\r\n        let _ = spt_store::info::set_viewer_count(&perch, want_viewers);\r\n    }\r\n}\r\n\r\nimpl OutputLog {\r\n    fn new(session_id: u64, cap_chunks: usize, endpoint: String, size: (u16, u16)) -> Self {\r\n        OutputLog {\r\n            session_id,\r\n            next_seq: 0,\r\n            ring: VecDeque::new(),\r\n            cap_chunks,\r\n            controller: None,\r\n            controller_epoch: Arc::new(AtomicU64::new(0)),\r\n            viewers: HashMap::new(),\r\n            next_viewer_id: 0,\r\n            endpoint,\r\n            size,\r\n            delivered_through: Arc::new(AtomicU64::new(0)),\r\n            grid: ScreenGrid::new(size.0, size.1),\r\n        }\r\n    }\r\n\r\n    /// The synthesized clean-repaint initial batch (#6, ADR-0031): a single frame\r\n    /// carrying the current screen at pseudo-seq `next_seq - 1`.\r\n    ///\r\n    /// **Scoped to a COLD attach (`from_seq == 0`)** — the `spt rc` / `endpoint run\r\n    /// --attach` case #6 is about (attach to an already-producing TUI). A\r\n    /// resume-from-floor re-fetch (`from_seq > 0`, a controller recovering a b4\r\n    /// drop-don't-block gap) is deliberately NOT repainted: it keeps the raw-ring\r\n    /// exactly-once replay + the strict reject-gap + the irrecoverable-behind\r\n    /// detection untouched (REQ-HAZARD-CONTROLLER-GAP-RESUME / B2). `None` also when\r\n    /// nothing has been produced yet (`next_seq == 0`) → an empty initial batch, so\r\n    /// the first live frame is the contiguous seq 0 (the spawn seat, unchanged).\r\n    fn repaint_initial(&self, from_seq: u64) -> Option<(u64, Vec<u8>)> {\r\n        if from_seq != 0 || self.next_seq == 0 {\r\n            return None;\r\n        }\r\n        Some((self.next_seq - 1, self.grid.render_repaint()))\r\n    }\r\n\r\n    /// Append a freshly-produced output chunk: assign the next `seq`, retain it in\r\n    /// the bounded ring, then FAN OUT to viewers AND the controller — both a SINGLE\r\n    /// non-blocking `try_send`, so the drain NEVER blocks/sleeps here. Returns\r\n    /// `Some(epoch)` when the controller must be EVICTED (stalled past the deadline,\r\n    /// or its writer is gone) so the drain can `mark_controller_gone(epoch)` OFF the\r\n    /// log lock; `None` otherwise.\r\n    ///\r\n    /// b4 (REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE): W1 moved the\r\n    /// controller SOCKET WRITE off the drain (the `controller_writer` thread) but\r\n    /// left the HANDOFF as an inline sleep-poll (`ControllerJob::deliver`, up to\r\n    /// `CONTROLLER_WRITE_DEADLINE`) ON the drain — so a controller draining slower\r\n    /// than the PTY floods filled its channel, the inline poll throttled the drain,\r\n    /// and the viewer fan-out below stopped running → a concurrent `rc --view`\r\n    /// VIEWER starved. Now the controller handoff is ONE non-blocking `try_send`\r\n    /// exactly like a viewer: the drain runs at full PTY speed regardless of\r\n    /// controller speed. A slow-but-alive controller DROPS the chunk + falls behind\r\n    /// the ring (resume-from-floor); a controller Full for `CONTROLLER_WRITE_DEADLINE`\r\n    /// since its last successful handoff (`ControllerSink::last_ok`) is evicted\r\n    /// (bounded wedge preserved). The writer still does the blocking socket write +\r\n    /// advances the authoritative CONTIGUOUS cursor. Called only from the session's\r\n    /// single drain thread.\r\n    // [impl->REQ-HAZARD-INJECT-CONTROL-COEXIST]\r\n    // [impl->REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE]\r\n    #[must_use]\r\n    /// Coherence clamp for a poison-RECOVERED ring (B-1, doyle ruling; run only by\r\n    /// [`recover_log`] on the recovery path). A panic mid-[`append`] can leave the\r\n    /// ring torn — an over-cap ring (interrupted prune), a last seq not below\r\n    /// `next_seq`, or a non-monotonic front/back — and serving those bytes blind\r\n    /// risks garbage to a subscriber. Cheap-check the ring invariants (counts within\r\n    /// cap, indices ordered and below `next_seq`); on ANY violation RESET the ring\r\n    /// EMPTY (+ loud log) — `next_seq` is left intact so cursors never rewind, and the\r\n    /// lost scrollback self-heals on the next PTY output + repaint. Returns `true`\r\n    /// iff it reset. A coherent ring (the common case — most panics fire OUTSIDE the\r\n    /// ring mutation, poisoning the lock while the buffer stays intact) is untouched.\r\n    // [impl->REQ-HAZARD-BROKER-FLOOR-LOCK-POISON]\r\n    fn clamp_or_reset(&mut self) -> bool {\r\n        let within_cap = self.ring.len() <= self.cap_chunks;\r\n        let last_below_next = match self.ring.back() {\r\n            Some(&(last, _)) => last < self.next_seq,\r\n            None => true,\r\n        };\r\n        let ordered = match (self.ring.front(), self.ring.back()) {\r\n            (Some(&(front, _)), Some(&(back, _))) => front <= back,\r\n            _ => true,\r\n        };\r\n        if within_cap && last_below_next && ordered {\r\n            return false;\r\n        }\r\n        let had = self.ring.len();\r\n        self.ring.clear();\r\n        eprintln!(\r\n            \"broker: session {} output ring was torn by a poison-recover \\\r\n             (had {had} chunks, next_seq {}); reset to empty — scrollback self-heals \\\r\n             on the next output [REQ-HAZARD-BROKER-FLOOR-LOCK-POISON]\",\r\n            self.session_id, self.next_seq\r\n        );\r\n        true\r\n    }\r\n\r\n    /// The current high-water sequence (the next seq to be appended) — the snapshot\r\n    /// point for the inject leg's settle-gate + echo-verify (REQ-INJECT-MULTILINE-\r\n    /// INTEGRITY). A rising high-water since a baseline == the PTY produced output.\r\n    fn high_water(&self) -> u64 {\r\n        self.next_seq\r\n    }\r\n\r\n    /// Concatenate ring bytes at or after `from_seq` — the output PRODUCED since a\r\n    /// snapshot, used to confirm a settle probe echoed (readiness, Layer 1) and that\r\n    /// a typed payload's head echoed back (integrity, Layer 2). Best-effort: bytes\r\n    /// pruned out of the bounded ring are simply absent (the echo we look for is\r\n    /// recent, well within cap).\r\n    fn bytes_since(&self, from_seq: u64) -> Vec<u8> {\r\n        let mut out = Vec::new();\r\n        for (seq, chunk) in self.ring.iter() {\r\n            if *seq >= from_seq {\r\n                out.extend_from_slice(chunk);\r\n            }\r\n        }\r\n        out\r\n    }\r\n\r\n    fn append(&mut self, bytes: &[u8]) -> Option<u64> {\r\n        let seq = self.next_seq;\r\n        self.next_seq += 1;\r\n        self.ring.push_back((seq, bytes.to_vec()));\r\n        while self.ring.len() > self.cap_chunks {\r\n            self.ring.pop_front();\r\n        }\r\n        let frame = output_envelope(self.session_id, seq, bytes);\r\n        // Viewers: non-blocking fan-out; a full / disconnected queue = eviction.\r\n        if !self.viewers.is_empty() {\r\n            let mut evicted: Vec<u64> = Vec::new();\r\n            for (vid, sink) in self.viewers.iter() {\r\n                if viewer_send_evicts(&sink.tx.try_send(frame.clone())) {\r\n                    evicted.push(*vid);\r\n                }\r\n            }\r\n            if !evicted.is_empty() {\r\n                for vid in evicted {\r\n                    // Mark eviction BEFORE dropping the sink: the writer's\r\n                    // `rx.recv()` then returns Err (tx dropped) and reads this flag\r\n                    // to emit a KIND_VIEWER_EVICTED marker (skip-to-live, off the\r\n                    // log lock) instead of dying silently (REQ-VIEWER-SKIP-TO-LIVE-ON-EVICT).\r\n                    if let Some(sink) = self.viewers.remove(&vid) {\r\n                        sink.evicted.store(true, Ordering::Release);\r\n                    }\r\n                }\r\n                self.stamp_viewer_count();\r\n            }\r\n        }\r\n        // Controller: the SAME non-blocking discipline as a viewer (b4). One\r\n        // `try_send`, never a sleep. Ok → record the handoff time. Full → DROP (a\r\n        // slow controller falls behind the ring) unless it has been Full for the\r\n        // whole deadline since its last success → EVICT. Disconnected (writer gone)\r\n        // → EVICT. The drain off-lock turns `Some(epoch)` into `mark_controller_gone`.\r\n        let now = Instant::now();\r\n        let epoch = self.controller_epoch.load(Ordering::Acquire);\r\n        let result = if let Some(c) = self.controller.as_mut() {\r\n            match c.tx.try_send(CtrlMsg::Output(seq, frame)) {\r\n                Ok(()) => {\r\n                    c.last_ok = now;\r\n                    None\r\n                }\r\n                Err(TrySendError::Full(_)) => {\r\n                    if now.duration_since(c.last_ok) >= CONTROLLER_WRITE_DEADLINE {\r\n                        Some(epoch) // stalled past the deadline → bounded detach\r\n                    } else {\r\n                        None // drop this chunk; controller falls behind the ring\r\n                    }\r\n                }\r\n                Err(TrySendError::Disconnected(_)) => Some(epoch),\r\n            }\r\n        } else {\r\n            None\r\n        };\r\n        // Advance the render grid AFTER the fan-out — it must never sit between the\r\n        // drain and the controller/viewer `try_send` (REQ-HAZARD-INJECT-CONTROL-COEXIST\r\n        // 7.12). The grid is single-writer (this one drain thread); `render_repaint`\r\n        // snapshots it under the same short log lock only when an attach requests it.\r\n        self.grid.advance(bytes);\r\n        result\r\n    }\r\n\r\n    /// The current controller's identity (`Some(node)` remote / `None` local),\r\n    /// or `None` when undriven. The `by`-keyed ownership logic in\r\n    /// [`resolve_subscribe`] reads this.\r\n    fn controller_by(&self) -> Option<&str> {\r\n        self.controller.as_ref().and_then(|c| c.by.as_deref())\r\n    }\r\n\r\n    /// Whether ANY controller currently drives this session (the `controlled`\r\n    /// any-controller truth — REQ-HAZARD-CONTROL-STAMP-CONVERGENCE). Snapshotted under\r\n    /// the log lock, then converged onto the perch OFF the lock.\r\n    fn has_controller(&self) -> bool {\r\n        self.controller.is_some()\r\n    }\r\n\r\n    /// The live viewer count (the `viewer_count` truth). Snapshotted under the log lock\r\n    /// for the convergence re-assert.\r\n    fn live_viewer_count(&self) -> u32 {\r\n        self.viewers.len() as u32\r\n    }\r\n\r\n    /// Become (or silently re-take) the interactive controller from `from_seq`.\r\n    ///\r\n    /// W1: the ring replay is now the INITIAL BATCH of a dedicated controller\r\n    /// writer thread (symmetric with [`add_viewer`]) — it is no longer written\r\n    /// inline under the log lock. The writer thread advances the authoritative\r\n    /// `delivered_through` cursor as it writes (D4-1: only on a successful write,\r\n    /// monotonic, never the unsent tail). Dropping any prior [`ControllerSink`]\r\n    /// ends its writer's LIVE loop when `tx` drops; bumping `controller_epoch`\r\n    /// additionally makes a stale deadline-evict a no-op AND stops a superseded\r\n    /// writer mid-INITIAL-BATCH (P1c — a writer still flushing its owned `initial`\r\n    /// batch ignores the dropped `tx`, so the epoch gate is what guarantees a\r\n    /// single live writer per connection and a monotonic on-wire seq stream,\r\n    /// [`REQ-HAZARD-CONTROLLER-WRITER-REORDER`]). Stamps `driven_by` to the new\r\n    /// controller's identity.\r\n    fn become_controller(&mut self, sub: SharedSend, by: Option<String>, from_seq: u64) {\r\n        // Drop the prior controller sink first (its writer's live loop ends when\r\n        // tx drops), and bump the generation so (a) an in-flight deadline-evict\r\n        // for the old controller can't unseat this one and (b) a prior writer\r\n        // still flushing its initial batch returns before its next frame.\r\n        self.controller = None;\r\n        let epoch = self.controller_epoch.fetch_add(1, Ordering::AcqRel) + 1;\r\n        // #6 (ADR-0031): a COLD attach's initial batch is a single synthesized clean\r\n        // repaint of the CURRENT SCREEN (at pseudo-seq `next_seq - 1`) instead of the\r\n        // raw ring — replaying an alt-screen TUI's raw ring into a fresh terminal is\r\n        // exactly the corruption #6/#7/#8 report. A resume-from-floor (`from_seq > 0`)\r\n        // keeps the raw-ring exactly-once re-fetch untouched (B2). Either way the\r\n        // batch is owned by the writer thread (never pushed through the live channel —\r\n        // it must not block the drain); live frames stream raw + in-order afterwards.\r\n        let initial: Vec<(u64, Vec<u8>)> = match self.repaint_initial(from_seq) {\r\n            Some(repaint) => vec![repaint],\r\n            None => self\r\n                .ring\r\n                .iter()\r\n                .filter(|(s, _)| *s >= from_seq)\r\n                .cloned()\r\n                .collect(),\r\n        };\r\n        let (tx, rx) = sync_channel::<CtrlMsg>(CONTROLLER_CHANNEL_DEPTH);\r\n        let writer_send = Arc::clone(&sub);\r\n        let dt = Arc::clone(&self.delivered_through);\r\n        let epoch_gate = Arc::clone(&self.controller_epoch);\r\n        let sid = self.session_id;\r\n        // W2 decouple: the writer publishes its in-flight-write window here so a\r\n        // stall-evict can distinguish a wedged writer from an idle one.\r\n        let write_blocked_since = Arc::new(Mutex::new(None));\r\n        let writer_blocked = Arc::clone(&write_blocked_since);\r\n        let writer = thread::spawn(move || {\r\n            controller_writer(sid, writer_send, initial, rx, dt, epoch, epoch_gate, writer_blocked)\r\n        });\r\n        self.controller = Some(ControllerSink {\r\n            tx,\r\n            send: sub,\r\n            by,\r\n            last_ok: Instant::now(),\r\n            write_blocked_since,\r\n            _writer: writer,\r\n        });\r\n        self.stamp_driven_by();\r\n    }\r\n\r\n    /// Detach the controller and UNLATCH the perch — the ONE unlatch path shared\r\n    /// by W1's deadline-evict ([`mark_controller_gone`]), [`detach_if`], and (per\r\n    /// the W1↔W5 synergy) W5's reconcile self-heal. Dropping the sink ends its\r\n    /// writer thread; clearing the slot re-stamps `driven_by` to `None` (so an\r\n    /// `ONLINE+CONTROLLED` latch cannot outlive a gone controller).\r\n    fn clear_controller(&mut self) {\r\n        if self.controller.take().is_some() {\r\n            self.stamp_driven_by();\r\n        }\r\n    }\r\n\r\n    /// B-2 (REQ-CONTROLLER-LIVENESS-REAP): lazily drop a controller whose WRITER\r\n    /// THREAD has EXITED — the record-vs-truth honesty step, run on the authoritative\r\n    /// `KIND_SESSIONS` poll BEFORE `controller_by`/`has_controller` are read. The\r\n    /// writer exits when a socket write fails (a severed / keepalive-killed controller\r\n    /// conn) or its `tx` drops; while it is parked on `rx.recv()` (a LIVE but idle\r\n    /// controller) it is NOT finished, so a live controller is never touched (the\r\n    /// no-false-reap guard). Reaping here makes the broker report honest truth so the\r\n    /// EXISTING [`converge_perch_stamps`] clears the now-stale info.json\r\n    /// `driven_by`/`controlled` stamp — no new detach path, no new query.\r\n    ///\r\n    /// LOCK-SAFE: this runs UNDER the log lock in the snapshot closure, so it must do\r\n    /// NO file I/O (the lock-across-effect discipline, KH 7.12/5.16). It drops the\r\n    /// sink in-memory ONLY (like [`become_controller`]'s prior-drop) and does NOT\r\n    /// [`stamp_driven_by`] — the OFF-lock `converge_perch_stamps` writes the honest\r\n    /// stamp. Returns true iff it reaped.\r\n    ///\r\n    /// SCOPE (doyle B-2 reduction): catches a writer that FAILED A WRITE (output was\r\n    /// flowing when the conn severed) or whose detach was dropped by a prior wedge\r\n    /// (the B-1 poison class). A TRULY IDLE severed controller (writer parked on recv,\r\n    /// no output, conn not yet EOF'd) stays `is_finished() == false` and converges\r\n    /// only once output resumes or the conn EOFs (→ `handle_conn` detach) — that\r\n    /// harder active-probe case is the reserved [`REQ-HAZARD-DRIVEN-BY-IDLE-REMOTE-EVICT`],\r\n    /// deliberately NOT built here. KH 7.15 held by construction: only ever CLEARS,\r\n    /// never latches `driven_by`.\r\n    // [impl->REQ-CONTROLLER-LIVENESS-REAP]\r\n    fn reap_dead_controller(&mut self) -> bool {\r\n        let dead = self\r\n            .controller\r\n            .as_ref()\r\n            .is_some_and(|c| c._writer.is_finished());\r\n        if dead {\r\n            // In-memory drop only (ends the — already-exited — writer); NO stamp here\r\n            // (info.json I/O under the log lock is the KH 7.12 hazard). converge does it.\r\n            self.controller = None;\r\n            return true;\r\n        }\r\n        // W2 decouple (REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE): a controller whose\r\n        // writer is BLOCKED (not exited) on a suspended brain conn past\r\n        // BRAIN_WRITE_DEADLINE is also reaped here, so the honest `KIND_SESSIONS`\r\n        // truth + the off-lock converge_perch_stamps release its stale `driven_by`\r\n        // stamp even when nobody take/reattaches. Deferred stamp: the reap runs in\r\n        // the multi-session snapshot closure (no I/O under the shared sessions lock).\r","truncated":true,"truncatedBy":"lines","totalLines":5270,"totalBytes":29317,"outputLines":535,"outputBytes":29317,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"/// C-1 addendum (3), REQ-TRANSLATE-COMMIT-MISS-TOLERANCE). Under miss≠fault a\r\n/// respooled zero-record envelope (the checkpoint duplicate FIRE) redelivers on a\r\n/// later drain → misses again → would respool forever (infinite floor-holds +\r\n/// strike churn). So a missed envelope respools AT MOST ONCE; a second miss of the\r\n/// SAME envelope is DEAD-LETTERED (loud, still counts as a strike — never a silent\r\n/// drop; REQ-HAZARD-IDLE-SILENT-NONDELIVERY posture). A successful commit REMOVES\r\n/// the envelope from the set (it succeeded → a future miss may respool it afresh).\r\n#[derive(Debug, PartialEq, Eq)]\r\nenum MissRespool {\r\n    /// First miss of this envelope — respool it once and remember it.\r\n    Respool,\r\n    /// A repeat miss of an already-respooled envelope — dead-letter it, do NOT\r\n    /// respool again (still counts as a strike).\r\n    DeadLetter,\r\n}\r\n\r\nfn note_miss_respool(respooled_once: &mut HashSet<String>, envelope: &str) -> MissRespool {\r\n    if respooled_once.contains(envelope) {\r\n        MissRespool::DeadLetter\r\n    } else {\r\n        respooled_once.insert(envelope.to_string());\r\n        MissRespool::Respool\r\n    }\r\n}\r\n\r\n/// Pure strike-budget verdict: a MISS becomes a REAL fault once `strikes` reaches\r\n/// the `budget` (F029 C-1, REQ-TRANSLATE-COMMIT-MISS-TOLERANCE). Below the budget\r\n/// the miss is tolerated (binary preserved, worker continues).\r\nfn miss_strikes_exhausted(strikes: u32, budget: u32) -> bool {\r\n    strikes >= budget\r\n}\r\n\r\n/// The interactive CONTROLLER's isolated sink (W1 / REQ-HAZARD-INJECT-CONTROL-COEXIST).\r\n/// Symmetric with [`ViewerSink`] — a dedicated writer thread does the BLOCKING\r\n/// socket write so a backed-up controller can never stall the session drain\r\n/// thread (the v0.12.x wedge: the controller write was inline on the drain,\r\n/// holding `Mutex<OutputLog>`). Unlike a viewer it is AUTHORITATIVE: its writer\r\n/// advances `delivered_through` on each successful write, and it is never evicted\r\n/// on a single full `try_send` — only after [`CONTROLLER_WRITE_DEADLINE`].\r\nstruct ControllerSink {\r\n    /// The bounded live-frame queue to the controller's writer thread.\r\n    tx: SyncSender<CtrlMsg>,\r\n    /// The controller's IPC send half — kept for identity matching on detach and\r\n    /// for the `exit`-frame fan-out ([`OutputLog::all_sinks`]).\r\n    send: SharedSend,\r\n    /// The controller's identity: `Some(node)` = a remote operator, `None` =\r\n    /// local (the brain's spawn-reader / resume). Ownership keys on this.\r\n    by: Option<String>,\r\n    /// Time of the last SUCCESSFUL handoff (`try_send` Ok) to this controller's\r\n    /// writer channel (b4, REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE).\r\n    /// The drain does a SINGLE non-blocking `try_send` per chunk and NEVER sleeps;\r\n    /// a channel that stays Full for [`CONTROLLER_WRITE_DEADLINE`] PAST this stamp\r\n    /// evicts the stalled controller (bounded wedge preserved), while a slow-but-\r\n    /// alive controller just drops the chunk + falls behind the ring (resume-from-\r\n    /// floor). Seeded `now` at [`OutputLog::become_controller`].\r\n    last_ok: Instant,\r\n    /// The writer's IN-FLIGHT socket-write marker (LIFECYCLE-TRUTH W2,\r\n    /// REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE): the `controller_writer` sets it to\r\n    /// `Some(Instant::now())` immediately BEFORE it enters a blocking `write_frame`\r\n    /// and back to `None` the instant the write returns. A reader\r\n    /// ([`OutputLog::controller_stalled`]) sees a `Some` older than\r\n    /// [`BRAIN_WRITE_DEADLINE`] as a writer WEDGED on a suspended/black-holed brain\r\n    /// conn and stall-evicts it — the signal `last_ok` (channel-handoff time) cannot\r\n    /// give: an IDLE controller (writer parked on `rx.recv()`, `None` here) and a\r\n    /// BLOCKED one (writer stuck in the socket write, `Some` here) both leave\r\n    /// `last_ok` stale. `Arc<Mutex<…>>` so the reader observes the writer's live\r\n    /// state; the mutex is taken only around the brief set/clear and the read, never\r\n    /// held across the socket write itself.\r\n    write_blocked_since: Arc<Mutex<Option<Instant>>>,\r\n    /// The writer thread handle (held for ownership; exits when `tx` drops — the\r\n    /// drain's bounded `send_timeout` then sees `Disconnected` and detaches — or\r\n    /// when a socket write fails).\r\n    _writer: JoinHandle<()>,\r\n}\r\n\r\n/// A bounded, sequenced output log for one session — the gapless-resume buffer\r\n/// AND the W2.5 controller/viewer fan-out hub (REQ-RCVIEW-1).\r\n///\r\n/// The session's single drain thread is the only producer ([`OutputLog::append`]).\r\n/// Output fans out to ONE interactive `controller` (the authoritative,\r\n/// cursor-advancing, blocking path) plus ANY NUMBER of read-only `viewers` (each\r\n/// an isolated bounded queue + writer thread, evicted on overflow). Every\r\n/// controller send and viewer `try_send` happens while the enclosing\r\n/// `Mutex<OutputLog>` is held, so frames reach each sink in strict `seq` order.\r\nstruct OutputLog {\r\n    session_id: u64,\r\n    next_seq: u64,\r\n    ring: VecDeque<(u64, Vec<u8>)>,\r\n    cap_chunks: usize,\r\n    /// The single interactive controller's isolated sink (W1: a dedicated writer\r\n    /// thread + bounded channel + authoritative cursor). `None` ⇒ undriven. The\r\n    /// controller's identity (`Some(node)` remote / `None` local) lives in\r\n    /// [`ControllerSink::by`] and keys ownership — a same-`by` re-subscribe\r\n    /// silently re-takes (no `Displaced`, the gate-#7 self-kick guard); only a\r\n    /// DIFFERENT remote's `Take` displaces.\r\n    controller: Option<ControllerSink>,\r\n    /// Monotonic controller generation, shared with the live `controller_writer`\r\n    /// thread (`Arc<AtomicU64>`). Bumped on every [`become_controller`]; the\r\n    /// drain's deadline-evict ([`mark_controller_gone`]) carries the epoch it\r\n    /// observed and only detaches if it still matches — so a slow-controller\r\n    /// timeout can never unseat a NEWER controller that attached meanwhile. The\r\n    /// writer snapshots its own epoch and returns the moment this value moves past\r\n    /// it, so a SUPERSEDED writer flushes no further frames (P1c, single live\r\n    /// writer per connection, [`REQ-HAZARD-CONTROLLER-WRITER-REORDER`]).\r\n    controller_epoch: Arc<AtomicU64>,\r\n    /// The read-only viewers, keyed by a broker-minted viewer id.\r\n    viewers: HashMap<u64, ViewerSink>,\r\n    /// Monotonic viewer-id source.\r\n    next_viewer_id: u64,\r\n    /// The owning endpoint (the spawn's label; empty = unlabeled / raw test).\r\n    /// The broker is the SINGLE writer of `driven_by` + `viewer_count` on this\r\n    /// perch (REQ-RCVIEW-1, resolves the clear-race); empty ⇒ nowhere to stamp.\r\n    endpoint: String,\r\n    /// Last-known PTY size — seeded at spawn, updated on a controller resize.\r\n    /// Pushed to a viewer on attach + to all viewers on resize (the letterbox\r\n    /// feed); the broker holds it since the PTY exposes no size getter.\r\n    size: (u16, u16),\r\n    /// Cursor-of-record (restoration D4-1, ADR-0018 Q6): the next seq a\r\n    /// re-attaching CONTROLLER still needs (= highest seq **successfully written**\r\n    /// to the controller, +1). It is **log** state, not subscriber state, so it\r\n    /// **survives `detach_if`** — a dead brain leaves its resume point behind, and\r\n    /// a cold-starting brain reads it (via `KIND_SESSIONS` → `resume_seq`) instead\r\n    /// of replaying the whole ring from 0. **Viewer writes NEVER move it**\r\n    /// (REQ-RCVIEW-1: the brain-resume cursor tracks the controller only).\r\n    ///\r\n    /// **Advanced only on a successful socket write** (`Ok`), and **monotonic**\r\n    /// (never decreases) — see [`advanced_cursor`]. Both invariants are\r\n    /// load-bearing for at-least-once output: advancing past a *failed* write to a\r\n    /// dying-but-not-yet-detached controller would make resume skip that chunk\r\n    /// forever (at-least-once → at-most-once); decreasing on a deliberate\r\n    /// `attach(sub, 0)` rewind-replay would reset the resume point under a live\r\n    /// reader.\r\n    ///\r\n    /// W1: now an `Arc<AtomicU64>` shared with the controller's writer thread,\r\n    /// which advances it (via [`advanced_cursor`], CAS-monotonic) as it writes —\r\n    /// the cursor moved off the drain thread with the controller delivery itself.\r\n    delivered_through: Arc<AtomicU64>,\r\n    /// The server-side **render grid** (#6 / REQ-BROKER-SCREEN-GRID, ADR-0031):\r\n    /// the authoritative CURRENT SCREEN, interpreted from the same byte stream the\r\n    /// ring records. Fed on the drain path in [`append`], AFTER the fan-out (so it\r\n    /// never adds latency to controller/viewer delivery — hazard 7.12). A cold\r\n    /// attach's initial batch is a single synthesized [`ScreenGrid::render_repaint`]\r\n    /// instead of the raw ring, so replaying an alt-screen TUI into a fresh terminal\r\n    /// no longer corrupts scrollback. Single-writer (the one drain thread), mirroring\r\n    /// the ring's single producer.\r\n    grid: ScreenGrid,\r\n}\r\n\r\n/// The post-write resume cursor (pure — the D4-1 unit kernel, mirroring\r\n/// `brainproc::consumer_gate`/`next_backoff`): advance to `seq + 1` **only** on a\r\n/// successful write, and **monotonically** (never below `current`). A failed\r\n/// write (`write_ok == false`) leaves the cursor untouched, and a re-send of an\r\n/// already-delivered `seq` (an `attach(sub, 0)` rewind, `seq + 1 <= current`)\r\n/// cannot lower it. This is the exact decision the `let _ = write_frame(...)`\r\n/// swallow used to drop (doyle D4-1 amendments 1–3).\r\n// [impl->REQ-HAZARD-BROKER-PROCESS-ISOLATION]\r\nfn advanced_cursor(current: u64, seq: u64, write_ok: bool) -> u64 {\r\n    if write_ok {\r\n        current.max(seq + 1)\r\n    } else {\r\n        current\r\n    }\r\n}\r\n\r\n/// Pure divergence decision for the control/viewer stamp convergence\r\n/// (REQ-HAZARD-CONTROL-STAMP-CONVERGENCE): does the perch's RECORDED\r\n/// (`driven_by`, `controlled`, `viewer_count`) differ from the live session TRUTH?\r\n/// Returns `(control_write_needed, viewer_write_needed)` — the divergence gate that\r\n/// keeps the per-poll re-assert from writing (fsync) when nothing changed.\r\n// [impl->REQ-HAZARD-CONTROL-STAMP-CONVERGENCE]\r\nfn stamp_divergence(\r\n    rec_driven_by: Option<&str>,\r\n    rec_controlled: bool,\r\n    rec_viewers: u32,\r\n    want_driven_by: Option<&str>,\r\n    want_controlled: bool,\r\n    want_viewers: u32,\r\n) -> (bool, bool) {\r\n    let control = rec_driven_by != want_driven_by || rec_controlled != want_controlled;\r\n    let viewer = rec_viewers != want_viewers;\r\n    (control, viewer)\r\n}\r\n\r\n/// Converge a perch's control/viewer stamps to the live session truth, OFF any log\r\n/// lock (REQ-HAZARD-CONTROL-STAMP-CONVERGENCE). The broker stays the single writer;\r\n/// this closes the STAMP-BEFORE-BIND loss — a picker-created endpoint's spawn stamps\r\n/// `controlled=true` BEFORE the adapter binds its perch, so `mutate_info` returns\r\n/// `NotFound` and the edge stamp is swallowed; the adapter's bind then writes\r\n/// `controlled:false` and no later edge re-stamps, so the endpoint reads uncontrolled\r\n/// forever while driven. This DIVERGENCE-GATED re-assert (on the `KIND_SESSIONS` poll,\r\n/// bounded by the reconcile cadence) writes ONLY on a real difference — no fsync storm.\r\n/// Best-effort: an unbound / corrupt / perch-less endpoint has nowhere to converge yet.\r\n// [impl->REQ-HAZARD-CONTROL-STAMP-CONVERGENCE]\r\nfn converge_perch_stamps(\r\n    endpoint: &str,\r\n    want_driven_by: Option<&str>,\r\n    want_controlled: bool,\r\n    want_viewers: u32,\r\n) {\r\n    if endpoint.is_empty() {\r\n        return;\r\n    }\r\n    let perch = resolve_perch_path(endpoint, ParentHint::Infer);\r\n    let Some(rec) = spt_store::info::read_info(&perch) else {\r\n        return; // perch not bound yet (the pre-bind window) / corrupt — nothing to gate on\r\n    };\r\n    let (control, viewer) = stamp_divergence(\r\n        rec.driven_by.as_deref(),\r\n        rec.controlled,\r\n        rec.viewer_count.unwrap_or(0),\r\n        want_driven_by,\r\n        want_controlled,\r\n        want_viewers,\r\n    );\r\n    if control {\r\n        let _ = spt_store::info::set_driven_by(&perch, want_driven_by);\r\n        let _ = spt_store::info::set_controlled(&perch, want_controlled);\r\n    }\r\n    if viewer {\r\n        let _ = spt_store::info::set_viewer_count(&perch, want_viewers);\r\n    }\r\n}\r\n\r\nimpl OutputLog {\r\n    fn new(session_id: u64, cap_chunks: usize, endpoint: String, size: (u16, u16)) -> Self {\r\n        OutputLog {\r\n            session_id,\r\n            next_seq: 0,\r\n            ring: VecDeque::new(),\r\n            cap_chunks,\r\n            controller: None,\r\n            controller_epoch: Arc::new(AtomicU64::new(0)),\r\n            viewers: HashMap::new(),\r\n            next_viewer_id: 0,\r\n            endpoint,\r\n            size,\r\n            delivered_through: Arc::new(AtomicU64::new(0)),\r\n            grid: ScreenGrid::new(size.0, size.1),\r\n        }\r\n    }\r\n\r\n    /// The synthesized clean-repaint initial batch (#6, ADR-0031): a single frame\r\n    /// carrying the current screen at pseudo-seq `next_seq - 1`.\r\n    ///\r\n    /// **Scoped to a COLD attach (`from_seq == 0`)** — the `spt rc` / `endpoint run\r\n    /// --attach` case #6 is about (attach to an already-producing TUI). A\r\n    /// resume-from-floor re-fetch (`from_seq > 0`, a controller recovering a b4\r\n    /// drop-don't-block gap) is deliberately NOT repainted: it keeps the raw-ring\r\n    /// exactly-once replay + the strict reject-gap + the irrecoverable-behind\r\n    /// detection untouched (REQ-HAZARD-CONTROLLER-GAP-RESUME / B2). `None` also when\r\n    /// nothing has been produced yet (`next_seq == 0`) → an empty initial batch, so\r\n    /// the first live frame is the contiguous seq 0 (the spawn seat, unchanged).\r\n    fn repaint_initial(&self, from_seq: u64) -> Option<(u64, Vec<u8>)> {\r\n        if from_seq != 0 || self.next_seq == 0 {\r\n            return None;\r\n        }\r\n        Some((self.next_seq - 1, self.grid.render_repaint()))\r\n    }\r\n\r\n    /// Append a freshly-produced output chunk: assign the next `seq`, retain it in\r\n    /// the bounded ring, then FAN OUT to viewers AND the controller — both a SINGLE\r\n    /// non-blocking `try_send`, so the drain NEVER blocks/sleeps here. Returns\r\n    /// `Some(epoch)` when the controller must be EVICTED (stalled past the deadline,\r\n    /// or its writer is gone) so the drain can `mark_controller_gone(epoch)` OFF the\r\n    /// log lock; `None` otherwise.\r\n    ///\r\n    /// b4 (REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE): W1 moved the\r\n    /// controller SOCKET WRITE off the drain (the `controller_writer` thread) but\r\n    /// left the HANDOFF as an inline sleep-poll (`ControllerJob::deliver`, up to\r\n    /// `CONTROLLER_WRITE_DEADLINE`) ON the drain — so a controller draining slower\r\n    /// than the PTY floods filled its channel, the inline poll throttled the drain,\r\n    /// and the viewer fan-out below stopped running → a concurrent `rc --view`\r\n    /// VIEWER starved. Now the controller handoff is ONE non-blocking `try_send`\r\n    /// exactly like a viewer: the drain runs at full PTY speed regardless of\r\n    /// controller speed. A slow-but-alive controller DROPS the chunk + falls behind\r\n    /// the ring (resume-from-floor); a controller Full for `CONTROLLER_WRITE_DEADLINE`\r\n    /// since its last successful handoff (`ControllerSink::last_ok`) is evicted\r\n    /// (bounded wedge preserved). The writer still does the blocking socket write +\r\n    /// advances the authoritative CONTIGUOUS cursor. Called only from the session's\r\n    /// single drain thread.\r\n    // [impl->REQ-HAZARD-INJECT-CONTROL-COEXIST]\r\n    // [impl->REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE]\r\n    #[must_use]\r\n    /// Coherence clamp for a poison-RECOVERED ring (B-1, doyle ruling; run only by\r\n    /// [`recover_log`] on the recovery path). A panic mid-[`append`] can leave the\r\n    /// ring torn — an over-cap ring (interrupted prune), a last seq not below\r\n    /// `next_seq`, or a non-monotonic front/back — and serving those bytes blind\r\n    /// risks garbage to a subscriber. Cheap-check the ring invariants (counts within\r\n    /// cap, indices ordered and below `next_seq`); on ANY violation RESET the ring\r\n    /// EMPTY (+ loud log) — `next_seq` is left intact so cursors never rewind, and the\r\n    /// lost scrollback self-heals on the next PTY output + repaint. Returns `true`\r\n    /// iff it reset. A coherent ring (the common case — most panics fire OUTSIDE the\r\n    /// ring mutation, poisoning the lock while the buffer stays intact) is untouched.\r\n    // [impl->REQ-HAZARD-BROKER-FLOOR-LOCK-POISON]\r\n    fn clamp_or_reset(&mut self) -> bool {\r\n        let within_cap = self.ring.len() <= self.cap_chunks;\r\n        let last_below_next = match self.ring.back() {\r\n            Some(&(last, _)) => last < self.next_seq,\r\n            None => true,\r\n        };\r\n        let ordered = match (self.ring.front(), self.ring.back()) {\r\n            (Some(&(front, _)), Some(&(back, _))) => front <= back,\r\n            _ => true,\r\n        };\r\n        if within_cap && last_below_next && ordered {\r\n            return false;\r\n        }\r\n        let had = self.ring.len();\r\n        self.ring.clear();\r\n        eprintln!(\r\n            \"broker: session {} output ring was torn by a poison-recover \\\r\n             (had {had} chunks, next_seq {}); reset to empty — scrollback self-heals \\\r\n             on the next output [REQ-HAZARD-BROKER-FLOOR-LOCK-POISON]\",\r\n            self.session_id, self.next_seq\r\n        );\r\n        true\r\n    }\r\n\r\n    /// The current high-water sequence (the next seq to be appended) — the snapshot\r\n    /// point for the inject leg's settle-gate + echo-verify (REQ-INJECT-MULTILINE-\r\n    /// INTEGRITY). A rising high-water since a baseline == the PTY produced output.\r\n    fn high_water(&self) -> u64 {\r\n        self.next_seq\r\n    }\r\n\r\n    /// Concatenate ring bytes at or after `from_seq` — the output PRODUCED since a\r\n    /// snapshot, used to confirm a settle probe echoed (readiness, Layer 1) and that\r\n    /// a typed payload's head echoed back (integrity, Layer 2). Best-effort: bytes\r\n    /// pruned out of the bounded ring are simply absent (the echo we look for is\r\n    /// recent, well within cap).\r\n    fn bytes_since(&self, from_seq: u64) -> Vec<u8> {\r\n        let mut out = Vec::new();\r\n        for (seq, chunk) in self.ring.iter() {\r\n            if *seq >= from_seq {\r\n                out.extend_from_slice(chunk);\r\n            }\r\n        }\r\n        out\r\n    }\r\n\r\n    fn append(&mut self, bytes: &[u8]) -> Option<u64> {\r\n        let seq = self.next_seq;\r\n        self.next_seq += 1;\r\n        self.ring.push_back((seq, bytes.to_vec()));\r\n        while self.ring.len() > self.cap_chunks {\r\n            self.ring.pop_front();\r\n        }\r\n        let frame = output_envelope(self.session_id, seq, bytes);\r\n        // Viewers: non-blocking fan-out; a full / disconnected queue = eviction.\r\n        if !self.viewers.is_empty() {\r\n            let mut evicted: Vec<u64> = Vec::new();\r\n            for (vid, sink) in self.viewers.iter() {\r\n                if viewer_send_evicts(&sink.tx.try_send(frame.clone())) {\r\n                    evicted.push(*vid);\r\n                }\r\n            }\r\n            if !evicted.is_empty() {\r\n                for vid in evicted {\r\n                    // Mark eviction BEFORE dropping the sink: the writer's\r\n                    // `rx.recv()` then returns Err (tx dropped) and reads this flag\r\n                    // to emit a KIND_VIEWER_EVICTED marker (skip-to-live, off the\r\n                    // log lock) instead of dying silently (REQ-VIEWER-SKIP-TO-LIVE-ON-EVICT).\r\n                    if let Some(sink) = self.viewers.remove(&vid) {\r\n                        sink.evicted.store(true, Ordering::Release);\r\n                    }\r\n                }\r\n                self.stamp_viewer_count();\r\n            }\r\n        }\r\n        // Controller: the SAME non-blocking discipline as a viewer (b4). One\r\n        // `try_send`, never a sleep. Ok → record the handoff time. Full → DROP (a\r\n        // slow controller falls behind the ring) unless it has been Full for the\r\n        // whole deadline since its last success → EVICT. Disconnected (writer gone)\r\n        // → EVICT. The drain off-lock turns `Some(epoch)` into `mark_controller_gone`.\r\n        let now = Instant::now();\r\n        let epoch = self.controller_epoch.load(Ordering::Acquire);\r\n        let result = if let Some(c) = self.controller.as_mut() {\r\n            match c.tx.try_send(CtrlMsg::Output(seq, frame)) {\r\n                Ok(()) => {\r\n                    c.last_ok = now;\r\n                    None\r\n                }\r\n                Err(TrySendError::Full(_)) => {\r\n                    if now.duration_since(c.last_ok) >= CONTROLLER_WRITE_DEADLINE {\r\n                        Some(epoch) // stalled past the deadline → bounded detach\r\n                    } else {\r\n                        None // drop this chunk; controller falls behind the ring\r\n                    }\r\n                }\r\n                Err(TrySendError::Disconnected(_)) => Some(epoch),\r\n            }\r\n        } else {\r\n            None\r\n        };\r\n        // Advance the render grid AFTER the fan-out — it must never sit between the\r\n        // drain and the controller/viewer `try_send` (REQ-HAZARD-INJECT-CONTROL-COEXIST\r\n        // 7.12). The grid is single-writer (this one drain thread); `render_repaint`\r\n        // snapshots it under the same short log lock only when an attach requests it.\r\n        self.grid.advance(bytes);\r\n        result\r\n    }\r\n\r\n    /// The current controller's identity (`Some(node)` remote / `None` local),\r\n    /// or `None` when undriven. The `by`-keyed ownership logic in\r\n    /// [`resolve_subscribe`] reads this.\r\n    fn controller_by(&self) -> Option<&str> {\r\n        self.controller.as_ref().and_then(|c| c.by.as_deref())\r\n    }\r\n\r\n    /// Whether ANY controller currently drives this session (the `controlled`\r\n    /// any-controller truth — REQ-HAZARD-CONTROL-STAMP-CONVERGENCE). Snapshotted under\r\n    /// the log lock, then converged onto the perch OFF the lock.\r\n    fn has_controller(&self) -> bool {\r\n        self.controller.is_some()\r\n    }\r\n\r\n    /// The live viewer count (the `viewer_count` truth). Snapshotted under the log lock\r\n    /// for the convergence re-assert.\r\n    fn live_viewer_count(&self) -> u32 {\r\n        self.viewers.len() as u32\r\n    }\r\n\r\n    /// Become (or silently re-take) the interactive controller from `from_seq`.\r\n    ///\r\n    /// W1: the ring replay is now the INITIAL BATCH of a dedicated controller\r\n    /// writer thread (symmetric with [`add_viewer`]) — it is no longer written\r\n    /// inline under the log lock. The writer thread advances the authoritative\r\n    /// `delivered_through` cursor as it writes (D4-1: only on a successful write,\r\n    /// monotonic, never the unsent tail). Dropping any prior [`ControllerSink`]\r\n    /// ends its writer's LIVE loop when `tx` drops; bumping `controller_epoch`\r\n    /// additionally makes a stale deadline-evict a no-op AND stops a superseded\r\n    /// writer mid-INITIAL-BATCH (P1c — a writer still flushing its owned `initial`\r\n    /// batch ignores the dropped `tx`, so the epoch gate is what guarantees a\r\n    /// single live writer per connection and a monotonic on-wire seq stream,\r\n    /// [`REQ-HAZARD-CONTROLLER-WRITER-REORDER`]). Stamps `driven_by` to the new\r\n    /// controller's identity.\r\n    fn become_controller(&mut self, sub: SharedSend, by: Option<String>, from_seq: u64) {\r\n        // Drop the prior controller sink first (its writer's live loop ends when\r\n        // tx drops), and bump the generation so (a) an in-flight deadline-evict\r\n        // for the old controller can't unseat this one and (b) a prior writer\r\n        // still flushing its initial batch returns before its next frame.\r\n        self.controller = None;\r\n        let epoch = self.controller_epoch.fetch_add(1, Ordering::AcqRel) + 1;\r\n        // #6 (ADR-0031): a COLD attach's initial batch is a single synthesized clean\r\n        // repaint of the CURRENT SCREEN (at pseudo-seq `next_seq - 1`) instead of the\r\n        // raw ring — replaying an alt-screen TUI's raw ring into a fresh terminal is\r\n        // exactly the corruption #6/#7/#8 report. A resume-from-floor (`from_seq > 0`)\r\n        // keeps the raw-ring exactly-once re-fetch untouched (B2). Either way the\r\n        // batch is owned by the writer thread (never pushed through the live channel —\r\n        // it must not block the drain); live frames stream raw + in-order afterwards.\r\n        let initial: Vec<(u64, Vec<u8>)> = match self.repaint_initial(from_seq) {\r\n            Some(repaint) => vec![repaint],\r\n            None => self\r\n                .ring\r\n                .iter()\r\n                .filter(|(s, _)| *s >= from_seq)\r\n                .cloned()\r\n                .collect(),\r\n        };\r\n        let (tx, rx) = sync_channel::<CtrlMsg>(CONTROLLER_CHANNEL_DEPTH);\r\n        let writer_send = Arc::clone(&sub);\r\n        let dt = Arc::clone(&self.delivered_through);\r\n        let epoch_gate = Arc::clone(&self.controller_epoch);\r\n        let sid = self.session_id;\r\n        // W2 decouple: the writer publishes its in-flight-write window here so a\r\n        // stall-evict can distinguish a wedged writer from an idle one.\r\n        let write_blocked_since = Arc::new(Mutex::new(None));\r\n        let writer_blocked = Arc::clone(&write_blocked_since);\r\n        let writer = thread::spawn(move || {\r\n            controller_writer(sid, writer_send, initial, rx, dt, epoch, epoch_gate, writer_blocked)\r\n        });\r\n        self.controller = Some(ControllerSink {\r\n            tx,\r\n            send: sub,\r\n            by,\r\n            last_ok: Instant::now(),\r\n            write_blocked_since,\r\n            _writer: writer,\r\n        });\r\n        self.stamp_driven_by();\r\n    }\r\n\r\n    /// Detach the controller and UNLATCH the perch — the ONE unlatch path shared\r\n    /// by W1's deadline-evict ([`mark_controller_gone`]), [`detach_if`], and (per\r\n    /// the W1↔W5 synergy) W5's reconcile self-heal. Dropping the sink ends its\r\n    /// writer thread; clearing the slot re-stamps `driven_by` to `None` (so an\r\n    /// `ONLINE+CONTROLLED` latch cannot outlive a gone controller).\r\n    fn clear_controller(&mut self) {\r\n        if self.controller.take().is_some() {\r\n            self.stamp_driven_by();\r\n        }\r\n    }\r\n\r\n    /// B-2 (REQ-CONTROLLER-LIVENESS-REAP): lazily drop a controller whose WRITER\r\n    /// THREAD has EXITED — the record-vs-truth honesty step, run on the authoritative\r\n    /// `KIND_SESSIONS` poll BEFORE `controller_by`/`has_controller` are read. The\r\n    /// writer exits when a socket write fails (a severed / keepalive-killed controller\r\n    /// conn) or its `tx` drops; while it is parked on `rx.recv()` (a LIVE but idle\r\n    /// controller) it is NOT finished, so a live controller is never touched (the\r\n    /// no-false-reap guard). Reaping here makes the broker report honest truth so the\r\n    /// EXISTING [`converge_perch_stamps`] clears the now-stale info.json\r\n    /// `driven_by`/`controlled` stamp — no new detach path, no new query.\r\n    ///\r\n    /// LOCK-SAFE: this runs UNDER the log lock in the snapshot closure, so it must do\r\n    /// NO file I/O (the lock-across-effect discipline, KH 7.12/5.16). It drops the\r\n    /// sink in-memory ONLY (like [`become_controller`]'s prior-drop) and does NOT\r\n    /// [`stamp_driven_by`] — the OFF-lock `converge_perch_stamps` writes the honest\r\n    /// stamp. Returns true iff it reaped.\r\n    ///\r\n    /// SCOPE (doyle B-2 reduction): catches a writer that FAILED A WRITE (output was\r\n    /// flowing when the conn severed) or whose detach was dropped by a prior wedge\r\n    /// (the B-1 poison class). A TRULY IDLE severed controller (writer parked on recv,\r\n    /// no output, conn not yet EOF'd) stays `is_finished() == false` and converges\r\n    /// only once output resumes or the conn EOFs (→ `handle_conn` detach) — that\r\n    /// harder active-probe case is the reserved [`REQ-HAZARD-DRIVEN-BY-IDLE-REMOTE-EVICT`],\r\n    /// deliberately NOT built here. KH 7.15 held by construction: only ever CLEARS,\r\n    /// never latches `driven_by`.\r\n    // [impl->REQ-CONTROLLER-LIVENESS-REAP]\r\n    fn reap_dead_controller(&mut self) -> bool {\r\n        let dead = self\r\n            .controller\r\n            .as_ref()\r\n            .is_some_and(|c| c._writer.is_finished());\r\n        if dead {\r\n            // In-memory drop only (ends the — already-exited — writer); NO stamp here\r\n            // (info.json I/O under the log lock is the KH 7.12 hazard). converge does it.\r\n            self.controller = None;\r\n            return true;\r\n        }\r\n        // W2 decouple (REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE): a controller whose\r\n        // writer is BLOCKED (not exited) on a suspended brain conn past\r\n        // BRAIN_WRITE_DEADLINE is also reaped here, so the honest `KIND_SESSIONS`\r\n        // truth + the off-lock converge_perch_stamps release its stale `driven_by`\r\n        // stamp even when nobody take/reattaches. Deferred stamp: the reap runs in\r\n        // the multi-session snapshot closure (no I/O under the shared sessions lock).\r\n…\n    }\n…\n}","startLine":449,"lineNumbers":[449,450,451,452,453,454,455,456,457,458,459,460,461,462,463,464,465,466,467,468,469,470,471,472,473,474,475,476,477,478,479,480,481,482,483,484,485,486,487,488,489,490,491,492,493,494,495,496,497,498,499,500,501,502,503,504,505,506,507,508,509,510,511,512,513,514,515,516,517,518,519,520,521,522,523,524,525,526,527,528,529,530,531,532,533,534,535,536,537,538,539,540,541,542,543,544,545,546,547,548,549,550,551,552,553,554,555,556,557,558,559,560,561,562,563,564,565,566,567,568,569,570,571,572,573,574,575,576,577,578,579,580,581,582,583,584,585,586,587,588,589,590,591,592,593,594,595,596,597,598,599,600,601,602,603,604,605,606,607,608,609,610,611,612,613,614,615,616,617,618,619,620,621,622,623,624,625,626,627,628,629,630,631,632,633,634,635,636,637,638,639,640,641,642,643,644,645,646,647,648,649,650,651,652,653,654,655,656,657,658,659,660,661,662,663,664,665,666,667,668,669,670,671,672,673,674,675,676,677,678,679,680,681,682,683,684,685,686,687,688,689,690,691,692,693,694,695,696,697,698,699,700,701,702,703,704,705,706,707,708,709,710,711,712,713,714,715,716,717,718,719,720,721,722,723,724,725,726,727,728,729,730,731,732,733,734,735,736,737,738,739,740,741,742,743,744,745,746,747,748,749,750,751,752,753,754,755,756,757,758,759,760,761,762,763,764,765,766,767,768,769,770,771,772,773,774,775,776,777,778,779,780,781,782,783,784,785,786,787,788,789,790,791,792,793,794,795,796,797,798,799,800,801,802,803,804,805,806,807,808,809,810,811,812,813,814,815,816,817,818,819,820,821,822,823,824,825,826,827,828,829,830,831,832,833,834,835,836,837,838,839,840,841,842,843,844,845,846,847,848,849,850,851,852,853,854,855,856,857,858,859,860,861,862,863,864,865,866,867,868,869,870,871,872,873,874,875,876,877,878,879,880,881,882,883,884,885,886,887,888,889,890,891,892,893,894,895,896,897,898,899,900,901,902,903,904,905,906,907,908,909,910,911,912,913,914,915,916,917,918,919,920,921,922,923,924,925,926,927,928,929,930,931,932,933,934,935,936,937,938,939,940,941,942,943,944,945,946,947,948,949,950,951,952,953,954,955,956,957,958,959,960,961,962,963,964,965,966,967,968,969,970,971,972,973,974,975,976,977,978,979,980,981,982,983,null,985,null,1317]},"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":5718,"totalBytes":29317,"outputLines":535,"outputBytes":29317,"shownRange":{"start":449,"end":983},"nextOffset":984}}},"isError":false,"timestamp":1783657480453}}
{"type":"message","id":"4ab781fa","parentId":"3f2d393b","timestamp":"2026-07-10T04:24:40.453Z","message":{"role":"toolResult","toolCallId":"call_tn4ZEWvG3DxkLOebDaCbQmTG|fc_0ec86a6c795d74b7016a5074083e1481958c2fbdaa24fb5cfc","toolName":"read","content":[{"type":"text","text":"[broker.rs#1F25]\n1377:fn advance_delivered(dt: &AtomicU64, seq: u64) {\n…\n1379:    loop {\n1380:        let next = advanced_cursor(cur, seq, true);\n1381:        if next == cur {\n1382:            return;\n1383:        }\n1384:        match dt.compare_exchange_weak(cur, next, Ordering::AcqRel, Ordering::Acquire) {\n1385:            Ok(_) => return,\n1386:            Err(actual) => cur = actual,\n1387:        }\n1388:    }\n1389:}\n1390:\n1391:/// Advance the controller resume cursor CONTIGUOUSLY (b4 / the (a) B2-gate): move to\n1392:/// `seq + 1` ONLY when the cursor is EXACTLY `seq` (the next expected seq). A gap\n1393:/// (`seq > cursor` — a frame the drain dropped while the controller channel was Full,\n1394:/// the b4 backpressure) FREEZES the cursor at last-contiguous, so a re-attaching\n1395:/// brain's `resume_seq` never skips a dropped chunk (a high-watermark jump PAST the\n1396:/// gap would be a not-exactly-once / non-gapless resume = a B2 violation). An\n1397:/// already-delivered `seq` (`seq < cursor`, a rewind re-send) is a no-op. A single CAS,\n1398:/// no loop: it advances by exactly one, or not at all. In the NO-DROP path (every\n1399:/// live frame is contiguous) this is identical to [`advance_delivered`].\n1400:// [impl->REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE]\n1401:fn contiguous_advance(dt: &AtomicU64, seq: u64) {\n1402:    let _ = dt.compare_exchange(seq, seq + 1, Ordering::AcqRel, Ordering::Acquire);\n1403:}\n1404:\n1405:/// The interactive CONTROLLER's dedicated writer thread (W1 /\n1406:/// REQ-HAZARD-INJECT-CONTROL-COEXIST) — the authoritative analog of\n1407:/// [`viewer_writer`]. Write the `initial` ring-replay batch (advancing the resume\n1408:/// cursor on each success), then drain live [`CtrlMsg`]s with a BLOCKING socket\n1409:/// write each — so a backed-up controller blocks ONLY this thread, never the\n1410:/// session drain (which used to write the controller inline under the log lock).\n1411:/// A failed write (dead operator) ends the thread; the drain's next bounded\n1412:/// send then sees `Disconnected` and detaches the row. `Output` advances\n1413:/// `delivered_through`; `Control` (Displaced/…) does not.\n1414:// [impl->REQ-HAZARD-INJECT-CONTROL-COEXIST]\n1415:// [impl->REQ-HAZARD-CONTROLLER-WRITER-REORDER]\n1416:#[allow(clippy::too_many_arguments)] // per-writer thread-handoff channels (W2 added the blocked-since signal); a struct would obscure the call\n1417:fn controller_writer(\n1418:    sid: u64,\n1419:    send: SharedSend,\n1420:    initial: Vec<(u64, Vec<u8>)>,\n1421:    rx: Receiver<CtrlMsg>,\n1422:    delivered_through: Arc<AtomicU64>,\n1423:    epoch: u64,\n1424:    controller_epoch: Arc<AtomicU64>,\n1425:    write_blocked_since: Arc<Mutex<Option<Instant>>>,\n1426:) {\n1427:    // W2 decouple (REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE): mark the exact window a\n1428:    // BLOCKING socket write is in flight, so a reader can tell a WEDGED writer (brain\n1429:    // conn suspended) from a merely idle one and stall-evict it. Set BEFORE the write,\n1430:    // cleared AFTER — the mutex is never held across `write_frame` (that would just\n1431:    // move the wedge onto the mutex).\n1432:    let mark_blocked = |on: bool| {\n1433:        if let Ok(mut g) = write_blocked_since.lock() {\n1434:            *g = if on { Some(Instant::now()) } else { None };\n1435:        }\n1436:    };\n1437:    for (seq, bytes) in &initial {\n1438:        let frame = output_envelope(sid, *seq, bytes);\n1439:        // P1c: a SUPERSEDED writer (a newer `become_controller` bumped the shared\n1440:        // epoch past ours) must write NOTHING further — otherwise its owned\n1441:        // initial batch races the new writer on the same socket and reorders the\n1442:        // seq stream. The gate is read UNDER `send.lock()`, atomically with the\n1443:        // write: both writers serialize on this one socket mutex, and\n1444:        // `become_controller` bumps the epoch BEFORE spawning the new writer, so\n1445:        // whichever superseded writer next holds the lock observes the bump and\n1446:        // bails before committing — no check-then-block-then-write window. (A\n1447:        // frame the stale writer committed BEFORE the bump is irreducible at the\n1448:        // broker; fix #1 removes the contradictory double-take that produced it.)\n1449:        mark_blocked(true);\n1450:        let ok = match send.lock() {\n1451:            Ok(mut s) => {\n1452:                if controller_epoch.load(Ordering::Acquire) != epoch {\n1453:                    mark_blocked(false);\n1454:                    return;\n1455:                }\n1456:                write_frame(&mut *s, &frame).is_ok()\n1457:            }\n1458:            Err(_) => false,\n1459:        };\n1460:        mark_blocked(false);\n1461:        if !ok {\n1462:            return;\n1463:        }\n1464:        advance_delivered(&delivered_through, *seq);\n1465:    }\n1466:    while let Ok(msg) = rx.recv() {\n1467:        let (frame, seq) = match &msg {\n1468:            CtrlMsg::Output(seq, frame) => (frame, Some(*seq)),\n1469:            CtrlMsg::Control(frame) => (frame, None),\n1470:        };\n1471:        // NO epoch gate on the live path (P1c): new output only ever flows to the\n1472:        // CURRENT controller's channel (the drain clones `self.controller.tx`), so\n1473:        // a superseded writer's channel holds only its pre-supersede output\n1474:        // backlog (seq the consumer dedups via snap-above) plus its own TERMINAL\n1475:        // control frames — notably the `Displaced` kick the displaced controller\n1476:        // MUST still receive. The loop ends naturally when `tx` drops. Gating\n1477:        // output here would suppress that `Displaced` (the cv-matrix loud-take\n1478:        // hang). The reorder hazard is the INITIAL-BATCH replay, gated above.\n1479:        mark_blocked(true);\n1480:        let ok = match send.lock() {\n1481:            Ok(mut s) => write_frame(&mut *s, frame).is_ok(),\n1482:            Err(_) => false,\n1483:        };\n1484:        mark_blocked(false);\n1485:        if !ok {\n1486:            return;\n1487:        }\n1488:        if let Some(seq) = seq {\n1489:            // (a) CONTIGUOUS cursor (b4 / B2 gapless-resume — doyle's gate): with the\n1490:            // drop-on-full handoff in `append`, the controller's live channel can SKIP\n1491:            // a seq (dropped while Full). The frame still went to the socket (the live\n1492:            // operator sees it), but the durable resume cursor must NOT jump past the\n1493:            // gap — see [`contiguous_advance`].\n1494:            contiguous_advance(&delivered_through, seq);\n1495:        }\n1496:    }\n1497:}\n1498:\n\n[Showing lines 1379-1498 of 5718. Use :1499 to continue]"}],"details":{"truncation":{"content":"    loop {\r\n        let next = advanced_cursor(cur, seq, true);\r\n        if next == cur {\r\n            return;\r\n        }\r\n        match dt.compare_exchange_weak(cur, next, Ordering::AcqRel, Ordering::Acquire) {\r\n            Ok(_) => return,\r\n            Err(actual) => cur = actual,\r\n        }\r\n    }\r\n}\r\n\r\n/// Advance the controller resume cursor CONTIGUOUSLY (b4 / the (a) B2-gate): move to\r\n/// `seq + 1` ONLY when the cursor is EXACTLY `seq` (the next expected seq). A gap\r\n/// (`seq > cursor` — a frame the drain dropped while the controller channel was Full,\r\n/// the b4 backpressure) FREEZES the cursor at last-contiguous, so a re-attaching\r\n/// brain's `resume_seq` never skips a dropped chunk (a high-watermark jump PAST the\r\n/// gap would be a not-exactly-once / non-gapless resume = a B2 violation). An\r\n/// already-delivered `seq` (`seq < cursor`, a rewind re-send) is a no-op. A single CAS,\r\n/// no loop: it advances by exactly one, or not at all. In the NO-DROP path (every\r\n/// live frame is contiguous) this is identical to [`advance_delivered`].\r\n// [impl->REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE]\r\nfn contiguous_advance(dt: &AtomicU64, seq: u64) {\r\n    let _ = dt.compare_exchange(seq, seq + 1, Ordering::AcqRel, Ordering::Acquire);\r\n}\r\n\r\n/// The interactive CONTROLLER's dedicated writer thread (W1 /\r\n/// REQ-HAZARD-INJECT-CONTROL-COEXIST) — the authoritative analog of\r\n/// [`viewer_writer`]. Write the `initial` ring-replay batch (advancing the resume\r\n/// cursor on each success), then drain live [`CtrlMsg`]s with a BLOCKING socket\r\n/// write each — so a backed-up controller blocks ONLY this thread, never the\r\n/// session drain (which used to write the controller inline under the log lock).\r\n/// A failed write (dead operator) ends the thread; the drain's next bounded\r\n/// send then sees `Disconnected` and detaches the row. `Output` advances\r\n/// `delivered_through`; `Control` (Displaced/…) does not.\r\n// [impl->REQ-HAZARD-INJECT-CONTROL-COEXIST]\r\n// [impl->REQ-HAZARD-CONTROLLER-WRITER-REORDER]\r\n#[allow(clippy::too_many_arguments)] // per-writer thread-handoff channels (W2 added the blocked-since signal); a struct would obscure the call\r\nfn controller_writer(\r\n    sid: u64,\r\n    send: SharedSend,\r\n    initial: Vec<(u64, Vec<u8>)>,\r\n    rx: Receiver<CtrlMsg>,\r\n    delivered_through: Arc<AtomicU64>,\r\n    epoch: u64,\r\n    controller_epoch: Arc<AtomicU64>,\r\n    write_blocked_since: Arc<Mutex<Option<Instant>>>,\r\n) {\r\n    // W2 decouple (REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE): mark the exact window a\r\n    // BLOCKING socket write is in flight, so a reader can tell a WEDGED writer (brain\r\n    // conn suspended) from a merely idle one and stall-evict it. Set BEFORE the write,\r\n    // cleared AFTER — the mutex is never held across `write_frame` (that would just\r\n    // move the wedge onto the mutex).\r\n    let mark_blocked = |on: bool| {\r\n        if let Ok(mut g) = write_blocked_since.lock() {\r\n            *g = if on { Some(Instant::now()) } else { None };\r\n        }\r\n    };\r\n    for (seq, bytes) in &initial {\r\n        let frame = output_envelope(sid, *seq, bytes);\r\n        // P1c: a SUPERSEDED writer (a newer `become_controller` bumped the shared\r\n        // epoch past ours) must write NOTHING further — otherwise its owned\r\n        // initial batch races the new writer on the same socket and reorders the\r\n        // seq stream. The gate is read UNDER `send.lock()`, atomically with the\r\n        // write: both writers serialize on this one socket mutex, and\r\n        // `become_controller` bumps the epoch BEFORE spawning the new writer, so\r\n        // whichever superseded writer next holds the lock observes the bump and\r\n        // bails before committing — no check-then-block-then-write window. (A\r\n        // frame the stale writer committed BEFORE the bump is irreducible at the\r\n        // broker; fix #1 removes the contradictory double-take that produced it.)\r\n        mark_blocked(true);\r\n        let ok = match send.lock() {\r\n            Ok(mut s) => {\r\n                if controller_epoch.load(Ordering::Acquire) != epoch {\r\n                    mark_blocked(false);\r\n                    return;\r\n                }\r\n                write_frame(&mut *s, &frame).is_ok()\r\n            }\r\n            Err(_) => false,\r\n        };\r\n        mark_blocked(false);\r\n        if !ok {\r\n            return;\r\n        }\r\n        advance_delivered(&delivered_through, *seq);\r\n    }\r\n    while let Ok(msg) = rx.recv() {\r\n        let (frame, seq) = match &msg {\r\n            CtrlMsg::Output(seq, frame) => (frame, Some(*seq)),\r\n            CtrlMsg::Control(frame) => (frame, None),\r\n        };\r\n        // NO epoch gate on the live path (P1c): new output only ever flows to the\r\n        // CURRENT controller's channel (the drain clones `self.controller.tx`), so\r\n        // a superseded writer's channel holds only its pre-supersede output\r\n        // backlog (seq the consumer dedups via snap-above) plus its own TERMINAL\r\n        // control frames — notably the `Displaced` kick the displaced controller\r\n        // MUST still receive. The loop ends naturally when `tx` drops. Gating\r\n        // output here would suppress that `Displaced` (the cv-matrix loud-take\r\n        // hang). The reorder hazard is the INITIAL-BATCH replay, gated above.\r\n        mark_blocked(true);\r\n        let ok = match send.lock() {\r\n            Ok(mut s) => write_frame(&mut *s, frame).is_ok(),\r\n            Err(_) => false,\r\n        };\r\n        mark_blocked(false);\r\n        if !ok {\r\n            return;\r\n        }\r\n        if let Some(seq) = seq {\r\n            // (a) CONTIGUOUS cursor (b4 / B2 gapless-resume — doyle's gate): with the\r\n            // drop-on-full handoff in `append`, the controller's live channel can SKIP\r\n            // a seq (dropped while Full). The frame still went to the socket (the live\r\n            // operator sees it), but the durable resume cursor must NOT jump past the\r\n            // gap — see [`contiguous_advance`].\r\n            contiguous_advance(&delivered_through, seq);\r\n        }\r\n    }\r\n}\r\n\r","truncated":true,"truncatedBy":"lines","totalLines":4340,"totalBytes":6101,"outputLines":120,"outputBytes":6101,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"fn advance_delivered(dt: &AtomicU64, seq: u64) {\n…\n    loop {\r\n        let next = advanced_cursor(cur, seq, true);\r\n        if next == cur {\r\n            return;\r\n        }\r\n        match dt.compare_exchange_weak(cur, next, Ordering::AcqRel, Ordering::Acquire) {\r\n            Ok(_) => return,\r\n            Err(actual) => cur = actual,\r\n        }\r\n    }\r\n}\r\n\r\n/// Advance the controller resume cursor CONTIGUOUSLY (b4 / the (a) B2-gate): move to\r\n/// `seq + 1` ONLY when the cursor is EXACTLY `seq` (the next expected seq). A gap\r\n/// (`seq > cursor` — a frame the drain dropped while the controller channel was Full,\r\n/// the b4 backpressure) FREEZES the cursor at last-contiguous, so a re-attaching\r\n/// brain's `resume_seq` never skips a dropped chunk (a high-watermark jump PAST the\r\n/// gap would be a not-exactly-once / non-gapless resume = a B2 violation). An\r\n/// already-delivered `seq` (`seq < cursor`, a rewind re-send) is a no-op. A single CAS,\r\n/// no loop: it advances by exactly one, or not at all. In the NO-DROP path (every\r\n/// live frame is contiguous) this is identical to [`advance_delivered`].\r\n// [impl->REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE]\r\nfn contiguous_advance(dt: &AtomicU64, seq: u64) {\r\n    let _ = dt.compare_exchange(seq, seq + 1, Ordering::AcqRel, Ordering::Acquire);\r\n}\r\n\r\n/// The interactive CONTROLLER's dedicated writer thread (W1 /\r\n/// REQ-HAZARD-INJECT-CONTROL-COEXIST) — the authoritative analog of\r\n/// [`viewer_writer`]. Write the `initial` ring-replay batch (advancing the resume\r\n/// cursor on each success), then drain live [`CtrlMsg`]s with a BLOCKING socket\r\n/// write each — so a backed-up controller blocks ONLY this thread, never the\r\n/// session drain (which used to write the controller inline under the log lock).\r\n/// A failed write (dead operator) ends the thread; the drain's next bounded\r\n/// send then sees `Disconnected` and detaches the row. `Output` advances\r\n/// `delivered_through`; `Control` (Displaced/…) does not.\r\n// [impl->REQ-HAZARD-INJECT-CONTROL-COEXIST]\r\n// [impl->REQ-HAZARD-CONTROLLER-WRITER-REORDER]\r\n#[allow(clippy::too_many_arguments)] // per-writer thread-handoff channels (W2 added the blocked-since signal); a struct would obscure the call\r\nfn controller_writer(\r\n    sid: u64,\r\n    send: SharedSend,\r\n    initial: Vec<(u64, Vec<u8>)>,\r\n    rx: Receiver<CtrlMsg>,\r\n    delivered_through: Arc<AtomicU64>,\r\n    epoch: u64,\r\n    controller_epoch: Arc<AtomicU64>,\r\n    write_blocked_since: Arc<Mutex<Option<Instant>>>,\r\n) {\r\n    // W2 decouple (REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE): mark the exact window a\r\n    // BLOCKING socket write is in flight, so a reader can tell a WEDGED writer (brain\r\n    // conn suspended) from a merely idle one and stall-evict it. Set BEFORE the write,\r\n    // cleared AFTER — the mutex is never held across `write_frame` (that would just\r\n    // move the wedge onto the mutex).\r\n    let mark_blocked = |on: bool| {\r\n        if let Ok(mut g) = write_blocked_since.lock() {\r\n            *g = if on { Some(Instant::now()) } else { None };\r\n        }\r\n    };\r\n    for (seq, bytes) in &initial {\r\n        let frame = output_envelope(sid, *seq, bytes);\r\n        // P1c: a SUPERSEDED writer (a newer `become_controller` bumped the shared\r\n        // epoch past ours) must write NOTHING further — otherwise its owned\r\n        // initial batch races the new writer on the same socket and reorders the\r\n        // seq stream. The gate is read UNDER `send.lock()`, atomically with the\r\n        // write: both writers serialize on this one socket mutex, and\r\n        // `become_controller` bumps the epoch BEFORE spawning the new writer, so\r\n        // whichever superseded writer next holds the lock observes the bump and\r\n        // bails before committing — no check-then-block-then-write window. (A\r\n        // frame the stale writer committed BEFORE the bump is irreducible at the\r\n        // broker; fix #1 removes the contradictory double-take that produced it.)\r\n        mark_blocked(true);\r\n        let ok = match send.lock() {\r\n            Ok(mut s) => {\r\n                if controller_epoch.load(Ordering::Acquire) != epoch {\r\n                    mark_blocked(false);\r\n                    return;\r\n                }\r\n                write_frame(&mut *s, &frame).is_ok()\r\n            }\r\n            Err(_) => false,\r\n        };\r\n        mark_blocked(false);\r\n        if !ok {\r\n            return;\r\n        }\r\n        advance_delivered(&delivered_through, *seq);\r\n    }\r\n    while let Ok(msg) = rx.recv() {\r\n        let (frame, seq) = match &msg {\r\n            CtrlMsg::Output(seq, frame) => (frame, Some(*seq)),\r\n            CtrlMsg::Control(frame) => (frame, None),\r\n        };\r\n        // NO epoch gate on the live path (P1c): new output only ever flows to the\r\n        // CURRENT controller's channel (the drain clones `self.controller.tx`), so\r\n        // a superseded writer's channel holds only its pre-supersede output\r\n        // backlog (seq the consumer dedups via snap-above) plus its own TERMINAL\r\n        // control frames — notably the `Displaced` kick the displaced controller\r\n        // MUST still receive. The loop ends naturally when `tx` drops. Gating\r\n        // output here would suppress that `Displaced` (the cv-matrix loud-take\r\n        // hang). The reorder hazard is the INITIAL-BATCH replay, gated above.\r\n        mark_blocked(true);\r\n        let ok = match send.lock() {\r\n            Ok(mut s) => write_frame(&mut *s, frame).is_ok(),\r\n            Err(_) => false,\r\n        };\r\n        mark_blocked(false);\r\n        if !ok {\r\n            return;\r\n        }\r\n        if let Some(seq) = seq {\r\n            // (a) CONTIGUOUS cursor (b4 / B2 gapless-resume — doyle's gate): with the\r\n            // drop-on-full handoff in `append`, the controller's live channel can SKIP\r\n            // a seq (dropped while Full). The frame still went to the socket (the live\r\n            // operator sees it), but the durable resume cursor must NOT jump past the\r\n            // gap — see [`contiguous_advance`].\r\n            contiguous_advance(&delivered_through, seq);\r\n        }\r\n    }\r\n}\r\n\r","startLine":1377,"lineNumbers":[1377,null,1379,1380,1381,1382,1383,1384,1385,1386,1387,1388,1389,1390,1391,1392,1393,1394,1395,1396,1397,1398,1399,1400,1401,1402,1403,1404,1405,1406,1407,1408,1409,1410,1411,1412,1413,1414,1415,1416,1417,1418,1419,1420,1421,1422,1423,1424,1425,1426,1427,1428,1429,1430,1431,1432,1433,1434,1435,1436,1437,1438,1439,1440,1441,1442,1443,1444,1445,1446,1447,1448,1449,1450,1451,1452,1453,1454,1455,1456,1457,1458,1459,1460,1461,1462,1463,1464,1465,1466,1467,1468,1469,1470,1471,1472,1473,1474,1475,1476,1477,1478,1479,1480,1481,1482,1483,1484,1485,1486,1487,1488,1489,1490,1491,1492,1493,1494,1495,1496,1497,1498]},"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":5718,"totalBytes":6101,"outputLines":120,"outputBytes":6101,"shownRange":{"start":1379,"end":1498},"nextOffset":1499}}},"isError":false,"timestamp":1783657480453}}
{"type":"message","id":"decd8669","parentId":"4ab781fa","timestamp":"2026-07-10T04:24:40.453Z","message":{"role":"toolResult","toolCallId":"call_ykTKNLjwf3hdKlNWlHBHHQxE|fc_0ec86a6c795d74b7016a5074083e1c8195b00123ebb03a5508","toolName":"read","content":[{"type":"text","text":"[broker.rs#1F25]\n1579:/// few hundred KB of real paste.\n1580:const INPUT_QUEUE_DEPTH: usize = 4096;\n1581:\n1582:/// The effective input FIFO depth: production is [`INPUT_QUEUE_DEPTH`]; the int\n1583:/// gate overrides it (`SPT_INPUT_QUEUE_DEPTH`) to a tiny value to force a\n1584:/// deterministic queue saturation — the depth's PRESENCE (bounded, drop-on-full)\n1585:/// is the invariant, not its exact value.\n1586:fn input_queue_depth() -> usize {\n1587:    match std::env::var(\"SPT_INPUT_QUEUE_DEPTH\") {\n1588:        Ok(n) => n\n1589:            .parse::<usize>()\n1590:            .ok()\n1591:            .filter(|d| *d > 0)\n1592:            .unwrap_or(INPUT_QUEUE_DEPTH),\n1593:        Err(_) => INPUT_QUEUE_DEPTH,\n1594:    }\n1595:}\n1596:\n1597:/// One session's dedicated PTY input-writer (v0.13.0 P0,\n1598:/// REQ-HAZARD-PTY-INPUT-WRITER-WEDGE). The `writer` thread is the SOLE caller of\n1599:/// the blocking [`SessionSurface::write_input`]; every other site enqueues a\n1600:/// record via [`InputWriter::enqueue`] (a non-blocking `try_send`) and returns\n1601:/// immediately. So a paste burst that fills the ConPTY/forkpty input buffer\n1602:/// parks ONLY this thread — the broker dispatch thread, attach-opens, resizes,\n1603:/// and every other session stay fully live (the W1b-deferred fix (2)). Mirrors\n1604:/// the OUTPUT-side [`ViewerSink`]/[`ControllerSink`] writer-thread pattern.\n1605:struct InputWriter {\n1606:    /// The bounded input FIFO to the writer thread. `try_send` only — a full\n1607:    /// queue (a genuinely wedged harness) DROPS, it never blocks.\n1608:    tx: SyncSender<InputRecord>,\n1609:    /// True while the FIFO is saturated and input is being dropped; cleared on\n1610:    /// the next accepted enqueue (heal-on-resume). Mirrored to the perch's\n1611:    /// `input_backpressure` so the operator sees the drop.\n1612:    backpressure: AtomicBool,\n1613:    /// The owning endpoint (the spawn's label; empty = unlabeled / raw test) —\n1614:    /// the perch whose `input_backpressure` this stamps. Empty ⇒ nowhere to record.\n1615:    endpoint: String,\n1616:    /// The writer thread handle (held for ownership; the thread drains until the\n1617:    /// last `tx` clone drops at session teardown, then exits).\n1618:    _writer: JoinHandle<()>,\n1619:}\n1620:\n1621:impl InputWriter {\n1622:    /// Spawn a session's input-writer thread. `session` is the `Arc<PtySession>`\n1623:    /// whose PTY write handle this thread now exclusively owns.\n1624:    fn spawn(session: Arc<PtySession>, endpoint: String) -> Arc<InputWriter> {\n1625:        let (tx, rx) = sync_channel::<InputRecord>(input_queue_depth());\n1626:        let writer = thread::spawn(move || input_writer(session, rx));\n1627:        Arc::new(InputWriter {\n1628:            tx,\n1629:            backpressure: AtomicBool::new(false),\n1630:            endpoint,\n1631:            _writer: writer,\n1632:        })\n1633:    }\n1634:\n1635:    /// Enqueue `bytes` for the PTY write thread — NON-BLOCKING. Returns `true`\n1636:    /// when accepted (ordered, will land), `false` when the FIFO was full and the\n1637:    /// record was DROPPED. A full queue stamps `INPUT_BACKPRESSURE` (once, on the\n1638:    /// rising edge); the next accepted enqueue clears it (heal). The dispatch\n1639:    /// thread never blocks here, however stuck the harness is.\n1640:    // [impl->REQ-HAZARD-PTY-INPUT-WRITER-WEDGE]\n1641:    fn enqueue(&self, bytes: InputRecord) -> bool {\n1642:        match self.tx.try_send(bytes) {\n1643:            Ok(()) => {\n1644:                // Heal: input is flowing again — clear a prior backpressure stamp.\n1645:                if self.backpressure.swap(false, Ordering::AcqRel) {\n1646:                    self.stamp_backpressure(false);\n1647:                }\n1648:                true\n1649:            }\n1650:            Err(TrySendError::Full(_)) => {\n1651:                // DROP + surface, but stamp only on the rising edge.\n1652:                if !self.backpressure.swap(true, Ordering::AcqRel) {\n1653:                    self.stamp_backpressure(true);\n1654:                }\n1655:                false\n1656:            }\n1657:            // The writer thread is gone (session teardown) — nothing to do.\n1658:            Err(TrySendError::Disconnected(_)) => false,\n1659:        }\n1660:    }\n1661:\n1662:    /// Mirror the input-backpressure signal to the perch's `info.json` (the\n1663:    /// broker is the single writer). Best-effort: a session served without a\n1664:    /// perch (raw broker tests) has nowhere to record.\n1665:    fn stamp_backpressure(&self, dropping: bool) {\n1666:        if self.endpoint.is_empty() {\n1667:            return;\n1668:        }\n1669:        let perch = resolve_perch_path(&self.endpoint, ParentHint::Infer);\n1670:        let _ = spt_store::info::set_input_backpressure(&perch, dropping);\n1671:    }\n1672:}\n1673:\n1674:/// A session's input-writer thread (REQ-HAZARD-PTY-INPUT-WRITER-WEDGE): drain\n1675:/// records from `rx` and apply each via the BLOCKING\n1676:/// [`SessionSurface::write_input`] — the ONE place that touches the PTY writer. A\n1677:/// wedged harness parks this thread (and only this thread); a write error is\n1678:/// swallowed (the same best-effort the inline callers had). The thread exits\n1679:/// when the last `tx` clone drops at session teardown.\n1680:fn input_writer(session: Arc<PtySession>, rx: Receiver<InputRecord>) {\n1681:    while let Ok(bytes) = rx.recv() {\n1682:        let _ = session.write_input(&bytes);\n1683:    }\n1684:}\n1685:\n1686:/// Drain the inject floor's buffered controller input to the PTY **after** an\n1687:/// injected sequence, then release the floor. Each step takes the buffered bytes\n1688:/// OFF the lock before ENQUEUEING it to the lone input-writer (the W1 rule: never\n1689:/// hold a lock across a PTY write — now never block on it either); input arriving\n1690:/// mid-flush keeps buffering, so strict order is preserved until the buffer\n1691:/// drains empty and the floor frees.\n1692:/// Lock the per-session inject floor, RECOVERING a poisoned mutex instead of\n1693:/// panicking (B6, REQ-HAZARD-INJECT-WORKER-POISON). The floor is SHARED by the\n1694:/// inject worker (`run_inject_worker` open / `flush_inject_floor`) and the\n1695:/// controller-input path (`dispatch_input` Layer C `buffer_if_held`). A panic under\n1696:/// the lock on EITHER poisons it; a bare `.lock().unwrap()` at the next site then\n1697:/// panics too — and a panic in the inject WORKER kills its thread WITHOUT reaping\n1698:/// the translation child, ORPHANING a live binary while `event_tx.send` fails, so\n1699:/// force-native delivery reports \"worker-gone\" (delivered=false) FOREVER though the\n1700:/// pid is alive (the F-e mis-diagnosed \"translation-binary liveness decay\").\n1701:/// Recovering the guard (the effect-journal poison-tolerance idiom, bug #16 /\n1702:/// REQ-HAZARD-EFFECT-JOURNAL-PTY-WEDGE) keeps the floor usable so ONE panic cannot\n1703:/// cascade the whole session's delivery dead.\n1704:// [impl->REQ-HAZARD-INJECT-WORKER-POISON]\n1705:fn lock_floor(floor: &Mutex<InjectFloor>) -> std::sync::MutexGuard<'_, InjectFloor> {\n1706:    floor.lock().unwrap_or_else(|p| p.into_inner())\n1707:}\n1708:\n1709:/// Poison-tolerant lock for ANY broker-resident mutex reachable from serve/dispatch\n1710:/// (B-1, REQ-HAZARD-BROKER-FLOOR-LOCK-POISON). A brain-only self-update keeps the\n1711:/// broker process — and every one of its `Mutex`es — ALIVE (REQ-UPD-3), so a single\n1712:/// panic while another thread held one of these locks would otherwise POISON it\n1713:/// permanently: the next `.lock().unwrap()` panics too, its per-conn reply thread\n\n[Showing lines 1579-1713 of 5718. Use :1714 to continue]"}],"details":{"truncation":{"content":"/// few hundred KB of real paste.\r\nconst INPUT_QUEUE_DEPTH: usize = 4096;\r\n\r\n/// The effective input FIFO depth: production is [`INPUT_QUEUE_DEPTH`]; the int\r\n/// gate overrides it (`SPT_INPUT_QUEUE_DEPTH`) to a tiny value to force a\r\n/// deterministic queue saturation — the depth's PRESENCE (bounded, drop-on-full)\r\n/// is the invariant, not its exact value.\r\nfn input_queue_depth() -> usize {\r\n    match std::env::var(\"SPT_INPUT_QUEUE_DEPTH\") {\r\n        Ok(n) => n\r\n            .parse::<usize>()\r\n            .ok()\r\n            .filter(|d| *d > 0)\r\n            .unwrap_or(INPUT_QUEUE_DEPTH),\r\n        Err(_) => INPUT_QUEUE_DEPTH,\r\n    }\r\n}\r\n\r\n/// One session's dedicated PTY input-writer (v0.13.0 P0,\r\n/// REQ-HAZARD-PTY-INPUT-WRITER-WEDGE). The `writer` thread is the SOLE caller of\r\n/// the blocking [`SessionSurface::write_input`]; every other site enqueues a\r\n/// record via [`InputWriter::enqueue`] (a non-blocking `try_send`) and returns\r\n/// immediately. So a paste burst that fills the ConPTY/forkpty input buffer\r\n/// parks ONLY this thread — the broker dispatch thread, attach-opens, resizes,\r\n/// and every other session stay fully live (the W1b-deferred fix (2)). Mirrors\r\n/// the OUTPUT-side [`ViewerSink`]/[`ControllerSink`] writer-thread pattern.\r\nstruct InputWriter {\r\n    /// The bounded input FIFO to the writer thread. `try_send` only — a full\r\n    /// queue (a genuinely wedged harness) DROPS, it never blocks.\r\n    tx: SyncSender<InputRecord>,\r\n    /// True while the FIFO is saturated and input is being dropped; cleared on\r\n    /// the next accepted enqueue (heal-on-resume). Mirrored to the perch's\r\n    /// `input_backpressure` so the operator sees the drop.\r\n    backpressure: AtomicBool,\r\n    /// The owning endpoint (the spawn's label; empty = unlabeled / raw test) —\r\n    /// the perch whose `input_backpressure` this stamps. Empty ⇒ nowhere to record.\r\n    endpoint: String,\r\n    /// The writer thread handle (held for ownership; the thread drains until the\r\n    /// last `tx` clone drops at session teardown, then exits).\r\n    _writer: JoinHandle<()>,\r\n}\r\n\r\nimpl InputWriter {\r\n    /// Spawn a session's input-writer thread. `session` is the `Arc<PtySession>`\r\n    /// whose PTY write handle this thread now exclusively owns.\r\n    fn spawn(session: Arc<PtySession>, endpoint: String) -> Arc<InputWriter> {\r\n        let (tx, rx) = sync_channel::<InputRecord>(input_queue_depth());\r\n        let writer = thread::spawn(move || input_writer(session, rx));\r\n        Arc::new(InputWriter {\r\n            tx,\r\n            backpressure: AtomicBool::new(false),\r\n            endpoint,\r\n            _writer: writer,\r\n        })\r\n    }\r\n\r\n    /// Enqueue `bytes` for the PTY write thread — NON-BLOCKING. Returns `true`\r\n    /// when accepted (ordered, will land), `false` when the FIFO was full and the\r\n    /// record was DROPPED. A full queue stamps `INPUT_BACKPRESSURE` (once, on the\r\n    /// rising edge); the next accepted enqueue clears it (heal). The dispatch\r\n    /// thread never blocks here, however stuck the harness is.\r\n    // [impl->REQ-HAZARD-PTY-INPUT-WRITER-WEDGE]\r\n    fn enqueue(&self, bytes: InputRecord) -> bool {\r\n        match self.tx.try_send(bytes) {\r\n            Ok(()) => {\r\n                // Heal: input is flowing again — clear a prior backpressure stamp.\r\n                if self.backpressure.swap(false, Ordering::AcqRel) {\r\n                    self.stamp_backpressure(false);\r\n                }\r\n                true\r\n            }\r\n            Err(TrySendError::Full(_)) => {\r\n                // DROP + surface, but stamp only on the rising edge.\r\n                if !self.backpressure.swap(true, Ordering::AcqRel) {\r\n                    self.stamp_backpressure(true);\r\n                }\r\n                false\r\n            }\r\n            // The writer thread is gone (session teardown) — nothing to do.\r\n            Err(TrySendError::Disconnected(_)) => false,\r\n        }\r\n    }\r\n\r\n    /// Mirror the input-backpressure signal to the perch's `info.json` (the\r\n    /// broker is the single writer). Best-effort: a session served without a\r\n    /// perch (raw broker tests) has nowhere to record.\r\n    fn stamp_backpressure(&self, dropping: bool) {\r\n        if self.endpoint.is_empty() {\r\n            return;\r\n        }\r\n        let perch = resolve_perch_path(&self.endpoint, ParentHint::Infer);\r\n        let _ = spt_store::info::set_input_backpressure(&perch, dropping);\r\n    }\r\n}\r\n\r\n/// A session's input-writer thread (REQ-HAZARD-PTY-INPUT-WRITER-WEDGE): drain\r\n/// records from `rx` and apply each via the BLOCKING\r\n/// [`SessionSurface::write_input`] — the ONE place that touches the PTY writer. A\r\n/// wedged harness parks this thread (and only this thread); a write error is\r\n/// swallowed (the same best-effort the inline callers had). The thread exits\r\n/// when the last `tx` clone drops at session teardown.\r\nfn input_writer(session: Arc<PtySession>, rx: Receiver<InputRecord>) {\r\n    while let Ok(bytes) = rx.recv() {\r\n        let _ = session.write_input(&bytes);\r\n    }\r\n}\r\n\r\n/// Drain the inject floor's buffered controller input to the PTY **after** an\r\n/// injected sequence, then release the floor. Each step takes the buffered bytes\r\n/// OFF the lock before ENQUEUEING it to the lone input-writer (the W1 rule: never\r\n/// hold a lock across a PTY write — now never block on it either); input arriving\r\n/// mid-flush keeps buffering, so strict order is preserved until the buffer\r\n/// drains empty and the floor frees.\r\n/// Lock the per-session inject floor, RECOVERING a poisoned mutex instead of\r\n/// panicking (B6, REQ-HAZARD-INJECT-WORKER-POISON). The floor is SHARED by the\r\n/// inject worker (`run_inject_worker` open / `flush_inject_floor`) and the\r\n/// controller-input path (`dispatch_input` Layer C `buffer_if_held`). A panic under\r\n/// the lock on EITHER poisons it; a bare `.lock().unwrap()` at the next site then\r\n/// panics too — and a panic in the inject WORKER kills its thread WITHOUT reaping\r\n/// the translation child, ORPHANING a live binary while `event_tx.send` fails, so\r\n/// force-native delivery reports \"worker-gone\" (delivered=false) FOREVER though the\r\n/// pid is alive (the F-e mis-diagnosed \"translation-binary liveness decay\").\r\n/// Recovering the guard (the effect-journal poison-tolerance idiom, bug #16 /\r\n/// REQ-HAZARD-EFFECT-JOURNAL-PTY-WEDGE) keeps the floor usable so ONE panic cannot\r\n/// cascade the whole session's delivery dead.\r\n// [impl->REQ-HAZARD-INJECT-WORKER-POISON]\r\nfn lock_floor(floor: &Mutex<InjectFloor>) -> std::sync::MutexGuard<'_, InjectFloor> {\r\n    floor.lock().unwrap_or_else(|p| p.into_inner())\r\n}\r\n\r\n/// Poison-tolerant lock for ANY broker-resident mutex reachable from serve/dispatch\r\n/// (B-1, REQ-HAZARD-BROKER-FLOOR-LOCK-POISON). A brain-only self-update keeps the\r\n/// broker process — and every one of its `Mutex`es — ALIVE (REQ-UPD-3), so a single\r\n/// panic while another thread held one of these locks would otherwise POISON it\r\n/// permanently: the next `.lock().unwrap()` panics too, its per-conn reply thread\r","truncated":true,"truncatedBy":"lines","totalLines":4140,"totalBytes":7080,"outputLines":135,"outputBytes":7080,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"/// few hundred KB of real paste.\r\nconst INPUT_QUEUE_DEPTH: usize = 4096;\r\n\r\n/// The effective input FIFO depth: production is [`INPUT_QUEUE_DEPTH`]; the int\r\n/// gate overrides it (`SPT_INPUT_QUEUE_DEPTH`) to a tiny value to force a\r\n/// deterministic queue saturation — the depth's PRESENCE (bounded, drop-on-full)\r\n/// is the invariant, not its exact value.\r\nfn input_queue_depth() -> usize {\r\n    match std::env::var(\"SPT_INPUT_QUEUE_DEPTH\") {\r\n        Ok(n) => n\r\n            .parse::<usize>()\r\n            .ok()\r\n            .filter(|d| *d > 0)\r\n            .unwrap_or(INPUT_QUEUE_DEPTH),\r\n        Err(_) => INPUT_QUEUE_DEPTH,\r\n    }\r\n}\r\n\r\n/// One session's dedicated PTY input-writer (v0.13.0 P0,\r\n/// REQ-HAZARD-PTY-INPUT-WRITER-WEDGE). The `writer` thread is the SOLE caller of\r\n/// the blocking [`SessionSurface::write_input`]; every other site enqueues a\r\n/// record via [`InputWriter::enqueue`] (a non-blocking `try_send`) and returns\r\n/// immediately. So a paste burst that fills the ConPTY/forkpty input buffer\r\n/// parks ONLY this thread — the broker dispatch thread, attach-opens, resizes,\r\n/// and every other session stay fully live (the W1b-deferred fix (2)). Mirrors\r\n/// the OUTPUT-side [`ViewerSink`]/[`ControllerSink`] writer-thread pattern.\r\nstruct InputWriter {\r\n    /// The bounded input FIFO to the writer thread. `try_send` only — a full\r\n    /// queue (a genuinely wedged harness) DROPS, it never blocks.\r\n    tx: SyncSender<InputRecord>,\r\n    /// True while the FIFO is saturated and input is being dropped; cleared on\r\n    /// the next accepted enqueue (heal-on-resume). Mirrored to the perch's\r\n    /// `input_backpressure` so the operator sees the drop.\r\n    backpressure: AtomicBool,\r\n    /// The owning endpoint (the spawn's label; empty = unlabeled / raw test) —\r\n    /// the perch whose `input_backpressure` this stamps. Empty ⇒ nowhere to record.\r\n    endpoint: String,\r\n    /// The writer thread handle (held for ownership; the thread drains until the\r\n    /// last `tx` clone drops at session teardown, then exits).\r\n    _writer: JoinHandle<()>,\r\n}\r\n\r\nimpl InputWriter {\r\n    /// Spawn a session's input-writer thread. `session` is the `Arc<PtySession>`\r\n    /// whose PTY write handle this thread now exclusively owns.\r\n    fn spawn(session: Arc<PtySession>, endpoint: String) -> Arc<InputWriter> {\r\n        let (tx, rx) = sync_channel::<InputRecord>(input_queue_depth());\r\n        let writer = thread::spawn(move || input_writer(session, rx));\r\n        Arc::new(InputWriter {\r\n            tx,\r\n            backpressure: AtomicBool::new(false),\r\n            endpoint,\r\n            _writer: writer,\r\n        })\r\n    }\r\n\r\n    /// Enqueue `bytes` for the PTY write thread — NON-BLOCKING. Returns `true`\r\n    /// when accepted (ordered, will land), `false` when the FIFO was full and the\r\n    /// record was DROPPED. A full queue stamps `INPUT_BACKPRESSURE` (once, on the\r\n    /// rising edge); the next accepted enqueue clears it (heal). The dispatch\r\n    /// thread never blocks here, however stuck the harness is.\r\n    // [impl->REQ-HAZARD-PTY-INPUT-WRITER-WEDGE]\r\n    fn enqueue(&self, bytes: InputRecord) -> bool {\r\n        match self.tx.try_send(bytes) {\r\n            Ok(()) => {\r\n                // Heal: input is flowing again — clear a prior backpressure stamp.\r\n                if self.backpressure.swap(false, Ordering::AcqRel) {\r\n                    self.stamp_backpressure(false);\r\n                }\r\n                true\r\n            }\r\n            Err(TrySendError::Full(_)) => {\r\n                // DROP + surface, but stamp only on the rising edge.\r\n                if !self.backpressure.swap(true, Ordering::AcqRel) {\r\n                    self.stamp_backpressure(true);\r\n                }\r\n                false\r\n            }\r\n            // The writer thread is gone (session teardown) — nothing to do.\r\n            Err(TrySendError::Disconnected(_)) => false,\r\n        }\r\n    }\r\n\r\n    /// Mirror the input-backpressure signal to the perch's `info.json` (the\r\n    /// broker is the single writer). Best-effort: a session served without a\r\n    /// perch (raw broker tests) has nowhere to record.\r\n    fn stamp_backpressure(&self, dropping: bool) {\r\n        if self.endpoint.is_empty() {\r\n            return;\r\n        }\r\n        let perch = resolve_perch_path(&self.endpoint, ParentHint::Infer);\r\n        let _ = spt_store::info::set_input_backpressure(&perch, dropping);\r\n    }\r\n}\r\n\r\n/// A session's input-writer thread (REQ-HAZARD-PTY-INPUT-WRITER-WEDGE): drain\r\n/// records from `rx` and apply each via the BLOCKING\r\n/// [`SessionSurface::write_input`] — the ONE place that touches the PTY writer. A\r\n/// wedged harness parks this thread (and only this thread); a write error is\r\n/// swallowed (the same best-effort the inline callers had). The thread exits\r\n/// when the last `tx` clone drops at session teardown.\r\nfn input_writer(session: Arc<PtySession>, rx: Receiver<InputRecord>) {\r\n    while let Ok(bytes) = rx.recv() {\r\n        let _ = session.write_input(&bytes);\r\n    }\r\n}\r\n\r\n/// Drain the inject floor's buffered controller input to the PTY **after** an\r\n/// injected sequence, then release the floor. Each step takes the buffered bytes\r\n/// OFF the lock before ENQUEUEING it to the lone input-writer (the W1 rule: never\r\n/// hold a lock across a PTY write — now never block on it either); input arriving\r\n/// mid-flush keeps buffering, so strict order is preserved until the buffer\r\n/// drains empty and the floor frees.\r\n/// Lock the per-session inject floor, RECOVERING a poisoned mutex instead of\r\n/// panicking (B6, REQ-HAZARD-INJECT-WORKER-POISON). The floor is SHARED by the\r\n/// inject worker (`run_inject_worker` open / `flush_inject_floor`) and the\r\n/// controller-input path (`dispatch_input` Layer C `buffer_if_held`). A panic under\r\n/// the lock on EITHER poisons it; a bare `.lock().unwrap()` at the next site then\r\n/// panics too — and a panic in the inject WORKER kills its thread WITHOUT reaping\r\n/// the translation child, ORPHANING a live binary while `event_tx.send` fails, so\r\n/// force-native delivery reports \"worker-gone\" (delivered=false) FOREVER though the\r\n/// pid is alive (the F-e mis-diagnosed \"translation-binary liveness decay\").\r\n/// Recovering the guard (the effect-journal poison-tolerance idiom, bug #16 /\r\n/// REQ-HAZARD-EFFECT-JOURNAL-PTY-WEDGE) keeps the floor usable so ONE panic cannot\r\n/// cascade the whole session's delivery dead.\r\n// [impl->REQ-HAZARD-INJECT-WORKER-POISON]\r\nfn lock_floor(floor: &Mutex<InjectFloor>) -> std::sync::MutexGuard<'_, InjectFloor> {\r\n    floor.lock().unwrap_or_else(|p| p.into_inner())\r\n}\r\n\r\n/// Poison-tolerant lock for ANY broker-resident mutex reachable from serve/dispatch\r\n/// (B-1, REQ-HAZARD-BROKER-FLOOR-LOCK-POISON). A brain-only self-update keeps the\r\n/// broker process — and every one of its `Mutex`es — ALIVE (REQ-UPD-3), so a single\r\n/// panic while another thread held one of these locks would otherwise POISON it\r\n/// permanently: the next `.lock().unwrap()` panics too, its per-conn reply thread\r","startLine":1579,"lineNumbers":[1579,1580,1581,1582,1583,1584,1585,1586,1587,1588,1589,1590,1591,1592,1593,1594,1595,1596,1597,1598,1599,1600,1601,1602,1603,1604,1605,1606,1607,1608,1609,1610,1611,1612,1613,1614,1615,1616,1617,1618,1619,1620,1621,1622,1623,1624,1625,1626,1627,1628,1629,1630,1631,1632,1633,1634,1635,1636,1637,1638,1639,1640,1641,1642,1643,1644,1645,1646,1647,1648,1649,1650,1651,1652,1653,1654,1655,1656,1657,1658,1659,1660,1661,1662,1663,1664,1665,1666,1667,1668,1669,1670,1671,1672,1673,1674,1675,1676,1677,1678,1679,1680,1681,1682,1683,1684,1685,1686,1687,1688,1689,1690,1691,1692,1693,1694,1695,1696,1697,1698,1699,1700,1701,1702,1703,1704,1705,1706,1707,1708,1709,1710,1711,1712,1713]},"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":5718,"totalBytes":7080,"outputLines":135,"outputBytes":7080,"shownRange":{"start":1579,"end":1713},"nextOffset":1714}}},"isError":false,"timestamp":1783657480453}}
{"type":"message","id":"97e9ef86","parentId":"decd8669","timestamp":"2026-07-10T04:24:40.486Z","message":{"role":"toolResult","toolCallId":"call_rMjt2eJ4HW1mFFGqetZpKoXO|fc_0ec86a6c795d74b7016a5074083e2481959fa17d38c2a63cc7","toolName":"read","content":[{"type":"text","text":"[broker.rs#1F25]\n2719:\n2720:    /// The count of live QUIC connections the broker-owned net endpoint holds\n2721:    /// (D4a, ADR-0004 §B), or 0 when net-less. A direct read of the broker's own\n2722:    /// state — the survival-assertion seam for the D7-1 process-level E2E: a QUIC\n2723:    /// connection the broker holds must outlive a brain-PROCESS swap (restoration\n2724:    /// D7-1), the net sibling of [`session_count`](Self::session_count).\n2725:    // [impl->REQ-HAZARD-BROKER-PROCESS-ISOLATION]\n2726:    pub fn net_conn_count(&self) -> usize {\n2727:        self.net.get().map(|h| h.conn_count() as usize).unwrap_or(0)\n2728:    }\n2729:\n2730:    /// The output-log high-water (`next_seq`) of a hosted session, or `None` if\n2731:    /// absent. It advances every time the child emits output — the\n2732:    /// **functional**-survival seam for the D7-1 process-level E2E (doyle F1):\n2733:    /// after a brain-PROCESS swap, writing input to the broker-held PTY child and\n2734:    /// watching THIS advance proves the path is alive end-to-end (input → child →\n2735:    /// echo → broker ring), not merely that the handle is held. A read-only direct\n2736:    /// peek, like [`session_pid`](Self::session_pid).\n2737:    // [impl->REQ-HAZARD-BROKER-PROCESS-ISOLATION]\n2738:    pub fn session_output_seq(&self, id: u64) -> Option<u64> {\n2739:        self.sessions\n2740:            .lock()\n2741:            .unwrap()\n2742:            .get(&id)\n2743:            .map(|h| recover_log(&h.log).next_seq)\n2744:    }\n2745:\n2746:    /// Drive one brain connection: handshake, then dispatch its command frames\n2747:    /// until it disconnects. On disconnect, detach this connection from any\n2748:    /// sessions it subscribed to — the sessions themselves persist (B2: a brain\n2749:    /// restart must not disturb the hosted children).\n2750:    fn handle_conn(self: &Arc<Self>, conn: Stream) -> io::Result<()> {\n2751:        let (mut recv, send) = conn.split();\n2752:        let send: SharedSend = Arc::new(Mutex::new(send));\n2753:\n2754:        // Version handshake: this connection must be a brain (2.3).\n2755:        recv_hello(&mut recv, Role::Brain)?;\n2756:\n2757:        let mut my_subs: Vec<u64> = Vec::new();\n2758:        let mut my_stream_subs: Vec<u64> = Vec::new();\n2759:        let mut my_presence_sub = false;\n2760:\n2761:        loop {\n2762:            let env = match read_frame(&mut recv) {\n2763:                Ok(e) => e,\n2764:                // Any read failure (EOF included) ends the connection.\n2765:                Err(_) => break,\n2766:            };\n2767:            match env.kind.as_str() {\n2768:                KIND_SPAWN => match self.dispatch_spawn(env, &send) {\n2769:                    Ok(id) => my_subs.push(id),\n2770:                    Err(msg) => send_error(&send, &msg),\n2771:                },\n2772:                KIND_SUBSCRIBE => match self.dispatch_subscribe(env, &send) {\n2773:                    Ok(id) => my_subs.push(id),\n2774:                    Err(msg) => send_error(&send, &msg),\n2775:                },\n2776:                KIND_UNSUBSCRIBE => {\n2777:                    if let Err(msg) = self.dispatch_unsubscribe(env, &send) {\n2778:                        send_error(&send, &msg);\n2779:                    }\n2780:                }\n2781:                KIND_INPUT => {\n2782:                    if let Err(msg) = self.dispatch_input(env, &send) {\n2783:                        send_error(&send, &msg);\n2784:                    }\n2785:                }\n2786:                KIND_RESIZE => {\n2787:                    if let Err(msg) = self.dispatch_resize(env, &send) {\n2788:                        send_error(&send, &msg);\n2789:                    }\n2790:                }\n2791:                KIND_KILL => {\n2792:                    if let Err(msg) = self.dispatch_kill(env) {\n2793:                        send_error(&send, &msg);\n2794:                    }\n2795:                }\n2796:                // [impl->REQ-ADAPTER-LIVE-UPDATE]\n2797:                KIND_ADAPTER_APPLY => {\n2798:                    if let Err(msg) = self.dispatch_adapter_apply(env, &send) {\n2799:                        send_error(&send, &msg);\n2800:                    }\n2801:                }\n2802:                KIND_NET_STATUS => self.dispatch_net_status(&send),\n2803:                // [impl->REQ-UPDATE-RUNNING-IMAGE-SURFACE]\n2804:                KIND_BROKER_IMAGE => self.dispatch_broker_image(&send),\n2805:                KIND_STALL_EVICTS => self.dispatch_stall_evicts(&send),\n2806:                KIND_NET_DIAL => {\n2807:                    if let Err(msg) = self.dispatch_net_dial(env, &send) {\n2808:                        send_error(&send, &msg);\n2809:                    }\n2810:                }\n2811:                KIND_NET_DIAL_LOOPBACK => {\n2812:                    if let Err(msg) = self.dispatch_net_dial_loopback(&send) {\n2813:                        send_error(&send, &msg);\n2814:                    }\n2815:                }\n2816:                KIND_PAIR_JOIN => {\n2817:                    if let Err(msg) = self.dispatch_pair_join(env, &send) {\n2818:                        send_error(&send, &msg);\n2819:                    }\n2820:                }\n2821:                KIND_PAIR_MEET => {\n2822:                    if let Err(msg) = self.dispatch_pair_meet(env, &send) {\n2823:                        send_error(&send, &msg);\n2824:                    }\n2825:                }\n2826:                KIND_PAIR_CODE_SUBMIT => {\n2827:                    if let Err(msg) = self.dispatch_pair_code_submit(env, &send) {\n2828:                        send_error(&send, &msg);\n2829:                    }\n2830:                }\n2831:                KIND_NET_STREAM_OPEN => {\n2832:                    if let Err(msg) = self.dispatch_net_stream_open(env, &send) {\n2833:                        send_error(&send, &msg);\n2834:                    }\n2835:                }\n2836:                KIND_NET_STREAM_SEND => {\n2837:                    if let Err(msg) = self.dispatch_net_stream_send(env, &send) {\n2838:                        send_error(&send, &msg);\n2839:                    }\n2840:                }\n2841:                KIND_NET_STREAMS => {\n2842:                    if let Err(msg) = self.dispatch_net_streams(&send) {\n2843:                        send_error(&send, &msg);\n2844:                    }\n2845:                }\n2846:                KIND_SESSIONS => {\n2847:                    // Clone the (id, endpoint, log) out from under the sessions\n2848:                    // lock, then read each log's cursor under the log lock alone —\n2849:                    // never both locks at once (the dispatch_subscribe discipline).\n2850:                    let rows: Vec<(u64, String, Arc<Mutex<OutputLog>>)> = {\n2851:                        let sessions = recover(&self.sessions);\n2852:                        sessions\n2853:                            .iter()\n2854:                            .map(|(id, h)| (*id, h.endpoint.clone(), Arc::clone(&h.log)))\n2855:                            .collect()\n2856:                    };\n2857:                    // Snapshot each session's truth under its OWN log lock (cursor +\n2858:                    // controller identity + the control/viewer stamp truth), doing NO\n2859:                    // file I/O under the lock (the lock-across-effect discipline, KH\n2860:                    // 7.12/5.16). The convergence re-assert + the reply then run OFF\n2861:                    // the lock.\n2862:                    struct SessSnap {\n2863:                        id: u64,\n2864:                        endpoint: String,\n2865:                        resume_seq: u64,\n2866:                        controller_by: Option<String>,\n2867:                        has_controller: bool,\n2868:                        viewers: u32,\n2869:                    }\n2870:                    let snaps: Vec<SessSnap> = rows\n2871:                        .into_iter()\n2872:                        .map(|(id, endpoint, log)| {\n2873:                            let mut log = recover_log(&log);\n2874:                            // B-2 (REQ-CONTROLLER-LIVENESS-REAP): make the controller\n2875:                            // truth HONEST before reading it — reap a dead-writer\n2876:                            // (severed) controller so both the reply's controller_by\n2877:                            // AND the off-lock converge_perch_stamps below see the\n2878:                            // cleared state and the stale info.json stamp clears.\n2879:                            let _ = log.reap_dead_controller();\n2880:                            SessSnap {\n2881:                                id,\n2882:                                endpoint,\n2883:                                resume_seq: log.delivered_through(),\n2884:                                controller_by: log.controller_by().map(str::to_string),\n2885:                                has_controller: log.has_controller(),\n2886:                                viewers: log.live_viewer_count(),\n2887:                            }\n2888:                        })\n2889:                        .collect();\n2890:                    // STAMP CONVERGENCE (REQ-HAZARD-CONTROL-STAMP-CONVERGENCE): re-assert\n2891:                    // each live session's control/viewer stamps to broker truth,\n2892:                    // divergence-gated + OFF the log lock. Closes the stamp-before-bind\n2893:                    // loss for a picker-created endpoint (its spawn stamp was swallowed\n2894:                    // pre-bind); converges within one reconcile-poll window after bind.\n2895:                    // [impl->REQ-HAZARD-CONTROL-STAMP-CONVERGENCE]\n2896:                    for s in &snaps {\n2897:                        converge_perch_stamps(\n2898:                            &s.endpoint,\n2899:                            s.controller_by.as_deref(),\n2900:                            s.has_controller,\n2901:                            s.viewers,\n2902:                        );\n2903:                    }\n2904:                    let reply = SessionsReply {\n2905:                        sessions: snaps\n2906:                            .into_iter()\n2907:                            .map(|s| SessionInfo {\n2908:                                session_id: s.id,\n2909:                                endpoint: s.endpoint,\n2910:                                resume_seq: s.resume_seq,\n2911:                                controller_by: s.controller_by,\n2912:                            })\n2913:                            .collect(),\n2914:                    };\n…\n2920:                }\n…\n2939:            }\n2940:        }\n…\n2961:    }\n\n[Showing lines 2719-2913 of 5718. Use :2914 to continue]"}],"details":{"truncation":{"content":"\r\n    /// The count of live QUIC connections the broker-owned net endpoint holds\r\n    /// (D4a, ADR-0004 §B), or 0 when net-less. A direct read of the broker's own\r\n    /// state — the survival-assertion seam for the D7-1 process-level E2E: a QUIC\r\n    /// connection the broker holds must outlive a brain-PROCESS swap (restoration\r\n    /// D7-1), the net sibling of [`session_count`](Self::session_count).\r\n    // [impl->REQ-HAZARD-BROKER-PROCESS-ISOLATION]\r\n    pub fn net_conn_count(&self) -> usize {\r\n        self.net.get().map(|h| h.conn_count() as usize).unwrap_or(0)\r\n    }\r\n\r\n    /// The output-log high-water (`next_seq`) of a hosted session, or `None` if\r\n    /// absent. It advances every time the child emits output — the\r\n    /// **functional**-survival seam for the D7-1 process-level E2E (doyle F1):\r\n    /// after a brain-PROCESS swap, writing input to the broker-held PTY child and\r\n    /// watching THIS advance proves the path is alive end-to-end (input → child →\r\n    /// echo → broker ring), not merely that the handle is held. A read-only direct\r\n    /// peek, like [`session_pid`](Self::session_pid).\r\n    // [impl->REQ-HAZARD-BROKER-PROCESS-ISOLATION]\r\n    pub fn session_output_seq(&self, id: u64) -> Option<u64> {\r\n        self.sessions\r\n            .lock()\r\n            .unwrap()\r\n            .get(&id)\r\n            .map(|h| recover_log(&h.log).next_seq)\r\n    }\r\n\r\n    /// Drive one brain connection: handshake, then dispatch its command frames\r\n    /// until it disconnects. On disconnect, detach this connection from any\r\n    /// sessions it subscribed to — the sessions themselves persist (B2: a brain\r\n    /// restart must not disturb the hosted children).\r\n    fn handle_conn(self: &Arc<Self>, conn: Stream) -> io::Result<()> {\r\n        let (mut recv, send) = conn.split();\r\n        let send: SharedSend = Arc::new(Mutex::new(send));\r\n\r\n        // Version handshake: this connection must be a brain (2.3).\r\n        recv_hello(&mut recv, Role::Brain)?;\r\n\r\n        let mut my_subs: Vec<u64> = Vec::new();\r\n        let mut my_stream_subs: Vec<u64> = Vec::new();\r\n        let mut my_presence_sub = false;\r\n\r\n        loop {\r\n            let env = match read_frame(&mut recv) {\r\n                Ok(e) => e,\r\n                // Any read failure (EOF included) ends the connection.\r\n                Err(_) => break,\r\n            };\r\n            match env.kind.as_str() {\r\n                KIND_SPAWN => match self.dispatch_spawn(env, &send) {\r\n                    Ok(id) => my_subs.push(id),\r\n                    Err(msg) => send_error(&send, &msg),\r\n                },\r\n                KIND_SUBSCRIBE => match self.dispatch_subscribe(env, &send) {\r\n                    Ok(id) => my_subs.push(id),\r\n                    Err(msg) => send_error(&send, &msg),\r\n                },\r\n                KIND_UNSUBSCRIBE => {\r\n                    if let Err(msg) = self.dispatch_unsubscribe(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_INPUT => {\r\n                    if let Err(msg) = self.dispatch_input(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_RESIZE => {\r\n                    if let Err(msg) = self.dispatch_resize(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_KILL => {\r\n                    if let Err(msg) = self.dispatch_kill(env) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                // [impl->REQ-ADAPTER-LIVE-UPDATE]\r\n                KIND_ADAPTER_APPLY => {\r\n                    if let Err(msg) = self.dispatch_adapter_apply(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_NET_STATUS => self.dispatch_net_status(&send),\r\n                // [impl->REQ-UPDATE-RUNNING-IMAGE-SURFACE]\r\n                KIND_BROKER_IMAGE => self.dispatch_broker_image(&send),\r\n                KIND_STALL_EVICTS => self.dispatch_stall_evicts(&send),\r\n                KIND_NET_DIAL => {\r\n                    if let Err(msg) = self.dispatch_net_dial(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_NET_DIAL_LOOPBACK => {\r\n                    if let Err(msg) = self.dispatch_net_dial_loopback(&send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_PAIR_JOIN => {\r\n                    if let Err(msg) = self.dispatch_pair_join(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_PAIR_MEET => {\r\n                    if let Err(msg) = self.dispatch_pair_meet(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_PAIR_CODE_SUBMIT => {\r\n                    if let Err(msg) = self.dispatch_pair_code_submit(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_NET_STREAM_OPEN => {\r\n                    if let Err(msg) = self.dispatch_net_stream_open(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_NET_STREAM_SEND => {\r\n                    if let Err(msg) = self.dispatch_net_stream_send(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_NET_STREAMS => {\r\n                    if let Err(msg) = self.dispatch_net_streams(&send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_SESSIONS => {\r\n                    // Clone the (id, endpoint, log) out from under the sessions\r\n                    // lock, then read each log's cursor under the log lock alone —\r\n                    // never both locks at once (the dispatch_subscribe discipline).\r\n                    let rows: Vec<(u64, String, Arc<Mutex<OutputLog>>)> = {\r\n                        let sessions = recover(&self.sessions);\r\n                        sessions\r\n                            .iter()\r\n                            .map(|(id, h)| (*id, h.endpoint.clone(), Arc::clone(&h.log)))\r\n                            .collect()\r\n                    };\r\n                    // Snapshot each session's truth under its OWN log lock (cursor +\r\n                    // controller identity + the control/viewer stamp truth), doing NO\r\n                    // file I/O under the lock (the lock-across-effect discipline, KH\r\n                    // 7.12/5.16). The convergence re-assert + the reply then run OFF\r\n                    // the lock.\r\n                    struct SessSnap {\r\n                        id: u64,\r\n                        endpoint: String,\r\n                        resume_seq: u64,\r\n                        controller_by: Option<String>,\r\n                        has_controller: bool,\r\n                        viewers: u32,\r\n                    }\r\n                    let snaps: Vec<SessSnap> = rows\r\n                        .into_iter()\r\n                        .map(|(id, endpoint, log)| {\r\n                            let mut log = recover_log(&log);\r\n                            // B-2 (REQ-CONTROLLER-LIVENESS-REAP): make the controller\r\n                            // truth HONEST before reading it — reap a dead-writer\r\n                            // (severed) controller so both the reply's controller_by\r\n                            // AND the off-lock converge_perch_stamps below see the\r\n                            // cleared state and the stale info.json stamp clears.\r\n                            let _ = log.reap_dead_controller();\r\n                            SessSnap {\r\n                                id,\r\n                                endpoint,\r\n                                resume_seq: log.delivered_through(),\r\n                                controller_by: log.controller_by().map(str::to_string),\r\n                                has_controller: log.has_controller(),\r\n                                viewers: log.live_viewer_count(),\r\n                            }\r\n                        })\r\n                        .collect();\r\n                    // STAMP CONVERGENCE (REQ-HAZARD-CONTROL-STAMP-CONVERGENCE): re-assert\r\n                    // each live session's control/viewer stamps to broker truth,\r\n                    // divergence-gated + OFF the log lock. Closes the stamp-before-bind\r\n                    // loss for a picker-created endpoint (its spawn stamp was swallowed\r\n                    // pre-bind); converges within one reconcile-poll window after bind.\r\n                    // [impl->REQ-HAZARD-CONTROL-STAMP-CONVERGENCE]\r\n                    for s in &snaps {\r\n                        converge_perch_stamps(\r\n                            &s.endpoint,\r\n                            s.controller_by.as_deref(),\r\n                            s.has_controller,\r\n                            s.viewers,\r\n                        );\r\n                    }\r\n                    let reply = SessionsReply {\r\n                        sessions: snaps\r\n                            .into_iter()\r\n                            .map(|s| SessionInfo {\r\n                                session_id: s.id,\r\n                                endpoint: s.endpoint,\r\n                                resume_seq: s.resume_seq,\r\n                                controller_by: s.controller_by,\r\n                            })\r\n                            .collect(),\r","truncated":true,"truncatedBy":"lines","totalLines":3000,"totalBytes":9750,"outputLines":195,"outputBytes":9750,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"\r\n    /// The count of live QUIC connections the broker-owned net endpoint holds\r\n    /// (D4a, ADR-0004 §B), or 0 when net-less. A direct read of the broker's own\r\n    /// state — the survival-assertion seam for the D7-1 process-level E2E: a QUIC\r\n    /// connection the broker holds must outlive a brain-PROCESS swap (restoration\r\n    /// D7-1), the net sibling of [`session_count`](Self::session_count).\r\n    // [impl->REQ-HAZARD-BROKER-PROCESS-ISOLATION]\r\n    pub fn net_conn_count(&self) -> usize {\r\n        self.net.get().map(|h| h.conn_count() as usize).unwrap_or(0)\r\n    }\r\n\r\n    /// The output-log high-water (`next_seq`) of a hosted session, or `None` if\r\n    /// absent. It advances every time the child emits output — the\r\n    /// **functional**-survival seam for the D7-1 process-level E2E (doyle F1):\r\n    /// after a brain-PROCESS swap, writing input to the broker-held PTY child and\r\n    /// watching THIS advance proves the path is alive end-to-end (input → child →\r\n    /// echo → broker ring), not merely that the handle is held. A read-only direct\r\n    /// peek, like [`session_pid`](Self::session_pid).\r\n    // [impl->REQ-HAZARD-BROKER-PROCESS-ISOLATION]\r\n    pub fn session_output_seq(&self, id: u64) -> Option<u64> {\r\n        self.sessions\r\n            .lock()\r\n            .unwrap()\r\n            .get(&id)\r\n            .map(|h| recover_log(&h.log).next_seq)\r\n    }\r\n\r\n    /// Drive one brain connection: handshake, then dispatch its command frames\r\n    /// until it disconnects. On disconnect, detach this connection from any\r\n    /// sessions it subscribed to — the sessions themselves persist (B2: a brain\r\n    /// restart must not disturb the hosted children).\r\n    fn handle_conn(self: &Arc<Self>, conn: Stream) -> io::Result<()> {\r\n        let (mut recv, send) = conn.split();\r\n        let send: SharedSend = Arc::new(Mutex::new(send));\r\n\r\n        // Version handshake: this connection must be a brain (2.3).\r\n        recv_hello(&mut recv, Role::Brain)?;\r\n\r\n        let mut my_subs: Vec<u64> = Vec::new();\r\n        let mut my_stream_subs: Vec<u64> = Vec::new();\r\n        let mut my_presence_sub = false;\r\n\r\n        loop {\r\n            let env = match read_frame(&mut recv) {\r\n                Ok(e) => e,\r\n                // Any read failure (EOF included) ends the connection.\r\n                Err(_) => break,\r\n            };\r\n            match env.kind.as_str() {\r\n                KIND_SPAWN => match self.dispatch_spawn(env, &send) {\r\n                    Ok(id) => my_subs.push(id),\r\n                    Err(msg) => send_error(&send, &msg),\r\n                },\r\n                KIND_SUBSCRIBE => match self.dispatch_subscribe(env, &send) {\r\n                    Ok(id) => my_subs.push(id),\r\n                    Err(msg) => send_error(&send, &msg),\r\n                },\r\n                KIND_UNSUBSCRIBE => {\r\n                    if let Err(msg) = self.dispatch_unsubscribe(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_INPUT => {\r\n                    if let Err(msg) = self.dispatch_input(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_RESIZE => {\r\n                    if let Err(msg) = self.dispatch_resize(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_KILL => {\r\n                    if let Err(msg) = self.dispatch_kill(env) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                // [impl->REQ-ADAPTER-LIVE-UPDATE]\r\n                KIND_ADAPTER_APPLY => {\r\n                    if let Err(msg) = self.dispatch_adapter_apply(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_NET_STATUS => self.dispatch_net_status(&send),\r\n                // [impl->REQ-UPDATE-RUNNING-IMAGE-SURFACE]\r\n                KIND_BROKER_IMAGE => self.dispatch_broker_image(&send),\r\n                KIND_STALL_EVICTS => self.dispatch_stall_evicts(&send),\r\n                KIND_NET_DIAL => {\r\n                    if let Err(msg) = self.dispatch_net_dial(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_NET_DIAL_LOOPBACK => {\r\n                    if let Err(msg) = self.dispatch_net_dial_loopback(&send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_PAIR_JOIN => {\r\n                    if let Err(msg) = self.dispatch_pair_join(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_PAIR_MEET => {\r\n                    if let Err(msg) = self.dispatch_pair_meet(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_PAIR_CODE_SUBMIT => {\r\n                    if let Err(msg) = self.dispatch_pair_code_submit(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_NET_STREAM_OPEN => {\r\n                    if let Err(msg) = self.dispatch_net_stream_open(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_NET_STREAM_SEND => {\r\n                    if let Err(msg) = self.dispatch_net_stream_send(env, &send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_NET_STREAMS => {\r\n                    if let Err(msg) = self.dispatch_net_streams(&send) {\r\n                        send_error(&send, &msg);\r\n                    }\r\n                }\r\n                KIND_SESSIONS => {\r\n                    // Clone the (id, endpoint, log) out from under the sessions\r\n                    // lock, then read each log's cursor under the log lock alone —\r\n                    // never both locks at once (the dispatch_subscribe discipline).\r\n                    let rows: Vec<(u64, String, Arc<Mutex<OutputLog>>)> = {\r\n                        let sessions = recover(&self.sessions);\r\n                        sessions\r\n                            .iter()\r\n                            .map(|(id, h)| (*id, h.endpoint.clone(), Arc::clone(&h.log)))\r\n                            .collect()\r\n                    };\r\n                    // Snapshot each session's truth under its OWN log lock (cursor +\r\n                    // controller identity + the control/viewer stamp truth), doing NO\r\n                    // file I/O under the lock (the lock-across-effect discipline, KH\r\n                    // 7.12/5.16). The convergence re-assert + the reply then run OFF\r\n                    // the lock.\r\n                    struct SessSnap {\r\n                        id: u64,\r\n                        endpoint: String,\r\n                        resume_seq: u64,\r\n                        controller_by: Option<String>,\r\n                        has_controller: bool,\r\n                        viewers: u32,\r\n                    }\r\n                    let snaps: Vec<SessSnap> = rows\r\n                        .into_iter()\r\n                        .map(|(id, endpoint, log)| {\r\n                            let mut log = recover_log(&log);\r\n                            // B-2 (REQ-CONTROLLER-LIVENESS-REAP): make the controller\r\n                            // truth HONEST before reading it — reap a dead-writer\r\n                            // (severed) controller so both the reply's controller_by\r\n                            // AND the off-lock converge_perch_stamps below see the\r\n                            // cleared state and the stale info.json stamp clears.\r\n                            let _ = log.reap_dead_controller();\r\n                            SessSnap {\r\n                                id,\r\n                                endpoint,\r\n                                resume_seq: log.delivered_through(),\r\n                                controller_by: log.controller_by().map(str::to_string),\r\n                                has_controller: log.has_controller(),\r\n                                viewers: log.live_viewer_count(),\r\n                            }\r\n                        })\r\n                        .collect();\r\n                    // STAMP CONVERGENCE (REQ-HAZARD-CONTROL-STAMP-CONVERGENCE): re-assert\r\n                    // each live session's control/viewer stamps to broker truth,\r\n                    // divergence-gated + OFF the log lock. Closes the stamp-before-bind\r\n                    // loss for a picker-created endpoint (its spawn stamp was swallowed\r\n                    // pre-bind); converges within one reconcile-poll window after bind.\r\n                    // [impl->REQ-HAZARD-CONTROL-STAMP-CONVERGENCE]\r\n                    for s in &snaps {\r\n                        converge_perch_stamps(\r\n                            &s.endpoint,\r\n                            s.controller_by.as_deref(),\r\n                            s.has_controller,\r\n                            s.viewers,\r\n                        );\r\n                    }\r\n                    let reply = SessionsReply {\r\n                        sessions: snaps\r\n                            .into_iter()\r\n                            .map(|s| SessionInfo {\r\n                                session_id: s.id,\r\n                                endpoint: s.endpoint,\r\n                                resume_seq: s.resume_seq,\r\n                                controller_by: s.controller_by,\r\n                            })\r\n                            .collect(),\r\n                    };\n…\n                }\n…\n            }\n        }\n…\n    }","startLine":2719,"lineNumbers":[2719,2720,2721,2722,2723,2724,2725,2726,2727,2728,2729,2730,2731,2732,2733,2734,2735,2736,2737,2738,2739,2740,2741,2742,2743,2744,2745,2746,2747,2748,2749,2750,2751,2752,2753,2754,2755,2756,2757,2758,2759,2760,2761,2762,2763,2764,2765,2766,2767,2768,2769,2770,2771,2772,2773,2774,2775,2776,2777,2778,2779,2780,2781,2782,2783,2784,2785,2786,2787,2788,2789,2790,2791,2792,2793,2794,2795,2796,2797,2798,2799,2800,2801,2802,2803,2804,2805,2806,2807,2808,2809,2810,2811,2812,2813,2814,2815,2816,2817,2818,2819,2820,2821,2822,2823,2824,2825,2826,2827,2828,2829,2830,2831,2832,2833,2834,2835,2836,2837,2838,2839,2840,2841,2842,2843,2844,2845,2846,2847,2848,2849,2850,2851,2852,2853,2854,2855,2856,2857,2858,2859,2860,2861,2862,2863,2864,2865,2866,2867,2868,2869,2870,2871,2872,2873,2874,2875,2876,2877,2878,2879,2880,2881,2882,2883,2884,2885,2886,2887,2888,2889,2890,2891,2892,2893,2894,2895,2896,2897,2898,2899,2900,2901,2902,2903,2904,2905,2906,2907,2908,2909,2910,2911,2912,2913,2914,null,2920,null,2939,2940,null,2961]},"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":5718,"totalBytes":9750,"outputLines":195,"outputBytes":9750,"shownRange":{"start":2719,"end":2913},"nextOffset":2914}}},"isError":false,"timestamp":1783657480486}}
{"type":"message","id":"f0e556d2","parentId":"97e9ef86","timestamp":"2026-07-10T04:24:40.519Z","message":{"role":"toolResult","toolCallId":"call_1EftqR6c97w9MT5b2aoSlVJX|fc_0ec86a6c795d74b7016a5074083e2081959592f4ba8e0eaa6b","toolName":"read","content":[{"type":"text","text":"[broker.rs#1F25]\n1879:\n1880:/// Run the inject worker under a panic guard (B6, REQ-HAZARD-INJECT-WORKER-POISON):\n1881:/// `body` is the [`run_inject_worker`] call. If it PANICS, the guard FAULTs the\n1882:/// translation binary — `fault_translation` terminates the child (no orphaned live\n1883:/// pid) and sets `faulted` (idle inbound then spools, never a silent \"worker-gone\"\n1884:/// force-native refusal against a still-running binary). Without this, a worker\n1885:/// panic drops `event_rx` while the child keeps running: every later inject sees\n1886:/// `event_tx.send` fail and reports delivered=false forever. `child` + `faulted` are\n1887:/// the guard's OWN clones (the `body` moves its own into `run_inject_worker`).\n1888:// [impl->REQ-HAZARD-INJECT-WORKER-POISON]\n1889:fn run_inject_worker_supervised(\n1890:    child: Arc<TranslationChild>,\n1891:    faulted: Arc<AtomicBool>,\n1892:    endpoint: String,\n1893:    body: impl FnOnce() + std::panic::UnwindSafe,\n1894:) {\n1895:    if std::panic::catch_unwind(body).is_err() {\n1896:        // A worker panic is a REAL fault — stamp the perch (F029 C-1, so the\n1897:        // degraded delivery is harness-reachable, not only on the F-019 stderr)\n1898:        // then terminate + latch.\n1899:        stamp_translation_fault(&endpoint, \"inject worker panicked\");\n1900:        fault_translation(&faulted, &child, \"inject worker panicked\");\n1901:    }\n1902:}\n1903:\n1904:/// Layer 1 (REQ-INJECT-MULTILINE-INTEGRITY, the load-bearing fix): settle-gate before\n1905:/// ANY inject byte of a sequence. The head-swallow race is a PTY whose input reader is\n1906:/// not yet attached/settled when the first bytes are typed. It is NOT startup-only: a\n1907:/// mid-session harness reset (a `/clear` re-entering raw mode, re-attaching the input\n1908:/// reader) RE-CREATES the same window (field-proven on 0.29.0 — a checkpoint-wake payload\n1909:/// injected right after `/clear` lost its head), so an echoing/interactive PTY must\n1910:/// re-settle every delivery, not once per worker. Detect readiness with a POSITIVE\n1911:/// signal, not a blind timer: write the benign DSR cursor-position probe and wait for the\n1912:/// session ring to produce output (the child answered / re-rendered → its reader is live).\n1913:/// Re-probe each tick until output appears or the bounded deadline elapses — a genuinely\n1914:/// quiet/dead child never parks the worker (echo-verify + the commit deadline still bound\n1915:/// delivery). No lock is held across a PTY write. Returns `true` iff the probe was\n1916:/// OBSERVED (ring advanced) — the caller uses that to distinguish an echoing PTY (re-settle\n1917:/// every delivery) from a non-echoing ConPTY (settle is useless + costs the full deadline).\n1918:// [impl->REQ-INJECT-MULTILINE-INTEGRITY]\n1919:fn settle_before_inject(input: &InputWriter, log: &Mutex<OutputLog>, endpoint: &str) -> bool {\n1920:    let baseline = recover_log(log).high_water();\n1921:    let deadline = Instant::now() + inject_settle_deadline();\n1922:    loop {\n1923:        // Probe: a live reader answers DSR / re-renders → the ring advances.\n1924:        input.enqueue(INJECT_SETTLE_PROBE.to_vec());\n1925:        thread::sleep(INJECT_SETTLE_POLL);\n1926:        if recover_log(log).high_water() > baseline {\n1927:            return true; // output produced since baseline → the input reader is live\n1928:        }\n1929:        if Instant::now() >= deadline {\n1930:            eprintln!(\n1931:                \"INJECT_SETTLE_TIMEOUT:{endpoint}: no PTY readiness echo within {}ms — proceeding (echo-verify guards head loss)\",\n1932:                inject_settle_deadline().as_millis()\n1933:            );\n1934:            return false;\n1935:        }\n1936:    }\n1937:}\n1938:\n1939:/// Decide whether to run the settle-gate for this delivery attempt (Layer 1 re-arm,\n1940:/// REQ-INJECT-MULTILINE-INTEGRITY). The reader-reattach race is NOT startup-only, so an\n1941:/// echoing/interactive PTY (the bug-prone class — a `/clear` re-attaches its reader\n1942:/// mid-session) MUST re-settle before EVERY delivery's first byte. We only skip that\n1943:/// steady-state settle where the probe is known UNOBSERVABLE on this PTY (a non-echoing\n1944:/// ConPTY, whose DSR answer never surfaces): there is no reader-reattach race to guard,\n1945:/// and each settle would burn the full deadline. A RE-DRIVE (attempt > 1) always settles\n1946:/// regardless of the latch — it is only reached on a swallowed head, so readiness must be\n1947:/// re-confirmed before retyping.\n1948:// [impl->REQ-HAZARD-INJECT-SETTLE-REARM]\n1949:fn should_settle(attempt: u32, probe_unobservable: bool) -> bool {\n1950:    attempt > 1 || !probe_unobservable\n1951:}\n1952:\n1953:/// Layer 2 (REQ-INJECT-MULTILINE-INTEGRITY): after a `{commit}`, wait a bounded window\n1954:/// for the typed payload's HEAD to echo back on the session ring (bytes produced since\n1955:/// `seq_start`), then verify. A swallowed head means the prefix never appears. Empty\n1956:/// payload (keys-only sequence) is vacuously verified with no wait.\n1957:///\n1958:/// **Fail SAFE on an unobservable echo.** The head-loss signature is a NON-empty echo\n1959:/// whose head is missing (the field \"~322B tail-only suffix\"). But some environments\n1960:/// echo nothing observable at all (Windows ConPTY does not surface the cooked echo of a\n1961:/// PROGRAMMATICALLY-injected line, and a harness may not re-render typed text into the\n1962:/// output stream). There, no echo ever appears; treating that as head-loss would re-drive\n1963:/// and LOUD-spool EVERY real delivery. So when the window elapses with NO output produced,\n1964:/// we assume delivered (the settle-gate remains the root fix); only a non-empty echo that\n1965:/// is missing the head is judged a loss.\n1966:// [impl->REQ-INJECT-MULTILINE-INTEGRITY]\n1967:fn echo_verify_after(log: &Mutex<OutputLog>, seq_start: u64, sent_text: &[u8]) -> bool {\n1968:    if sent_text.is_empty() {\n…\n1970:    }\n…\n1990:}\n\n[Showing lines 1879-1968 of 5718. Use :1969 to continue]"}],"details":{"truncation":{"content":"\r\n/// Run the inject worker under a panic guard (B6, REQ-HAZARD-INJECT-WORKER-POISON):\r\n/// `body` is the [`run_inject_worker`] call. If it PANICS, the guard FAULTs the\r\n/// translation binary — `fault_translation` terminates the child (no orphaned live\r\n/// pid) and sets `faulted` (idle inbound then spools, never a silent \"worker-gone\"\r\n/// force-native refusal against a still-running binary). Without this, a worker\r\n/// panic drops `event_rx` while the child keeps running: every later inject sees\r\n/// `event_tx.send` fail and reports delivered=false forever. `child` + `faulted` are\r\n/// the guard's OWN clones (the `body` moves its own into `run_inject_worker`).\r\n// [impl->REQ-HAZARD-INJECT-WORKER-POISON]\r\nfn run_inject_worker_supervised(\r\n    child: Arc<TranslationChild>,\r\n    faulted: Arc<AtomicBool>,\r\n    endpoint: String,\r\n    body: impl FnOnce() + std::panic::UnwindSafe,\r\n) {\r\n    if std::panic::catch_unwind(body).is_err() {\r\n        // A worker panic is a REAL fault — stamp the perch (F029 C-1, so the\r\n        // degraded delivery is harness-reachable, not only on the F-019 stderr)\r\n        // then terminate + latch.\r\n        stamp_translation_fault(&endpoint, \"inject worker panicked\");\r\n        fault_translation(&faulted, &child, \"inject worker panicked\");\r\n    }\r\n}\r\n\r\n/// Layer 1 (REQ-INJECT-MULTILINE-INTEGRITY, the load-bearing fix): settle-gate before\r\n/// ANY inject byte of a sequence. The head-swallow race is a PTY whose input reader is\r\n/// not yet attached/settled when the first bytes are typed. It is NOT startup-only: a\r\n/// mid-session harness reset (a `/clear` re-entering raw mode, re-attaching the input\r\n/// reader) RE-CREATES the same window (field-proven on 0.29.0 — a checkpoint-wake payload\r\n/// injected right after `/clear` lost its head), so an echoing/interactive PTY must\r\n/// re-settle every delivery, not once per worker. Detect readiness with a POSITIVE\r\n/// signal, not a blind timer: write the benign DSR cursor-position probe and wait for the\r\n/// session ring to produce output (the child answered / re-rendered → its reader is live).\r\n/// Re-probe each tick until output appears or the bounded deadline elapses — a genuinely\r\n/// quiet/dead child never parks the worker (echo-verify + the commit deadline still bound\r\n/// delivery). No lock is held across a PTY write. Returns `true` iff the probe was\r\n/// OBSERVED (ring advanced) — the caller uses that to distinguish an echoing PTY (re-settle\r\n/// every delivery) from a non-echoing ConPTY (settle is useless + costs the full deadline).\r\n// [impl->REQ-INJECT-MULTILINE-INTEGRITY]\r\nfn settle_before_inject(input: &InputWriter, log: &Mutex<OutputLog>, endpoint: &str) -> bool {\r\n    let baseline = recover_log(log).high_water();\r\n    let deadline = Instant::now() + inject_settle_deadline();\r\n    loop {\r\n        // Probe: a live reader answers DSR / re-renders → the ring advances.\r\n        input.enqueue(INJECT_SETTLE_PROBE.to_vec());\r\n        thread::sleep(INJECT_SETTLE_POLL);\r\n        if recover_log(log).high_water() > baseline {\r\n            return true; // output produced since baseline → the input reader is live\r\n        }\r\n        if Instant::now() >= deadline {\r\n            eprintln!(\r\n                \"INJECT_SETTLE_TIMEOUT:{endpoint}: no PTY readiness echo within {}ms — proceeding (echo-verify guards head loss)\",\r\n                inject_settle_deadline().as_millis()\r\n            );\r\n            return false;\r\n        }\r\n    }\r\n}\r\n\r\n/// Decide whether to run the settle-gate for this delivery attempt (Layer 1 re-arm,\r\n/// REQ-INJECT-MULTILINE-INTEGRITY). The reader-reattach race is NOT startup-only, so an\r\n/// echoing/interactive PTY (the bug-prone class — a `/clear` re-attaches its reader\r\n/// mid-session) MUST re-settle before EVERY delivery's first byte. We only skip that\r\n/// steady-state settle where the probe is known UNOBSERVABLE on this PTY (a non-echoing\r\n/// ConPTY, whose DSR answer never surfaces): there is no reader-reattach race to guard,\r\n/// and each settle would burn the full deadline. A RE-DRIVE (attempt > 1) always settles\r\n/// regardless of the latch — it is only reached on a swallowed head, so readiness must be\r\n/// re-confirmed before retyping.\r\n// [impl->REQ-HAZARD-INJECT-SETTLE-REARM]\r\nfn should_settle(attempt: u32, probe_unobservable: bool) -> bool {\r\n    attempt > 1 || !probe_unobservable\r\n}\r\n\r\n/// Layer 2 (REQ-INJECT-MULTILINE-INTEGRITY): after a `{commit}`, wait a bounded window\r\n/// for the typed payload's HEAD to echo back on the session ring (bytes produced since\r\n/// `seq_start`), then verify. A swallowed head means the prefix never appears. Empty\r\n/// payload (keys-only sequence) is vacuously verified with no wait.\r\n///\r\n/// **Fail SAFE on an unobservable echo.** The head-loss signature is a NON-empty echo\r\n/// whose head is missing (the field \"~322B tail-only suffix\"). But some environments\r\n/// echo nothing observable at all (Windows ConPTY does not surface the cooked echo of a\r\n/// PROGRAMMATICALLY-injected line, and a harness may not re-render typed text into the\r\n/// output stream). There, no echo ever appears; treating that as head-loss would re-drive\r\n/// and LOUD-spool EVERY real delivery. So when the window elapses with NO output produced,\r\n/// we assume delivered (the settle-gate remains the root fix); only a non-empty echo that\r\n/// is missing the head is judged a loss.\r\n// [impl->REQ-INJECT-MULTILINE-INTEGRITY]\r\nfn echo_verify_after(log: &Mutex<OutputLog>, seq_start: u64, sent_text: &[u8]) -> bool {\r\n    if sent_text.is_empty() {\r","truncated":true,"truncatedBy":"lines","totalLines":3840,"totalBytes":5569,"outputLines":90,"outputBytes":5569,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"\r\n/// Run the inject worker under a panic guard (B6, REQ-HAZARD-INJECT-WORKER-POISON):\r\n/// `body` is the [`run_inject_worker`] call. If it PANICS, the guard FAULTs the\r\n/// translation binary — `fault_translation` terminates the child (no orphaned live\r\n/// pid) and sets `faulted` (idle inbound then spools, never a silent \"worker-gone\"\r\n/// force-native refusal against a still-running binary). Without this, a worker\r\n/// panic drops `event_rx` while the child keeps running: every later inject sees\r\n/// `event_tx.send` fail and reports delivered=false forever. `child` + `faulted` are\r\n/// the guard's OWN clones (the `body` moves its own into `run_inject_worker`).\r\n// [impl->REQ-HAZARD-INJECT-WORKER-POISON]\r\nfn run_inject_worker_supervised(\r\n    child: Arc<TranslationChild>,\r\n    faulted: Arc<AtomicBool>,\r\n    endpoint: String,\r\n    body: impl FnOnce() + std::panic::UnwindSafe,\r\n) {\r\n    if std::panic::catch_unwind(body).is_err() {\r\n        // A worker panic is a REAL fault — stamp the perch (F029 C-1, so the\r\n        // degraded delivery is harness-reachable, not only on the F-019 stderr)\r\n        // then terminate + latch.\r\n        stamp_translation_fault(&endpoint, \"inject worker panicked\");\r\n        fault_translation(&faulted, &child, \"inject worker panicked\");\r\n    }\r\n}\r\n\r\n/// Layer 1 (REQ-INJECT-MULTILINE-INTEGRITY, the load-bearing fix): settle-gate before\r\n/// ANY inject byte of a sequence. The head-swallow race is a PTY whose input reader is\r\n/// not yet attached/settled when the first bytes are typed. It is NOT startup-only: a\r\n/// mid-session harness reset (a `/clear` re-entering raw mode, re-attaching the input\r\n/// reader) RE-CREATES the same window (field-proven on 0.29.0 — a checkpoint-wake payload\r\n/// injected right after `/clear` lost its head), so an echoing/interactive PTY must\r\n/// re-settle every delivery, not once per worker. Detect readiness with a POSITIVE\r\n/// signal, not a blind timer: write the benign DSR cursor-position probe and wait for the\r\n/// session ring to produce output (the child answered / re-rendered → its reader is live).\r\n/// Re-probe each tick until output appears or the bounded deadline elapses — a genuinely\r\n/// quiet/dead child never parks the worker (echo-verify + the commit deadline still bound\r\n/// delivery). No lock is held across a PTY write. Returns `true` iff the probe was\r\n/// OBSERVED (ring advanced) — the caller uses that to distinguish an echoing PTY (re-settle\r\n/// every delivery) from a non-echoing ConPTY (settle is useless + costs the full deadline).\r\n// [impl->REQ-INJECT-MULTILINE-INTEGRITY]\r\nfn settle_before_inject(input: &InputWriter, log: &Mutex<OutputLog>, endpoint: &str) -> bool {\r\n    let baseline = recover_log(log).high_water();\r\n    let deadline = Instant::now() + inject_settle_deadline();\r\n    loop {\r\n        // Probe: a live reader answers DSR / re-renders → the ring advances.\r\n        input.enqueue(INJECT_SETTLE_PROBE.to_vec());\r\n        thread::sleep(INJECT_SETTLE_POLL);\r\n        if recover_log(log).high_water() > baseline {\r\n            return true; // output produced since baseline → the input reader is live\r\n        }\r\n        if Instant::now() >= deadline {\r\n            eprintln!(\r\n                \"INJECT_SETTLE_TIMEOUT:{endpoint}: no PTY readiness echo within {}ms — proceeding (echo-verify guards head loss)\",\r\n                inject_settle_deadline().as_millis()\r\n            );\r\n            return false;\r\n        }\r\n    }\r\n}\r\n\r\n/// Decide whether to run the settle-gate for this delivery attempt (Layer 1 re-arm,\r\n/// REQ-INJECT-MULTILINE-INTEGRITY). The reader-reattach race is NOT startup-only, so an\r\n/// echoing/interactive PTY (the bug-prone class — a `/clear` re-attaches its reader\r\n/// mid-session) MUST re-settle before EVERY delivery's first byte. We only skip that\r\n/// steady-state settle where the probe is known UNOBSERVABLE on this PTY (a non-echoing\r\n/// ConPTY, whose DSR answer never surfaces): there is no reader-reattach race to guard,\r\n/// and each settle would burn the full deadline. A RE-DRIVE (attempt > 1) always settles\r\n/// regardless of the latch — it is only reached on a swallowed head, so readiness must be\r\n/// re-confirmed before retyping.\r\n// [impl->REQ-HAZARD-INJECT-SETTLE-REARM]\r\nfn should_settle(attempt: u32, probe_unobservable: bool) -> bool {\r\n    attempt > 1 || !probe_unobservable\r\n}\r\n\r\n/// Layer 2 (REQ-INJECT-MULTILINE-INTEGRITY): after a `{commit}`, wait a bounded window\r\n/// for the typed payload's HEAD to echo back on the session ring (bytes produced since\r\n/// `seq_start`), then verify. A swallowed head means the prefix never appears. Empty\r\n/// payload (keys-only sequence) is vacuously verified with no wait.\r\n///\r\n/// **Fail SAFE on an unobservable echo.** The head-loss signature is a NON-empty echo\r\n/// whose head is missing (the field \"~322B tail-only suffix\"). But some environments\r\n/// echo nothing observable at all (Windows ConPTY does not surface the cooked echo of a\r\n/// PROGRAMMATICALLY-injected line, and a harness may not re-render typed text into the\r\n/// output stream). There, no echo ever appears; treating that as head-loss would re-drive\r\n/// and LOUD-spool EVERY real delivery. 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{"type":"message","id":"b980e64d","parentId":"c2c90f11","timestamp":"2026-07-10T04:24:52.624Z","message":{"role":"toolResult","toolCallId":"call_40NNhHbTxERZ5H7i9sMs0rom|fc_0ec86a6c795d74b7016a5074148db48195bc574b83a22dcbc5","toolName":"grep","content":[{"type":"text","text":"[spt-core/crates/spt-daemon/src/broker.rs#1F25]\n 1535:    /// writer thread, never the broker dispatch thread.\n*1536:    input: Arc<InputWriter>,\n 1537:    /// The output drain pump (kept so teardown can stop it).\n 1538:    #[allow(dead_code)] // held for ownership/teardown; not read directly\n 1539:    drain: Drain,\n...\n 1625:        let (tx, rx) = sync_channel::<InputRecord>(input_queue_depth());\n*1626:        let writer = thread::spawn(move || input_writer(session, rx));\n 1627:        Arc::new(InputWriter {\n 1628:            tx,\n 1629:            backpressure: AtomicBool::new(false),\n...\n 1679:/// when the last `tx` clone drops at session teardown.\n*1680:fn input_writer(session: Arc<PtySession>, rx: Receiver<InputRecord>) {\n 1681:    while let Ok(bytes) = rx.recv() {\n 1682:        let _ = session.write_input(&bytes);\n 1683:    }\n...\n 2107:fn run_inject_worker(\n*2108:    input: Arc<InputWriter>,\n 2109:    child: Arc<TranslationChild>,\n 2110:    floor: Arc<Mutex<InjectFloor>>,\n 2111:    event_rx: Receiver<String>,\n...\n 3062:        // too, so the lone writer enforces the W2 inject-floor order.\n*3063:        let input = InputWriter::spawn(Arc::clone(&session), req.endpoint.clone());\n 3064:\n 3065:        // The output log, with the spawning connection pre-attached as the\n 3066:        // controller (identity `None` = LOCAL, not a remote driver) so no chunk\n...\n 4644:    /// the ORDER test; here the TEST is the consumer, draining `rx` deterministically.\n*4645:    fn test_input_writer(depth: usize) -> (InputWriter, Receiver<InputRecord>) {\n 4646:        let (tx, rx) = sync_channel::<InputRecord>(depth);\n 4647:        let w = InputWriter {\n 4648:            tx,\n...\n 4681:        // Generous depth so nothing drops — this test is about ORDER, not the bound.\n*4682:        let (w, rx) = test_input_writer(256);\n 4683:        let written = Arc::new(Mutex::new(Vec::<Vec<u8>>::new()));\n 4684:        let surface = RecordingSurface(Arc::clone(&written));\n 4685:\n...\n 4731:        // Consumer is the test; it does NOT drain until we say so → the queue fills.\n*4732:        let (w, rx) = test_input_writer(DEPTH);\n 4733:\n 4734:        // The first DEPTH enqueues fit (accepted, no backpressure yet).\n 4735:        for i in 0..DEPTH {\n...\n 5107:        let journal = EffectJournal::open(dir.path().join(\"effects.log\")).unwrap();\n*5108:        let (w, rx) = test_input_writer(16);\n 5109:        let key = EffectKey {\n 5110:            class: 1,\n 5111:            minter: Minter::Rc,"}],"details":{"scopePath":"spt-core/crates/spt-daemon/src/broker.rs","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs","cwd":"C:\\Users\\decid\\Documents\\projects","matchCount":9,"fileCount":1,"files":["spt-core/crates/spt-daemon/src/broker.rs"],"fileMatches":[{"path":"spt-core/crates/spt-daemon/src/broker.rs","count":9}],"truncated":false,"displayContent":" 1535│    /// writer thread, never the broker dispatch thread.\n*1536│    input: Arc<InputWriter>,\n 1537│    /// The output drain pump (kept so teardown can stop it).\n 1538│    #[allow(dead_code)] // held for ownership/teardown; not read directly\n 1539│    drain: Drain,\n     │...\n 1625│        let (tx, rx) = sync_channel::<InputRecord>(input_queue_depth());\n*1626│        let writer = thread::spawn(move || input_writer(session, rx));\n 1627│        Arc::new(InputWriter {\n 1628│            tx,\n 1629│            backpressure: AtomicBool::new(false),\n     │...\n 1679│/// when the last `tx` clone drops at session teardown.\n*1680│fn input_writer(session: Arc<PtySession>, rx: Receiver<InputRecord>) {\n 1681│    while let Ok(bytes) = rx.recv() {\n 1682│        let _ = session.write_input(&bytes);\n 1683│    }\n     │...\n 2107│fn run_inject_worker(\n*2108│    input: Arc<InputWriter>,\n 2109│    child: Arc<TranslationChild>,\n 2110│    floor: Arc<Mutex<InjectFloor>>,\n 2111│    event_rx: Receiver<String>,\n     │...\n 3062│        // too, so the lone writer enforces the W2 inject-floor order.\n*3063│        let input = InputWriter::spawn(Arc::clone(&session), req.endpoint.clone());\n 3064│\n 3065│        // The output log, with the spawning connection pre-attached as the\n 3066│        // controller (identity `None` = LOCAL, not a remote driver) so no chunk\n     │...\n 4644│    /// the ORDER test; here the TEST is the consumer, draining `rx` deterministically.\n*4645│    fn test_input_writer(depth: usize) -> (InputWriter, Receiver<InputRecord>) {\n 4646│        let (tx, rx) = sync_channel::<InputRecord>(depth);\n 4647│        let w = InputWriter {\n 4648│            tx,\n     │...\n 4681│        // Generous depth so nothing drops — this test is about ORDER, not the bound.\n*4682│        let (w, rx) = test_input_writer(256);\n 4683│        let written = Arc::new(Mutex::new(Vec::<Vec<u8>>::new()));\n 4684│        let surface = RecordingSurface(Arc::clone(&written));\n 4685│\n     │...\n 4731│        // Consumer is the test; it does NOT drain until we say so → the queue fills.\n*4732│        let (w, rx) = test_input_writer(DEPTH);\n 4733│\n 4734│        // The first DEPTH enqueues fit (accepted, no backpressure yet).\n 4735│        for i in 0..DEPTH {\n     │...\n 5107│        let journal = EffectJournal::open(dir.path().join(\"effects.log\")).unwrap();\n*5108│        let (w, rx) = test_input_writer(16);\n 5109│        let key = EffectKey {\n 5110│            class: 1,\n 5111│            minter: Minter::Rc,"},"isError":false,"timestamp":1783657492624}}
{"type":"message","id":"6c0f0038","parentId":"b980e64d","timestamp":"2026-07-10T04:24:52.626Z","message":{"role":"toolResult","toolCallId":"call_otc7WuDkFSU03kKpoHZlPWRT|fc_0ec86a6c795d74b7016a5074148dbc8195a7df569a9de0cf5a","toolName":"grep","content":[{"type":"text","text":"[spt-core/crates/spt-daemon/src/broker.rs#1F25]\n 601:/// already-delivered `seq` (an `attach(sub, 0)` rewind, `seq + 1 <= current`)\n*602:/// cannot lower it. This is the exact decision the `let _ = write_frame(...)`\n 603:/// swallow used to drop (doyle D4-1 amendments 1–3).\n 604:// [impl->REQ-HAZARD-BROKER-PROCESS-ISOLATION]\n 605:fn advanced_cursor(current: u64, seq: u64, write_ok: bool) -> u64 {\n...\n 1331:    for frame in &initial {\n*1332:        let ok = match send.lock() {\n*1333:            Ok(mut s) => write_frame(&mut *s, frame).is_ok(),\n 1334:            Err(_) => false,\n 1335:        };\n 1336:        if !ok {\n...\n 1340:    while let Ok(frame) = rx.recv() {\n*1341:        let ok = match send.lock() {\n*1342:            Ok(mut s) => write_frame(&mut *s, &frame).is_ok(),\n 1343:            Err(_) => false,\n 1344:        };\n 1345:        if !ok {\n...\n 1358:        let marker = evicted_envelope(session_id);\n*1359:        if let Ok(mut s) = send.lock() {\n*1360:            let _ = write_frame(&mut *s, &marker);\n 1361:        }\n 1362:    }\n 1363:}\n...\n 1441:        // initial batch races the new writer on the same socket and reorders the\n*1442:        // seq stream. The gate is read UNDER `send.lock()`, atomically with the\n 1443:        // write: both writers serialize on this one socket mutex, and\n 1444:        // `become_controller` bumps the epoch BEFORE spawning the new writer, so\n 1445:        // whichever superseded writer next holds the lock observes the bump and\n...\n 1449:        mark_blocked(true);\n*1450:        let ok = match send.lock() {\n 1451:            Ok(mut s) => {\n 1452:                if controller_epoch.load(Ordering::Acquire) != epoch {\n 1453:                    mark_blocked(false);\n...\n 1455:                }\n*1456:                write_frame(&mut *s, &frame).is_ok()\n 1457:            }\n 1458:            Err(_) => false,\n 1459:        };\n...\n 1479:        mark_blocked(true);\n*1480:        let ok = match send.lock() {\n*1481:            Ok(mut s) => write_frame(&mut *s, frame).is_ok(),\n 1482:            Err(_) => false,\n 1483:        };\n 1484:        mark_blocked(false);\n...\n 3121:                    if let Ok(mut s) = sink.lock() {\n*3122:                        let _ = write_frame(&mut *s, &frame);\n 3123:                    }\n 3124:                }\n 3125:            }\n...\n 4185:fn send_frame(send: &SharedSend, frame: &Envelope) {\n*4186:    if let Ok(mut s) = send.lock() {\n*4187:        let _ = write_frame(&mut *s, frame);\n 4188:    }\n 4189:}\n 4190:\n...\n 4226:    /// advance to `seq+1` ONLY on a successful write, monotonic, frozen on a\n*4227:    /// failed write. This is the decision the old `let _ = write_frame(...)`\n 4228:    /// swallow dropped — advancing past a failed write would degrade\n 4229:    /// at-least-once output to at-most-once (the Q6 failure class).\n 4230:    // [unit->REQ-HAZARD-BROKER-PROCESS-ISOLATION]\n...\n 5162:    //    `if controller_epoch.load(Acquire) != epoch { return; }` inside\n*5163:    //    `controller_writer`'s `send.lock()` arm → RED). ──────────────────────────\n 5164:\n 5165:    /// A connected local-socket pair for the unit: bind a listener, connect a\n 5166:    /// client `Stream`, accept the server `Stream`. Returns the SERVER send half\n...\n 5221:    ///\n*5222:    /// DETERMINISM: the test holds `send.lock()` across BOTH `become_controller`\n 5223:    /// calls (and the interleaved append), so neither writer thread can acquire the\n 5224:    /// socket mutex until after the epoch is bumped. On release, writer-A — whichever\n 5225:    /// order it next wins the mutex — reads the already-bumped epoch under the lock\n...\n 5230:    /// `if controller_epoch.load(Acquire) != epoch { return; }` inside\n*5231:    /// `controller_writer`'s `send.lock()` arm and writer-A flushes its stale\n 5232:    /// repaint@1; since both writers serialize on the SAME socket mutex, writer-A's\n 5233:    /// seq 1 can win the first slot → the first frame read is `1`, and\n 5234:    /// `assert_eq!(seqs, [2])` fails — exactly the `got stale seq` reorder this\n...\n 5253:        // (and the epoch bump) are done — the determinism lever.\n*5254:        let guard = send.lock().expect(\"pin the controller socket\");\n 5255:\n 5256:        // writer-A: registers at next_seq-1 = 1 → initial = [repaint@1].\n 5257:        log.become_controller(Arc::clone(&send), None, 0);"}],"details":{"scopePath":"spt-core/crates/spt-daemon/src/broker.rs","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs","cwd":"C:\\Users\\decid\\Documents\\projects","matchCount":20,"fileCount":1,"files":["spt-core/crates/spt-daemon/src/broker.rs"],"fileMatches":[{"path":"spt-core/crates/spt-daemon/src/broker.rs","count":20}],"truncated":false,"displayContent":"  601│/// already-delivered `seq` (an `attach(sub, 0)` rewind, `seq + 1 <= current`)\n *602│/// cannot lower it. This is the exact decision the `let _ = write_frame(...)`\n  603│/// swallow used to drop (doyle D4-1 amendments 1–3).\n  604│// [impl->REQ-HAZARD-BROKER-PROCESS-ISOLATION]\n  605│fn advanced_cursor(current: u64, seq: u64, write_ok: bool) -> u64 {\n     │...\n 1331│    for frame in &initial {\n*1332│        let ok = match send.lock() {\n*1333│            Ok(mut s) => write_frame(&mut *s, frame).is_ok(),\n 1334│            Err(_) => false,\n 1335│        };\n 1336│        if !ok {\n     │...\n 1340│    while let Ok(frame) = rx.recv() {\n*1341│        let ok = match send.lock() {\n*1342│            Ok(mut s) => write_frame(&mut *s, &frame).is_ok(),\n 1343│            Err(_) => false,\n 1344│        };\n 1345│        if !ok {\n     │...\n 1358│        let marker = evicted_envelope(session_id);\n*1359│        if let Ok(mut s) = send.lock() {\n*1360│            let _ = write_frame(&mut *s, &marker);\n 1361│        }\n 1362│    }\n 1363│}\n     │...\n 1441│        // initial batch races the new writer on the same socket and reorders the\n*1442│        // seq stream. The gate is read UNDER `send.lock()`, atomically with the\n 1443│        // write: both writers serialize on this one socket mutex, and\n 1444│        // `become_controller` bumps the epoch BEFORE spawning the new writer, so\n 1445│        // whichever superseded writer next holds the lock observes the bump and\n     │...\n 1449│        mark_blocked(true);\n*1450│        let ok = match send.lock() {\n 1451│            Ok(mut s) => {\n 1452│                if controller_epoch.load(Ordering::Acquire) != epoch {\n 1453│                    mark_blocked(false);\n     │...\n 1455│                }\n*1456│                write_frame(&mut *s, &frame).is_ok()\n 1457│            }\n 1458│            Err(_) => false,\n 1459│        };\n     │...\n 1479│        mark_blocked(true);\n*1480│        let ok = match send.lock() {\n*1481│            Ok(mut s) => write_frame(&mut *s, frame).is_ok(),\n 1482│            Err(_) => false,\n 1483│        };\n 1484│        mark_blocked(false);\n     │...\n 3121│                    if let Ok(mut s) = sink.lock() {\n*3122│                        let _ = write_frame(&mut *s, &frame);\n 3123│                    }\n 3124│                }\n 3125│            }\n     │...\n 4185│fn send_frame(send: &SharedSend, frame: &Envelope) {\n*4186│    if let Ok(mut s) = send.lock() {\n*4187│        let _ = write_frame(&mut *s, frame);\n 4188│    }\n 4189│}\n 4190│\n     │...\n 4226│    /// advance to `seq+1` ONLY on a successful write, monotonic, frozen on a\n*4227│    /// failed write. This is the decision the old `let _ = write_frame(...)`\n 4228│    /// swallow dropped — advancing past a failed write would degrade\n 4229│    /// at-least-once output to at-most-once (the Q6 failure class).\n 4230│    // [unit->REQ-HAZARD-BROKER-PROCESS-ISOLATION]\n     │...\n 5162│    //    `if controller_epoch.load(Acquire) != epoch { return; }` inside\n*5163│    //    `controller_writer`'s `send.lock()` arm → RED). ──────────────────────────\n 5164│\n 5165│    /// A connected local-socket pair for the unit: bind a listener, connect a\n 5166│    /// client `Stream`, accept the server `Stream`. Returns the SERVER send half\n     │...\n 5221│    ///\n*5222│    /// DETERMINISM: the test holds `send.lock()` across BOTH `become_controller`\n 5223│    /// calls (and the interleaved append), so neither writer thread can acquire the\n 5224│    /// socket mutex until after the epoch is bumped. On release, writer-A — whichever\n 5225│    /// order it next wins the mutex — reads the already-bumped epoch under the lock\n     │...\n 5230│    /// `if controller_epoch.load(Acquire) != epoch { return; }` inside\n*5231│    /// `controller_writer`'s `send.lock()` arm and writer-A flushes its stale\n 5232│    /// repaint@1; since both writers serialize on the SAME socket mutex, writer-A's\n 5233│    /// seq 1 can win the first slot → the first frame read is `1`, and\n 5234│    /// `assert_eq!(seqs, [2])` fails — exactly the `got stale seq` reorder this\n     │...\n 5253│        // (and the epoch bump) are done — the determinism lever.\n*5254│        let guard = send.lock().expect(\"pin the controller socket\");\n 5255│\n 5256│        // writer-A: registers at next_seq-1 = 1 → initial = [repaint@1].\n 5257│        log.become_controller(Arc::clone(&send), None, 0);"},"isError":false,"timestamp":1783657492626}}
{"type":"message","id":"a6373d54","parentId":"6c0f0038","timestamp":"2026-07-10T04:24:52.628Z","message":{"role":"toolResult","toolCallId":"call_Enjx1k63TmVm1tQKrdeodftD|fc_0ec86a6c795d74b7016a5074148db08195bb361b0625216573","toolName":"grep","content":[{"type":"text","text":"[spt-core/crates/spt-daemon/src/broker.rs#1F25]\n 1107:    /// brain-restart re-serve silent (gate #7) and a cross-operator `Take` loud.\n*1108:    fn resolve_subscribe(\n 1109:        &mut self,\n 1110:        sub: SharedSend,\n 1111:        from_seq: u64,\n...\n 2969:    // [impl->REQ-HAZARD-DAEMON-SCHED-NONBLOCKING]\n*2970:    fn dispatch_spawn(&self, env: Envelope, send: &SharedSend) -> Result<u64, String> {\n 2971:        let req: SpawnReq =\n 2972:            serde_json::from_value(env.payload).map_err(|e| format!(\"bad spawn payload: {e}\"))?;\n 2973:        // Single-flight WAKE (W4, REQ-SPAWN-COLLISION-GUARD-LIVE-DUP): the broker is the\n...\n 3193:    /// self-kick guard.\n*3194:    fn dispatch_subscribe(&self, env: Envelope, send: &SharedSend) -> Result<u64, String> {\n 3195:        let req: SubscribeReq = serde_json::from_value(env.payload)\n 3196:            .map_err(|e| format!(\"bad subscribe payload: {e}\"))?;\n 3197:        // Clone the log Arc out from under the sessions lock, then resolve under\n...\n 3215:        };\n*3216:        let outcome = recover_log(&log).resolve_subscribe(\n 3217:            Arc::clone(send),\n 3218:            req.from_seq,\n 3219:            req.intent,\n...\n 5564:        let outcome =\n*5565:            log.resolve_subscribe(nsend, 0, AttachIntent::Control, Some(\"newcomer\".to_string()));\n 5566:\n 5567:        assert_eq!(\n 5568:            outcome,"}],"details":{"scopePath":"spt-core/crates/spt-daemon/src/broker.rs","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs","cwd":"C:\\Users\\decid\\Documents\\projects","matchCount":5,"fileCount":1,"files":["spt-core/crates/spt-daemon/src/broker.rs"],"fileMatches":[{"path":"spt-core/crates/spt-daemon/src/broker.rs","count":5}],"truncated":false,"displayContent":" 1107│    /// brain-restart re-serve silent (gate #7) and a cross-operator `Take` loud.\n*1108│    fn resolve_subscribe(\n 1109│        &mut self,\n 1110│        sub: SharedSend,\n 1111│        from_seq: u64,\n     │...\n 2969│    // [impl->REQ-HAZARD-DAEMON-SCHED-NONBLOCKING]\n*2970│    fn dispatch_spawn(&self, env: Envelope, send: &SharedSend) -> Result<u64, String> {\n 2971│        let req: SpawnReq =\n 2972│            serde_json::from_value(env.payload).map_err(|e| format!(\"bad spawn payload: {e}\"))?;\n 2973│        // Single-flight WAKE (W4, REQ-SPAWN-COLLISION-GUARD-LIVE-DUP): the broker is the\n     │...\n 3193│    /// self-kick guard.\n*3194│    fn dispatch_subscribe(&self, env: Envelope, send: &SharedSend) -> Result<u64, String> {\n 3195│        let req: SubscribeReq = serde_json::from_value(env.payload)\n 3196│            .map_err(|e| format!(\"bad subscribe payload: {e}\"))?;\n 3197│        // Clone the log Arc out from under the sessions lock, then resolve under\n     │...\n 3215│        };\n*3216│        let outcome = recover_log(&log).resolve_subscribe(\n 3217│            Arc::clone(send),\n 3218│            req.from_seq,\n 3219│            req.intent,\n     │...\n 5564│        let outcome =\n*5565│            log.resolve_subscribe(nsend, 0, AttachIntent::Control, Some(\"newcomer\".to_string()));\n 5566│\n 5567│        assert_eq!(\n 5568│            outcome,"},"isError":false,"timestamp":1783657492628}}
{"type":"message","id":"3b5dcb82","parentId":"a6373d54","timestamp":"2026-07-10T04:24:52.664Z","message":{"role":"toolResult","toolCallId":"call_g6IsSHK8Yde4gtt4FiYOolNl|fc_0ec86a6c795d74b7016a5074148d9481958e9caee09b593704","toolName":"read","content":[{"type":"text","text":"[broker.rs#1F25]\n1067:    fn add_viewer(&mut self, sub: SharedSend, from_seq: u64) {\n…\n1069:        self.next_viewer_id += 1;\n1070:        // The size frame + the initial batch (owned by the thread, not the bounded\n1071:        // queue). A COLD viewer attach (`from_seq == 0`) gets the #6 clean repaint;\n1072:        // a skip-to-live / snap re-attach (`from_seq > 0`, incl. `u64::MAX`) keeps\n1073:        // the raw-ring slice (`s >= from_seq`) — empty for skip-to-live, as before.\n1074:        let mut initial: Vec<Envelope> =\n1075:            vec![size_envelope(self.session_id, self.size.0, self.size.1)];\n1076:        match self.repaint_initial(from_seq) {\n1077:            Some((seq, bytes)) => initial.push(output_envelope(self.session_id, seq, &bytes)),\n1078:            None => initial.extend(\n1079:                self.ring\n1080:                    .iter()\n1081:                    .filter(|(s, _)| *s >= from_seq)\n1082:                    .map(|(seq, bytes)| output_envelope(self.session_id, *seq, bytes)),\n1083:            ),\n1084:        }\n1085:        let (tx, rx) = sync_channel::<Envelope>(VIEWER_CHANNEL_DEPTH);\n1086:        let writer_send = Arc::clone(&sub);\n1087:        let evicted = Arc::new(AtomicBool::new(false));\n1088:        let writer_evicted = Arc::clone(&evicted);\n1089:        let session_id = self.session_id;\n1090:        let writer =\n1091:            thread::spawn(move || viewer_writer(writer_send, session_id, initial, rx, writer_evicted));\n1092:        self.viewers.insert(\n1093:            vid,\n1094:            ViewerSink {\n1095:                tx,\n1096:                send: sub,\n1097:                evicted,\n1098:                _writer: writer,\n1099:            },\n1100:        );\n1101:    }\n1102:\n1103:    /// Resolve a controller/viewer subscribe under the W2.5 model\n1104:    /// (REQ-RCVIEW-1 / REQ-KICK-1). Returns the [`SubscribeOutcome`]; performs\n1105:    /// the controller take / viewer add / loud displace as a side effect. See the\n1106:    /// identity matrix in the body — the `by`-keyed logic is what makes a\n1107:    /// brain-restart re-serve silent (gate #7) and a cross-operator `Take` loud.\n1108:    fn resolve_subscribe(\n1109:        &mut self,\n1110:        sub: SharedSend,\n1111:        from_seq: u64,\n1112:        intent: AttachIntent,\n1113:        by: Option<String>,\n1114:    ) -> SubscribeOutcome {\n1115:        if intent == AttachIntent::Viewer {\n1116:            if self.viewers.len() >= MAX_VIEWERS {\n1117:                // Soft cap reached — refuse the viewer (bounds thread count).\n1118:                return SubscribeOutcome::BusyControlled {\n1119:                    by: \"viewer cap reached\".to_string(),\n1120:                };\n1121:            }\n1122:            self.add_viewer(sub, from_seq);\n1123:            self.stamp_viewer_count();\n1124:            return SubscribeOutcome::Viewer;\n1125:        }\n1126:        // Control or Take.\n1127:        // W2 decouple (REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE): a controller WEDGED\n1128:        // on a suspended/black-holed brain conn past BRAIN_WRITE_DEADLINE is\n1129:        // stall-evicted HERE — the take/reattach self-heals against broker truth\n1130:        // without waiting for new output (the output-driven mark_controller_gone\n1131:        // never fires on an idle session). Inline stamp: this path already writes the\n1132:        // perch under the log lock via become_controller. After the evict the slot\n1133:        // reads free and the normal free/take logic below runs.\n1134:        self.stall_evict_controller(Instant::now(), StampMode::Inline);\n1135:        if self.controller.is_none() {\n1136:            // Free endpoint → become controller (nothing to displace).\n1137:            self.become_controller(sub, by, from_seq);\n1138:            return SubscribeOutcome::Controller;\n1139:        }\n1140:        let same_identity = self.controller_by() == by.as_deref();\n1141:        if same_identity {\n1142:            // Same operator (or both local) re-serving — silent re-take. This is\n1143:            // the gate-#7 path: a successor re-taking the slot after a brain\n1144:            // restart NEVER fires Displaced.\n1145:            self.become_controller(sub, by, from_seq);\n1146:            return SubscribeOutcome::Controller;\n1147:        }\n1148:        if by.is_none() {\n1149:            // The LOCAL brain re-attaching while a REMOTE controls — never steal;\n1150:            // fall back to a silent viewer (gate #7 for the local-resume path).\n1151:            self.add_viewer(sub, from_seq);\n1152:            self.stamp_viewer_count();\n1153:            return SubscribeOutcome::Viewer;\n1154:        }\n1155:        if self.controller_by().is_none() {\n1156:            // A remote takes an UNDRIVEN session (only the local spawner held the\n1157:            // slot) — silent control, no loud displace (there is no remote driver\n1158:            // to notify).\n1159:            self.become_controller(sub, by, from_seq);\n1160:            return SubscribeOutcome::Controller;\n1161:        }\n1162:        // A DIFFERENT remote controls it.\n1163:        match intent {\n1164:            AttachIntent::Take => {\n1165:                // The ONLY loud-displace path: notify the incumbent, then take.\n1166:                // W1: route the Displaced notice through the OLD controller's\n1167:                // writer thread (best-effort, off the dispatch thread) — the\n1168:                // incumbent we're kicking may be exactly the wedged one, so an\n1169:                // inline write here would block the new attacher's dispatch.\n1170:                if let Some(old) = &self.controller {\n1171:                    let frame = displaced_envelope(self.session_id, by.as_deref().unwrap_or(\"\"));\n1172:                    let _ = old.tx.try_send(CtrlMsg::Control(frame));\n1173:                }\n1174:                self.become_controller(sub, by, from_seq);\n1175:                SubscribeOutcome::TookControl\n1176:            }\n1177:            _ => SubscribeOutcome::BusyControlled {\n1178:                by: self.controller_by().unwrap_or_default().to_string(),\n1179:            },\n1180:        }\n1181:    }\n1182:\n1183:    /// Update the stored PTY size and push a `size` frame to every viewer (the\n1184:    /// letterbox feed). Called on a controller resize. Viewer pushes are\n1185:    /// non-blocking with eviction, like [`OutputLog::append`].\n1186:    fn set_size_and_notify(&mut self, rows: u16, cols: u16) {\n1187:        self.size = (rows, cols);\n1188:        // Keep the render grid geometry in step so a post-resize repaint reflects\n1189:        // the new viewport (#8 resize-artifact fix, ADR-0031).\n1190:        self.grid.resize(rows, cols);\n1191:        if self.viewers.is_empty() {\n1192:            return;\n1193:        }\n1194:        let frame = size_envelope(self.session_id, rows, cols);\n1195:        let mut evicted: Vec<u64> = Vec::new();\n1196:        for (vid, sink) in self.viewers.iter() {\n1197:            if viewer_send_evicts(&sink.tx.try_send(frame.clone())) {\n1198:                evicted.push(*vid);\n1199:            }\n1200:        }\n1201:        if !evicted.is_empty() {\n1202:            for vid in evicted {\n1203:                // Same overflow eviction as `append` — signal skip-to-live so the\n1204:                // viewer re-subscribes rather than dying silently on a size push\n1205:                // (REQ-VIEWER-SKIP-TO-LIVE-ON-EVICT).\n1206:                if let Some(sink) = self.viewers.remove(&vid) {\n1207:                    sink.evicted.store(true, Ordering::Release);\n1208:                }\n1209:            }\n…\n1211:        }\n1212:    }\n\n[Showing lines 1069-1208 of 5718. Use :1209 to continue]"}],"details":{"truncation":{"content":"        self.next_viewer_id += 1;\r\n        // The size frame + the initial batch (owned by the thread, not the bounded\r\n        // queue). A COLD viewer attach (`from_seq == 0`) gets the #6 clean repaint;\r\n        // a skip-to-live / snap re-attach (`from_seq > 0`, incl. `u64::MAX`) keeps\r\n        // the raw-ring slice (`s >= from_seq`) — empty for skip-to-live, as before.\r\n        let mut initial: Vec<Envelope> =\r\n            vec![size_envelope(self.session_id, self.size.0, self.size.1)];\r\n        match self.repaint_initial(from_seq) {\r\n            Some((seq, bytes)) => initial.push(output_envelope(self.session_id, seq, &bytes)),\r\n            None => initial.extend(\r\n                self.ring\r\n                    .iter()\r\n                    .filter(|(s, _)| *s >= from_seq)\r\n                    .map(|(seq, bytes)| output_envelope(self.session_id, *seq, bytes)),\r\n            ),\r\n        }\r\n        let (tx, rx) = sync_channel::<Envelope>(VIEWER_CHANNEL_DEPTH);\r\n        let writer_send = Arc::clone(&sub);\r\n        let evicted = Arc::new(AtomicBool::new(false));\r\n        let writer_evicted = Arc::clone(&evicted);\r\n        let session_id = self.session_id;\r\n        let writer =\r\n            thread::spawn(move || viewer_writer(writer_send, session_id, initial, rx, writer_evicted));\r\n        self.viewers.insert(\r\n            vid,\r\n            ViewerSink {\r\n                tx,\r\n                send: sub,\r\n                evicted,\r\n                _writer: writer,\r\n            },\r\n        );\r\n    }\r\n\r\n    /// Resolve a controller/viewer subscribe under the W2.5 model\r\n    /// (REQ-RCVIEW-1 / REQ-KICK-1). Returns the [`SubscribeOutcome`]; performs\r\n    /// the controller take / viewer add / loud displace as a side effect. See the\r\n    /// identity matrix in the body — the `by`-keyed logic is what makes a\r\n    /// brain-restart re-serve silent (gate #7) and a cross-operator `Take` loud.\r\n    fn resolve_subscribe(\r\n        &mut self,\r\n        sub: SharedSend,\r\n        from_seq: u64,\r\n        intent: AttachIntent,\r\n        by: Option<String>,\r\n    ) -> SubscribeOutcome {\r\n        if intent == AttachIntent::Viewer {\r\n            if self.viewers.len() >= MAX_VIEWERS {\r\n                // Soft cap reached — refuse the viewer (bounds thread count).\r\n                return SubscribeOutcome::BusyControlled {\r\n                    by: \"viewer cap reached\".to_string(),\r\n                };\r\n            }\r\n            self.add_viewer(sub, from_seq);\r\n            self.stamp_viewer_count();\r\n            return SubscribeOutcome::Viewer;\r\n        }\r\n        // Control or Take.\r\n        // W2 decouple (REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE): a controller WEDGED\r\n        // on a suspended/black-holed brain conn past BRAIN_WRITE_DEADLINE is\r\n        // stall-evicted HERE — the take/reattach self-heals against broker truth\r\n        // without waiting for new output (the output-driven mark_controller_gone\r\n        // never fires on an idle session). Inline stamp: this path already writes the\r\n        // perch under the log lock via become_controller. After the evict the slot\r\n        // reads free and the normal free/take logic below runs.\r\n        self.stall_evict_controller(Instant::now(), StampMode::Inline);\r\n        if self.controller.is_none() {\r\n            // Free endpoint → become controller (nothing to displace).\r\n            self.become_controller(sub, by, from_seq);\r\n            return SubscribeOutcome::Controller;\r\n        }\r\n        let same_identity = self.controller_by() == by.as_deref();\r\n        if same_identity {\r\n            // Same operator (or both local) re-serving — silent re-take. This is\r\n            // the gate-#7 path: a successor re-taking the slot after a brain\r\n            // restart NEVER fires Displaced.\r\n            self.become_controller(sub, by, from_seq);\r\n            return SubscribeOutcome::Controller;\r\n        }\r\n        if by.is_none() {\r\n            // The LOCAL brain re-attaching while a REMOTE controls — never steal;\r\n            // fall back to a silent viewer (gate #7 for the local-resume path).\r\n            self.add_viewer(sub, from_seq);\r\n            self.stamp_viewer_count();\r\n            return SubscribeOutcome::Viewer;\r\n        }\r\n        if self.controller_by().is_none() {\r\n            // A remote takes an UNDRIVEN session (only the local spawner held the\r\n            // slot) — silent control, no loud displace (there is no remote driver\r\n            // to notify).\r\n            self.become_controller(sub, by, from_seq);\r\n            return SubscribeOutcome::Controller;\r\n        }\r\n        // A DIFFERENT remote controls it.\r\n        match intent {\r\n            AttachIntent::Take => {\r\n                // The ONLY loud-displace path: notify the incumbent, then take.\r\n                // W1: route the Displaced notice through the OLD controller's\r\n                // writer thread (best-effort, off the dispatch thread) — the\r\n                // incumbent we're kicking may be exactly the wedged one, so an\r\n                // inline write here would block the new attacher's dispatch.\r\n                if let Some(old) = &self.controller {\r\n                    let frame = displaced_envelope(self.session_id, by.as_deref().unwrap_or(\"\"));\r\n                    let _ = old.tx.try_send(CtrlMsg::Control(frame));\r\n                }\r\n                self.become_controller(sub, by, from_seq);\r\n                SubscribeOutcome::TookControl\r\n            }\r\n            _ => SubscribeOutcome::BusyControlled {\r\n                by: self.controller_by().unwrap_or_default().to_string(),\r\n            },\r\n        }\r\n    }\r\n\r\n    /// Update the stored PTY size and push a `size` frame to every viewer (the\r\n    /// letterbox feed). Called on a controller resize. Viewer pushes are\r\n    /// non-blocking with eviction, like [`OutputLog::append`].\r\n    fn set_size_and_notify(&mut self, rows: u16, cols: u16) {\r\n        self.size = (rows, cols);\r\n        // Keep the render grid geometry in step so a post-resize repaint reflects\r\n        // the new viewport (#8 resize-artifact fix, ADR-0031).\r\n        self.grid.resize(rows, cols);\r\n        if self.viewers.is_empty() {\r\n            return;\r\n        }\r\n        let frame = size_envelope(self.session_id, rows, cols);\r\n        let mut evicted: Vec<u64> = Vec::new();\r\n        for (vid, sink) in self.viewers.iter() {\r\n            if viewer_send_evicts(&sink.tx.try_send(frame.clone())) {\r\n                evicted.push(*vid);\r\n            }\r\n        }\r\n        if !evicted.is_empty() {\r\n            for vid in evicted {\r\n                // Same overflow eviction as `append` — signal skip-to-live so the\r\n                // viewer re-subscribes rather than dying silently on a size push\r\n                // (REQ-VIEWER-SKIP-TO-LIVE-ON-EVICT).\r\n                if let Some(sink) = self.viewers.remove(&vid) {\r\n                    sink.evicted.store(true, Ordering::Release);\r\n                }\r","truncated":true,"truncatedBy":"lines","totalLines":4650,"totalBytes":6958,"outputLines":140,"outputBytes":6958,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"    fn add_viewer(&mut self, sub: SharedSend, from_seq: u64) {\n…\n        self.next_viewer_id += 1;\r\n        // The size frame + the initial batch (owned by the thread, not the bounded\r\n        // queue). A COLD viewer attach (`from_seq == 0`) gets the #6 clean repaint;\r\n        // a skip-to-live / snap re-attach (`from_seq > 0`, incl. `u64::MAX`) keeps\r\n        // the raw-ring slice (`s >= from_seq`) — empty for skip-to-live, as before.\r\n        let mut initial: Vec<Envelope> =\r\n            vec![size_envelope(self.session_id, self.size.0, self.size.1)];\r\n        match self.repaint_initial(from_seq) {\r\n            Some((seq, bytes)) => initial.push(output_envelope(self.session_id, seq, &bytes)),\r\n            None => initial.extend(\r\n                self.ring\r\n                    .iter()\r\n                    .filter(|(s, _)| *s >= from_seq)\r\n                    .map(|(seq, bytes)| output_envelope(self.session_id, *seq, bytes)),\r\n            ),\r\n        }\r\n        let (tx, rx) = sync_channel::<Envelope>(VIEWER_CHANNEL_DEPTH);\r\n        let writer_send = Arc::clone(&sub);\r\n        let evicted = Arc::new(AtomicBool::new(false));\r\n        let writer_evicted = Arc::clone(&evicted);\r\n        let session_id = self.session_id;\r\n        let writer =\r\n            thread::spawn(move || viewer_writer(writer_send, session_id, initial, rx, writer_evicted));\r\n        self.viewers.insert(\r\n            vid,\r\n            ViewerSink {\r\n                tx,\r\n                send: sub,\r\n                evicted,\r\n                _writer: writer,\r\n            },\r\n        );\r\n    }\r\n\r\n    /// Resolve a controller/viewer subscribe under the W2.5 model\r\n    /// (REQ-RCVIEW-1 / REQ-KICK-1). Returns the [`SubscribeOutcome`]; performs\r\n    /// the controller take / viewer add / loud displace as a side effect. See the\r\n    /// identity matrix in the body — the `by`-keyed logic is what makes a\r\n    /// brain-restart re-serve silent (gate #7) and a cross-operator `Take` loud.\r\n    fn resolve_subscribe(\r\n        &mut self,\r\n        sub: SharedSend,\r\n        from_seq: u64,\r\n        intent: AttachIntent,\r\n        by: Option<String>,\r\n    ) -> SubscribeOutcome {\r\n        if intent == AttachIntent::Viewer {\r\n            if self.viewers.len() >= MAX_VIEWERS {\r\n                // Soft cap reached — refuse the viewer (bounds thread count).\r\n                return SubscribeOutcome::BusyControlled {\r\n                    by: \"viewer cap reached\".to_string(),\r\n                };\r\n            }\r\n            self.add_viewer(sub, from_seq);\r\n            self.stamp_viewer_count();\r\n            return SubscribeOutcome::Viewer;\r\n        }\r\n        // Control or Take.\r\n        // W2 decouple (REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE): a controller WEDGED\r\n        // on a suspended/black-holed brain conn past BRAIN_WRITE_DEADLINE is\r\n        // stall-evicted HERE — the take/reattach self-heals against broker truth\r\n        // without waiting for new output (the output-driven mark_controller_gone\r\n        // never fires on an idle session). Inline stamp: this path already writes the\r\n        // perch under the log lock via become_controller. After the evict the slot\r\n        // reads free and the normal free/take logic below runs.\r\n        self.stall_evict_controller(Instant::now(), StampMode::Inline);\r\n        if self.controller.is_none() {\r\n            // Free endpoint → become controller (nothing to displace).\r\n            self.become_controller(sub, by, from_seq);\r\n            return SubscribeOutcome::Controller;\r\n        }\r\n        let same_identity = self.controller_by() == by.as_deref();\r\n        if same_identity {\r\n            // Same operator (or both local) re-serving — silent re-take. This is\r\n            // the gate-#7 path: a successor re-taking the slot after a brain\r\n            // restart NEVER fires Displaced.\r\n            self.become_controller(sub, by, from_seq);\r\n            return SubscribeOutcome::Controller;\r\n        }\r\n        if by.is_none() {\r\n            // The LOCAL brain re-attaching while a REMOTE controls — never steal;\r\n            // fall back to a silent viewer (gate #7 for the local-resume path).\r\n            self.add_viewer(sub, from_seq);\r\n            self.stamp_viewer_count();\r\n            return SubscribeOutcome::Viewer;\r\n        }\r\n        if self.controller_by().is_none() {\r\n            // A remote takes an UNDRIVEN session (only the local spawner held the\r\n            // slot) — silent control, no loud displace (there is no remote driver\r\n            // to notify).\r\n            self.become_controller(sub, by, from_seq);\r\n            return SubscribeOutcome::Controller;\r\n        }\r\n        // A DIFFERENT remote controls it.\r\n        match intent {\r\n            AttachIntent::Take => {\r\n                // The ONLY loud-displace path: notify the incumbent, then take.\r\n                // W1: route the Displaced notice through the OLD controller's\r\n                // writer thread (best-effort, off the dispatch thread) — the\r\n                // incumbent we're kicking may be exactly the wedged one, so an\r\n                // inline write here would block the new attacher's dispatch.\r\n                if let Some(old) = &self.controller {\r\n                    let frame = displaced_envelope(self.session_id, by.as_deref().unwrap_or(\"\"));\r\n                    let _ = old.tx.try_send(CtrlMsg::Control(frame));\r\n                }\r\n                self.become_controller(sub, by, from_seq);\r\n                SubscribeOutcome::TookControl\r\n            }\r\n            _ => SubscribeOutcome::BusyControlled {\r\n                by: self.controller_by().unwrap_or_default().to_string(),\r\n            },\r\n        }\r\n    }\r\n\r\n    /// Update the stored PTY size and push a `size` frame to every viewer (the\r\n    /// letterbox feed). Called on a controller resize. Viewer pushes are\r\n    /// non-blocking with eviction, like [`OutputLog::append`].\r\n    fn set_size_and_notify(&mut self, rows: u16, cols: u16) {\r\n        self.size = (rows, cols);\r\n        // Keep the render grid geometry in step so a post-resize repaint reflects\r\n        // the new viewport (#8 resize-artifact fix, ADR-0031).\r\n        self.grid.resize(rows, cols);\r\n        if self.viewers.is_empty() {\r\n            return;\r\n        }\r\n        let frame = size_envelope(self.session_id, rows, cols);\r\n        let mut evicted: Vec<u64> = Vec::new();\r\n        for (vid, sink) in self.viewers.iter() {\r\n            if viewer_send_evicts(&sink.tx.try_send(frame.clone())) {\r\n                evicted.push(*vid);\r\n            }\r\n        }\r\n        if !evicted.is_empty() {\r\n            for vid in evicted {\r\n                // Same overflow eviction as `append` — signal skip-to-live so the\r\n                // viewer re-subscribes rather than dying silently on a size push\r\n                // (REQ-VIEWER-SKIP-TO-LIVE-ON-EVICT).\r\n                if let Some(sink) = self.viewers.remove(&vid) {\r\n                    sink.evicted.store(true, Ordering::Release);\r\n                }\r\n            }\n…\n        }\n    }","startLine":1067,"lineNumbers":[1067,null,1069,1070,1071,1072,1073,1074,1075,1076,1077,1078,1079,1080,1081,1082,1083,1084,1085,1086,1087,1088,1089,1090,1091,1092,1093,1094,1095,1096,1097,1098,1099,1100,1101,1102,1103,1104,1105,1106,1107,1108,1109,1110,1111,1112,1113,1114,1115,1116,1117,1118,1119,1120,1121,1122,1123,1124,1125,1126,1127,1128,1129,1130,1131,1132,1133,1134,1135,1136,1137,1138,1139,1140,1141,1142,1143,1144,1145,1146,1147,1148,1149,1150,1151,1152,1153,1154,1155,1156,1157,1158,1159,1160,1161,1162,1163,1164,1165,1166,1167,1168,1169,1170,1171,1172,1173,1174,1175,1176,1177,1178,1179,1180,1181,1182,1183,1184,1185,1186,1187,1188,1189,1190,1191,1192,1193,1194,1195,1196,1197,1198,1199,1200,1201,1202,1203,1204,1205,1206,1207,1208,1209,null,1211,1212]},"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":5718,"totalBytes":6958,"outputLines":140,"outputBytes":6958,"shownRange":{"start":1069,"end":1208},"nextOffset":1209}}},"isError":false,"timestamp":1783657492664}}
{"type":"message","id":"14390985","parentId":"3b5dcb82","timestamp":"2026-07-10T04:24:52.696Z","message":{"role":"toolResult","toolCallId":"call_7mvnDV5UGrDAPEjOMYEgLDFb|fc_0ec86a6c795d74b7016a5074148da88195be0126412c054fef","toolName":"read","content":[{"type":"text","text":"[broker.rs#1F25]\n2750:    fn handle_conn(self: &Arc<Self>, conn: Stream) -> io::Result<()> {\n…\n2761:        loop {\n…\n2767:            match env.kind.as_str() {\n…\n2939:            }\n2940:        }\n2941:\n2942:        // Brain gone: detach as subscriber but leave the sessions running.\n2943:        let sessions = recover(&self.sessions);\n2944:        for id in &my_subs {\n2945:            if let Some(h) = sessions.get(id) {\n2946:                recover_log(&h.log).detach_if(&send);\n2947:            }\n2948:        }\n2949:        drop(sessions);\n2950:        // Same for net streams: the streams + their rings persist (D4b).\n2951:        if let Some(host) = self.net.get() {\n2952:            for id in &my_stream_subs {\n2953:                host.detach_stream_sub(*id, &send);\n2954:            }\n2955:            // And presence: the liveness log + its ring persist (D4c).\n2956:            if my_presence_sub {\n2957:                host.detach_presence_sub(&send);\n2958:            }\n2959:        }\n2960:        Ok(())\n2961:    }\n2962:\n2963:    /// Spawn a child under a fresh PTY, register it, auto-subscribe the spawning\n2964:    /// connection, start its output drain and exit waiter, and reply `spawned`.\n2965:    /// Every hosted session gets its **own** drain + exit-waiter threads (KH\n2966:    /// 7.4): a hung child blocks only its own threads — shell instances ride\n2967:    /// exactly this isolation (one owner's hung shell binary stalls neither\n2968:    /// another owner's delivery nor the broker's control dispatch).\n2969:    // [impl->REQ-HAZARD-DAEMON-SCHED-NONBLOCKING]\n2970:    fn dispatch_spawn(&self, env: Envelope, send: &SharedSend) -> Result<u64, String> {\n2971:        let req: SpawnReq =\n2972:            serde_json::from_value(env.payload).map_err(|e| format!(\"bad spawn payload: {e}\"))?;\n2973:        // Single-flight WAKE (W4, REQ-SPAWN-COLLISION-GUARD-LIVE-DUP): the broker is the\n2974:        // sole spawner post-W3, so its own spawn choke is the single-flight authority.\n2975:        // Dedup a duplicate wake/resume for an endpoint that already has a live session\n2976:        // OR a spawn in flight — closing the check-then-spawn TOCTOU that let one wake\n2977:        // spawn two identical launch trees (perri's flynn dup: duplicate perch writers\n2978:        // then stomped info.json, routing injects to a contended record). The claim +\n2979:        // the live-session check are read together under one atomic critical section so\n2980:        // a concurrent spawn either sees our claim or its registered session — never a\n2981:        // gap; NO I/O under the lock (process_id reads a cached pid). An empty endpoint\n2982:        // is an ad-hoc/legacy spawn (no id to dedup on) → never gated. `_wake_claim`\n2983:        // holds the claim to fn end, releasing (RAII) after the session is table-visible\n2984:        // or on any early error.\n2985:        // [impl->REQ-SPAWN-COLLISION-GUARD-LIVE-DUP]\n2986:        let _wake_claim: Option<WakeClaimGuard> = if req.endpoint.is_empty() {\n2987:            None\n2988:        } else {\n2989:            let deadline = Instant::now() + WAKE_DEDUP_WAIT;\n2990:            loop {\n2991:                enum Gate<'a> {\n2992:                    Claimed(WakeClaimGuard<'a>),\n2993:                    AlreadyLive(u64, Option<u32>),\n2994:                    Racing,\n2995:                }\n2996:                let gate = {\n2997:                    let sessions = recover(&self.sessions);\n2998:                    let mut inflight = recover(&self.wake_inflight);\n2999:                    let live = sessions\n3000:                        .iter()\n3001:                        .find(|(_, h)| h.endpoint == req.endpoint)\n3002:                        .map(|(sid, h)| (*sid, h.session.process_id()));\n3003:                    match wake_gate_decision(\n3004:                        live.is_some(),\n3005:                        inflight.contains(&req.endpoint),\n3006:                        Instant::now() >= deadline,\n3007:                    ) {\n3008:                        WakeGate::AlreadyLive => {\n3009:                            let (sid, spid) = live.expect(\"live is Some on AlreadyLive\");\n3010:                            Gate::AlreadyLive(sid, spid)\n3011:                        }\n3012:                        WakeGate::Racing => Gate::Racing,\n3013:                        WakeGate::Claim => {\n3014:                            inflight.insert(req.endpoint.clone());\n3015:                            Gate::Claimed(WakeClaimGuard {\n3016:                                set: &self.wake_inflight,\n3017:                                endpoint: req.endpoint.clone(),\n3018:                            })\n3019:                        }\n3020:                    }\n3021:                };\n3022:                match gate {\n3023:                    Gate::Claimed(guard) => break Some(guard),\n3024:                    Gate::AlreadyLive(sid, spid) => {\n3025:                        eprintln!(\n3026:                            \"SPAWN_DEDUP:{}: endpoint already has a live session {sid} — \\\n3027:                             single-flight wake no-op ack [REQ-SPAWN-COLLISION-GUARD-LIVE-DUP]\",\n3028:                            req.endpoint\n3029:                        );\n3030:                        let frame = Envelope::new(\n3031:                            KIND_SPAWNED,\n3032:                            serde_json::to_value(Spawned { session_id: sid, pid: spid })\n3033:                                .expect(\"Spawned serializes\"),\n3034:                        );\n3035:                        send_frame(send, &frame);\n3036:                        return Ok(sid);\n3037:                    }\n3038:                    Gate::Racing => thread::sleep(WAKE_DEDUP_POLL),\n3039:                }\n3040:            }\n3041:        };\n3042:        // REQ-HOST-RUN-2: spawn in the requested project cwd when carried;\n3043:        // `None` inherits the broker's cwd (legacy/test + W1 bringup shortcut).\n3044:        // Inject the manifest [env] vars (REQ-HAZARD-ENV-SUBST) on top of the\n3045:        // inherited env — empty for a legacy/N-1 spawn (inherit only).\n3046:        let session = PtySession::spawn_program_in_env(\n3047:            &req.program,\n3048:            &req.args,\n3049:            SurfaceSize::new(req.rows, req.cols),\n3050:            req.cwd.as_deref(),\n3051:            req.env.iter().map(|(k, v)| (k.as_str(), v.as_str())),\n3052:        )\n3053:        .map_err(|e| format!(\"spawn failed: {e}\"))?;\n3054:        let session = Arc::new(session);\n3055:        let id = self.next_id.fetch_add(1, Ordering::Relaxed);\n3056:        let pid = session.process_id();\n3057:\n3058:        // The session's lone PTY input-writer (P0): the SOLE caller of the\n3059:        // blocking `write_input`. Every dispatch-side write enqueues here, so a\n3060:        // paste burst parks only this thread — never the broker dispatch thread\n3061:        // (REQ-HAZARD-PTY-INPUT-WRITER-WEDGE). The inject worker writes through it\n3062:        // too, so the lone writer enforces the W2 inject-floor order.\n3063:        let input = InputWriter::spawn(Arc::clone(&session), req.endpoint.clone());\n3064:\n3065:        // The output log, with the spawning connection pre-attached as the\n3066:        // controller (identity `None` = LOCAL, not a remote driver) so no chunk\n3067:        // is missed before an explicit subscribe — and so a remote attach to a\n3068:        // spawned-but-undriven session takes control silently (no loud displace\n3069:        // of the local-spawner placeholder; REQ-RCVIEW-1).\n3070:        let log = Arc::new(Mutex::new(OutputLog::new(\n3071:            id,\n3072:            self.log_cap_chunks,\n3073:            req.endpoint.clone(),\n3074:            (req.rows, req.cols),\n3075:        )));\n3076:        log.lock()\n3077:            .unwrap()\n3078:            .become_controller(Arc::clone(send), None, 0);\n3079:\n3080:        // Output drain → append under the log lock (fast: ring + viewer fan-out),\n3081:        // then deliver to the controller OFF the lock with a bounded deadline\n3082:        // (W1 / REQ-HAZARD-INJECT-CONTROL-COEXIST). The controller write is no\n3083:        // longer inline under the log lock, so a backed-up controller can never\n3084:        // wedge the session; a fully-stalled controller is detached after the\n3085:        // deadline (bounded wedge, never permanent).\n3086:        let log_drain = Arc::clone(&log);\n3087:        let drain = session\n3088:            .drain(move |chunk| {\n3089:                // append() does the controller handoff inline now (one non-blocking\n3090:                // try_send — b4) and returns Some(epoch) ONLY when the controller is\n3091:                // stalled-past-deadline / gone and must be evicted. mark it gone OFF\n3092:                // the first lock (a fresh lock, no self-deadlock). The drain never\n3093:                // sleeps here, so a slow controller can't throttle the viewer fan-out.\n3094:                let evict = recover_log(&log_drain).append(chunk);\n3095:                if let Some(epoch) = evict {\n3096:                    recover_log(&log_drain).mark_controller_gone(epoch);\n3097:                }\n3098:            })\n3099:            .map_err(|e| format!(\"drain failed: {e}\"))?;\n3100:\n3101:        // Exit waiter → one `exit` frame when the child is reaped, then the dead\n3102:        // session is removed from the table. Runs on its own thread; `wait`\n3103:        // holds the child lock but `kill` uses a split killer.\n3104:        let sessions_exit = Arc::clone(&self.sessions);\n3105:        let log_exit = Arc::clone(&log);\n3106:        let waiter = Arc::clone(&session);\n3107:        thread::spawn(move || {\n3108:            if let Ok(status) = waiter.wait() {\n3109:                let ev = ExitEvent {\n3110:                    session_id: id,\n3111:                    code: Some(status.exit_code() as i32),\n3112:                };\n3113:                let frame = Envelope::new(\n3114:                    KIND_EXIT,\n3115:                    serde_json::to_value(ev).expect(\"ExitEvent serializes\"),\n3116:                );\n3117:                // Send to every attached sink — controller + all viewers (under\n3118:                // the log lock).\n3119:                let sinks = recover_log(&log_exit).all_sinks();\n3120:                for sink in sinks {\n3121:                    if let Ok(mut s) = sink.lock() {\n3122:                        let _ = write_frame(&mut *s, &frame);\n3123:                    }\n3124:                }\n3125:            }\n3126:            // Reap-time unlatch (REQ-HAZARD-CONTROL-STAMP-LIFETIME): the child\n3127:            // died, not the controller conn, so no detach path clears the perch\n3128:            // — do it here so ONLINE+CONTROLLED / driven_by / viewer_count cannot\n3129:            // outlive the session in info.json (or gossip a stale controller).\n3130:            // [impl->REQ-HAZARD-CONTROL-STAMP-LIFETIME]\n3131:            recover_log(&log_exit).stamp_reaped();\n3132:            // Reap the dead session from the table.\n3133:            recover(&sessions_exit).remove(&id);\n3134:        });\n3135:\n3136:        // Layer C: if the spawn carried a translation binary, bring it up with the\n3137:        // session — spawn the pure stdin→stdout filter + the inject worker that\n3138:        // owns the atomic PTY apply. A spawn failure FAILS CLOSED to SPOOLING\n3139:        // (logged, `None` → idle inbound spools, never raw-injected) rather than\n3140:        // aborting the session — a missing binary costs idle delivery, never the\n3141:        // operator their agent.\n3142:        // C-1: the shared bounded-respawn give-up counter (starts at 0; the worker\n3143:        // resets it on a healthy commit, the dispatch respawn path increments it).\n3144:        let translation_respawns = Arc::new(AtomicU32::new(0));\n3145:        let translation = req\n3146:            .translation_binary\n3147:            .as_deref()\n3148:            .and_then(|argv| {\n3149:                build_translation(\n3150:                    argv,\n3151:                    &req.endpoint,\n3152:                    &input,\n3153:                    Arc::clone(&translation_respawns),\n…\n3155:                )\n3156:            });\n…\n3184:    }\n\n[Showing lines 2939-3153 of 5718. Use :3154 to continue]"}],"details":{"truncation":{"content":"            }\r\n        }\r\n\r\n        // Brain gone: detach as subscriber but leave the sessions running.\r\n        let sessions = recover(&self.sessions);\r\n        for id in &my_subs {\r\n            if let Some(h) = sessions.get(id) {\r\n                recover_log(&h.log).detach_if(&send);\r\n            }\r\n        }\r\n        drop(sessions);\r\n        // Same for net streams: the streams + their rings persist (D4b).\r\n        if let Some(host) = self.net.get() {\r\n            for id in &my_stream_subs {\r\n                host.detach_stream_sub(*id, &send);\r\n            }\r\n            // And presence: the liveness log + its ring persist (D4c).\r\n            if my_presence_sub {\r\n                host.detach_presence_sub(&send);\r\n            }\r\n        }\r\n        Ok(())\r\n    }\r\n\r\n    /// Spawn a child under a fresh PTY, register it, auto-subscribe the spawning\r\n    /// connection, start its output drain and exit waiter, and reply `spawned`.\r\n    /// Every hosted session gets its **own** drain + exit-waiter threads (KH\r\n    /// 7.4): a hung child blocks only its own threads — shell instances ride\r\n    /// exactly this isolation (one owner's hung shell binary stalls neither\r\n    /// another owner's delivery nor the broker's control dispatch).\r\n    // [impl->REQ-HAZARD-DAEMON-SCHED-NONBLOCKING]\r\n    fn dispatch_spawn(&self, env: Envelope, send: &SharedSend) -> Result<u64, String> {\r\n        let req: SpawnReq =\r\n            serde_json::from_value(env.payload).map_err(|e| format!(\"bad spawn payload: {e}\"))?;\r\n        // Single-flight WAKE (W4, REQ-SPAWN-COLLISION-GUARD-LIVE-DUP): the broker is the\r\n        // sole spawner post-W3, so its own spawn choke is the single-flight authority.\r\n        // Dedup a duplicate wake/resume for an endpoint that already has a live session\r\n        // OR a spawn in flight — closing the check-then-spawn TOCTOU that let one wake\r\n        // spawn two identical launch trees (perri's flynn dup: duplicate perch writers\r\n        // then stomped info.json, routing injects to a contended record). The claim +\r\n        // the live-session check are read together under one atomic critical section so\r\n        // a concurrent spawn either sees our claim or its registered session — never a\r\n        // gap; NO I/O under the lock (process_id reads a cached pid). An empty endpoint\r\n        // is an ad-hoc/legacy spawn (no id to dedup on) → never gated. `_wake_claim`\r\n        // holds the claim to fn end, releasing (RAII) after the session is table-visible\r\n        // or on any early error.\r\n        // [impl->REQ-SPAWN-COLLISION-GUARD-LIVE-DUP]\r\n        let _wake_claim: Option<WakeClaimGuard> = if req.endpoint.is_empty() {\r\n            None\r\n        } else {\r\n            let deadline = Instant::now() + WAKE_DEDUP_WAIT;\r\n            loop {\r\n                enum Gate<'a> {\r\n                    Claimed(WakeClaimGuard<'a>),\r\n                    AlreadyLive(u64, Option<u32>),\r\n                    Racing,\r\n                }\r\n                let gate = {\r\n                    let sessions = recover(&self.sessions);\r\n                    let mut inflight = recover(&self.wake_inflight);\r\n                    let live = sessions\r\n                        .iter()\r\n                        .find(|(_, h)| h.endpoint == req.endpoint)\r\n                        .map(|(sid, h)| (*sid, h.session.process_id()));\r\n                    match wake_gate_decision(\r\n                        live.is_some(),\r\n                        inflight.contains(&req.endpoint),\r\n                        Instant::now() >= deadline,\r\n                    ) {\r\n                        WakeGate::AlreadyLive => {\r\n                            let (sid, spid) = live.expect(\"live is Some on AlreadyLive\");\r\n                            Gate::AlreadyLive(sid, spid)\r\n                        }\r\n                        WakeGate::Racing => Gate::Racing,\r\n                        WakeGate::Claim => {\r\n                            inflight.insert(req.endpoint.clone());\r\n                            Gate::Claimed(WakeClaimGuard {\r\n                                set: &self.wake_inflight,\r\n                                endpoint: req.endpoint.clone(),\r\n                            })\r\n                        }\r\n                    }\r\n                };\r\n                match gate {\r\n                    Gate::Claimed(guard) => break Some(guard),\r\n                    Gate::AlreadyLive(sid, spid) => {\r\n                        eprintln!(\r\n                            \"SPAWN_DEDUP:{}: endpoint already has a live session {sid} — \\\r\n                             single-flight wake no-op ack [REQ-SPAWN-COLLISION-GUARD-LIVE-DUP]\",\r\n                            req.endpoint\r\n                        );\r\n                        let frame = Envelope::new(\r\n                            KIND_SPAWNED,\r\n                            serde_json::to_value(Spawned { session_id: sid, pid: spid })\r\n                                .expect(\"Spawned serializes\"),\r\n                        );\r\n                        send_frame(send, &frame);\r\n                        return Ok(sid);\r\n                    }\r\n                    Gate::Racing => thread::sleep(WAKE_DEDUP_POLL),\r\n                }\r\n            }\r\n        };\r\n        // REQ-HOST-RUN-2: spawn in the requested project cwd when carried;\r\n        // `None` inherits the broker's cwd (legacy/test + W1 bringup shortcut).\r\n        // Inject the manifest [env] vars (REQ-HAZARD-ENV-SUBST) on top of the\r\n        // inherited env — empty for a legacy/N-1 spawn (inherit only).\r\n        let session = PtySession::spawn_program_in_env(\r\n            &req.program,\r\n            &req.args,\r\n            SurfaceSize::new(req.rows, req.cols),\r\n            req.cwd.as_deref(),\r\n            req.env.iter().map(|(k, v)| (k.as_str(), v.as_str())),\r\n        )\r\n        .map_err(|e| format!(\"spawn failed: {e}\"))?;\r\n        let session = Arc::new(session);\r\n        let id = self.next_id.fetch_add(1, Ordering::Relaxed);\r\n        let pid = session.process_id();\r\n\r\n        // The session's lone PTY input-writer (P0): the SOLE caller of the\r\n        // blocking `write_input`. Every dispatch-side write enqueues here, so a\r\n        // paste burst parks only this thread — never the broker dispatch thread\r\n        // (REQ-HAZARD-PTY-INPUT-WRITER-WEDGE). The inject worker writes through it\r\n        // too, so the lone writer enforces the W2 inject-floor order.\r\n        let input = InputWriter::spawn(Arc::clone(&session), req.endpoint.clone());\r\n\r\n        // The output log, with the spawning connection pre-attached as the\r\n        // controller (identity `None` = LOCAL, not a remote driver) so no chunk\r\n        // is missed before an explicit subscribe — and so a remote attach to a\r\n        // spawned-but-undriven session takes control silently (no loud displace\r\n        // of the local-spawner placeholder; REQ-RCVIEW-1).\r\n        let log = Arc::new(Mutex::new(OutputLog::new(\r\n            id,\r\n            self.log_cap_chunks,\r\n            req.endpoint.clone(),\r\n            (req.rows, req.cols),\r\n        )));\r\n        log.lock()\r\n            .unwrap()\r\n            .become_controller(Arc::clone(send), None, 0);\r\n\r\n        // Output drain → append under the log lock (fast: ring + viewer fan-out),\r\n        // then deliver to the controller OFF the lock with a bounded deadline\r\n        // (W1 / REQ-HAZARD-INJECT-CONTROL-COEXIST). The controller write is no\r\n        // longer inline under the log lock, so a backed-up controller can never\r\n        // wedge the session; a fully-stalled controller is detached after the\r\n        // deadline (bounded wedge, never permanent).\r\n        let log_drain = Arc::clone(&log);\r\n        let drain = session\r\n            .drain(move |chunk| {\r\n                // append() does the controller handoff inline now (one non-blocking\r\n                // try_send — b4) and returns Some(epoch) ONLY when the controller is\r\n                // stalled-past-deadline / gone and must be evicted. mark it gone OFF\r\n                // the first lock (a fresh lock, no self-deadlock). The drain never\r\n                // sleeps here, so a slow controller can't throttle the viewer fan-out.\r\n                let evict = recover_log(&log_drain).append(chunk);\r\n                if let Some(epoch) = evict {\r\n                    recover_log(&log_drain).mark_controller_gone(epoch);\r\n                }\r\n            })\r\n            .map_err(|e| format!(\"drain failed: {e}\"))?;\r\n\r\n        // Exit waiter → one `exit` frame when the child is reaped, then the dead\r\n        // session is removed from the table. Runs on its own thread; `wait`\r\n        // holds the child lock but `kill` uses a split killer.\r\n        let sessions_exit = Arc::clone(&self.sessions);\r\n        let log_exit = Arc::clone(&log);\r\n        let waiter = Arc::clone(&session);\r\n        thread::spawn(move || {\r\n            if let Ok(status) = waiter.wait() {\r\n                let ev = ExitEvent {\r\n                    session_id: id,\r\n                    code: Some(status.exit_code() as i32),\r\n                };\r\n                let frame = Envelope::new(\r\n                    KIND_EXIT,\r\n                    serde_json::to_value(ev).expect(\"ExitEvent serializes\"),\r\n                );\r\n                // Send to every attached sink — controller + all viewers (under\r\n                // the log lock).\r\n                let sinks = recover_log(&log_exit).all_sinks();\r\n                for sink in sinks {\r\n                    if let Ok(mut s) = sink.lock() {\r\n                        let _ = write_frame(&mut *s, &frame);\r\n                    }\r\n                }\r\n            }\r\n            // Reap-time unlatch (REQ-HAZARD-CONTROL-STAMP-LIFETIME): the child\r\n            // died, not the controller conn, so no detach path clears the perch\r\n            // — do it here so ONLINE+CONTROLLED / driven_by / viewer_count cannot\r\n            // outlive the session in info.json (or gossip a stale controller).\r\n            // [impl->REQ-HAZARD-CONTROL-STAMP-LIFETIME]\r\n            recover_log(&log_exit).stamp_reaped();\r\n            // Reap the dead session from the table.\r\n            recover(&sessions_exit).remove(&id);\r\n        });\r\n\r\n        // Layer C: if the spawn carried a translation binary, bring it up with the\r\n        // session — spawn the pure stdin→stdout filter + the inject worker that\r\n        // owns the atomic PTY apply. A spawn failure FAILS CLOSED to SPOOLING\r\n        // (logged, `None` → idle inbound spools, never raw-injected) rather than\r\n        // aborting the session — a missing binary costs idle delivery, never the\r\n        // operator their agent.\r\n        // C-1: the shared bounded-respawn give-up counter (starts at 0; the worker\r\n        // resets it on a healthy commit, the dispatch respawn path increments it).\r\n        let translation_respawns = Arc::new(AtomicU32::new(0));\r\n        let translation = req\r\n            .translation_binary\r\n            .as_deref()\r\n            .and_then(|argv| {\r\n                build_translation(\r\n                    argv,\r\n                    &req.endpoint,\r\n                    &input,\r\n                    Arc::clone(&translation_respawns),\r","truncated":true,"truncatedBy":"lines","totalLines":2780,"totalBytes":11196,"outputLines":215,"outputBytes":11196,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"    fn handle_conn(self: &Arc<Self>, conn: Stream) -> io::Result<()> {\n…\n        loop {\n…\n            match env.kind.as_str() {\n…\n            }\r\n        }\r\n\r\n        // Brain gone: detach as subscriber but leave the sessions running.\r\n        let sessions = recover(&self.sessions);\r\n        for id in &my_subs {\r\n            if let Some(h) = sessions.get(id) {\r\n                recover_log(&h.log).detach_if(&send);\r\n            }\r\n        }\r\n        drop(sessions);\r\n        // Same for net streams: the streams + their rings persist (D4b).\r\n        if let Some(host) = self.net.get() {\r\n            for id in &my_stream_subs {\r\n                host.detach_stream_sub(*id, &send);\r\n            }\r\n            // And presence: the liveness log + its ring persist (D4c).\r\n            if my_presence_sub {\r\n                host.detach_presence_sub(&send);\r\n            }\r\n        }\r\n        Ok(())\r\n    }\r\n\r\n    /// Spawn a child under a fresh PTY, register it, auto-subscribe the spawning\r\n    /// connection, start its output drain and exit waiter, and reply `spawned`.\r\n    /// Every hosted session gets its **own** drain + exit-waiter threads (KH\r\n    /// 7.4): a hung child blocks only its own threads — shell instances ride\r\n    /// exactly this isolation (one owner's hung shell binary stalls neither\r\n    /// another owner's delivery nor the broker's control dispatch).\r\n    // [impl->REQ-HAZARD-DAEMON-SCHED-NONBLOCKING]\r\n    fn dispatch_spawn(&self, env: Envelope, send: &SharedSend) -> Result<u64, String> {\r\n        let req: SpawnReq =\r\n            serde_json::from_value(env.payload).map_err(|e| format!(\"bad spawn payload: {e}\"))?;\r\n        // Single-flight WAKE (W4, REQ-SPAWN-COLLISION-GUARD-LIVE-DUP): the broker is the\r\n        // sole spawner post-W3, so its own spawn choke is the single-flight authority.\r\n        // Dedup a duplicate wake/resume for an endpoint that already has a live session\r\n        // OR a spawn in flight — closing the check-then-spawn TOCTOU that let one wake\r\n        // spawn two identical launch trees (perri's flynn dup: duplicate perch writers\r\n        // then stomped info.json, routing injects to a contended record). The claim +\r\n        // the live-session check are read together under one atomic critical section so\r\n        // a concurrent spawn either sees our claim or its registered session — never a\r\n        // gap; NO I/O under the lock (process_id reads a cached pid). An empty endpoint\r\n        // is an ad-hoc/legacy spawn (no id to dedup on) → never gated. `_wake_claim`\r\n        // holds the claim to fn end, releasing (RAII) after the session is table-visible\r\n        // or on any early error.\r\n        // [impl->REQ-SPAWN-COLLISION-GUARD-LIVE-DUP]\r\n        let _wake_claim: Option<WakeClaimGuard> = if req.endpoint.is_empty() {\r\n            None\r\n        } else {\r\n            let deadline = Instant::now() + WAKE_DEDUP_WAIT;\r\n            loop {\r\n                enum Gate<'a> {\r\n                    Claimed(WakeClaimGuard<'a>),\r\n                    AlreadyLive(u64, Option<u32>),\r\n                    Racing,\r\n                }\r\n                let gate = {\r\n                    let sessions = recover(&self.sessions);\r\n                    let mut inflight = recover(&self.wake_inflight);\r\n                    let live = sessions\r\n                        .iter()\r\n                        .find(|(_, h)| h.endpoint == req.endpoint)\r\n                        .map(|(sid, h)| (*sid, h.session.process_id()));\r\n                    match wake_gate_decision(\r\n                        live.is_some(),\r\n                        inflight.contains(&req.endpoint),\r\n                        Instant::now() >= deadline,\r\n                    ) {\r\n                        WakeGate::AlreadyLive => {\r\n                            let (sid, spid) = live.expect(\"live is Some on AlreadyLive\");\r\n                            Gate::AlreadyLive(sid, spid)\r\n                        }\r\n                        WakeGate::Racing => Gate::Racing,\r\n                        WakeGate::Claim => {\r\n                            inflight.insert(req.endpoint.clone());\r\n                            Gate::Claimed(WakeClaimGuard {\r\n                                set: &self.wake_inflight,\r\n                                endpoint: req.endpoint.clone(),\r\n                            })\r\n                        }\r\n                    }\r\n                };\r\n                match gate {\r\n                    Gate::Claimed(guard) => break Some(guard),\r\n                    Gate::AlreadyLive(sid, spid) => {\r\n                        eprintln!(\r\n                            \"SPAWN_DEDUP:{}: endpoint already has a live session {sid} — \\\r\n                             single-flight wake no-op ack [REQ-SPAWN-COLLISION-GUARD-LIVE-DUP]\",\r\n                            req.endpoint\r\n                        );\r\n                        let frame = Envelope::new(\r\n                            KIND_SPAWNED,\r\n                            serde_json::to_value(Spawned { session_id: sid, pid: spid })\r\n                                .expect(\"Spawned serializes\"),\r\n                        );\r\n                        send_frame(send, &frame);\r\n                        return Ok(sid);\r\n                    }\r\n                    Gate::Racing => thread::sleep(WAKE_DEDUP_POLL),\r\n                }\r\n            }\r\n        };\r\n        // REQ-HOST-RUN-2: spawn in the requested project cwd when carried;\r\n        // `None` inherits the broker's cwd (legacy/test + W1 bringup shortcut).\r\n        // Inject the manifest [env] vars (REQ-HAZARD-ENV-SUBST) on top of the\r\n        // inherited env — empty for a legacy/N-1 spawn (inherit only).\r\n        let session = PtySession::spawn_program_in_env(\r\n            &req.program,\r\n            &req.args,\r\n            SurfaceSize::new(req.rows, req.cols),\r\n            req.cwd.as_deref(),\r\n            req.env.iter().map(|(k, v)| (k.as_str(), v.as_str())),\r\n        )\r\n        .map_err(|e| format!(\"spawn failed: {e}\"))?;\r\n        let session = Arc::new(session);\r\n        let id = self.next_id.fetch_add(1, Ordering::Relaxed);\r\n        let pid = session.process_id();\r\n\r\n        // The session's lone PTY input-writer (P0): the SOLE caller of the\r\n        // blocking `write_input`. Every dispatch-side write enqueues here, so a\r\n        // paste burst parks only this thread — never the broker dispatch thread\r\n        // (REQ-HAZARD-PTY-INPUT-WRITER-WEDGE). The inject worker writes through it\r\n        // too, so the lone writer enforces the W2 inject-floor order.\r\n        let input = InputWriter::spawn(Arc::clone(&session), req.endpoint.clone());\r\n\r\n        // The output log, with the spawning connection pre-attached as the\r\n        // controller (identity `None` = LOCAL, not a remote driver) so no chunk\r\n        // is missed before an explicit subscribe — and so a remote attach to a\r\n        // spawned-but-undriven session takes control silently (no loud displace\r\n        // of the local-spawner placeholder; REQ-RCVIEW-1).\r\n        let log = Arc::new(Mutex::new(OutputLog::new(\r\n            id,\r\n            self.log_cap_chunks,\r\n            req.endpoint.clone(),\r\n            (req.rows, req.cols),\r\n        )));\r\n        log.lock()\r\n            .unwrap()\r\n            .become_controller(Arc::clone(send), None, 0);\r\n\r\n        // Output drain → append under the log lock (fast: ring + viewer fan-out),\r\n        // then deliver to the controller OFF the lock with a bounded deadline\r\n        // (W1 / REQ-HAZARD-INJECT-CONTROL-COEXIST). The controller write is no\r\n        // longer inline under the log lock, so a backed-up controller can never\r\n        // wedge the session; a fully-stalled controller is detached after the\r\n        // deadline (bounded wedge, never permanent).\r\n        let log_drain = Arc::clone(&log);\r\n        let drain = session\r\n            .drain(move |chunk| {\r\n                // append() does the controller handoff inline now (one non-blocking\r\n                // try_send — b4) and returns Some(epoch) ONLY when the controller is\r\n                // stalled-past-deadline / gone and must be evicted. mark it gone OFF\r\n                // the first lock (a fresh lock, no self-deadlock). The drain never\r\n                // sleeps here, so a slow controller can't throttle the viewer fan-out.\r\n                let evict = recover_log(&log_drain).append(chunk);\r\n                if let Some(epoch) = evict {\r\n                    recover_log(&log_drain).mark_controller_gone(epoch);\r\n                }\r\n            })\r\n            .map_err(|e| format!(\"drain failed: {e}\"))?;\r\n\r\n        // Exit waiter → one `exit` frame when the child is reaped, then the dead\r\n        // session is removed from the table. Runs on its own thread; `wait`\r\n        // holds the child lock but `kill` uses a split killer.\r\n        let sessions_exit = Arc::clone(&self.sessions);\r\n        let log_exit = Arc::clone(&log);\r\n        let waiter = Arc::clone(&session);\r\n        thread::spawn(move || {\r\n            if let Ok(status) = waiter.wait() {\r\n                let ev = ExitEvent {\r\n                    session_id: id,\r\n                    code: Some(status.exit_code() as i32),\r\n                };\r\n                let frame = Envelope::new(\r\n                    KIND_EXIT,\r\n                    serde_json::to_value(ev).expect(\"ExitEvent serializes\"),\r\n                );\r\n                // Send to every attached sink — controller + all viewers (under\r\n                // the log lock).\r\n                let sinks = recover_log(&log_exit).all_sinks();\r\n                for sink in sinks {\r\n                    if let Ok(mut s) = sink.lock() {\r\n                        let _ = write_frame(&mut *s, &frame);\r\n                    }\r\n                }\r\n            }\r\n            // Reap-time unlatch (REQ-HAZARD-CONTROL-STAMP-LIFETIME): the child\r\n            // died, not the controller conn, so no detach path clears the perch\r\n            // — do it here so ONLINE+CONTROLLED / driven_by / viewer_count cannot\r\n            // outlive the session in info.json (or gossip a stale controller).\r\n            // [impl->REQ-HAZARD-CONTROL-STAMP-LIFETIME]\r\n            recover_log(&log_exit).stamp_reaped();\r\n            // Reap the dead session from the table.\r\n            recover(&sessions_exit).remove(&id);\r\n        });\r\n\r\n        // Layer C: if the spawn carried a translation binary, bring it up with the\r\n        // session — spawn the pure stdin→stdout filter + the inject worker that\r\n        // owns the atomic PTY apply. A spawn failure FAILS CLOSED to SPOOLING\r\n        // (logged, `None` → idle inbound spools, never raw-injected) rather than\r\n        // aborting the session — a missing binary costs idle delivery, never the\r\n        // operator their agent.\r\n        // C-1: the shared bounded-respawn give-up counter (starts at 0; the worker\r\n        // resets it on a healthy commit, the dispatch respawn path increments it).\r\n        let translation_respawns = Arc::new(AtomicU32::new(0));\r\n        let translation = req\r\n            .translation_binary\r\n            .as_deref()\r\n            .and_then(|argv| {\r\n                build_translation(\r\n                    argv,\r\n                    &req.endpoint,\r\n                    &input,\r\n                    Arc::clone(&translation_respawns),\r\n…\n                )\n            });\n…\n    }","startLine":2750,"lineNumbers":[2750,null,2761,null,2767,null,2939,2940,2941,2942,2943,2944,2945,2946,2947,2948,2949,2950,2951,2952,2953,2954,2955,2956,2957,2958,2959,2960,2961,2962,2963,2964,2965,2966,2967,2968,2969,2970,2971,2972,2973,2974,2975,2976,2977,2978,2979,2980,2981,2982,2983,2984,2985,2986,2987,2988,2989,2990,2991,2992,2993,2994,2995,2996,2997,2998,2999,3000,3001,3002,3003,3004,3005,3006,3007,3008,3009,3010,3011,3012,3013,3014,3015,3016,3017,3018,3019,3020,3021,3022,3023,3024,3025,3026,3027,3028,3029,3030,3031,3032,3033,3034,3035,3036,3037,3038,3039,3040,3041,3042,3043,3044,3045,3046,3047,3048,3049,3050,3051,3052,3053,3054,3055,3056,3057,3058,3059,3060,3061,3062,3063,3064,3065,3066,3067,3068,3069,3070,3071,3072,3073,3074,3075,3076,3077,3078,3079,3080,3081,3082,3083,3084,3085,3086,3087,3088,3089,3090,3091,3092,3093,3094,3095,3096,3097,3098,3099,3100,3101,3102,3103,3104,3105,3106,3107,3108,3109,3110,3111,3112,3113,3114,3115,3116,3117,3118,3119,3120,3121,3122,3123,3124,3125,3126,3127,3128,3129,3130,3131,3132,3133,3134,3135,3136,3137,3138,3139,3140,3141,3142,3143,3144,3145,3146,3147,3148,3149,3150,3151,3152,3153,null,3155,3156,null,3184]},"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":5718,"totalBytes":11196,"outputLines":215,"outputBytes":11196,"shownRange":{"start":2939,"end":3153},"nextOffset":3154}}},"isError":false,"timestamp":1783657492696}}
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connection ID propagation implementation**\n\n<!-- -->"},{"type":"summary_text","text":"**Designing monotonic elapsed time and trace gating**\n\n<!-- -->"}]},{"id":"rs_0ec86a6c795d74b7016a5074245a048195a6eea1ba87f0c0b1","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUHQvJm3X59GTlrvehcjtetYzuoCW9FKVMiOBEZyso9Z7IJOPJgSkNCjKwL2rzhHM4RAS7X1kOypgSFtWIjYoc7G5S5odgjbdRl6i9y8eRMZtzR5xp4kS7tUGFPxNElX1xiKT4ol8RzZgy0xhqNKb7oIzDHG1n1ZqY-DILO-crCxsEgFETdxmreGMpjMdXRfv3p-pJ1-F0k2Xsi_tuEIcoVqCvAsn5F7y-YaPaqNenmQ4JNgKgj26Qhv64XbCAGTdN0LcEItirL3RcYADyp6tZgcUvc6I320shAYKnx6T8aKfiFVDVCcpFl-GwNe52NzMeD0LvpD65_IijXhzFokFxJ8Sfey8M67lvmzJvp0pJ2s1ZeOazAzA3HxnhSaT8_PPl4hDkI9zS8YTNcG-mrKihr_uZ3Y4tpbOB3OqIJtd-GA2TRi9ZMuelQP7GSUpEL-jWtKp0DvVHkUdKHkKoA_XBUqtGNw5yZ58C2-dY8LWnxGx-nl6o5qyLY6ySNr81pBdX5J7UoVmZoT6srn4OropypuCKnoJVM3um570fry_UI6h0hFd0geOlmv2KGOmxD1V_yhQKThh12Xnh_PffTVVtwRO6bE7YFpZqDhyxBfx_kd4unq7VFtcMyLI7m4eBugYu8Xw6tBKH50InMCD8Ahc4gKwIT48aOn5wyKM0I5werFS20GmLMLKir21iGTjnMfui6hWuK0UPblfIcpmOIK3D-rNjc8ZOrKAAaCUQh5tPpoUcLi7mShjeYuVhQryZFXtwI8OmQ8IET00WQSWfWCkQYOwLMVj_Bj-4v-oSIpbZ8kwFGBRBt1Q3NxkwDXOG9GZTp2x9akP4-v43Ed1lXKM9HQ2cH0vmLMLVTb7NLF-Qt07mL6qzaA-kgmEH2YcgQdPz5kkAkr0ZQCMxD_KVJ7i3w59YNhH7MZlnICXywaQ9GT8nsYc_r-B4CGkHDOAlFHhRBQKS0EnDRI5F3zxFHYkSHWzcSBXfrphsFTzoTMnUaKUP5YP0DVVCbn81v_OUy4DJ3X_wyWg0vhUgCLtdwMn4kD3_hr1ZpypCUjlGA509Zurib0KUIDYvvoqKxiW1PbJvpFV9kE0PyxMikUyiKwmKo-rYZF0fAYZ2XB3o8CxsdaOlTLvEwwXM65lPN1Iu2GwKVF9uAEdQEemxueE81xAtrXDHcbYgyae9gBxnSSKkCt9oAP-ZiZUmEiI3-qtY3Q8dhd5wC_krahUdXQcBsVvsX2pnnXF5qFfLkKXLgrocgeIwS60uaxPROrYajWLnktvsBs1TV0pwBbiHFQ4g7JmYUWiR_q2fmsrvjRg_chI7kdBknkwVRuzP7abHwSLRVlaswK5UBYNwp10t28kTD8Kuj9fz-PEXgHnEkMwysT8180OawgMtfyNxnm0QFWwh_uVRtbNx0vwgytjufSGBP9QRrAVCx94GZnfCTxSSPHq5emuEPGLvmYsB_a4Vp2zvqM1BOxURecxi3NnboguG6aiwU_o74oCWNQyymmbYSXeMS8L4-eE4YHZqseSn6x9kMpII4D7Se9fd3YyboTYHdTk58EGcbHsvepNnXiTgI2q_p3mj0iHaI5Mv42dY9hGYBgiCoNsgmNjlOzRiOW_8OuGuqtcXtd11ybpMtVNSkUkWPIFi5zfhyXbH6_YZEGQjMO_ZzUs5_A2dW85XkThBeR_3ZkCgH7n6QV6RsPOQ3Sxj_umVUR59RbqppVoiXxdF5_kJAjuMfJspnrO6WDkoaVt60RN0Ch_OG3jQJ69hYQyVhYBfOVk-nAGOCE8jFuRx5hAkL4EY2jyOVufL1lMpo27sScBtGO9BAuZUh1LnOETnVjJ9sll4omzZMZMY8mCkI95lpeSuCKA7lKcRPoDU3ERg5i0fJyuUprqjWWG7Qf8yIR2rth47EpuSPXTOHN3tgTjx8Ao75oaqyEcWzIHCJHtufGkNb_CrnbuszaUYJUihAfC6rAxw6pJ7_ZOxqhR-o2Scy3QfwMkQbQky_zayXuA_JM64IrpsnfVgmcAg4ugBxUBmTolg0J5BcsEWT3hIaGpHQLPjmtL2pn3lZXqBJGmRRjiE64yFHlLbxUBFDeayxQqP3az-_w8kbKOwHwNjAltKxA8FjQM3YsyxWCvb1S3chv4B9CQIeqcSFV9XyYGh06i7uCU2bt1ceyb2E42lmcoenJZynSiJRwhSTWrfM4jrJaa_RS3xck6uoCIHIltDo6KhmV9mB--hvqkVxhefBLWQ3Wia6BomYz-RLU7Ho5qk3rJeg5Xtq_sBwX39XetQx__wj_9Vp3MTZSVx4hbrg3G0ZXFuxM8pWcqVOeHOHCFcXZR0xzQy6zg8dtTslrZbkx88UPFIMATLGqI7W0wiIzbL1h8HRUkho4OJWeswg8n8OtGRfzGVYMsojxnC6FXZair-hnoOIoreKtDCvJnmd-7e_D98CSkOl4BJEqmgV2pquKyF0Sd2Kmf2gPLwmwKpB7v3VToA9lVAg9iIRr874D4RNt6zBCpVml74QpILMNJRHGZA1TJmwrS9XVdrRN6IimfSlIXq_9UzJU7Rfts1paMxSiTzFMco2ibSeoQaBzwuldsOf_7tpHmZupzRhRP3oo1HrtUP-TNWD9-idio6H-C6eNPe8FNjgQLb49PoRcGvrqi_btbuEiwjaGE26dr4397brN2aNZ9GW_BnLc86E4-65JoTFU_5-Y8lVKiacuiUCzY6V3E_Bj8p_6TZi4CEymF3mq5SygGZcqbL7bKp44qfjuIYiO_b8L2EB_fSkgIHOWa6GdRyS_M_LSW7AsyFkCGiIHVDMNvDOq4PS74_gO-yZCS2djACSeNu_VkuMh2zIXiK9zKz8sAJYhoFCDkPKe6JdohRaBgByVRBMhJ0rKQ2yWDZnrnH_f-1ImIWBUXNqx0_k-7TXw8Ne9Uez9SZWR2w_hoknvlE_TIXgg0MSj0sTWG87-QjS7TbBx4J--a0If1t5bWaN4yoKN1I-2twRTMLK3Q6tiKLh9_5G2IdfN95CRDauE66n5QmSKY4yzgaZwfDPbAiEv673ltGfgtHFHYl8Qk8RmHtyu56laCRYDGZ_bqMQo9qao7yNWmRBFg9CuoTatSkNwQ5Cs1WBuK2eTEcKVeI69RX13Rkcv1JXglK5DZdgnXjDzA4BiFvnkoCvokguCedn_fbS4L0M2UDyC9I8Nxm6ZOjt91PNtzgSqCOeTornftH6cRAcsxsh4XDh1T5hRI4uGJ8bOtbSWW6H8-EzyAq1VpYZrqTDH5Tb3eCx2YhKLoXCKA78_4z0X4cTJXD70MudzF8piMrvn-BKWbKbGvjDMrQAlMsYDho0gx8lMhzrMDg3-sSuMrRkeUkDVdH95C_dOGJK33CBgVqaDzruYNLkGe8VZ3raJSOuFVEw7rd2Eg_4-whdNGU9TRBMQHhOjSGy40p1jkZ4L7F_Dq07NZG_wp23MClhd6CuYeaes9EJyTJTht6fbpQEunOWVCyfoNzf6CnWBlo6JhFPMSHDj1ABE1Nw3vFs_h1I8llIxIz-enKWff9qOEuVRNUjYLY2KpX2d6EEyumPKQNyahRyxUvBrBVmcDPycb3rdm1TNt-FXlktVK7uHD8hvWvPpqQw==","summary":[{"type":"summary_text","text":"**Designing monotonic timing helpers**\n\n<!-- -->"},{"type":"summary_text","text":"**Clarifying byte length tracking in frames**\n\n<!-- -->"}]},{"id":"fc_0ec86a6c795d74b7016a50742f185081959daa3965e909f805","type":"function_call","status":"completed","arguments":"{\"i\":\"Locating controller message definition\",\"pattern\":\"enum CtrlMsg|CtrlMsg::\",\"path\":\"spt-core/crates/spt-daemon/src/broker.rs\",\"selector\":null,\"case\":true,\"gitignore\":true,\"skip\":null}","call_id":"call_HtvpjQ3GqZOekAL4qjVoiQ3y","name":"grep"}]},"duration":26580.154999999795,"ttft":1152.661100000143,"contextSnapshot":{"promptTokens":69860,"nonMessageTokens":26406}}}
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{"type":"message","id":"47f2b999","parentId":"a3c18fa5","timestamp":"2026-07-10T04:25:19.340Z","message":{"role":"toolResult","toolCallId":"call_HtvpjQ3GqZOekAL4qjVoiQ3y|fc_0ec86a6c795d74b7016a50742f185081959daa3965e909f805","toolName":"grep","content":[{"type":"text","text":"[spt-core/crates/spt-daemon/src/broker.rs#1F25]\n 825:        let result = if let Some(c) = self.controller.as_mut() {\n*826:            match c.tx.try_send(CtrlMsg::Output(seq, frame)) {\n 827:                Ok(()) => {\n 828:                    c.last_ok = now;\n 829:                    None\n...\n 1171:                    let frame = displaced_envelope(self.session_id, by.as_deref().unwrap_or(\"\"));\n*1172:                    let _ = old.tx.try_send(CtrlMsg::Control(frame));\n 1173:                }\n 1174:                self.become_controller(sub, by, from_seq);\n 1175:                SubscribeOutcome::TookControl\n...\n 1368:/// does NOT move the resume cursor.\n*1369:enum CtrlMsg {\n 1370:    Output(u64, Envelope),\n 1371:    Control(Envelope),\n 1372:}\n...\n 1467:        let (frame, seq) = match &msg {\n*1468:            CtrlMsg::Output(seq, frame) => (frame, Some(*seq)),\n*1469:            CtrlMsg::Control(frame) => (frame, None),\n 1470:        };\n 1471:        // NO epoch gate on the live path (P1c): new output only ever flows to the\n 1472:        // CURRENT controller's channel (the drain clones `self.controller.tx`), so"}],"details":{"scopePath":"spt-core/crates/spt-daemon/src/broker.rs","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs","cwd":"C:\\Users\\decid\\Documents\\projects","matchCount":5,"fileCount":1,"files":["spt-core/crates/spt-daemon/src/broker.rs"],"fileMatches":[{"path":"spt-core/crates/spt-daemon/src/broker.rs","count":5}],"truncated":false,"displayContent":"  825│        let result = if let Some(c) = self.controller.as_mut() {\n *826│            match c.tx.try_send(CtrlMsg::Output(seq, frame)) {\n  827│                Ok(()) => {\n  828│                    c.last_ok = now;\n  829│                    None\n     │...\n 1171│                    let frame = displaced_envelope(self.session_id, by.as_deref().unwrap_or(\"\"));\n*1172│                    let _ = old.tx.try_send(CtrlMsg::Control(frame));\n 1173│                }\n 1174│                self.become_controller(sub, by, from_seq);\n 1175│                SubscribeOutcome::TookControl\n     │...\n 1368│/// does NOT move the resume cursor.\n*1369│enum CtrlMsg {\n 1370│    Output(u64, Envelope),\n 1371│    Control(Envelope),\n 1372│}\n     │...\n 1467│        let (frame, seq) = match &msg {\n*1468│            CtrlMsg::Output(seq, frame) => (frame, Some(*seq)),\n*1469│            CtrlMsg::Control(frame) => (frame, None),\n 1470│        };\n 1471│        // NO epoch gate on the live path (P1c): new output only ever flows to the\n 1472│        // CURRENT controller's channel (the drain clones `self.controller.tx`), so"},"isError":false,"timestamp":1783657519339}}
{"type":"message","id":"7937ae2b","parentId":"47f2b999","timestamp":"2026-07-10T04:25:30.524Z","message":{"role":"assistant","content":[{"type":"thinking","thinking":"**Investigating frame payload serialization**\n\n<!-- -->"},{"type":"toolCall","id":"call_OqoMS1PXfwIaSQHTmJy9Jq5H|fc_0ec86a6c795d74b7016a50743a41308195a11507b23a7fa473","name":"read","arguments":{"i":"Inspecting frame encoding size","path":"spt-core/crates/spt-daemon/src/codec.rs","selector":"1-90"}}],"api":"openai-codex-responses","provider":"openai-codex","model":"gpt-5.6-sol","usage":{"input":2090,"output":183,"cacheRead":69120,"cacheWrite":0,"totalTokens":71393,"reasoningTokens":138,"cost":{"input":0.010450000000000001,"output":0.00549,"cacheRead":0.03456,"cacheWrite":0,"total":0.0505}},"stopReason":"toolUse","timestamp":1783657519355,"responseId":"resp_0ec86a6c795d74b7016a50742f8e408195b483a5b46d2b02b1","providerPayload":{"type":"openaiResponsesHistory","provider":"openai-codex","dt":true,"items":[{"id":"rs_0ec86a6c795d74b7016a50743091d081958f95e6b58acc0c40","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUHQ6PuxlI3GqoTuoITffPVKwgpRc59xRUgCXmjznF_RGaijhKD2sC7VFp__1LbZIw46jKPVVeNFj_M2lUiQzCr-ul6XBdH4C3HWRZY5TLNIvn4EvIW1UXMa_SI0dIRBBVxYZ2fsRSGGS-nSj40oN8ysVHK2keqlQlmVqfdBWj6uAO7zCJr94p0xRz2a9bnZFF3w_3KMmxTnl91dcRE0t4f8BNIwL3R921wb-OlyPfZ9zR4kUJY4c5p4hJG0kuODqzlTcAp8jcJFOn9CGvruZzJVPKfBu02-JinrL7eoFDQ6dmS5Js64-qV0vQ4BNWkvH5b7Ka44td2tao8YRtTkBBDHBr2i1kTfs83wzDnTVfpK0qm4ULOt1XT6EnReQltjFLSWiZLy3lI6118LVMeHChrRinf81Co0H46HqwVMYxPBcV95QSJNsBDXTyUsCSEoE3Q-BHcJcq2FX6v5m0tHrO5Cxqaom3QvN8fLqSMLJvCExmugnrP75qQeFko0C6iC9DorRECByV_uKsLkhxSbeZsUbxSMa2M7xF33_SBOd-VVce6tP6e9aXAUcKkGQADujQUIf-RGd2aVsYnKQpDgQJJ9LoqcN6lkvXjlM-XUEbUzkg1ISf3F-CcCUPI6w7KPIFKtfjn8ElYkv-bkZkMfiPLyoHQ4qrpIHlODuVl_Nf_YxpDSZLXFe0W5ez5uGuWptOoVYc6hPrezHqCAYcqZgm7W2gMbv5DnPnZXOjRPQyQSm41Q_Gw8DeeC2nmJKw2MU613I3fjuetSkAKhX60TGYUdIjO8RI11fw37qslFU3TkOus-UM731tpItbkH22biR5cDC7wQSwRDuZ0Jql-ZMkrtoJqcj6tehmitLiPEd-q6alFHvHik1b5w2VNaaWc6z8cdPZQaF8XYuwF7sD1_sRTitt5QGU4GwEUo6y_PF1gfikjGrb_rxNMSOH0w1eaCJmVxmI7-jH_7qPGLi3TPFCA8WLpU67EjZ786egV_ssKYBjRMxYNGrau3pesINk_InW1al8iPKHOVhLKllgZ77rg3pG34ab9NziSncsh0xGLPmCn-nmQfaQDbPSIbMsI0dQ526p2hB20-_C2MigyQsbVfrtEe3ligWgw4loWcXcpmare6g2mwYU22rUjOcKLN-GccXX0Wtrx5PLZDbW3gHbifPBu1d2gk_b6XWN9dQXl1IQTQZWQavGA0Cll-YietlqI1OOJJOPhgN2rTyUT26i764xd3dcTlMO0E5kehln314PFIPBAGNNQaxp0fVwjfaJ4BFzjIpxoWrkJJ8Ln7EqR8q2S5r5YcgH0iOiKzAlMLhBFs5nrA66YK47uHTYxPAxNrlWujoVDTyaadOnE3RTFTMgmYuzrH0Q2PKzEeBXpbgsU8z0ZBSpA9GVRXJpM4Hkm-QOTAaNfYBSTxsyZdpsx9ZHTunoatO8-pVzRvWS9Lrk8-l1osrW2ZoCZyEEFX8Mwvr6zCLVN256yUM_zSpulMKphekmTi7o5IhpnoeSzDuedm5nFmr6LIM585oWNVfl93fAz-wIrDWZkMp_9u-2VepZug9pTKxacyFmdyue1EpAZK-TEqGlbU-RrUYobjqitoJV-Z565aSVkvovTSltolQgRhV9h1DF16s9DVFV0WWJnUj252to4BhDIIrjzq9qU79l5kVtCTA-9ZHDWi7GpgH6aNpuZ_m6n5tkix3OKuX5WunTttvJM38OujZQDzovyf2KAlqUFGEFP2L070tyx0m98hJ9mIFr_cszj_5kkWvWiQ=","summary":[{"type":"summary_text","text":"**Investigating frame payload serialization**\n\n<!-- -->"}]},{"id":"fc_0ec86a6c795d74b7016a50743a41308195a11507b23a7fa473","type":"function_call","status":"completed","arguments":"{\"i\":\"Inspecting frame encoding size\",\"path\":\"spt-core/crates/spt-daemon/src/codec.rs\",\"selector\":\"1-90\"}","call_id":"call_OqoMS1PXfwIaSQHTmJy9Jq5H","name":"read"}]},"duration":11168.601900000125,"ttft":1199.6175999999978,"contextSnapshot":{"promptTokens":71210,"nonMessageTokens":26406}}}
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{"type":"message","id":"c0215f52","parentId":"17685215","timestamp":"2026-07-10T04:25:30.529Z","message":{"role":"toolResult","toolCallId":"call_OqoMS1PXfwIaSQHTmJy9Jq5H|fc_0ec86a6c795d74b7016a50743a41308195a11507b23a7fa473","toolName":"read","content":[{"type":"text","text":"[codec.rs#4DCF]\n1://! Length-prefixed framing for the broker↔brain IPC.\n2://!\n3://! Frame: a 4-byte big-endian length prefix, then that many bytes of UTF-8\n4://! JSON encoding one [`Envelope`]. Same shape as `spt-msg::wire` (ADR-0001\n5://! framing) but generic over any [`Read`]/[`Write`] — the IPC carrier is a\n6://! local socket (named pipe / UDS), not a `TcpStream`, and tests exercise it\n7://! over in-memory buffers and socket pairs.\n8://!\n9://! The frame *codec* is deliberately transport-agnostic: it is the byte-level\n10://! contract, while [`crate::transport`] owns the OS-specific connection.\n11:// [impl->REQ-DAEMON-2]\n12:\n13:use std::io::{self, Read, Write};\n14:\n15:use crate::frame::Envelope;\n16:\n17:/// Maximum framed message size accepted (16 MiB) — guards a garbage/hostile\n18:/// length prefix from forcing a huge allocation. Matches `spt-msg::wire`.\n19:const MAX_FRAME_BYTES: usize = 16 * 1024 * 1024;\n20:\n21:/// Serialize and write one [`Envelope`] as a length-prefixed JSON frame.\n22:pub fn write_frame<W: Write>(w: &mut W, env: &Envelope) -> io::Result<()> {\n23:    let body =\n24:        serde_json::to_vec(env).map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;\n25:    if body.len() > MAX_FRAME_BYTES {\n26:        return Err(io::Error::new(\n27:            io::ErrorKind::InvalidData,\n28:            format!(\"frame too large: {} bytes\", body.len()),\n29:        ));\n30:    }\n31:    let len = body.len() as u32;\n32:    w.write_all(&len.to_be_bytes())?;\n33:    w.write_all(&body)?;\n34:    w.flush()?;\n35:    Ok(())\n36:}\n37:\n38:/// Read one length-prefixed JSON frame and decode it into an [`Envelope`].\n39:/// Rejects an oversized length prefix before allocating. A clean EOF on the\n40:/// length prefix surfaces as [`io::ErrorKind::UnexpectedEof`] (peer hung up).\n41:pub fn read_frame<R: Read>(r: &mut R) -> io::Result<Envelope> {\n42:    let mut len_buf = [0u8; 4];\n43:    r.read_exact(&mut len_buf)?;\n44:    let len = u32::from_be_bytes(len_buf) as usize;\n45:    if len > MAX_FRAME_BYTES {\n46:        return Err(io::Error::new(\n47:            io::ErrorKind::InvalidData,\n48:            format!(\"frame too large: {len} bytes\"),\n49:        ));\n50:    }\n51:    let mut buf = vec![0u8; len];\n52:    r.read_exact(&mut buf)?;\n53:    serde_json::from_slice(&buf).map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))\n54:}\n55:\n56:#[cfg(test)]\n57:mod tests {\n58:    use super::*;\n59:    use crate::frame::IPC_PROTOCOL_VERSION;\n60:    use serde_json::json;\n61:\n62:    // [unit->REQ-DAEMON-2] a frame round-trips byte-exact through the codec.\n63:    #[test]\n64:    fn frame_round_trips_through_buffer() {\n65:        let env = Envelope::new(\"attach\", json!({ \"session\": \"s1\", \"n\": 7 }));\n66:        let mut buf: Vec<u8> = Vec::new();\n67:        write_frame(&mut buf, &env).unwrap();\n68:\n69:        let mut cursor = io::Cursor::new(buf);\n70:        let got = read_frame(&mut cursor).unwrap();\n71:        assert_eq!(got.protocol_version, IPC_PROTOCOL_VERSION);\n72:        assert_eq!(got.kind, \"attach\");\n73:        assert_eq!(got.payload, json!({ \"session\": \"s1\", \"n\": 7 }));\n74:    }\n75:\n76:    // [unit->REQ-DAEMON-2] multiple frames stream back-to-back without bleed.\n77:    #[test]\n78:    fn back_to_back_frames_decode_independently() {\n79:        let mut buf: Vec<u8> = Vec::new();\n80:        write_frame(&mut buf, &Envelope::new(\"a\", json!(1))).unwrap();\n81:        write_frame(&mut buf, &Envelope::new(\"b\", json!(2))).unwrap();\n82:\n83:        let mut cursor = io::Cursor::new(buf);\n84:        assert_eq!(read_frame(&mut cursor).unwrap().kind, \"a\");\n85:        assert_eq!(read_frame(&mut cursor).unwrap().kind, \"b\");\n86:    }\n87:\n88:    // [unit->REQ-DAEMON-2] an oversized length prefix is rejected, not allocated.\n89:    #[test]\n90:    fn oversized_prefix_rejected() {\n91:        let bogus = (32u32 * 1024 * 1024).to_be_bytes();\n92:        let mut cursor = io::Cursor::new(bogus.to_vec());\n93:        let err = read_frame(&mut cursor).unwrap_err();\n…\n95:    }\n96:}\n\n[Showing lines 1-93 of 97. Use :94 to continue]"}],"details":{"truncation":{"content":"//! Length-prefixed framing for the broker↔brain IPC.\r\n//!\r\n//! Frame: a 4-byte big-endian length prefix, then that many bytes of UTF-8\r\n//! JSON encoding one [`Envelope`]. Same shape as `spt-msg::wire` (ADR-0001\r\n//! framing) but generic over any [`Read`]/[`Write`] — the IPC carrier is a\r\n//! local socket (named pipe / UDS), not a `TcpStream`, and tests exercise it\r\n//! over in-memory buffers and socket pairs.\r\n//!\r\n//! The frame *codec* is deliberately transport-agnostic: it is the byte-level\r\n//! contract, while [`crate::transport`] owns the OS-specific connection.\r\n// [impl->REQ-DAEMON-2]\r\n\r\nuse std::io::{self, Read, Write};\r\n\r\nuse crate::frame::Envelope;\r\n\r\n/// Maximum framed message size accepted (16 MiB) — guards a garbage/hostile\r\n/// length prefix from forcing a huge allocation. Matches `spt-msg::wire`.\r\nconst MAX_FRAME_BYTES: usize = 16 * 1024 * 1024;\r\n\r\n/// Serialize and write one [`Envelope`] as a length-prefixed JSON frame.\r\npub fn write_frame<W: Write>(w: &mut W, env: &Envelope) -> io::Result<()> {\r\n    let body =\r\n        serde_json::to_vec(env).map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;\r\n    if body.len() > MAX_FRAME_BYTES {\r\n        return Err(io::Error::new(\r\n            io::ErrorKind::InvalidData,\r\n            format!(\"frame too large: {} bytes\", body.len()),\r\n        ));\r\n    }\r\n    let len = body.len() as u32;\r\n    w.write_all(&len.to_be_bytes())?;\r\n    w.write_all(&body)?;\r\n    w.flush()?;\r\n    Ok(())\r\n}\r\n\r\n/// Read one length-prefixed JSON frame and decode it into an [`Envelope`].\r\n/// Rejects an oversized length prefix before allocating. A clean EOF on the\r\n/// length prefix surfaces as [`io::ErrorKind::UnexpectedEof`] (peer hung up).\r\npub fn read_frame<R: Read>(r: &mut R) -> io::Result<Envelope> {\r\n    let mut len_buf = [0u8; 4];\r\n    r.read_exact(&mut len_buf)?;\r\n    let len = u32::from_be_bytes(len_buf) as usize;\r\n    if len > MAX_FRAME_BYTES {\r\n        return Err(io::Error::new(\r\n            io::ErrorKind::InvalidData,\r\n            format!(\"frame too large: {len} bytes\"),\r\n        ));\r\n    }\r\n    let mut buf = vec![0u8; len];\r\n    r.read_exact(&mut buf)?;\r\n    serde_json::from_slice(&buf).map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))\r\n}\r\n\r\n#[cfg(test)]\r\nmod tests {\r\n    use super::*;\r\n    use crate::frame::IPC_PROTOCOL_VERSION;\r\n    use serde_json::json;\r\n\r\n    // [unit->REQ-DAEMON-2] a frame round-trips byte-exact through the codec.\r\n    #[test]\r\n    fn frame_round_trips_through_buffer() {\r\n        let env = Envelope::new(\"attach\", json!({ \"session\": \"s1\", \"n\": 7 }));\r\n        let mut buf: Vec<u8> = Vec::new();\r\n        write_frame(&mut buf, &env).unwrap();\r\n\r\n        let mut cursor = io::Cursor::new(buf);\r\n        let got = read_frame(&mut cursor).unwrap();\r\n        assert_eq!(got.protocol_version, IPC_PROTOCOL_VERSION);\r\n        assert_eq!(got.kind, \"attach\");\r\n        assert_eq!(got.payload, json!({ \"session\": \"s1\", \"n\": 7 }));\r\n    }\r\n\r\n    // [unit->REQ-DAEMON-2] multiple frames stream back-to-back without bleed.\r\n    #[test]\r\n    fn back_to_back_frames_decode_independently() {\r\n        let mut buf: Vec<u8> = Vec::new();\r\n        write_frame(&mut buf, &Envelope::new(\"a\", json!(1))).unwrap();\r\n        write_frame(&mut buf, &Envelope::new(\"b\", json!(2))).unwrap();\r\n\r\n        let mut cursor = io::Cursor::new(buf);\r\n        assert_eq!(read_frame(&mut cursor).unwrap().kind, \"a\");\r\n        assert_eq!(read_frame(&mut cursor).unwrap().kind, \"b\");\r\n    }\r\n\r\n    // [unit->REQ-DAEMON-2] an oversized length prefix is rejected, not allocated.\r\n    #[test]\r\n    fn oversized_prefix_rejected() {\r\n        let bogus = (32u32 * 1024 * 1024).to_be_bytes();\r\n        let mut cursor = io::Cursor::new(bogus.to_vec());\r\n        let err = read_frame(&mut cursor).unwrap_err();\r","truncated":true,"truncatedBy":"lines","totalLines":97,"totalBytes":3790,"outputLines":93,"outputBytes":3790,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"//! Length-prefixed framing for the broker↔brain IPC.\r\n//!\r\n//! Frame: a 4-byte big-endian length prefix, then that many bytes of UTF-8\r\n//! JSON encoding one [`Envelope`]. Same shape as `spt-msg::wire` (ADR-0001\r\n//! framing) but generic over any [`Read`]/[`Write`] — the IPC carrier is a\r\n//! local socket (named pipe / UDS), not a `TcpStream`, and tests exercise it\r\n//! over in-memory buffers and socket pairs.\r\n//!\r\n//! The frame *codec* is deliberately transport-agnostic: it is the byte-level\r\n//! contract, while [`crate::transport`] owns the OS-specific connection.\r\n// [impl->REQ-DAEMON-2]\r\n\r\nuse std::io::{self, Read, Write};\r\n\r\nuse crate::frame::Envelope;\r\n\r\n/// Maximum framed message size accepted (16 MiB) — guards a garbage/hostile\r\n/// length prefix from forcing a huge allocation. Matches `spt-msg::wire`.\r\nconst MAX_FRAME_BYTES: usize = 16 * 1024 * 1024;\r\n\r\n/// Serialize and write one [`Envelope`] as a length-prefixed JSON frame.\r\npub fn write_frame<W: Write>(w: &mut W, env: &Envelope) -> io::Result<()> {\r\n    let body =\r\n        serde_json::to_vec(env).map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;\r\n    if body.len() > MAX_FRAME_BYTES {\r\n        return Err(io::Error::new(\r\n            io::ErrorKind::InvalidData,\r\n            format!(\"frame too large: {} bytes\", body.len()),\r\n        ));\r\n    }\r\n    let len = body.len() as u32;\r\n    w.write_all(&len.to_be_bytes())?;\r\n    w.write_all(&body)?;\r\n    w.flush()?;\r\n    Ok(())\r\n}\r\n\r\n/// Read one length-prefixed JSON frame and decode it into an [`Envelope`].\r\n/// Rejects an oversized length prefix before allocating. A clean EOF on the\r\n/// length prefix surfaces as [`io::ErrorKind::UnexpectedEof`] (peer hung up).\r\npub fn read_frame<R: Read>(r: &mut R) -> io::Result<Envelope> {\r\n    let mut len_buf = [0u8; 4];\r\n    r.read_exact(&mut len_buf)?;\r\n    let len = u32::from_be_bytes(len_buf) as usize;\r\n    if len > MAX_FRAME_BYTES {\r\n        return Err(io::Error::new(\r\n            io::ErrorKind::InvalidData,\r\n            format!(\"frame too large: {len} bytes\"),\r\n        ));\r\n    }\r\n    let mut buf = vec![0u8; len];\r\n    r.read_exact(&mut buf)?;\r\n    serde_json::from_slice(&buf).map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))\r\n}\r\n\r\n#[cfg(test)]\r\nmod tests {\r\n    use super::*;\r\n    use crate::frame::IPC_PROTOCOL_VERSION;\r\n    use serde_json::json;\r\n\r\n    // [unit->REQ-DAEMON-2] a frame round-trips byte-exact through the codec.\r\n    #[test]\r\n    fn frame_round_trips_through_buffer() {\r\n        let env = Envelope::new(\"attach\", json!({ \"session\": \"s1\", \"n\": 7 }));\r\n        let mut buf: Vec<u8> = Vec::new();\r\n        write_frame(&mut buf, &env).unwrap();\r\n\r\n        let mut cursor = io::Cursor::new(buf);\r\n        let got = read_frame(&mut cursor).unwrap();\r\n        assert_eq!(got.protocol_version, IPC_PROTOCOL_VERSION);\r\n        assert_eq!(got.kind, \"attach\");\r\n        assert_eq!(got.payload, json!({ \"session\": \"s1\", \"n\": 7 }));\r\n    }\r\n\r\n    // [unit->REQ-DAEMON-2] multiple frames stream back-to-back without bleed.\r\n    #[test]\r\n    fn back_to_back_frames_decode_independently() {\r\n        let mut buf: Vec<u8> = Vec::new();\r\n        write_frame(&mut buf, &Envelope::new(\"a\", json!(1))).unwrap();\r\n        write_frame(&mut buf, &Envelope::new(\"b\", json!(2))).unwrap();\r\n\r\n        let mut cursor = io::Cursor::new(buf);\r\n        assert_eq!(read_frame(&mut cursor).unwrap().kind, \"a\");\r\n        assert_eq!(read_frame(&mut cursor).unwrap().kind, \"b\");\r\n    }\r\n\r\n    // [unit->REQ-DAEMON-2] an oversized length prefix is rejected, not allocated.\r\n    #[test]\r\n    fn oversized_prefix_rejected() {\r\n        let bogus = (32u32 * 1024 * 1024).to_be_bytes();\r\n        let mut cursor = io::Cursor::new(bogus.to_vec());\r\n        let err = read_frame(&mut cursor).unwrap_err();\r\n…\n    }\n}","startLine":1,"lineNumbers":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,null,95,96]},"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\codec.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":97,"totalBytes":3790,"outputLines":93,"outputBytes":3790,"shownRange":{"start":1,"end":93},"nextOffset":94}}},"isError":false,"timestamp":1783657530529}}
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{"type":"message","id":"8cd95c99","parentId":"a2effafd","timestamp":"2026-07-10T04:25:37.135Z","message":{"role":"toolResult","toolCallId":"call_hdS7w8jqBpMRG61kau92xWzp|fc_0ec86a6c795d74b7016a507440062c8195b80cd3961805c57a","toolName":"grep","content":[{"type":"text","text":"[spt-core/crates/spt-daemon/src/broker.rs#1F25]\n 1572:/// bytes to write (v0.13.0 P0, REQ-HAZARD-PTY-INPUT-WRITER-WEDGE).\n*1573:type InputRecord = Vec<u8>;\n 1574:\n 1575:/// The per-session PTY input FIFO depth (records). Sized for a generous paste —\n 1576:/// a wedged harness fills this and then DROPS, never blocking the dispatch\n...\n 1607:    /// queue (a genuinely wedged harness) DROPS, it never blocks.\n*1608:    tx: SyncSender<InputRecord>,\n 1609:    /// True while the FIFO is saturated and input is being dropped; cleared on\n 1610:    /// the next accepted enqueue (heal-on-resume). Mirrored to the perch's\n 1611:    /// `input_backpressure` so the operator sees the drop.\n...\n 1624:    fn spawn(session: Arc<PtySession>, endpoint: String) -> Arc<InputWriter> {\n*1625:        let (tx, rx) = sync_channel::<InputRecord>(input_queue_depth());\n 1626:        let writer = thread::spawn(move || input_writer(session, rx));\n 1627:        Arc::new(InputWriter {\n 1628:            tx,\n...\n 1640:    // [impl->REQ-HAZARD-PTY-INPUT-WRITER-WEDGE]\n*1641:    fn enqueue(&self, bytes: InputRecord) -> bool {\n 1642:        match self.tx.try_send(bytes) {\n 1643:            Ok(()) => {\n 1644:                // Heal: input is flowing again — clear a prior backpressure stamp.\n...\n 1679:/// when the last `tx` clone drops at session teardown.\n*1680:fn input_writer(session: Arc<PtySession>, rx: Receiver<InputRecord>) {\n 1681:    while let Ok(bytes) = rx.recv() {\n 1682:        let _ = session.write_input(&bytes);\n 1683:    }"}],"details":{"scopePath":"spt-core/crates/spt-daemon/src/broker.rs","searchPath":"C:/Users/decid/Documents/projects/spt-core/crates/spt-daemon/src/broker.rs","cwd":"C:\\Users\\decid\\Documents\\projects","matchCount":5,"fileCount":1,"files":["spt-core/crates/spt-daemon/src/broker.rs"],"fileMatches":[{"path":"spt-core/crates/spt-daemon/src/broker.rs","count":5}],"truncated":false,"displayContent":" 1572│/// bytes to write (v0.13.0 P0, REQ-HAZARD-PTY-INPUT-WRITER-WEDGE).\n*1573│type InputRecord = Vec<u8>;\n 1574│\n 1575│/// The per-session PTY input FIFO depth (records). Sized for a generous paste —\n 1576│/// a wedged harness fills this and then DROPS, never blocking the dispatch\n     │...\n 1607│    /// queue (a genuinely wedged harness) DROPS, it never blocks.\n*1608│    tx: SyncSender<InputRecord>,\n 1609│    /// True while the FIFO is saturated and input is being dropped; cleared on\n 1610│    /// the next accepted enqueue (heal-on-resume). Mirrored to the perch's\n 1611│    /// `input_backpressure` so the operator sees the drop.\n     │...\n 1624│    fn spawn(session: Arc<PtySession>, endpoint: String) -> Arc<InputWriter> {\n*1625│        let (tx, rx) = sync_channel::<InputRecord>(input_queue_depth());\n 1626│        let writer = thread::spawn(move || input_writer(session, rx));\n 1627│        Arc::new(InputWriter {\n 1628│            tx,\n     │...\n 1640│    // [impl->REQ-HAZARD-PTY-INPUT-WRITER-WEDGE]\n*1641│    fn enqueue(&self, bytes: InputRecord) -> bool {\n 1642│        match self.tx.try_send(bytes) {\n 1643│            Ok(()) => {\n 1644│                // Heal: input is flowing again — clear a prior backpressure stamp.\n     │...\n 1679│/// when the last `tx` clone drops at session teardown.\n*1680│fn input_writer(session: Arc<PtySession>, rx: Receiver<InputRecord>) {\n 1681│    while let Ok(bytes) = rx.recv() {\n 1682│        let _ = session.write_input(&bytes);\n 1683│    }"},"isError":false,"timestamp":1783657537135}}
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{"type":"custom","customType":"tool_execution_start","data":{"toolCallId":"call_DmU0MHqCTVsG3vgbILlVx9Yy|fc_0ec86a6c795d74b7016a5074554adc8195a91dcdecc600a468","toolName":"read","startedAt":"2026-07-10T04:25:57.377Z","args":{"path":"spt-core/crates/spt-daemon/src/broker.rs"},"intent":"Reading broker construction state"},"id":"1bc447da","parentId":"fa172c2f","timestamp":"2026-07-10T04:25:57.377Z"}
{"type":"message","id":"5ca20c1e","parentId":"1bc447da","timestamp":"2026-07-10T04:25:57.451Z","message":{"role":"toolResult","toolCallId":"call_UysLzLHXtS4bSCyzfTjDnQa9|fc_0ec86a6c795d74b7016a5074554aac81958333ae40c938aa02","toolName":"read","content":[{"type":"text","text":"[broker.rs#1F25]\n4621:    fn advance_delivered_is_monotonic() {\n…\n4624:        assert_eq!(dt.load(Ordering::Acquire), 1, \"seq 0 -> cursor 1\");\n4625:        advance_delivered(&dt, 5);\n4626:        assert_eq!(dt.load(Ordering::Acquire), 6, \"seq 5 -> cursor 6\");\n4627:        advance_delivered(&dt, 2); // a rewind re-send cannot lower the cursor\n4628:        assert_eq!(dt.load(Ordering::Acquire), 6, \"rewind never decreases\");\n4629:    }\n4630:\n4631:    // ── v0.13.0 P0 — REQ-HAZARD-PTY-INPUT-WRITER-WEDGE: the PTY input\n4632:    //    single-writer unit kernel. These exercise the REAL `InputWriter::enqueue`\n4633:    //    against the REAL bounded `sync_channel` + the REAL backpressure atomic,\n4634:    //    with a CALLER-CONTROLLED consumer (the test owns `rx` and drains by hand).\n4635:    //    No PTY, no wall-clock in any decision assertion — the whole point of the\n4636:    //    fix is that the enqueue decision is non-blocking and clock-free. ──────────\n4637:\n4638:    /// Build an [`InputWriter`] over a caller-supplied bounded channel so the test\n4639:    /// controls the consumer precisely. `endpoint` is EMPTY, so `stamp_backpressure`\n4640:    /// is a no-op (impl: `if self.endpoint.is_empty() { return; }`) — the perch\n4641:    /// mirror is the int test's job; here we assert the in-crate `backpressure`\n4642:    /// atomic directly. The `_writer` handle is a trivial no-op thread: the REAL\n4643:    /// drain (`input_writer`) is the trivial FIFO `recv` loop, separately covered by\n4644:    /// the ORDER test; here the TEST is the consumer, draining `rx` deterministically.\n4645:    fn test_input_writer(depth: usize) -> (InputWriter, Receiver<InputRecord>) {\n4646:        let (tx, rx) = sync_channel::<InputRecord>(depth);\n4647:        let w = InputWriter {\n4648:            tx,\n4649:            backpressure: AtomicBool::new(false),\n4650:            endpoint: String::new(),\n4651:            _writer: thread::spawn(|| {}),\n4652:        };\n4653:        (w, rx)\n4654:    }\n4655:\n4656:    /// Drain ORDER: records enqueued in sequence reach the sole writer in strict\n4657:    /// FIFO order. We drive the REAL `enqueue` into the REAL channel, then drain it\n4658:    /// through a single consumer that applies each record to a stub `SessionSurface`\n4659:    /// recording the bytes it receives — EXACTLY mirroring the production\n4660:    /// `input_writer` loop (`while let Ok(b) = rx.recv() { surface.write_input(&b) }`).\n4661:    /// One FIFO + one writer ⇒ exact input order. Non-vacuous: a reorder/LIFO/dedup\n4662:    /// mutation of the single-writer contract makes the recorded sequence diverge.\n4663:    // [unit->REQ-HAZARD-PTY-INPUT-WRITER-WEDGE]\n4664:    #[test]\n4665:    fn input_writer_preserves_strict_fifo_order_through_the_sole_writer() {\n4666:        use spt_term::surface::{SessionSurface, SurfaceError, SurfaceSize};\n4667:\n4668:        /// A stub PTY write seam: appends every `write_input` to a shared Vec, in\n4669:        /// the order the sole writer applied them. (`resize` is never exercised.)\n4670:        struct RecordingSurface(Arc<Mutex<Vec<Vec<u8>>>>);\n4671:        impl SessionSurface for RecordingSurface {\n4672:            fn write_input(&self, bytes: &[u8]) -> Result<(), SurfaceError> {\n4673:                self.0.lock().unwrap().push(bytes.to_vec());\n4674:                Ok(())\n4675:            }\n4676:            fn resize(&self, _: SurfaceSize) -> Result<(), SurfaceError> {\n4677:                Ok(())\n4678:            }\n4679:        }\n4680:\n4681:        // Generous depth so nothing drops — this test is about ORDER, not the bound.\n4682:        let (w, rx) = test_input_writer(256);\n4683:        let written = Arc::new(Mutex::new(Vec::<Vec<u8>>::new()));\n4684:        let surface = RecordingSurface(Arc::clone(&written));\n4685:\n4686:        // Enqueue a distinguishable, NON-monotonic sequence (so any sort/reorder\n4687:        // mutation is caught, not just a reverse): paste-shaped multi-byte records\n4688:        // interleaved with single keystrokes.\n4689:        let inputs: Vec<Vec<u8>> = vec![\n4690:            b\"first\".to_vec(),\n4691:            b\"\\x03\".to_vec(),       // Ctrl-C\n4692:            b\"PASTE-BLOCK-AAAA\".to_vec(),\n4693:            b\"z\".to_vec(),\n4694:            b\"\\r\".to_vec(),         // Enter\n4695:            b\"PASTE-BLOCK-BBBB\".to_vec(),\n4696:            b\"last\".to_vec(),\n4697:        ];\n4698:        for rec in &inputs {\n4699:            assert!(w.enqueue(rec.clone()), \"depth 256: every enqueue is accepted\");\n4700:        }\n4701:        // Close the FIFO so the drain loop terminates, then drain through the SOLE\n4702:        // writer exactly as `input_writer` does.\n4703:        drop(w);\n4704:        while let Ok(bytes) = rx.recv() {\n4705:            surface.write_input(&bytes).unwrap();\n4706:        }\n4707:\n4708:        assert_eq!(\n4709:            *written.lock().unwrap(),\n4710:            inputs,\n4711:            \"the single FIFO + single writer must preserve strict enqueue order \\\n4712:             end-to-end (REQ-HAZARD-PTY-INPUT-WRITER-WEDGE — keystroke order is the \\\n4713:             paste-correctness invariant)\"\n4714:        );\n4715:    }\n4716:\n4717:    /// Bounded-queue DROP/HEAL decision, the heart of the fix. With a TINY capacity\n4718:    /// and a consumer that is NOT draining: the first N enqueues are accepted, the\n4719:    /// overflowing enqueue is DROPPED (returns false) and flips `backpressure` true;\n4720:    /// once the consumer drains one slot, the next enqueue is accepted again and\n4721:    /// CLEARS backpressure (heal-on-resume). Asserted purely on the in-crate\n4722:    /// `backpressure` atomic + the bool return — INJECTED channel, ZERO wall-clock.\n4723:    ///\n4724:    /// Mutation-proof: swap the Full/Ok arms (always-accept) and the DROP assert +\n4725:    /// the `backpressure==true` assert fail; drop the heal `swap(false)` and the\n4726:    /// post-drain clear fails; widen the bound and the saturation assert fails.\n4727:    // [unit->REQ-HAZARD-PTY-INPUT-WRITER-WEDGE]\n4728:    #[test]\n4729:    fn input_enqueue_drops_and_stamps_on_full_then_heals_on_drain() {\n4730:        const DEPTH: usize = 3;\n4731:        // Consumer is the test; it does NOT drain until we say so → the queue fills.\n4732:        let (w, rx) = test_input_writer(DEPTH);\n4733:\n4734:        // The first DEPTH enqueues fit (accepted, no backpressure yet).\n4735:        for i in 0..DEPTH {\n4736:            assert!(w.enqueue(vec![i as u8]), \"enqueue {i} fits within the bound\");\n4737:        }\n4738:        assert!(\n4739:            !w.backpressure.load(Ordering::Acquire),\n4740:            \"a full-but-not-overflowed queue has NOT signalled backpressure\"\n4741:        );\n4742:\n4743:        // The overflowing enqueue (queue full, consumer stalled) is DROPPED and\n4744:        // stamps backpressure on the rising edge.\n4745:        assert!(\n4746:            !w.enqueue(b\"OVERFLOW\".to_vec()),\n4747:            \"an enqueue into a full FIFO is DROPPED (returns false) — never blocks \\\n4748:             the dispatch thread (the wedge cure)\"\n4749:        );\n4750:        assert!(\n4751:            w.backpressure.load(Ordering::Acquire),\n4752:            \"a DROP must stamp input_backpressure true (operator-visible signal)\"\n4753:        );\n4754:        // A second overflow while still saturated stays dropped + backpressured (the\n4755:        // stamp is rising-edge-only, but the STATE remains true — no flap to false).\n4756:        assert!(!w.enqueue(b\"OVERFLOW-2\".to_vec()), \"still dropping while full\");\n4757:        assert!(\n4758:            w.backpressure.load(Ordering::Acquire),\n4759:            \"backpressure stays asserted while the queue remains saturated\"\n4760:        );\n4761:\n4762:        // The consumer drains ONE slot → a slot frees. The next enqueue is accepted\n4763:        // and HEALS (clears backpressure) — input resumes, the slow harness recovers.\n4764:        let _ = rx.recv().expect(\"drain one record to free a slot\");\n4765:        assert!(\n4766:            w.enqueue(b\"AFTER-DRAIN\".to_vec()),\n4767:            \"with a freed slot the next enqueue is ACCEPTED again\"\n4768:        );\n…\n4774:    }\n\n[Showing lines 4624-4768 of 5718. Use :4769 to continue]"}],"details":{"truncation":{"content":"        assert_eq!(dt.load(Ordering::Acquire), 1, \"seq 0 -> cursor 1\");\r\n        advance_delivered(&dt, 5);\r\n        assert_eq!(dt.load(Ordering::Acquire), 6, \"seq 5 -> cursor 6\");\r\n        advance_delivered(&dt, 2); // a rewind re-send cannot lower the cursor\r\n        assert_eq!(dt.load(Ordering::Acquire), 6, \"rewind never decreases\");\r\n    }\r\n\r\n    // ── v0.13.0 P0 — REQ-HAZARD-PTY-INPUT-WRITER-WEDGE: the PTY input\r\n    //    single-writer unit kernel. These exercise the REAL `InputWriter::enqueue`\r\n    //    against the REAL bounded `sync_channel` + the REAL backpressure atomic,\r\n    //    with a CALLER-CONTROLLED consumer (the test owns `rx` and drains by hand).\r\n    //    No PTY, no wall-clock in any decision assertion — the whole point of the\r\n    //    fix is that the enqueue decision is non-blocking and clock-free. ──────────\r\n\r\n    /// Build an [`InputWriter`] over a caller-supplied bounded channel so the test\r\n    /// controls the consumer precisely. `endpoint` is EMPTY, so `stamp_backpressure`\r\n    /// is a no-op (impl: `if self.endpoint.is_empty() { return; }`) — the perch\r\n    /// mirror is the int test's job; here we assert the in-crate `backpressure`\r\n    /// atomic directly. The `_writer` handle is a trivial no-op thread: the REAL\r\n    /// drain (`input_writer`) is the trivial FIFO `recv` loop, separately covered by\r\n    /// the ORDER test; here the TEST is the consumer, draining `rx` deterministically.\r\n    fn test_input_writer(depth: usize) -> (InputWriter, Receiver<InputRecord>) {\r\n        let (tx, rx) = sync_channel::<InputRecord>(depth);\r\n        let w = InputWriter {\r\n            tx,\r\n            backpressure: AtomicBool::new(false),\r\n            endpoint: String::new(),\r\n            _writer: thread::spawn(|| {}),\r\n        };\r\n        (w, rx)\r\n    }\r\n\r\n    /// Drain ORDER: records enqueued in sequence reach the sole writer in strict\r\n    /// FIFO order. We drive the REAL `enqueue` into the REAL channel, then drain it\r\n    /// through a single consumer that applies each record to a stub `SessionSurface`\r\n    /// recording the bytes it receives — EXACTLY mirroring the production\r\n    /// `input_writer` loop (`while let Ok(b) = rx.recv() { surface.write_input(&b) }`).\r\n    /// One FIFO + one writer ⇒ exact input order. Non-vacuous: a reorder/LIFO/dedup\r\n    /// mutation of the single-writer contract makes the recorded sequence diverge.\r\n    // [unit->REQ-HAZARD-PTY-INPUT-WRITER-WEDGE]\r\n    #[test]\r\n    fn input_writer_preserves_strict_fifo_order_through_the_sole_writer() {\r\n        use spt_term::surface::{SessionSurface, SurfaceError, SurfaceSize};\r\n\r\n        /// A stub PTY write seam: appends every `write_input` to a shared Vec, in\r\n        /// the order the sole writer applied them. (`resize` is never exercised.)\r\n        struct RecordingSurface(Arc<Mutex<Vec<Vec<u8>>>>);\r\n        impl SessionSurface for RecordingSurface {\r\n            fn write_input(&self, bytes: &[u8]) -> Result<(), SurfaceError> {\r\n                self.0.lock().unwrap().push(bytes.to_vec());\r\n                Ok(())\r\n            }\r\n            fn resize(&self, _: SurfaceSize) -> Result<(), SurfaceError> {\r\n                Ok(())\r\n            }\r\n        }\r\n\r\n        // Generous depth so nothing drops — this test is about ORDER, not the bound.\r\n        let (w, rx) = test_input_writer(256);\r\n        let written = Arc::new(Mutex::new(Vec::<Vec<u8>>::new()));\r\n        let surface = RecordingSurface(Arc::clone(&written));\r\n\r\n        // Enqueue a distinguishable, NON-monotonic sequence (so any sort/reorder\r\n        // mutation is caught, not just a reverse): paste-shaped multi-byte records\r\n        // interleaved with single keystrokes.\r\n        let inputs: Vec<Vec<u8>> = vec![\r\n            b\"first\".to_vec(),\r\n            b\"\\x03\".to_vec(),       // Ctrl-C\r\n            b\"PASTE-BLOCK-AAAA\".to_vec(),\r\n            b\"z\".to_vec(),\r\n            b\"\\r\".to_vec(),         // Enter\r\n            b\"PASTE-BLOCK-BBBB\".to_vec(),\r\n            b\"last\".to_vec(),\r\n        ];\r\n        for rec in &inputs {\r\n            assert!(w.enqueue(rec.clone()), \"depth 256: every enqueue is accepted\");\r\n        }\r\n        // Close the FIFO so the drain loop terminates, then drain through the SOLE\r\n        // writer exactly as `input_writer` does.\r\n        drop(w);\r\n        while let Ok(bytes) = rx.recv() {\r\n            surface.write_input(&bytes).unwrap();\r\n        }\r\n\r\n        assert_eq!(\r\n            *written.lock().unwrap(),\r\n            inputs,\r\n            \"the single FIFO + single writer must preserve strict enqueue order \\\r\n             end-to-end (REQ-HAZARD-PTY-INPUT-WRITER-WEDGE — keystroke order is the \\\r\n             paste-correctness invariant)\"\r\n        );\r\n    }\r\n\r\n    /// Bounded-queue DROP/HEAL decision, the heart of the fix. With a TINY capacity\r\n    /// and a consumer that is NOT draining: the first N enqueues are accepted, the\r\n    /// overflowing enqueue is DROPPED (returns false) and flips `backpressure` true;\r\n    /// once the consumer drains one slot, the next enqueue is accepted again and\r\n    /// CLEARS backpressure (heal-on-resume). Asserted purely on the in-crate\r\n    /// `backpressure` atomic + the bool return — INJECTED channel, ZERO wall-clock.\r\n    ///\r\n    /// Mutation-proof: swap the Full/Ok arms (always-accept) and the DROP assert +\r\n    /// the `backpressure==true` assert fail; drop the heal `swap(false)` and the\r\n    /// post-drain clear fails; widen the bound and the saturation assert fails.\r\n    // [unit->REQ-HAZARD-PTY-INPUT-WRITER-WEDGE]\r\n    #[test]\r\n    fn input_enqueue_drops_and_stamps_on_full_then_heals_on_drain() {\r\n        const DEPTH: usize = 3;\r\n        // Consumer is the test; it does NOT drain until we say so → the queue fills.\r\n        let (w, rx) = test_input_writer(DEPTH);\r\n\r\n        // The first DEPTH enqueues fit (accepted, no backpressure yet).\r\n        for i in 0..DEPTH {\r\n            assert!(w.enqueue(vec![i as u8]), \"enqueue {i} fits within the bound\");\r\n        }\r\n        assert!(\r\n            !w.backpressure.load(Ordering::Acquire),\r\n            \"a full-but-not-overflowed queue has NOT signalled backpressure\"\r\n        );\r\n\r\n        // The overflowing enqueue (queue full, consumer stalled) is DROPPED and\r\n        // stamps backpressure on the rising edge.\r\n        assert!(\r\n            !w.enqueue(b\"OVERFLOW\".to_vec()),\r\n            \"an enqueue into a full FIFO is DROPPED (returns false) — never blocks \\\r\n             the dispatch thread (the wedge cure)\"\r\n        );\r\n        assert!(\r\n            w.backpressure.load(Ordering::Acquire),\r\n            \"a DROP must stamp input_backpressure true (operator-visible signal)\"\r\n        );\r\n        // A second overflow while still saturated stays dropped + backpressured (the\r\n        // stamp is rising-edge-only, but the STATE remains true — no flap to false).\r\n        assert!(!w.enqueue(b\"OVERFLOW-2\".to_vec()), \"still dropping while full\");\r\n        assert!(\r\n            w.backpressure.load(Ordering::Acquire),\r\n            \"backpressure stays asserted while the queue remains saturated\"\r\n        );\r\n\r\n        // The consumer drains ONE slot → a slot frees. The next enqueue is accepted\r\n        // and HEALS (clears backpressure) — input resumes, the slow harness recovers.\r\n        let _ = rx.recv().expect(\"drain one record to free a slot\");\r\n        assert!(\r\n            w.enqueue(b\"AFTER-DRAIN\".to_vec()),\r\n            \"with a freed slot the next enqueue is ACCEPTED again\"\r\n        );\r","truncated":true,"truncatedBy":"lines","totalLines":1095,"totalBytes":7523,"outputLines":145,"outputBytes":7523,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"    fn advance_delivered_is_monotonic() {\n…\n        assert_eq!(dt.load(Ordering::Acquire), 1, \"seq 0 -> cursor 1\");\r\n        advance_delivered(&dt, 5);\r\n        assert_eq!(dt.load(Ordering::Acquire), 6, \"seq 5 -> cursor 6\");\r\n        advance_delivered(&dt, 2); // a rewind re-send cannot lower the cursor\r\n        assert_eq!(dt.load(Ordering::Acquire), 6, \"rewind never decreases\");\r\n    }\r\n\r\n    // ── v0.13.0 P0 — REQ-HAZARD-PTY-INPUT-WRITER-WEDGE: the PTY input\r\n    //    single-writer unit kernel. These exercise the REAL `InputWriter::enqueue`\r\n    //    against the REAL bounded `sync_channel` + the REAL backpressure atomic,\r\n    //    with a CALLER-CONTROLLED consumer (the test owns `rx` and drains by hand).\r\n    //    No PTY, no wall-clock in any decision assertion — the whole point of the\r\n    //    fix is that the enqueue decision is non-blocking and clock-free. ──────────\r\n\r\n    /// Build an [`InputWriter`] over a caller-supplied bounded channel so the test\r\n    /// controls the consumer precisely. `endpoint` is EMPTY, so `stamp_backpressure`\r\n    /// is a no-op (impl: `if self.endpoint.is_empty() { return; }`) — the perch\r\n    /// mirror is the int test's job; here we assert the in-crate `backpressure`\r\n    /// atomic directly. The `_writer` handle is a trivial no-op thread: the REAL\r\n    /// drain (`input_writer`) is the trivial FIFO `recv` loop, separately covered by\r\n    /// the ORDER test; here the TEST is the consumer, draining `rx` deterministically.\r\n    fn test_input_writer(depth: usize) -> (InputWriter, Receiver<InputRecord>) {\r\n        let (tx, rx) = sync_channel::<InputRecord>(depth);\r\n        let w = InputWriter {\r\n            tx,\r\n            backpressure: AtomicBool::new(false),\r\n            endpoint: String::new(),\r\n            _writer: thread::spawn(|| {}),\r\n        };\r\n        (w, rx)\r\n    }\r\n\r\n    /// Drain ORDER: records enqueued in sequence reach the sole writer in strict\r\n    /// FIFO order. We drive the REAL `enqueue` into the REAL channel, then drain it\r\n    /// through a single consumer that applies each record to a stub `SessionSurface`\r\n    /// recording the bytes it receives — EXACTLY mirroring the production\r\n    /// `input_writer` loop (`while let Ok(b) = rx.recv() { surface.write_input(&b) }`).\r\n    /// One FIFO + one writer ⇒ exact input order. Non-vacuous: a reorder/LIFO/dedup\r\n    /// mutation of the single-writer contract makes the recorded sequence diverge.\r\n    // [unit->REQ-HAZARD-PTY-INPUT-WRITER-WEDGE]\r\n    #[test]\r\n    fn input_writer_preserves_strict_fifo_order_through_the_sole_writer() {\r\n        use spt_term::surface::{SessionSurface, SurfaceError, SurfaceSize};\r\n\r\n        /// A stub PTY write seam: appends every `write_input` to a shared Vec, in\r\n        /// the order the sole writer applied them. (`resize` is never exercised.)\r\n        struct RecordingSurface(Arc<Mutex<Vec<Vec<u8>>>>);\r\n        impl SessionSurface for RecordingSurface {\r\n            fn write_input(&self, bytes: &[u8]) -> Result<(), SurfaceError> {\r\n                self.0.lock().unwrap().push(bytes.to_vec());\r\n                Ok(())\r\n            }\r\n            fn resize(&self, _: SurfaceSize) -> Result<(), SurfaceError> {\r\n                Ok(())\r\n            }\r\n        }\r\n\r\n        // Generous depth so nothing drops — this test is about ORDER, not the bound.\r\n        let (w, rx) = test_input_writer(256);\r\n        let written = Arc::new(Mutex::new(Vec::<Vec<u8>>::new()));\r\n        let surface = RecordingSurface(Arc::clone(&written));\r\n\r\n        // Enqueue a distinguishable, NON-monotonic sequence (so any sort/reorder\r\n        // mutation is caught, not just a reverse): paste-shaped multi-byte records\r\n        // interleaved with single keystrokes.\r\n        let inputs: Vec<Vec<u8>> = vec![\r\n            b\"first\".to_vec(),\r\n            b\"\\x03\".to_vec(),       // Ctrl-C\r\n            b\"PASTE-BLOCK-AAAA\".to_vec(),\r\n            b\"z\".to_vec(),\r\n            b\"\\r\".to_vec(),         // Enter\r\n            b\"PASTE-BLOCK-BBBB\".to_vec(),\r\n            b\"last\".to_vec(),\r\n        ];\r\n        for rec in &inputs {\r\n            assert!(w.enqueue(rec.clone()), \"depth 256: every enqueue is accepted\");\r\n        }\r\n        // Close the FIFO so the drain loop terminates, then drain through the SOLE\r\n        // writer exactly as `input_writer` does.\r\n        drop(w);\r\n        while let Ok(bytes) = rx.recv() {\r\n            surface.write_input(&bytes).unwrap();\r\n        }\r\n\r\n        assert_eq!(\r\n            *written.lock().unwrap(),\r\n            inputs,\r\n            \"the single FIFO + single writer must preserve strict enqueue order \\\r\n             end-to-end (REQ-HAZARD-PTY-INPUT-WRITER-WEDGE — keystroke order is the \\\r\n             paste-correctness invariant)\"\r\n        );\r\n    }\r\n\r\n    /// Bounded-queue DROP/HEAL decision, the heart of the fix. With a TINY capacity\r\n    /// and a consumer that is NOT draining: the first N enqueues are accepted, the\r\n    /// overflowing enqueue is DROPPED (returns false) and flips `backpressure` true;\r\n    /// once the consumer drains one slot, the next enqueue is accepted again and\r\n    /// CLEARS backpressure (heal-on-resume). Asserted purely on the in-crate\r\n    /// `backpressure` atomic + the bool return — INJECTED channel, ZERO wall-clock.\r\n    ///\r\n    /// Mutation-proof: swap the Full/Ok arms (always-accept) and the DROP assert +\r\n    /// the `backpressure==true` assert fail; drop the heal `swap(false)` and the\r\n    /// post-drain clear fails; widen the bound and the saturation assert fails.\r\n    // [unit->REQ-HAZARD-PTY-INPUT-WRITER-WEDGE]\r\n    #[test]\r\n    fn input_enqueue_drops_and_stamps_on_full_then_heals_on_drain() {\r\n        const DEPTH: usize = 3;\r\n        // Consumer is the test; it does NOT drain until we say so → the queue fills.\r\n        let (w, rx) = test_input_writer(DEPTH);\r\n\r\n        // The first DEPTH enqueues fit (accepted, no backpressure yet).\r\n        for i in 0..DEPTH {\r\n            assert!(w.enqueue(vec![i as u8]), \"enqueue {i} fits within the bound\");\r\n        }\r\n        assert!(\r\n            !w.backpressure.load(Ordering::Acquire),\r\n            \"a full-but-not-overflowed queue has NOT signalled backpressure\"\r\n        );\r\n\r\n        // The overflowing enqueue (queue full, consumer stalled) is DROPPED and\r\n        // stamps backpressure on the rising edge.\r\n        assert!(\r\n            !w.enqueue(b\"OVERFLOW\".to_vec()),\r\n            \"an enqueue into a full FIFO is DROPPED (returns false) — never blocks \\\r\n             the dispatch thread (the wedge cure)\"\r\n        );\r\n        assert!(\r\n            w.backpressure.load(Ordering::Acquire),\r\n            \"a DROP must stamp input_backpressure true (operator-visible signal)\"\r\n        );\r\n        // A second overflow while still saturated stays dropped + backpressured (the\r\n        // stamp is rising-edge-only, but the STATE remains true — no flap to false).\r\n        assert!(!w.enqueue(b\"OVERFLOW-2\".to_vec()), \"still dropping while full\");\r\n        assert!(\r\n            w.backpressure.load(Ordering::Acquire),\r\n            \"backpressure stays asserted while the queue remains saturated\"\r\n        );\r\n\r\n        // The consumer drains ONE slot → a slot frees. The next enqueue is accepted\r\n        // and HEALS (clears backpressure) — input resumes, the slow harness recovers.\r\n        let _ = rx.recv().expect(\"drain one record to free a slot\");\r\n        assert!(\r\n            w.enqueue(b\"AFTER-DRAIN\".to_vec()),\r\n            \"with a freed slot the next enqueue is ACCEPTED again\"\r\n        );\r\n…\n    }","startLine":4621,"lineNumbers":[4621,null,4624,4625,4626,4627,4628,4629,4630,4631,4632,4633,4634,4635,4636,4637,4638,4639,4640,4641,4642,4643,4644,4645,4646,4647,4648,4649,4650,4651,4652,4653,4654,4655,4656,4657,4658,4659,4660,4661,4662,4663,4664,4665,4666,4667,4668,4669,4670,4671,4672,4673,4674,4675,4676,4677,4678,4679,4680,4681,4682,4683,4684,4685,4686,4687,4688,4689,4690,4691,4692,4693,4694,4695,4696,4697,4698,4699,4700,4701,4702,4703,4704,4705,4706,4707,4708,4709,4710,4711,4712,4713,4714,4715,4716,4717,4718,4719,4720,4721,4722,4723,4724,4725,4726,4727,4728,4729,4730,4731,4732,4733,4734,4735,4736,4737,4738,4739,4740,4741,4742,4743,4744,4745,4746,4747,4748,4749,4750,4751,4752,4753,4754,4755,4756,4757,4758,4759,4760,4761,4762,4763,4764,4765,4766,4767,4768,null,4774]},"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":5718,"totalBytes":7523,"outputLines":145,"outputBytes":7523,"shownRange":{"start":4624,"end":4768},"nextOffset":4769}}},"isError":false,"timestamp":1783657557451}}
{"type":"message","id":"b947e41e","parentId":"5ca20c1e","timestamp":"2026-07-10T04:25:57.451Z","message":{"role":"toolResult","toolCallId":"call_DmU0MHqCTVsG3vgbILlVx9Yy|fc_0ec86a6c795d74b7016a5074554adc8195a91dcdecc600a468","toolName":"read","content":[{"type":"text","text":"[broker.rs#1F25]\n2468:fn pair_fail_frame(fail: &crate::pairhost::JoinFail) -> Envelope {\n2469:    use crate::pairhost::JoinFail;\n2470:    let (class, retry) = match fail {\n2471:        JoinFail::NoSeedHolder(_) => (\"no-seed-holder\", None),\n2472:        JoinFail::WrongCode => (\"wrong-code\", None),\n2473:        JoinFail::RateLimited(retry) => (\"rate-limited\", *retry),\n2474:        JoinFail::UnknownSubnet(_) => (\"unknown-subnet\", None),\n2475:        JoinFail::ClockSkew => (\"clock-skew\", None),\n2476:        JoinFail::Other(_) => (\"other\", None),\n2477:    };\n2478:    Envelope::new(\n2479:        KIND_PAIR_JOINED,\n2480:        serde_json::to_value(PairJoinReply {\n2481:            ok: false,\n2482:            class: Some(class.to_string()),\n2483:            retry_after_secs: retry,\n2484:            detail: fail.to_string(),\n2485:        })\n2486:        .expect(\"PairJoinReply serializes\"),\n2487:    )\n2488:}\n2489:\n2490:/// The distinct `(endpoint, install_dir)` pairs whose session runs `adapter`,\n2491:/// from per-session `(endpoint, adapter, install_dir)` rows. Sessions with no\n2492:/// recorded install dir are dropped (a live update needs a target). Pure (no\n2493:/// lock, no I/O) so the live-update endpoint-selection is unit-testable without\n2494:/// constructing real `HostedSession`s. (W3a, ADR-0025)\n2495:// [impl->REQ-ADAPTER-LIVE-UPDATE]\n2496:fn select_endpoints_running_adapter(\n2497:    rows: impl IntoIterator<Item = (String, String, Option<std::path::PathBuf>)>,\n2498:    adapter: &str,\n2499:) -> Vec<(String, std::path::PathBuf)> {\n2500:    let mut out: Vec<(String, std::path::PathBuf)> = rows\n2501:        .into_iter()\n2502:        .filter_map(|(endpoint, adp, dir)| {\n2503:            // Parent-match: a profile-composite `<adapter>:<profile>` session belongs\n2504:            // to the update's parent record name (F015B — no exact-match skew).\n2505:            spt_runtime::profile::adapter_parent_matches(&adp, adapter)\n2506:                .then_some(dir.map(|d| (endpoint, d)))?\n2507:        })\n2508:        .collect();\n2509:    out.sort();\n2510:    out.dedup();\n2511:    out\n2512:}\n2513:\n2514:impl Broker {\n2515:    /// Bind the broker's listening endpoint at the namespaced `name`, with the\n2516:    /// effect journal at the default path (`<spt_home>/daemon-effects.log`).\n2517:    pub fn bind(name: &str) -> io::Result<Arc<Self>> {\n2518:        Self::bind_in(name, default_journal_path())\n2519:    }\n2520:\n2521:    /// Bind with an explicit effect-journal path — the testable seam (tests point\n2522:    /// the broker-owned anchor at a temp file rather than the shared home).\n2523:    pub fn bind_in(name: &str, journal_path: std::path::PathBuf) -> io::Result<Arc<Self>> {\n2524:        Self::bind_in_with_net(name, journal_path, None)\n2525:    }\n2526:\n2527:    /// Bind with an already-started broker-owned network host (D4a). Taking the\n2528:    /// host (not its config) keeps a net bind failure separable from a listener\n2529:    /// bind failure — the daemon degrades to a net-less broker rather than\n2530:    /// losing PTY hosting (see `Daemon::run`).\n2531:    // [impl->REQ-DAEMON-2]\n2532:    pub fn bind_in_with_net(\n2533:        name: &str,\n2534:        journal_path: std::path::PathBuf,\n2535:        net: Option<NetHost>,\n2536:    ) -> io::Result<Arc<Self>> {\n2537:        Self::bind_in_with_net_cap(name, journal_path, net, DEFAULT_LOG_CHUNKS)\n2538:    }\n2539:\n2540:    /// [`bind_in_with_net`](Self::bind_in_with_net) with an explicit output-log\n2541:    /// ring cap (the per-session eviction bound). Production binds at\n2542:    /// [`DEFAULT_LOG_CHUNKS`]; the restoration D4-2 resume harness binds a **tiny**\n2543:    /// cap to force ring eviction and exercise the post-eviction floor clamp (a\n2544:    /// `resume_seq` below the surviving ring floor must resume forward, losing only\n2545:    /// the evicted tail — never gap-erroring the live stream).\n2546:    pub fn bind_in_with_net_cap(\n2547:        name: &str,\n2548:        journal_path: std::path::PathBuf,\n2549:        net: Option<NetHost>,\n2550:        log_cap_chunks: usize,\n2551:    ) -> io::Result<Arc<Self>> {\n2552:        let net_cell = std::sync::OnceLock::new();\n2553:        if let Some(host) = net {\n2554:            let _ = net_cell.set(host);\n2555:        }\n2556:        Ok(Arc::new(Broker {\n2557:            listener: LocalSocketTransport::bind(name)?,\n2558:            name: name.to_string(),\n2559:            stop: AtomicBool::new(false),\n2560:            sessions: Arc::new(Mutex::new(HashMap::new())),\n2561:            next_id: AtomicU64::new(1),\n2562:            log_cap_chunks,\n2563:            journal: Arc::new(EffectJournal::open(journal_path)?),\n2564:            net: net_cell,\n2565:            brain_restart: std::sync::OnceLock::new(),\n2566:            pair_holds: Mutex::new(HashMap::new()),\n2567:            wake_inflight: Mutex::new(HashSet::new()),\n2568:        }))\n2569:    }\n2570:\n2571:    /// Wire the brain supervisor's planned-restart signal (ADR-0018 D3-3) so the\n2572:    /// `KIND_BRAIN_RESTART` verb can drive a real brain-process restart. Called\n2573:    /// once by `Daemon::run` after spawning the supervisor; idempotent by\n2574:    /// `OnceLock` (the first wins). A broker without it accepts the verb but\n2575:    /// reports `honored: false` (no supervisor to respawn the child).\n2576:    // [impl->REQ-HAZARD-BROKER-PROCESS-ISOLATION]\n2577:    pub fn set_brain_restart(&self, signal: Arc<crate::brainproc::BrainRestart>) -> bool {\n2578:        self.brain_restart.set(signal).is_ok()\n2579:    }\n2580:\n2581:    /// Attach a network host to a broker that was bound net-less (REQ-DAEMON-9):\n2582:    /// the boot-race self-heal path calls this once the background retry brings\n2583:    /// the net endpoint up, after which the dispatcher + peer pump are spawned.\n2584:    /// Idempotent by `OnceLock` — a second attach is a no-op returning `false`\n2585:    /// (the first host wins); the hot read path (`net()`) never blocks on it.\n2586:    // [impl->REQ-DAEMON-9]\n2587:    pub fn attach_net(&self, host: NetHost) -> bool {\n2588:        self.net.set(host).is_ok()\n2589:    }\n2590:\n2591:    /// The broker-owned exactly-once anchor (for introspection / tests).\n2592:    pub fn journal(&self) -> &Arc<EffectJournal> {\n2593:        &self.journal\n2594:    }\n2595:\n2596:    /// The broker-owned network host, if one is attached (at bind or via the\n2597:    /// REQ-DAEMON-9 self-heal `attach_net`). Lock-free.\n2598:    pub fn net(&self) -> Option<&NetHost> {\n2599:        self.net.get()\n2600:    }\n2601:\n2602:    /// Accept connections forever, handling each on its own thread. The broker\n2603:    /// is the long-lived process; this is its main loop. Per-connection\n2604:    /// threading is half the KH 7.4 isolation stance: one brain's blocking\n2605:    /// dispatch can never stall another's (the per-session half is\n2606:    /// [`Broker::dispatch_spawn`]'s drain/waiter threads).\n2607:    // [impl->REQ-HAZARD-DAEMON-SCHED-NONBLOCKING]\n2608:    pub fn serve(self: &Arc<Self>) -> io::Result<()> {\n2609:        loop {\n2610:            let conn = self.listener.accept()?;\n2611:            // C1 graceful stop: [`Broker::stop`] raises the latch then dials the\n2612:            // throwaway connection that woke this accept — observe it and return so the\n2613:            // serve thread (and, with it, the listener) tears down instead of leaking.\n2614:            if self.stop.load(Ordering::Acquire) {\n2615:                return Ok(());\n2616:            }\n2617:            let me = Arc::clone(self);\n2618:            thread::spawn(move || {\n2619:                let _ = me.handle_conn(conn);\n2620:            });\n2621:        }\n2622:    }\n2623:\n2624:    /// Gracefully stop the [`serve`](Self::serve) accept loop: raise the latch, then\n2625:    /// dial one throwaway connection so the blocked `accept()` wakes, observes the\n2626:    /// latch, and returns (dropping the listener). Best-effort + idempotent — a second\n2627:    /// call, or a call after the loop already exited, just fails the dial harmlessly.\n2628:    /// Fills the honest gap that `serve` is otherwise unstoppable (the leaked-serve\n2629:    /// load that starved the seed stop barrier — REQ-HAZARD-DAEMON-STOP-BARRIER).\n2630:    // [impl->REQ-HAZARD-DAEMON-STOP-BARRIER]\n2631:    pub fn stop(&self) {\n2632:        self.stop.store(true, Ordering::Release);\n2633:        let _ = LocalSocketTransport::connect(&self.name);\n2634:    }\n2635:\n2636:    /// Accept exactly one connection and handle it on a spawned thread, returning\n2637:    /// that thread's handle. The single-brain entry point the tests exercise.\n2638:    pub fn serve_once(self: &Arc<Self>) -> io::Result<JoinHandle<()>> {\n2639:        let conn = self.listener.accept()?;\n2640:        let me = Arc::clone(self);\n2641:        Ok(thread::spawn(move || {\n2642:            let _ = me.handle_conn(conn);\n2643:        }))\n2644:    }\n2645:\n2646:    /// Number of currently hosted sessions (for tests / introspection).\n2647:    pub fn session_count(&self) -> usize {\n2648:        recover(&self.sessions).len()\n2649:    }\n2650:\n2651:    /// The live **resident adapter children** (translation binaries) for\n2652:    /// `endpoint` — the processes a live adapter update (W3d) stops and restarts\n2653:    /// so the install dir's locked binaries free up. The broker `sessions` map IS\n2654:    /// the per-endpoint resident registry (W3a, ADR-0025): each `HostedSession`\n2655:    /// already carries its `endpoint` + lifecycle-managed `translation` child.\n2656:    // [impl->REQ-ADAPTER-LIVE-UPDATE]\n2657:    #[allow(dead_code)] // consumed by W3d `dispatch_adapter_apply` (next sub-commit)\n2658:    fn resident_translations_for_endpoint(&self, endpoint: &str) -> Vec<Arc<Translation>> {\n2659:        let map = recover(&self.sessions);\n2660:        map.values()\n2661:            .filter(|s| s.endpoint == endpoint)\n2662:            .filter_map(|s| s.translation.clone())\n2663:            .collect()\n2664:    }\n…\n4177:}\n\n[Showing lines 2469-2663 of 5718. Use :2664 to continue]"}],"details":{"truncation":{"content":"    use crate::pairhost::JoinFail;\r\n    let (class, retry) = match fail {\r\n        JoinFail::NoSeedHolder(_) => (\"no-seed-holder\", None),\r\n        JoinFail::WrongCode => (\"wrong-code\", None),\r\n        JoinFail::RateLimited(retry) => (\"rate-limited\", *retry),\r\n        JoinFail::UnknownSubnet(_) => (\"unknown-subnet\", None),\r\n        JoinFail::ClockSkew => (\"clock-skew\", None),\r\n        JoinFail::Other(_) => (\"other\", None),\r\n    };\r\n    Envelope::new(\r\n        KIND_PAIR_JOINED,\r\n        serde_json::to_value(PairJoinReply {\r\n            ok: false,\r\n            class: Some(class.to_string()),\r\n            retry_after_secs: retry,\r\n            detail: fail.to_string(),\r\n        })\r\n        .expect(\"PairJoinReply serializes\"),\r\n    )\r\n}\r\n\r\n/// The distinct `(endpoint, install_dir)` pairs whose session runs `adapter`,\r\n/// from per-session `(endpoint, adapter, install_dir)` rows. Sessions with no\r\n/// recorded install dir are dropped (a live update needs a target). Pure (no\r\n/// lock, no I/O) so the live-update endpoint-selection is unit-testable without\r\n/// constructing real `HostedSession`s. (W3a, ADR-0025)\r\n// [impl->REQ-ADAPTER-LIVE-UPDATE]\r\nfn select_endpoints_running_adapter(\r\n    rows: impl IntoIterator<Item = (String, String, Option<std::path::PathBuf>)>,\r\n    adapter: &str,\r\n) -> Vec<(String, std::path::PathBuf)> {\r\n    let mut out: Vec<(String, std::path::PathBuf)> = rows\r\n        .into_iter()\r\n        .filter_map(|(endpoint, adp, dir)| {\r\n            // Parent-match: a profile-composite `<adapter>:<profile>` session belongs\r\n            // to the update's parent record name (F015B — no exact-match skew).\r\n            spt_runtime::profile::adapter_parent_matches(&adp, adapter)\r\n                .then_some(dir.map(|d| (endpoint, d)))?\r\n        })\r\n        .collect();\r\n    out.sort();\r\n    out.dedup();\r\n    out\r\n}\r\n\r\nimpl Broker {\r\n    /// Bind the broker's listening endpoint at the namespaced `name`, with the\r\n    /// effect journal at the default path (`<spt_home>/daemon-effects.log`).\r\n    pub fn bind(name: &str) -> io::Result<Arc<Self>> {\r\n        Self::bind_in(name, default_journal_path())\r\n    }\r\n\r\n    /// Bind with an explicit effect-journal path — the testable seam (tests point\r\n    /// the broker-owned anchor at a temp file rather than the shared home).\r\n    pub fn bind_in(name: &str, journal_path: std::path::PathBuf) -> io::Result<Arc<Self>> {\r\n        Self::bind_in_with_net(name, journal_path, None)\r\n    }\r\n\r\n    /// Bind with an already-started broker-owned network host (D4a). Taking the\r\n    /// host (not its config) keeps a net bind failure separable from a listener\r\n    /// bind failure — the daemon degrades to a net-less broker rather than\r\n    /// losing PTY hosting (see `Daemon::run`).\r\n    // [impl->REQ-DAEMON-2]\r\n    pub fn bind_in_with_net(\r\n        name: &str,\r\n        journal_path: std::path::PathBuf,\r\n        net: Option<NetHost>,\r\n    ) -> io::Result<Arc<Self>> {\r\n        Self::bind_in_with_net_cap(name, journal_path, net, DEFAULT_LOG_CHUNKS)\r\n    }\r\n\r\n    /// [`bind_in_with_net`](Self::bind_in_with_net) with an explicit output-log\r\n    /// ring cap (the per-session eviction bound). Production binds at\r\n    /// [`DEFAULT_LOG_CHUNKS`]; the restoration D4-2 resume harness binds a **tiny**\r\n    /// cap to force ring eviction and exercise the post-eviction floor clamp (a\r\n    /// `resume_seq` below the surviving ring floor must resume forward, losing only\r\n    /// the evicted tail — never gap-erroring the live stream).\r\n    pub fn bind_in_with_net_cap(\r\n        name: &str,\r\n        journal_path: std::path::PathBuf,\r\n        net: Option<NetHost>,\r\n        log_cap_chunks: usize,\r\n    ) -> io::Result<Arc<Self>> {\r\n        let net_cell = std::sync::OnceLock::new();\r\n        if let Some(host) = net {\r\n            let _ = net_cell.set(host);\r\n        }\r\n        Ok(Arc::new(Broker {\r\n            listener: LocalSocketTransport::bind(name)?,\r\n            name: name.to_string(),\r\n            stop: AtomicBool::new(false),\r\n            sessions: Arc::new(Mutex::new(HashMap::new())),\r\n            next_id: AtomicU64::new(1),\r\n            log_cap_chunks,\r\n            journal: Arc::new(EffectJournal::open(journal_path)?),\r\n            net: net_cell,\r\n            brain_restart: std::sync::OnceLock::new(),\r\n            pair_holds: Mutex::new(HashMap::new()),\r\n            wake_inflight: Mutex::new(HashSet::new()),\r\n        }))\r\n    }\r\n\r\n    /// Wire the brain supervisor's planned-restart signal (ADR-0018 D3-3) so the\r\n    /// `KIND_BRAIN_RESTART` verb can drive a real brain-process restart. Called\r\n    /// once by `Daemon::run` after spawning the supervisor; idempotent by\r\n    /// `OnceLock` (the first wins). A broker without it accepts the verb but\r\n    /// reports `honored: false` (no supervisor to respawn the child).\r\n    // [impl->REQ-HAZARD-BROKER-PROCESS-ISOLATION]\r\n    pub fn set_brain_restart(&self, signal: Arc<crate::brainproc::BrainRestart>) -> bool {\r\n        self.brain_restart.set(signal).is_ok()\r\n    }\r\n\r\n    /// Attach a network host to a broker that was bound net-less (REQ-DAEMON-9):\r\n    /// the boot-race self-heal path calls this once the background retry brings\r\n    /// the net endpoint up, after which the dispatcher + peer pump are spawned.\r\n    /// Idempotent by `OnceLock` — a second attach is a no-op returning `false`\r\n    /// (the first host wins); the hot read path (`net()`) never blocks on it.\r\n    // [impl->REQ-DAEMON-9]\r\n    pub fn attach_net(&self, host: NetHost) -> bool {\r\n        self.net.set(host).is_ok()\r\n    }\r\n\r\n    /// The broker-owned exactly-once anchor (for introspection / tests).\r\n    pub fn journal(&self) -> &Arc<EffectJournal> {\r\n        &self.journal\r\n    }\r\n\r\n    /// The broker-owned network host, if one is attached (at bind or via the\r\n    /// REQ-DAEMON-9 self-heal `attach_net`). Lock-free.\r\n    pub fn net(&self) -> Option<&NetHost> {\r\n        self.net.get()\r\n    }\r\n\r\n    /// Accept connections forever, handling each on its own thread. The broker\r\n    /// is the long-lived process; this is its main loop. Per-connection\r\n    /// threading is half the KH 7.4 isolation stance: one brain's blocking\r\n    /// dispatch can never stall another's (the per-session half is\r\n    /// [`Broker::dispatch_spawn`]'s drain/waiter threads).\r\n    // [impl->REQ-HAZARD-DAEMON-SCHED-NONBLOCKING]\r\n    pub fn serve(self: &Arc<Self>) -> io::Result<()> {\r\n        loop {\r\n            let conn = self.listener.accept()?;\r\n            // C1 graceful stop: [`Broker::stop`] raises the latch then dials the\r\n            // throwaway connection that woke this accept — observe it and return so the\r\n            // serve thread (and, with it, the listener) tears down instead of leaking.\r\n            if self.stop.load(Ordering::Acquire) {\r\n                return Ok(());\r\n            }\r\n            let me = Arc::clone(self);\r\n            thread::spawn(move || {\r\n                let _ = me.handle_conn(conn);\r\n            });\r\n        }\r\n    }\r\n\r\n    /// Gracefully stop the [`serve`](Self::serve) accept loop: raise the latch, then\r\n    /// dial one throwaway connection so the blocked `accept()` wakes, observes the\r\n    /// latch, and returns (dropping the listener). Best-effort + idempotent — a second\r\n    /// call, or a call after the loop already exited, just fails the dial harmlessly.\r\n    /// Fills the honest gap that `serve` is otherwise unstoppable (the leaked-serve\r\n    /// load that starved the seed stop barrier — REQ-HAZARD-DAEMON-STOP-BARRIER).\r\n    // [impl->REQ-HAZARD-DAEMON-STOP-BARRIER]\r\n    pub fn stop(&self) {\r\n        self.stop.store(true, Ordering::Release);\r\n        let _ = LocalSocketTransport::connect(&self.name);\r\n    }\r\n\r\n    /// Accept exactly one connection and handle it on a spawned thread, returning\r\n    /// that thread's handle. The single-brain entry point the tests exercise.\r\n    pub fn serve_once(self: &Arc<Self>) -> io::Result<JoinHandle<()>> {\r\n        let conn = self.listener.accept()?;\r\n        let me = Arc::clone(self);\r\n        Ok(thread::spawn(move || {\r\n            let _ = me.handle_conn(conn);\r\n        }))\r\n    }\r\n\r\n    /// Number of currently hosted sessions (for tests / introspection).\r\n    pub fn session_count(&self) -> usize {\r\n        recover(&self.sessions).len()\r\n    }\r\n\r\n    /// The live **resident adapter children** (translation binaries) for\r\n    /// `endpoint` — the processes a live adapter update (W3d) stops and restarts\r\n    /// so the install dir's locked binaries free up. The broker `sessions` map IS\r\n    /// the per-endpoint resident registry (W3a, ADR-0025): each `HostedSession`\r\n    /// already carries its `endpoint` + lifecycle-managed `translation` child.\r\n    // [impl->REQ-ADAPTER-LIVE-UPDATE]\r\n    #[allow(dead_code)] // consumed by W3d `dispatch_adapter_apply` (next sub-commit)\r\n    fn resident_translations_for_endpoint(&self, endpoint: &str) -> Vec<Arc<Translation>> {\r\n        let map = recover(&self.sessions);\r\n        map.values()\r\n            .filter(|s| s.endpoint == endpoint)\r\n            .filter_map(|s| s.translation.clone())\r\n            .collect()\r","truncated":true,"truncatedBy":"lines","totalLines":3250,"totalBytes":9113,"outputLines":195,"outputBytes":9113,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"fn pair_fail_frame(fail: &crate::pairhost::JoinFail) -> Envelope {\n    use crate::pairhost::JoinFail;\r\n    let (class, retry) = match fail {\r\n        JoinFail::NoSeedHolder(_) => (\"no-seed-holder\", None),\r\n        JoinFail::WrongCode => (\"wrong-code\", None),\r\n        JoinFail::RateLimited(retry) => (\"rate-limited\", *retry),\r\n        JoinFail::UnknownSubnet(_) => (\"unknown-subnet\", None),\r\n        JoinFail::ClockSkew => (\"clock-skew\", None),\r\n        JoinFail::Other(_) => (\"other\", None),\r\n    };\r\n    Envelope::new(\r\n        KIND_PAIR_JOINED,\r\n        serde_json::to_value(PairJoinReply {\r\n            ok: false,\r\n            class: Some(class.to_string()),\r\n            retry_after_secs: retry,\r\n            detail: fail.to_string(),\r\n        })\r\n        .expect(\"PairJoinReply serializes\"),\r\n    )\r\n}\r\n\r\n/// The distinct `(endpoint, install_dir)` pairs whose session runs `adapter`,\r\n/// from per-session `(endpoint, adapter, install_dir)` rows. Sessions with no\r\n/// recorded install dir are dropped (a live update needs a target). Pure (no\r\n/// lock, no I/O) so the live-update endpoint-selection is unit-testable without\r\n/// constructing real `HostedSession`s. (W3a, ADR-0025)\r\n// [impl->REQ-ADAPTER-LIVE-UPDATE]\r\nfn select_endpoints_running_adapter(\r\n    rows: impl IntoIterator<Item = (String, String, Option<std::path::PathBuf>)>,\r\n    adapter: &str,\r\n) -> Vec<(String, std::path::PathBuf)> {\r\n    let mut out: Vec<(String, std::path::PathBuf)> = rows\r\n        .into_iter()\r\n        .filter_map(|(endpoint, adp, dir)| {\r\n            // Parent-match: a profile-composite `<adapter>:<profile>` session belongs\r\n            // to the update's parent record name (F015B — no exact-match skew).\r\n            spt_runtime::profile::adapter_parent_matches(&adp, adapter)\r\n                .then_some(dir.map(|d| (endpoint, d)))?\r\n        })\r\n        .collect();\r\n    out.sort();\r\n    out.dedup();\r\n    out\r\n}\r\n\r\nimpl Broker {\r\n    /// Bind the broker's listening endpoint at the namespaced `name`, with the\r\n    /// effect journal at the default path (`<spt_home>/daemon-effects.log`).\r\n    pub fn bind(name: &str) -> io::Result<Arc<Self>> {\r\n        Self::bind_in(name, default_journal_path())\r\n    }\r\n\r\n    /// Bind with an explicit effect-journal path — the testable seam (tests point\r\n    /// the broker-owned anchor at a temp file rather than the shared home).\r\n    pub fn bind_in(name: &str, journal_path: std::path::PathBuf) -> io::Result<Arc<Self>> {\r\n        Self::bind_in_with_net(name, journal_path, None)\r\n    }\r\n\r\n    /// Bind with an already-started broker-owned network host (D4a). Taking the\r\n    /// host (not its config) keeps a net bind failure separable from a listener\r\n    /// bind failure — the daemon degrades to a net-less broker rather than\r\n    /// losing PTY hosting (see `Daemon::run`).\r\n    // [impl->REQ-DAEMON-2]\r\n    pub fn bind_in_with_net(\r\n        name: &str,\r\n        journal_path: std::path::PathBuf,\r\n        net: Option<NetHost>,\r\n    ) -> io::Result<Arc<Self>> {\r\n        Self::bind_in_with_net_cap(name, journal_path, net, DEFAULT_LOG_CHUNKS)\r\n    }\r\n\r\n    /// [`bind_in_with_net`](Self::bind_in_with_net) with an explicit output-log\r\n    /// ring cap (the per-session eviction bound). Production binds at\r\n    /// [`DEFAULT_LOG_CHUNKS`]; the restoration D4-2 resume harness binds a **tiny**\r\n    /// cap to force ring eviction and exercise the post-eviction floor clamp (a\r\n    /// `resume_seq` below the surviving ring floor must resume forward, losing only\r\n    /// the evicted tail — never gap-erroring the live stream).\r\n    pub fn bind_in_with_net_cap(\r\n        name: &str,\r\n        journal_path: std::path::PathBuf,\r\n        net: Option<NetHost>,\r\n        log_cap_chunks: usize,\r\n    ) -> io::Result<Arc<Self>> {\r\n        let net_cell = std::sync::OnceLock::new();\r\n        if let Some(host) = net {\r\n            let _ = net_cell.set(host);\r\n        }\r\n        Ok(Arc::new(Broker {\r\n            listener: LocalSocketTransport::bind(name)?,\r\n            name: name.to_string(),\r\n            stop: AtomicBool::new(false),\r\n            sessions: Arc::new(Mutex::new(HashMap::new())),\r\n            next_id: AtomicU64::new(1),\r\n            log_cap_chunks,\r\n            journal: Arc::new(EffectJournal::open(journal_path)?),\r\n            net: net_cell,\r\n            brain_restart: std::sync::OnceLock::new(),\r\n            pair_holds: Mutex::new(HashMap::new()),\r\n            wake_inflight: Mutex::new(HashSet::new()),\r\n        }))\r\n    }\r\n\r\n    /// Wire the brain supervisor's planned-restart signal (ADR-0018 D3-3) so the\r\n    /// `KIND_BRAIN_RESTART` verb can drive a real brain-process restart. Called\r\n    /// once by `Daemon::run` after spawning the supervisor; idempotent by\r\n    /// `OnceLock` (the first wins). A broker without it accepts the verb but\r\n    /// reports `honored: false` (no supervisor to respawn the child).\r\n    // [impl->REQ-HAZARD-BROKER-PROCESS-ISOLATION]\r\n    pub fn set_brain_restart(&self, signal: Arc<crate::brainproc::BrainRestart>) -> bool {\r\n        self.brain_restart.set(signal).is_ok()\r\n    }\r\n\r\n    /// Attach a network host to a broker that was bound net-less (REQ-DAEMON-9):\r\n    /// the boot-race self-heal path calls this once the background retry brings\r\n    /// the net endpoint up, after which the dispatcher + peer pump are spawned.\r\n    /// Idempotent by `OnceLock` — a second attach is a no-op returning `false`\r\n    /// (the first host wins); the hot read path (`net()`) never blocks on it.\r\n    // [impl->REQ-DAEMON-9]\r\n    pub fn attach_net(&self, host: NetHost) -> bool {\r\n        self.net.set(host).is_ok()\r\n    }\r\n\r\n    /// The broker-owned exactly-once anchor (for introspection / tests).\r\n    pub fn journal(&self) -> &Arc<EffectJournal> {\r\n        &self.journal\r\n    }\r\n\r\n    /// The broker-owned network host, if one is attached (at bind or via the\r\n    /// REQ-DAEMON-9 self-heal `attach_net`). Lock-free.\r\n    pub fn net(&self) -> Option<&NetHost> {\r\n        self.net.get()\r\n    }\r\n\r\n    /// Accept connections forever, handling each on its own thread. The broker\r\n    /// is the long-lived process; this is its main loop. Per-connection\r\n    /// threading is half the KH 7.4 isolation stance: one brain's blocking\r\n    /// dispatch can never stall another's (the per-session half is\r\n    /// [`Broker::dispatch_spawn`]'s drain/waiter threads).\r\n    // [impl->REQ-HAZARD-DAEMON-SCHED-NONBLOCKING]\r\n    pub fn serve(self: &Arc<Self>) -> io::Result<()> {\r\n        loop {\r\n            let conn = self.listener.accept()?;\r\n            // C1 graceful stop: [`Broker::stop`] raises the latch then dials the\r\n            // throwaway connection that woke this accept — observe it and return so the\r\n            // serve thread (and, with it, the listener) tears down instead of leaking.\r\n            if self.stop.load(Ordering::Acquire) {\r\n                return Ok(());\r\n            }\r\n            let me = Arc::clone(self);\r\n            thread::spawn(move || {\r\n                let _ = me.handle_conn(conn);\r\n            });\r\n        }\r\n    }\r\n\r\n    /// Gracefully stop the [`serve`](Self::serve) accept loop: raise the latch, then\r\n    /// dial one throwaway connection so the blocked `accept()` wakes, observes the\r\n    /// latch, and returns (dropping the listener). Best-effort + idempotent — a second\r\n    /// call, or a call after the loop already exited, just fails the dial harmlessly.\r\n    /// Fills the honest gap that `serve` is otherwise unstoppable (the leaked-serve\r\n    /// load that starved the seed stop barrier — REQ-HAZARD-DAEMON-STOP-BARRIER).\r\n    // [impl->REQ-HAZARD-DAEMON-STOP-BARRIER]\r\n    pub fn stop(&self) {\r\n        self.stop.store(true, Ordering::Release);\r\n        let _ = LocalSocketTransport::connect(&self.name);\r\n    }\r\n\r\n    /// Accept exactly one connection and handle it on a spawned thread, returning\r\n    /// that thread's handle. The single-brain entry point the tests exercise.\r\n    pub fn serve_once(self: &Arc<Self>) -> io::Result<JoinHandle<()>> {\r\n        let conn = self.listener.accept()?;\r\n        let me = Arc::clone(self);\r\n        Ok(thread::spawn(move || {\r\n            let _ = me.handle_conn(conn);\r\n        }))\r\n    }\r\n\r\n    /// Number of currently hosted sessions (for tests / introspection).\r\n    pub fn session_count(&self) -> usize {\r\n        recover(&self.sessions).len()\r\n    }\r\n\r\n    /// The live **resident adapter children** (translation binaries) for\r\n    /// `endpoint` — the processes a live adapter update (W3d) stops and restarts\r\n    /// so the install dir's locked binaries free up. The broker `sessions` map IS\r\n    /// the per-endpoint resident registry (W3a, ADR-0025): each `HostedSession`\r\n    /// already carries its `endpoint` + lifecycle-managed `translation` child.\r\n    // [impl->REQ-ADAPTER-LIVE-UPDATE]\r\n    #[allow(dead_code)] // consumed by W3d `dispatch_adapter_apply` (next sub-commit)\r\n    fn resident_translations_for_endpoint(&self, endpoint: &str) -> Vec<Arc<Translation>> {\r\n        let map = recover(&self.sessions);\r\n        map.values()\r\n            .filter(|s| s.endpoint == endpoint)\r\n            .filter_map(|s| s.translation.clone())\r\n            .collect()\r\n    }\n…\n}","startLine":2468,"lineNumbers":[2468,2469,2470,2471,2472,2473,2474,2475,2476,2477,2478,2479,2480,2481,2482,2483,2484,2485,2486,2487,2488,2489,2490,2491,2492,2493,2494,2495,2496,2497,2498,2499,2500,2501,2502,2503,2504,2505,2506,2507,2508,2509,2510,2511,2512,2513,2514,2515,2516,2517,2518,2519,2520,2521,2522,2523,2524,2525,2526,2527,2528,2529,2530,2531,2532,2533,2534,2535,2536,2537,2538,2539,2540,2541,2542,2543,2544,2545,2546,2547,2548,2549,2550,2551,2552,2553,2554,2555,2556,2557,2558,2559,2560,2561,2562,2563,2564,2565,2566,2567,2568,2569,2570,2571,2572,2573,2574,2575,2576,2577,2578,2579,2580,2581,2582,2583,2584,2585,2586,2587,2588,2589,2590,2591,2592,2593,2594,2595,2596,2597,2598,2599,2600,2601,2602,2603,2604,2605,2606,2607,2608,2609,2610,2611,2612,2613,2614,2615,2616,2617,2618,2619,2620,2621,2622,2623,2624,2625,2626,2627,2628,2629,2630,2631,2632,2633,2634,2635,2636,2637,2638,2639,2640,2641,2642,2643,2644,2645,2646,2647,2648,2649,2650,2651,2652,2653,2654,2655,2656,2657,2658,2659,2660,2661,2662,2663,2664,null,4177]},"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":5718,"totalBytes":9113,"outputLines":195,"outputBytes":9113,"shownRange":{"start":2469,"end":2663},"nextOffset":2664}}},"isError":false,"timestamp":1783657557451}}
{"type":"message","id":"e47415b4","parentId":"b947e41e","timestamp":"2026-07-10T04:25:57.487Z","message":{"role":"toolResult","toolCallId":"call_jrei4UR0AmdhEi1sscI7olnz|fc_0ec86a6c795d74b7016a5074554ac48195bfed7a2ae6120c5d","toolName":"read","content":[{"type":"text","text":"[broker.rs#1F25]\n5040:    fn supervised_worker_panic_faults_and_reaps_child() {\n…\n5073:        let dead = {\n…\n5084:        };\n5085:        // Safety net so a red run never leaks the child on the shared runner.\n5086:        if !dead {\n5087:            spt_store::proc::kill_pid(pid);\n5088:        }\n5089:        assert!(\n5090:            dead,\n5091:            \"the panicked worker's child is REAPED, not orphaned (no live pid + worker-gone)\"\n5092:        );\n5093:    }\n5094:\n5095:    /// Exactly-once enqueue under the journal: `apply_once((sid,op), PtyWrite, enqueue)`\n5096:    /// runs the enqueue effect once; a REPLAY of the SAME key dedups (does NOT enqueue\n5097:    /// again). Both outcomes ack (\"accepted + ordered\"). We assert the writer received\n5098:    /// the bytes EXACTLY ONCE by counting records drained from the real FIFO. This is\n5099:    /// the broker-side wiring of the `effect.rs` ephemeral-PtyWrite dedup\n5100:    /// (PtyWrite reserve → enqueue → Applied) — order + exactly-once preserved.\n5101:    // [unit->REQ-HAZARD-PTY-INPUT-WRITER-WEDGE]\n5102:    #[test]\n5103:    fn apply_once_enqueues_ptywrite_exactly_once_and_dedups_replay() {\n5104:        use crate::effect::{EffectJournal, EffectKey, EffectKind, Minter, Outcome};\n5105:\n5106:        let dir = tempfile::tempdir().unwrap();\n5107:        let journal = EffectJournal::open(dir.path().join(\"effects.log\")).unwrap();\n5108:        let (w, rx) = test_input_writer(16);\n5109:        let key = EffectKey {\n5110:            class: 1,\n5111:            minter: Minter::Rc,\n5112:            op: 1,\n5113:        };\n5114:        let bytes = b\"paste-burst\".to_vec();\n5115:\n5116:        // First apply: the PtyWrite effect = the non-blocking enqueue → Applied.\n5117:        let o1 = journal\n5118:            .apply_once(key, EffectKind::PtyWrite, || {\n5119:                w.enqueue(bytes.clone());\n5120:                Ok(())\n5121:            })\n5122:            .unwrap();\n5123:        // Replay the SAME key (a re-driven op / a dup op_id): must DEDUP — the\n5124:        // enqueue effect must NOT run again (no double keystroke landing on the PTY).\n5125:        let o2 = journal\n5126:            .apply_once(key, EffectKind::PtyWrite, || {\n5127:                w.enqueue(bytes.clone());\n5128:                Ok(())\n5129:            })\n5130:            .unwrap();\n5131:\n5132:        assert_eq!(o1, Outcome::Applied, \"the first PtyWrite enqueue applies\");\n5133:        assert_eq!(\n5134:            o2,\n5135:            Outcome::Deduped,\n5136:            \"a replay of the same key is deduped — the enqueue effect does not re-run\"\n5137:        );\n5138:\n5139:        // Drain the FIFO: the bytes were enqueued EXACTLY ONCE despite two apply_once\n5140:        // calls (a re-driven keystroke must not double-type into the paste).\n5141:        drop(w);\n5142:        let drained: Vec<Vec<u8>> = std::iter::from_fn(|| rx.recv().ok()).collect();\n5143:        assert_eq!(\n5144:            drained,\n5145:            vec![bytes],\n5146:            \"the writer received the PtyWrite bytes exactly once across the apply + \\\n5147:             the deduped replay (exactly-once preserved at enqueue — \\\n5148:             REQ-HAZARD-PTY-INPUT-WRITER-WEDGE)\"\n5149:        );\n5150:    }\n\n[Showing lines 5084-5148 of 5718. Use :5149 to continue]"}],"details":{"truncation":{"content":"        };\r\n        // Safety net so a red run never leaks the child on the shared runner.\r\n        if !dead {\r\n            spt_store::proc::kill_pid(pid);\r\n        }\r\n        assert!(\r\n            dead,\r\n            \"the panicked worker's child is REAPED, not orphaned (no live pid + worker-gone)\"\r\n        );\r\n    }\r\n\r\n    /// Exactly-once enqueue under the journal: `apply_once((sid,op), PtyWrite, enqueue)`\r\n    /// runs the enqueue effect once; a REPLAY of the SAME key dedups (does NOT enqueue\r\n    /// again). Both outcomes ack (\"accepted + ordered\"). We assert the writer received\r\n    /// the bytes EXACTLY ONCE by counting records drained from the real FIFO. This is\r\n    /// the broker-side wiring of the `effect.rs` ephemeral-PtyWrite dedup\r\n    /// (PtyWrite reserve → enqueue → Applied) — order + exactly-once preserved.\r\n    // [unit->REQ-HAZARD-PTY-INPUT-WRITER-WEDGE]\r\n    #[test]\r\n    fn apply_once_enqueues_ptywrite_exactly_once_and_dedups_replay() {\r\n        use crate::effect::{EffectJournal, EffectKey, EffectKind, Minter, Outcome};\r\n\r\n        let dir = tempfile::tempdir().unwrap();\r\n        let journal = EffectJournal::open(dir.path().join(\"effects.log\")).unwrap();\r\n        let (w, rx) = test_input_writer(16);\r\n        let key = EffectKey {\r\n            class: 1,\r\n            minter: Minter::Rc,\r\n            op: 1,\r\n        };\r\n        let bytes = b\"paste-burst\".to_vec();\r\n\r\n        // First apply: the PtyWrite effect = the non-blocking enqueue → Applied.\r\n        let o1 = journal\r\n            .apply_once(key, EffectKind::PtyWrite, || {\r\n                w.enqueue(bytes.clone());\r\n                Ok(())\r\n            })\r\n            .unwrap();\r\n        // Replay the SAME key (a re-driven op / a dup op_id): must DEDUP — the\r\n        // enqueue effect must NOT run again (no double keystroke landing on the PTY).\r\n        let o2 = journal\r\n            .apply_once(key, EffectKind::PtyWrite, || {\r\n                w.enqueue(bytes.clone());\r\n                Ok(())\r\n            })\r\n            .unwrap();\r\n\r\n        assert_eq!(o1, Outcome::Applied, \"the first PtyWrite enqueue applies\");\r\n        assert_eq!(\r\n            o2,\r\n            Outcome::Deduped,\r\n            \"a replay of the same key is deduped — the enqueue effect does not re-run\"\r\n        );\r\n\r\n        // Drain the FIFO: the bytes were enqueued EXACTLY ONCE despite two apply_once\r\n        // calls (a re-driven keystroke must not double-type into the paste).\r\n        drop(w);\r\n        let drained: Vec<Vec<u8>> = std::iter::from_fn(|| rx.recv().ok()).collect();\r\n        assert_eq!(\r\n            drained,\r\n            vec![bytes],\r\n            \"the writer received the PtyWrite bytes exactly once across the apply + \\\r\n             the deduped replay (exactly-once preserved at enqueue — \\\r\n             REQ-HAZARD-PTY-INPUT-WRITER-WEDGE)\"\r","truncated":true,"truncatedBy":"lines","totalLines":635,"totalBytes":2853,"outputLines":65,"outputBytes":2853,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"    fn supervised_worker_panic_faults_and_reaps_child() {\n…\n        let dead = {\n…\n        };\r\n        // Safety net so a red run never leaks the child on the shared runner.\r\n        if !dead {\r\n            spt_store::proc::kill_pid(pid);\r\n        }\r\n        assert!(\r\n            dead,\r\n            \"the panicked worker's child is REAPED, not orphaned (no live pid + worker-gone)\"\r\n        );\r\n    }\r\n\r\n    /// Exactly-once enqueue under the journal: `apply_once((sid,op), PtyWrite, enqueue)`\r\n    /// runs the enqueue effect once; a REPLAY of the SAME key dedups (does NOT enqueue\r\n    /// again). Both outcomes ack (\"accepted + ordered\"). We assert the writer received\r\n    /// the bytes EXACTLY ONCE by counting records drained from the real FIFO. This is\r\n    /// the broker-side wiring of the `effect.rs` ephemeral-PtyWrite dedup\r\n    /// (PtyWrite reserve → enqueue → Applied) — order + exactly-once preserved.\r\n    // [unit->REQ-HAZARD-PTY-INPUT-WRITER-WEDGE]\r\n    #[test]\r\n    fn apply_once_enqueues_ptywrite_exactly_once_and_dedups_replay() {\r\n        use crate::effect::{EffectJournal, EffectKey, EffectKind, Minter, Outcome};\r\n\r\n        let dir = tempfile::tempdir().unwrap();\r\n        let journal = EffectJournal::open(dir.path().join(\"effects.log\")).unwrap();\r\n        let (w, rx) = test_input_writer(16);\r\n        let key = EffectKey {\r\n            class: 1,\r\n            minter: Minter::Rc,\r\n            op: 1,\r\n        };\r\n        let bytes = b\"paste-burst\".to_vec();\r\n\r\n        // First apply: the PtyWrite effect = the non-blocking enqueue → Applied.\r\n        let o1 = journal\r\n            .apply_once(key, EffectKind::PtyWrite, || {\r\n                w.enqueue(bytes.clone());\r\n                Ok(())\r\n            })\r\n            .unwrap();\r\n        // Replay the SAME key (a re-driven op / a dup op_id): must DEDUP — the\r\n        // enqueue effect must NOT run again (no double keystroke landing on the PTY).\r\n        let o2 = journal\r\n            .apply_once(key, EffectKind::PtyWrite, || {\r\n                w.enqueue(bytes.clone());\r\n                Ok(())\r\n            })\r\n            .unwrap();\r\n\r\n        assert_eq!(o1, Outcome::Applied, \"the first PtyWrite enqueue applies\");\r\n        assert_eq!(\r\n            o2,\r\n            Outcome::Deduped,\r\n            \"a replay of the same key is deduped — the enqueue effect does not re-run\"\r\n        );\r\n\r\n        // Drain the FIFO: the bytes were enqueued EXACTLY ONCE despite two apply_once\r\n        // calls (a re-driven keystroke must not double-type into the paste).\r\n        drop(w);\r\n        let drained: Vec<Vec<u8>> = std::iter::from_fn(|| rx.recv().ok()).collect();\r\n        assert_eq!(\r\n            drained,\r\n            vec![bytes],\r\n            \"the writer received the PtyWrite bytes exactly once across the apply + \\\r\n             the deduped replay (exactly-once preserved at enqueue — \\\r\n             REQ-HAZARD-PTY-INPUT-WRITER-WEDGE)\"\r\n        );\n    }","startLine":5040,"lineNumbers":[5040,null,5073,null,5084,5085,5086,5087,5088,5089,5090,5091,5092,5093,5094,5095,5096,5097,5098,5099,5100,5101,5102,5103,5104,5105,5106,5107,5108,5109,5110,5111,5112,5113,5114,5115,5116,5117,5118,5119,5120,5121,5122,5123,5124,5125,5126,5127,5128,5129,5130,5131,5132,5133,5134,5135,5136,5137,5138,5139,5140,5141,5142,5143,5144,5145,5146,5147,5148,5149,5150]},"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":5718,"totalBytes":2853,"outputLines":65,"outputBytes":2853,"shownRange":{"start":5084,"end":5148},"nextOffset":5149}}},"isError":false,"timestamp":1783657557487}}
{"type":"message","id":"dbee77d7","parentId":"e47415b4","timestamp":"2026-07-10T04:25:57.521Z","message":{"role":"toolResult","toolCallId":"call_Wj3n5S5jaqkCYY3kJRkdGZDm|fc_0ec86a6c795d74b7016a5074554ad8819590a25bcb3d09e897","toolName":"read","content":[{"type":"text","text":"[broker.rs#1F25]\n5534:    // dead spawn) — proceeds (Claim).\n5535:    #[test]\n5536:    fn wake_gate_decision_truth_table() {\n5537:        use WakeGate::*;\n5538:        // Already live → dedup, whatever the claim / deadline state.\n5539:        assert_eq!(wake_gate_decision(true, false, false), AlreadyLive);\n5540:        assert_eq!(wake_gate_decision(true, true, false), AlreadyLive);\n5541:        assert_eq!(wake_gate_decision(true, true, true), AlreadyLive);\n5542:        // Not live, a racer holds the claim, window still open → stand down (dedup).\n5543:        assert_eq!(wake_gate_decision(false, true, false), Racing);\n5544:        // Not live, claim overran the window (leaked) → take over rather than strand.\n5545:        assert_eq!(wake_gate_decision(false, true, true), Claim);\n5546:        // Not live, unclaimed → claim + spawn (both inside + past the window).\n5547:        assert_eq!(wake_gate_decision(false, false, false), Claim);\n5548:        assert_eq!(wake_gate_decision(false, false, true), Claim);\n5549:    }\n5550:\n5551:    // [unit->REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE] the take/reattach self-heal: a\n5552:    // DIFFERENT remote attaching to a session whose incumbent controller is WEDGED on\n5553:    // a suspended brain conn evicts the incumbent and takes control (broker-side, no\n5554:    // brain round-trip). RED pre-fix: the incumbent is present → Control busy-refuses\n5555:    // and the wedged `driven_by` never releases. The evict is tallied for the\n5556:    // daemon-status observability rider.\n5557:    #[test]\n5558:    fn stalled_incumbent_is_evicted_on_reattach_and_control_released() {\n5559:        let mut log = OutputLog::new(1, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\n5560:        seed_controller_with_block(&mut log, Some(\"incumbent\"), Some(wedged_since()));\n5561:        let before = STALL_EVICT_COUNT.load(Ordering::Relaxed);\n5562:\n5563:        let (nsend, _nc, _nr) = controller_socket_pair();\n5564:        let outcome =\n5565:            log.resolve_subscribe(nsend, 0, AttachIntent::Control, Some(\"newcomer\".to_string()));\n5566:\n5567:        assert_eq!(\n5568:            outcome,\n5569:            SubscribeOutcome::Controller,\n5570:            \"the wedged incumbent is stall-evicted → the newcomer takes the free slot\"\n5571:        );\n5572:        assert_eq!(log.controller_by(), Some(\"newcomer\"));\n5573:        assert!(\n5574:            STALL_EVICT_COUNT.load(Ordering::Relaxed) > before,\n5575:            \"the stall-evict is tallied (daemon-status observability)\"\n5576:        );\n5577:        log.controller = None;\n5578:    }\n5579:\n5580:    // [unit->REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE] the KIND_SESSIONS reap catches a\n5581:    // BLOCKED (not exited) writer too: a controller whose writer is parked-but-wedged\n5582:    // past the deadline is reaped so the off-lock converge clears its stale driven_by\n5583:    // even when nobody take/reattaches. Pre-W2 reap only caught an EXITED writer, so a\n5584:    // suspended-brain controller latched forever.\n5585:    #[test]\n5586:    fn reap_evicts_a_blocked_writer_not_only_an_exited_one() {\n5587:        let mut log = OutputLog::new(1, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\n5588:        seed_controller_with_block(&mut log, Some(\"wedged\"), Some(wedged_since()));\n…\n5595:    }\n\n[Showing lines 5534-5588 of 5718. Use :5589 to continue]"}],"details":{"truncation":{"content":"    // dead spawn) — proceeds (Claim).\r\n    #[test]\r\n    fn wake_gate_decision_truth_table() {\r\n        use WakeGate::*;\r\n        // Already live → dedup, whatever the claim / deadline state.\r\n        assert_eq!(wake_gate_decision(true, false, false), AlreadyLive);\r\n        assert_eq!(wake_gate_decision(true, true, false), AlreadyLive);\r\n        assert_eq!(wake_gate_decision(true, true, true), AlreadyLive);\r\n        // Not live, a racer holds the claim, window still open → stand down (dedup).\r\n        assert_eq!(wake_gate_decision(false, true, false), Racing);\r\n        // Not live, claim overran the window (leaked) → take over rather than strand.\r\n        assert_eq!(wake_gate_decision(false, true, true), Claim);\r\n        // Not live, unclaimed → claim + spawn (both inside + past the window).\r\n        assert_eq!(wake_gate_decision(false, false, false), Claim);\r\n        assert_eq!(wake_gate_decision(false, false, true), Claim);\r\n    }\r\n\r\n    // [unit->REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE] the take/reattach self-heal: a\r\n    // DIFFERENT remote attaching to a session whose incumbent controller is WEDGED on\r\n    // a suspended brain conn evicts the incumbent and takes control (broker-side, no\r\n    // brain round-trip). RED pre-fix: the incumbent is present → Control busy-refuses\r\n    // and the wedged `driven_by` never releases. The evict is tallied for the\r\n    // daemon-status observability rider.\r\n    #[test]\r\n    fn stalled_incumbent_is_evicted_on_reattach_and_control_released() {\r\n        let mut log = OutputLog::new(1, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\r\n        seed_controller_with_block(&mut log, Some(\"incumbent\"), Some(wedged_since()));\r\n        let before = STALL_EVICT_COUNT.load(Ordering::Relaxed);\r\n\r\n        let (nsend, _nc, _nr) = controller_socket_pair();\r\n        let outcome =\r\n            log.resolve_subscribe(nsend, 0, AttachIntent::Control, Some(\"newcomer\".to_string()));\r\n\r\n        assert_eq!(\r\n            outcome,\r\n            SubscribeOutcome::Controller,\r\n            \"the wedged incumbent is stall-evicted → the newcomer takes the free slot\"\r\n        );\r\n        assert_eq!(log.controller_by(), Some(\"newcomer\"));\r\n        assert!(\r\n            STALL_EVICT_COUNT.load(Ordering::Relaxed) > before,\r\n            \"the stall-evict is tallied (daemon-status observability)\"\r\n        );\r\n        log.controller = None;\r\n    }\r\n\r\n    // [unit->REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE] the KIND_SESSIONS reap catches a\r\n    // BLOCKED (not exited) writer too: a controller whose writer is parked-but-wedged\r\n    // past the deadline is reaped so the off-lock converge clears its stale driven_by\r\n    // even when nobody take/reattaches. Pre-W2 reap only caught an EXITED writer, so a\r\n    // suspended-brain controller latched forever.\r\n    #[test]\r\n    fn reap_evicts_a_blocked_writer_not_only_an_exited_one() {\r\n        let mut log = OutputLog::new(1, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\r\n        seed_controller_with_block(&mut log, Some(\"wedged\"), Some(wedged_since()));\r","truncated":true,"truncatedBy":"lines","totalLines":185,"totalBytes":3057,"outputLines":55,"outputBytes":3057,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"    // dead spawn) — proceeds (Claim).\r\n    #[test]\r\n    fn wake_gate_decision_truth_table() {\r\n        use WakeGate::*;\r\n        // Already live → dedup, whatever the claim / deadline state.\r\n        assert_eq!(wake_gate_decision(true, false, false), AlreadyLive);\r\n        assert_eq!(wake_gate_decision(true, true, false), AlreadyLive);\r\n        assert_eq!(wake_gate_decision(true, true, true), AlreadyLive);\r\n        // Not live, a racer holds the claim, window still open → stand down (dedup).\r\n        assert_eq!(wake_gate_decision(false, true, false), Racing);\r\n        // Not live, claim overran the window (leaked) → take over rather than strand.\r\n        assert_eq!(wake_gate_decision(false, true, true), Claim);\r\n        // Not live, unclaimed → claim + spawn (both inside + past the window).\r\n        assert_eq!(wake_gate_decision(false, false, false), Claim);\r\n        assert_eq!(wake_gate_decision(false, false, true), Claim);\r\n    }\r\n\r\n    // [unit->REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE] the take/reattach self-heal: a\r\n    // DIFFERENT remote attaching to a session whose incumbent controller is WEDGED on\r\n    // a suspended brain conn evicts the incumbent and takes control (broker-side, no\r\n    // brain round-trip). RED pre-fix: the incumbent is present → Control busy-refuses\r\n    // and the wedged `driven_by` never releases. The evict is tallied for the\r\n    // daemon-status observability rider.\r\n    #[test]\r\n    fn stalled_incumbent_is_evicted_on_reattach_and_control_released() {\r\n        let mut log = OutputLog::new(1, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\r\n        seed_controller_with_block(&mut log, Some(\"incumbent\"), Some(wedged_since()));\r\n        let before = STALL_EVICT_COUNT.load(Ordering::Relaxed);\r\n\r\n        let (nsend, _nc, _nr) = controller_socket_pair();\r\n        let outcome =\r\n            log.resolve_subscribe(nsend, 0, AttachIntent::Control, Some(\"newcomer\".to_string()));\r\n\r\n        assert_eq!(\r\n            outcome,\r\n            SubscribeOutcome::Controller,\r\n            \"the wedged incumbent is stall-evicted → the newcomer takes the free slot\"\r\n        );\r\n        assert_eq!(log.controller_by(), Some(\"newcomer\"));\r\n        assert!(\r\n            STALL_EVICT_COUNT.load(Ordering::Relaxed) > before,\r\n            \"the stall-evict is tallied (daemon-status observability)\"\r\n        );\r\n        log.controller = None;\r\n    }\r\n\r\n    // [unit->REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE] the KIND_SESSIONS reap catches a\r\n    // BLOCKED (not exited) writer too: a controller whose writer is parked-but-wedged\r\n    // past the deadline is reaped so the off-lock converge clears its stale driven_by\r\n    // even when nobody take/reattaches. Pre-W2 reap only caught an EXITED writer, so a\r\n    // suspended-brain controller latched forever.\r\n    #[test]\r\n    fn reap_evicts_a_blocked_writer_not_only_an_exited_one() {\r\n        let mut log = OutputLog::new(1, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\r\n        seed_controller_with_block(&mut log, Some(\"wedged\"), Some(wedged_since()));\r\n…\n    }","startLine":5534,"lineNumbers":[5534,5535,5536,5537,5538,5539,5540,5541,5542,5543,5544,5545,5546,5547,5548,5549,5550,5551,5552,5553,5554,5555,5556,5557,5558,5559,5560,5561,5562,5563,5564,5565,5566,5567,5568,5569,5570,5571,5572,5573,5574,5575,5576,5577,5578,5579,5580,5581,5582,5583,5584,5585,5586,5587,5588,null,5595]},"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":5718,"totalBytes":3057,"outputLines":55,"outputBytes":3057,"shownRange":{"start":5534,"end":5588},"nextOffset":5589}}},"isError":false,"timestamp":1783657557521}}
{"type":"message","id":"a11e410e","parentId":"dbee77d7","timestamp":"2026-07-10T04:25:57.553Z","message":{"role":"toolResult","toolCallId":"call_VR2UUSJ36ZzQA1scOhXXAqat|fc_0ec86a6c795d74b7016a5074554acc819580aea6297c503f9f","toolName":"read","content":[{"type":"text","text":"[broker.rs#1F25]\n5219:    /// any frame. The wire shows exactly `[2]` — the current-screen repaint — never\n5220:    /// a stale `[1, ..]` (writer-A's superseded repaint winning the socket first).\n5221:    ///\n5222:    /// DETERMINISM: the test holds `send.lock()` across BOTH `become_controller`\n5223:    /// calls (and the interleaved append), so neither writer thread can acquire the\n5224:    /// socket mutex until after the epoch is bumped. On release, writer-A — whichever\n5225:    /// order it next wins the mutex — reads the already-bumped epoch under the lock\n5226:    /// and returns without writing. Timing-independent (no flake).\n5227:    ///\n5228:    /// RED-on-revert / non-vacuity: writer-A is genuinely poised with a non-empty\n5229:    /// initial batch [repaint@1]; ONLY the in-lock gate stops it. Neuter the\n5230:    /// `if controller_epoch.load(Acquire) != epoch { return; }` inside\n5231:    /// `controller_writer`'s `send.lock()` arm and writer-A flushes its stale\n5232:    /// repaint@1; since both writers serialize on the SAME socket mutex, writer-A's\n5233:    /// seq 1 can win the first slot → the first frame read is `1`, and\n5234:    /// `assert_eq!(seqs, [2])` fails — exactly the `got stale seq` reorder this\n5235:    /// hazard is about.\n5236:    // [unit->REQ-HAZARD-CONTROLLER-WRITER-REORDER]\n5237:    // [unit->REQ-BROKER-SCREEN-GRID]\n5238:    #[test]\n5239:    fn superseded_controller_writer_is_epoch_gated_silent_one_live_writer_per_conn() {\n5240:        let (send, mut client, _recv) = controller_socket_pair();\n5241:        let mut log = OutputLog::new(1, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\n5242:        // Two chunks in the ring (seqs 0,1); the grid now holds their screen state.\n5243:        assert!(\n5244:            log.append(b\"AAAA\").is_none(),\n5245:            \"no controller yet: append seq 0 returns no controller job\"\n5246:        );\n5247:        assert!(\n5248:            log.append(b\"BBBB\").is_none(),\n5249:            \"no controller yet: append seq 1 returns no controller job\"\n5250:        );\n5251:\n5252:        // Pin the socket so NO writer thread can write until both registrations\n5253:        // (and the epoch bump) are done — the determinism lever.\n5254:        let guard = send.lock().expect(\"pin the controller socket\");\n5255:\n5256:        // writer-A: registers at next_seq-1 = 1 → initial = [repaint@1].\n5257:        log.become_controller(Arc::clone(&send), None, 0);\n5258:        // A further chunk advances the grid to a NEW current screen (seq 2). The\n5259:        // handoff to A's (pinned) channel is buffered; A never gets to write it.\n5260:        assert!(\n5261:            log.append(b\"CCCC\").is_none(),\n5262:            \"controller channel buffers seq 2 while the socket is pinned\"\n5263:        );\n5264:        // writer-B: registers at next_seq-1 = 2 → initial = [repaint@2]. Bumps the\n5265:        // epoch; writer-A is superseded. Both writers park on the pinned socket.\n5266:        log.become_controller(Arc::clone(&send), None, 0);\n5267:\n5268:        // Release the socket: the writers race for the mutex. The in-lock gate makes\n5269:        // superseded writer-A bail; only writer-B's current-screen repaint@2 lands.\n5270:        drop(guard);\n5271:\n5272:        let seqs = drain_output_seqs(&mut client, 1);\n5273:        assert_eq!(\n5274:            seqs,\n5275:            vec![2],\n5276:            \"only the surviving writer-B's CURRENT-screen repaint (seq 2) reaches the \\\n5277:             wire — a superseded writer-A flushing its stale repaint@1 would put seq \\\n5278:             1 first (the reorder this hazard guards)\"\n5279:        );\n5280:\n5281:        // No second frame leaks: writer-A is epoch-gated silent, writer-B parks on\n5282:        // its (empty) live channel. A bounded read returns None (not a stale frame).\n5283:        // The safe recv_timeout pattern — never a blocking read that can hang on a\n5284:        // Windows named pipe while a writer still holds its send-half clone.\n5285:        let leaked = try_read_frame(client, Duration::from_millis(400));\n5286:        assert!(\n5287:            leaked.is_none(),\n5288:            \"a superseded writer-A must emit NOTHING; got a leaked frame {leaked:?}\"\n5289:        );\n5290:\n5291:        log.clear_controller();\n5292:        drop(send);\n5293:        drop(log);\n5294:    }\n5295:\n5296:    /// #6 CORE (REQ-BROKER-SCREEN-GRID, ADR-0031), the integrated broker seam:\n5297:    /// drive a session through the REAL `OutputLog` with a scripted byte sequence —\n5298:    /// main-screen scrollback, then an alt-screen enter + a TUI paint — then attach a\n5299:    /// cold controller and read the initial batch off a real socket (drain → grid →\n5300:    /// `render_repaint` → `controller_writer` thread → wire). The initial batch must\n5301:    /// be ONE synthesized clean current-screen repaint, NOT the raw ring replayed\n5302:    /// chunk-by-chunk: it paints the alt viewport, switches the client into the alt\n5303:    /// buffer, and does NOT carry the main-screen scrollback that preceded the\n5304:    /// alt-enter (the exact corruption #6/#7/#8 report on `rc` to a running TUI).\n5305:    // [int->REQ-BROKER-SCREEN-GRID]\n5306:    #[test]\n5307:    fn attach_initial_batch_is_a_clean_alt_screen_repaint_not_the_raw_ring() {\n5308:        let (send, mut client, _recv) = controller_socket_pair();\n5309:        let mut log = OutputLog::new(1, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\n5310:        // The raw ring holds ALL of these chunks; a raw replay would dump the main\n5311:        // scrollback + the alt-enter into a fresh terminal — the #6 corruption.\n5312:        for chunk in [\n5313:            b\"MAIN-SCROLLBACK-ALPHA\\r\\n\".as_slice(),\n5314:            b\"MAIN-SCROLLBACK-BETA\\r\\n\".as_slice(),\n5315:            b\"\\x1b[?1049h\\x1b[2J\\x1b[H\".as_slice(), // enter alt, clear, home\n5316:            b\"\\x1b[1;1HTUI-TITLE\\x1b[3;1Hviewport-body\".as_slice(),\n5317:        ] {\n5318:            assert!(\n5319:                log.append(chunk).is_none(),\n5320:                \"no controller yet: append returns no controller job\"\n5321:            );\n5322:        }\n5323:\n5324:        // Cold controller attach from seq 0.\n5325:        log.become_controller(Arc::clone(&send), None, 0);\n5326:\n5327:        // The initial batch is ONE output frame carrying the synthesized repaint.\n5328:        let frame = read_frame(&mut client).expect(\"a repaint frame on attach\");\n5329:        assert_eq!(frame.kind, crate::msg::KIND_OUTPUT, \"the initial batch is an output frame\");\n5330:        let ev: crate::msg::OutputEvent =\n5331:            serde_json::from_value(frame.payload).expect(\"output payload\");\n5332:        let repaint = decode_bytes(&ev.data_b64).expect(\"repaint b64 decodes\");\n5333:        let s = String::from_utf8_lossy(&repaint);\n5334:\n5335:        assert!(\n5336:            s.contains(\"TUI-TITLE\") && s.contains(\"viewport-body\"),\n5337:            \"the alt-screen viewport is repainted into the initial batch: {s:?}\"\n5338:        );\n5339:        assert!(\n5340:            !s.contains(\"MAIN-SCROLLBACK-ALPHA\") && !s.contains(\"MAIN-SCROLLBACK-BETA\"),\n5341:            \"the raw main-screen scrollback must NOT ride the alt repaint (the #6 \\\n5342:             corruption a raw-ring replay would produce): {s:?}\"\n5343:        );\n5344:        assert!(\n5345:            s.contains(\"\\x1b[?1049h\"),\n5346:            \"the repaint switches the client into the alt buffer so its own scrollback \\\n5347:             is untouched: {s:?}\"\n5348:        );\n…\n5359:    }\n\n[Showing lines 5219-5348 of 5718. Use :5349 to continue]"}],"details":{"truncation":{"content":"    /// any frame. The wire shows exactly `[2]` — the current-screen repaint — never\r\n    /// a stale `[1, ..]` (writer-A's superseded repaint winning the socket first).\r\n    ///\r\n    /// DETERMINISM: the test holds `send.lock()` across BOTH `become_controller`\r\n    /// calls (and the interleaved append), so neither writer thread can acquire the\r\n    /// socket mutex until after the epoch is bumped. On release, writer-A — whichever\r\n    /// order it next wins the mutex — reads the already-bumped epoch under the lock\r\n    /// and returns without writing. Timing-independent (no flake).\r\n    ///\r\n    /// RED-on-revert / non-vacuity: writer-A is genuinely poised with a non-empty\r\n    /// initial batch [repaint@1]; ONLY the in-lock gate stops it. Neuter the\r\n    /// `if controller_epoch.load(Acquire) != epoch { return; }` inside\r\n    /// `controller_writer`'s `send.lock()` arm and writer-A flushes its stale\r\n    /// repaint@1; since both writers serialize on the SAME socket mutex, writer-A's\r\n    /// seq 1 can win the first slot → the first frame read is `1`, and\r\n    /// `assert_eq!(seqs, [2])` fails — exactly the `got stale seq` reorder this\r\n    /// hazard is about.\r\n    // [unit->REQ-HAZARD-CONTROLLER-WRITER-REORDER]\r\n    // [unit->REQ-BROKER-SCREEN-GRID]\r\n    #[test]\r\n    fn superseded_controller_writer_is_epoch_gated_silent_one_live_writer_per_conn() {\r\n        let (send, mut client, _recv) = controller_socket_pair();\r\n        let mut log = OutputLog::new(1, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\r\n        // Two chunks in the ring (seqs 0,1); the grid now holds their screen state.\r\n        assert!(\r\n            log.append(b\"AAAA\").is_none(),\r\n            \"no controller yet: append seq 0 returns no controller job\"\r\n        );\r\n        assert!(\r\n            log.append(b\"BBBB\").is_none(),\r\n            \"no controller yet: append seq 1 returns no controller job\"\r\n        );\r\n\r\n        // Pin the socket so NO writer thread can write until both registrations\r\n        // (and the epoch bump) are done — the determinism lever.\r\n        let guard = send.lock().expect(\"pin the controller socket\");\r\n\r\n        // writer-A: registers at next_seq-1 = 1 → initial = [repaint@1].\r\n        log.become_controller(Arc::clone(&send), None, 0);\r\n        // A further chunk advances the grid to a NEW current screen (seq 2). The\r\n        // handoff to A's (pinned) channel is buffered; A never gets to write it.\r\n        assert!(\r\n            log.append(b\"CCCC\").is_none(),\r\n            \"controller channel buffers seq 2 while the socket is pinned\"\r\n        );\r\n        // writer-B: registers at next_seq-1 = 2 → initial = [repaint@2]. Bumps the\r\n        // epoch; writer-A is superseded. Both writers park on the pinned socket.\r\n        log.become_controller(Arc::clone(&send), None, 0);\r\n\r\n        // Release the socket: the writers race for the mutex. The in-lock gate makes\r\n        // superseded writer-A bail; only writer-B's current-screen repaint@2 lands.\r\n        drop(guard);\r\n\r\n        let seqs = drain_output_seqs(&mut client, 1);\r\n        assert_eq!(\r\n            seqs,\r\n            vec![2],\r\n            \"only the surviving writer-B's CURRENT-screen repaint (seq 2) reaches the \\\r\n             wire — a superseded writer-A flushing its stale repaint@1 would put seq \\\r\n             1 first (the reorder this hazard guards)\"\r\n        );\r\n\r\n        // No second frame leaks: writer-A is epoch-gated silent, writer-B parks on\r\n        // its (empty) live channel. A bounded read returns None (not a stale frame).\r\n        // The safe recv_timeout pattern — never a blocking read that can hang on a\r\n        // Windows named pipe while a writer still holds its send-half clone.\r\n        let leaked = try_read_frame(client, Duration::from_millis(400));\r\n        assert!(\r\n            leaked.is_none(),\r\n            \"a superseded writer-A must emit NOTHING; got a leaked frame {leaked:?}\"\r\n        );\r\n\r\n        log.clear_controller();\r\n        drop(send);\r\n        drop(log);\r\n    }\r\n\r\n    /// #6 CORE (REQ-BROKER-SCREEN-GRID, ADR-0031), the integrated broker seam:\r\n    /// drive a session through the REAL `OutputLog` with a scripted byte sequence —\r\n    /// main-screen scrollback, then an alt-screen enter + a TUI paint — then attach a\r\n    /// cold controller and read the initial batch off a real socket (drain → grid →\r\n    /// `render_repaint` → `controller_writer` thread → wire). The initial batch must\r\n    /// be ONE synthesized clean current-screen repaint, NOT the raw ring replayed\r\n    /// chunk-by-chunk: it paints the alt viewport, switches the client into the alt\r\n    /// buffer, and does NOT carry the main-screen scrollback that preceded the\r\n    /// alt-enter (the exact corruption #6/#7/#8 report on `rc` to a running TUI).\r\n    // [int->REQ-BROKER-SCREEN-GRID]\r\n    #[test]\r\n    fn attach_initial_batch_is_a_clean_alt_screen_repaint_not_the_raw_ring() {\r\n        let (send, mut client, _recv) = controller_socket_pair();\r\n        let mut log = OutputLog::new(1, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\r\n        // The raw ring holds ALL of these chunks; a raw replay would dump the main\r\n        // scrollback + the alt-enter into a fresh terminal — the #6 corruption.\r\n        for chunk in [\r\n            b\"MAIN-SCROLLBACK-ALPHA\\r\\n\".as_slice(),\r\n            b\"MAIN-SCROLLBACK-BETA\\r\\n\".as_slice(),\r\n            b\"\\x1b[?1049h\\x1b[2J\\x1b[H\".as_slice(), // enter alt, clear, home\r\n            b\"\\x1b[1;1HTUI-TITLE\\x1b[3;1Hviewport-body\".as_slice(),\r\n        ] {\r\n            assert!(\r\n                log.append(chunk).is_none(),\r\n                \"no controller yet: append returns no controller job\"\r\n            );\r\n        }\r\n\r\n        // Cold controller attach from seq 0.\r\n        log.become_controller(Arc::clone(&send), None, 0);\r\n\r\n        // The initial batch is ONE output frame carrying the synthesized repaint.\r\n        let frame = read_frame(&mut client).expect(\"a repaint frame on attach\");\r\n        assert_eq!(frame.kind, crate::msg::KIND_OUTPUT, \"the initial batch is an output frame\");\r\n        let ev: crate::msg::OutputEvent =\r\n            serde_json::from_value(frame.payload).expect(\"output payload\");\r\n        let repaint = decode_bytes(&ev.data_b64).expect(\"repaint b64 decodes\");\r\n        let s = String::from_utf8_lossy(&repaint);\r\n\r\n        assert!(\r\n            s.contains(\"TUI-TITLE\") && s.contains(\"viewport-body\"),\r\n            \"the alt-screen viewport is repainted into the initial batch: {s:?}\"\r\n        );\r\n        assert!(\r\n            !s.contains(\"MAIN-SCROLLBACK-ALPHA\") && !s.contains(\"MAIN-SCROLLBACK-BETA\"),\r\n            \"the raw main-screen scrollback must NOT ride the alt repaint (the #6 \\\r\n             corruption a raw-ring replay would produce): {s:?}\"\r\n        );\r\n        assert!(\r\n            s.contains(\"\\x1b[?1049h\"),\r\n            \"the repaint switches the client into the alt buffer so its own scrollback \\\r\n             is untouched: {s:?}\"\r\n        );\r","truncated":true,"truncatedBy":"lines","totalLines":500,"totalBytes":7002,"outputLines":130,"outputBytes":7002,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"    /// any frame. The wire shows exactly `[2]` — the current-screen repaint — never\r\n    /// a stale `[1, ..]` (writer-A's superseded repaint winning the socket first).\r\n    ///\r\n    /// DETERMINISM: the test holds `send.lock()` across BOTH `become_controller`\r\n    /// calls (and the interleaved append), so neither writer thread can acquire the\r\n    /// socket mutex until after the epoch is bumped. On release, writer-A — whichever\r\n    /// order it next wins the mutex — reads the already-bumped epoch under the lock\r\n    /// and returns without writing. Timing-independent (no flake).\r\n    ///\r\n    /// RED-on-revert / non-vacuity: writer-A is genuinely poised with a non-empty\r\n    /// initial batch [repaint@1]; ONLY the in-lock gate stops it. Neuter the\r\n    /// `if controller_epoch.load(Acquire) != epoch { return; }` inside\r\n    /// `controller_writer`'s `send.lock()` arm and writer-A flushes its stale\r\n    /// repaint@1; since both writers serialize on the SAME socket mutex, writer-A's\r\n    /// seq 1 can win the first slot → the first frame read is `1`, and\r\n    /// `assert_eq!(seqs, [2])` fails — exactly the `got stale seq` reorder this\r\n    /// hazard is about.\r\n    // [unit->REQ-HAZARD-CONTROLLER-WRITER-REORDER]\r\n    // [unit->REQ-BROKER-SCREEN-GRID]\r\n    #[test]\r\n    fn superseded_controller_writer_is_epoch_gated_silent_one_live_writer_per_conn() {\r\n        let (send, mut client, _recv) = controller_socket_pair();\r\n        let mut log = OutputLog::new(1, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\r\n        // Two chunks in the ring (seqs 0,1); the grid now holds their screen state.\r\n        assert!(\r\n            log.append(b\"AAAA\").is_none(),\r\n            \"no controller yet: append seq 0 returns no controller job\"\r\n        );\r\n        assert!(\r\n            log.append(b\"BBBB\").is_none(),\r\n            \"no controller yet: append seq 1 returns no controller job\"\r\n        );\r\n\r\n        // Pin the socket so NO writer thread can write until both registrations\r\n        // (and the epoch bump) are done — the determinism lever.\r\n        let guard = send.lock().expect(\"pin the controller socket\");\r\n\r\n        // writer-A: registers at next_seq-1 = 1 → initial = [repaint@1].\r\n        log.become_controller(Arc::clone(&send), None, 0);\r\n        // A further chunk advances the grid to a NEW current screen (seq 2). The\r\n        // handoff to A's (pinned) channel is buffered; A never gets to write it.\r\n        assert!(\r\n            log.append(b\"CCCC\").is_none(),\r\n            \"controller channel buffers seq 2 while the socket is pinned\"\r\n        );\r\n        // writer-B: registers at next_seq-1 = 2 → initial = [repaint@2]. Bumps the\r\n        // epoch; writer-A is superseded. Both writers park on the pinned socket.\r\n        log.become_controller(Arc::clone(&send), None, 0);\r\n\r\n        // Release the socket: the writers race for the mutex. The in-lock gate makes\r\n        // superseded writer-A bail; only writer-B's current-screen repaint@2 lands.\r\n        drop(guard);\r\n\r\n        let seqs = drain_output_seqs(&mut client, 1);\r\n        assert_eq!(\r\n            seqs,\r\n            vec![2],\r\n            \"only the surviving writer-B's CURRENT-screen repaint (seq 2) reaches the \\\r\n             wire — a superseded writer-A flushing its stale repaint@1 would put seq \\\r\n             1 first (the reorder this hazard guards)\"\r\n        );\r\n\r\n        // No second frame leaks: writer-A is epoch-gated silent, writer-B parks on\r\n        // its (empty) live channel. A bounded read returns None (not a stale frame).\r\n        // The safe recv_timeout pattern — never a blocking read that can hang on a\r\n        // Windows named pipe while a writer still holds its send-half clone.\r\n        let leaked = try_read_frame(client, Duration::from_millis(400));\r\n        assert!(\r\n            leaked.is_none(),\r\n            \"a superseded writer-A must emit NOTHING; got a leaked frame {leaked:?}\"\r\n        );\r\n\r\n        log.clear_controller();\r\n        drop(send);\r\n        drop(log);\r\n    }\r\n\r\n    /// #6 CORE (REQ-BROKER-SCREEN-GRID, ADR-0031), the integrated broker seam:\r\n    /// drive a session through the REAL `OutputLog` with a scripted byte sequence —\r\n    /// main-screen scrollback, then an alt-screen enter + a TUI paint — then attach a\r\n    /// cold controller and read the initial batch off a real socket (drain → grid →\r\n    /// `render_repaint` → `controller_writer` thread → wire). The initial batch must\r\n    /// be ONE synthesized clean current-screen repaint, NOT the raw ring replayed\r\n    /// chunk-by-chunk: it paints the alt viewport, switches the client into the alt\r\n    /// buffer, and does NOT carry the main-screen scrollback that preceded the\r\n    /// alt-enter (the exact corruption #6/#7/#8 report on `rc` to a running TUI).\r\n    // [int->REQ-BROKER-SCREEN-GRID]\r\n    #[test]\r\n    fn attach_initial_batch_is_a_clean_alt_screen_repaint_not_the_raw_ring() {\r\n        let (send, mut client, _recv) = controller_socket_pair();\r\n        let mut log = OutputLog::new(1, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\r\n        // The raw ring holds ALL of these chunks; a raw replay would dump the main\r\n        // scrollback + the alt-enter into a fresh terminal — the #6 corruption.\r\n        for chunk in [\r\n            b\"MAIN-SCROLLBACK-ALPHA\\r\\n\".as_slice(),\r\n            b\"MAIN-SCROLLBACK-BETA\\r\\n\".as_slice(),\r\n            b\"\\x1b[?1049h\\x1b[2J\\x1b[H\".as_slice(), // enter alt, clear, home\r\n            b\"\\x1b[1;1HTUI-TITLE\\x1b[3;1Hviewport-body\".as_slice(),\r\n        ] {\r\n            assert!(\r\n                log.append(chunk).is_none(),\r\n                \"no controller yet: append returns no controller job\"\r\n            );\r\n        }\r\n\r\n        // Cold controller attach from seq 0.\r\n        log.become_controller(Arc::clone(&send), None, 0);\r\n\r\n        // The initial batch is ONE output frame carrying the synthesized repaint.\r\n        let frame = read_frame(&mut client).expect(\"a repaint frame on attach\");\r\n        assert_eq!(frame.kind, crate::msg::KIND_OUTPUT, \"the initial batch is an output frame\");\r\n        let ev: crate::msg::OutputEvent =\r\n            serde_json::from_value(frame.payload).expect(\"output payload\");\r\n        let repaint = decode_bytes(&ev.data_b64).expect(\"repaint b64 decodes\");\r\n        let s = String::from_utf8_lossy(&repaint);\r\n\r\n        assert!(\r\n            s.contains(\"TUI-TITLE\") && s.contains(\"viewport-body\"),\r\n            \"the alt-screen viewport is repainted into the initial batch: {s:?}\"\r\n        );\r\n        assert!(\r\n            !s.contains(\"MAIN-SCROLLBACK-ALPHA\") && !s.contains(\"MAIN-SCROLLBACK-BETA\"),\r\n            \"the raw main-screen scrollback must NOT ride the alt repaint (the #6 \\\r\n             corruption a raw-ring replay would produce): {s:?}\"\r\n        );\r\n        assert!(\r\n            s.contains(\"\\x1b[?1049h\"),\r\n            \"the repaint switches the client into the alt buffer so its own scrollback \\\r\n             is untouched: {s:?}\"\r\n        );\r\n…\n    }","startLine":5219,"lineNumbers":[5219,5220,5221,5222,5223,5224,5225,5226,5227,5228,5229,5230,5231,5232,5233,5234,5235,5236,5237,5238,5239,5240,5241,5242,5243,5244,5245,5246,5247,5248,5249,5250,5251,5252,5253,5254,5255,5256,5257,5258,5259,5260,5261,5262,5263,5264,5265,5266,5267,5268,5269,5270,5271,5272,5273,5274,5275,5276,5277,5278,5279,5280,5281,5282,5283,5284,5285,5286,5287,5288,5289,5290,5291,5292,5293,5294,5295,5296,5297,5298,5299,5300,5301,5302,5303,5304,5305,5306,5307,5308,5309,5310,5311,5312,5313,5314,5315,5316,5317,5318,5319,5320,5321,5322,5323,5324,5325,5326,5327,5328,5329,5330,5331,5332,5333,5334,5335,5336,5337,5338,5339,5340,5341,5342,5343,5344,5345,5346,5347,5348,null,5359]},"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":5718,"totalBytes":7002,"outputLines":130,"outputBytes":7002,"shownRange":{"start":5219,"end":5348},"nextOffset":5349}}},"isError":false,"timestamp":1783657557553}}
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{"type":"message","id":"3efd0bea","parentId":"71a4e0d0","timestamp":"2026-07-10T04:27:57.008Z","message":{"role":"assistant","content":[{"type":"thinking","thinking":"**Evaluating necessity of conn_id field**\n\n<!-- -->\n\n**Planning conn_id propagation without storing field**\n\n<!-- -->\n\n**Clarifying controller_writer mutex and labeling**\n\n<!-- -->"},{"type":"thinking","thinking":"**Designing trace controller locking helper**\n\n<!-- -->\n\n**Refining lock event logging sequence**\n\n<!-- -->\n\n**Adjusting DONE logging after lock release**\n\n<!-- -->"},{"type":"thinking","thinking":"**Planning accurate frame byte length calculation**\n\n<!-- -->\n\n**Designing labeled trace logging helpers**\n\n<!-- -->"},{"type":"thinking","thinking":"**Clarifying environment variable check and timeout handling**\n\n<!-- -->\n\n**Refining settle timeout logging and probe enqueue results**\n\n<!-- -->"},{"type":"thinking","thinking":"**Planning connection ID handling**\n\n<!-- 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-->\n\n**Rejecting refactor to require conn_id field**\n\n<!-- -->"},{"type":"thinking","thinking":"**Adding connection ID for controller state**\n\n<!-- -->\n\n**Adding test for zero connection ID**\n\n<!-- -->"},{"type":"toolCall","id":"call_G6Oh3ZttLiD63LpxcA8lGd2p|fc_0ec86a6c795d74b7016a5074cccf8c81959a625b68f3c0049d","name":"ast_grep","arguments":{"i":"Finding spawn dispatch calls","pat":"$OBJ.dispatch_spawn($$$ARGS)","path":"spt-core/crates/spt-daemon/src/broker.rs","skip":null}},{"type":"toolCall","id":"call_QFqY4X61faea1K54eHnHOoap|fc_0ec86a6c795d74b7016a5074cccfa4819588a3f1b54868b3b9","name":"ast_grep","arguments":{"i":"Finding subscribe dispatch calls","pat":"$OBJ.dispatch_subscribe($$$ARGS)","path":"spt-core/crates/spt-daemon/src/broker.rs","skip":null}},{"type":"toolCall","id":"call_BjCvkWRlhbHYKc3mEZFLNouX|fc_0ec86a6c795d74b7016a5074cccfb08195bd25b1adcbf033a4","name":"ast_grep","arguments":{"i":"Finding resolve subscribe 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7A==","summary":[{"type":"summary_text","text":"**Evaluating necessity of conn_id field**\n\n<!-- -->"},{"type":"summary_text","text":"**Planning conn_id propagation without storing field**\n\n<!-- -->"},{"type":"summary_text","text":"**Clarifying controller_writer mutex and labeling**\n\n<!-- -->"}]},{"id":"rs_0ec86a6c795d74b7016a507466173c819589869e42e414506c","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUHRyfUh93a5So9r13-gkBTn7fnQQqJrnTFl1kCjMYEyjCNk3rlcZUJHCcofMVZmjAA0nekm05cq7MsF9HfLt3ayMKwre8ulnYcDe_JeZ_ObUQDTGJNxbeEEsu1QBVEIB7I_ONpaAarj0MQw_PzYxCkOnsmQO6ZprGFAgUZVUPanKTNBkoc489qpjWolTUohJIHCDfhUV56T40WDjagXfHoIztvz353fiAlHNavffJqCbkpAAwq7-ayxpzKAXYGllX9CYVYGvFFPp0oU3jdKP5rq0WQCzc0qBzRqtr301FlNFNZBnHYJbHiFinGP-iHuQNkoJvtyLAqYckKEe-XsrXJDW3z_1RZ7V9mMogLOD9QzH6J84RVyUURmTY2ZzUK46pD6HyqnJmhuTM5bpUljN5h06ZCl8hY3FeXCGJKwhiSXx8vOGTLViPYvTDXQUfosLY5QkuG4ioid9GiL6t2JhLtPNA8HZdzv3BWXulrwsQDEyQNMuhdcwXD9iPzHXZjSZXd98Ncjc-N4xSSvOMXFYxz7T_ftB_Nx3lrgxwuIlo7ltNNA39Z1EBcWN4ctdEQrjBWybsQ-sJbYNjBR-0dQJwLPcqxrEZtkbeO9B3hiShUGh6TumQVlF5tVVI0dsjk0-kSkqJaRkyZhrS7wqPOQbsMNthIeU2uLlvUTeLfaIJ6MWoUyDTE4hR7AR7fgGD2qaMsQoA6At3efgcTLbSxuAa1CbeFEF3aLKpCapU3LbYA3jnzZFHV-9QdS2WiYqBnrNkjQx4_a8JpLXI9Ns4O_S-dTlmLg90sWgWZegQfNt5wFwA2TF3knZCwhny_iH2le89kAFqV3KFwGF_g-qvHeSCqKYvCkbrLtsbos7t88SQFtT22PEDPc324KQ3XhooqLyhIwRh37YcR_Ovs9axqva1P9CWXQKVacL5N1jVv5vkWcPLdL1xpA3X3ErOarpX1m-SJf4B8kA-SvAejFdTyGv_Xu0eK0fZrFDE7Pistcxa1LzMz2FwpL2doRYwswKNUmLocqz6GFrHw8DZyeh4WbyfABaKA2Tg3uDwDbV2AEb-tdXuVlE9NJi0FmXTJ3nTp2qDiSpy-flViy1_--E2SS4w8XbPzkj_8_iBhDEWQ8TOc1ZGsWKr-0ELiephG0-59t1m-M9UXURTuk56Mf_knndPV_ZSxcjE2-jH_WdcEJKybFZRf9bB2Bojzq9RngjyugNwY8R1lEDoHcoSwX0QEGRh5pOWTmSNjQMH9DpVvFaG625Wffkm_avhej6SDoQTbYPEq3W584nZ-YURBVGHhsiIKg6sCu0CG641d1FaUUZRbk5wsL6l1m13eXvnZnwMYUW3b0neTbJjtYZoGSU1nnmrbPOlS0-JiyAfYpMCujK_tqKDNDKTWNy63OXKCha6ZQgQL_yvIwSYhTkOEAkSLKjF1AYvsWIOkpzcWuHEDLSUHjXFTV7gjrJXs6eaN0k9hGhSsXSrVCCZTvqUsuCn4yZMoZb72KR0vz7IyorQ6V5O41LSB0kcdrp_MZ1IWnziRpkNjC44hUKdwGyJrdT4HHNbqRtGcJgvV_xWObEM9ASH5fwr-3GuqcOsB8d2YVV1AZy5w0AWduhKAIcwUQ5nusTpCScFndamY01sm-iIDq-TLqHB6FgVK78JJxaOSgGayafy01uuY23JSaKyyPoK0ByI1WzwWo4RYMrjTmHdAsovVN98DGLRJxk4AzvSjnPWe3ypfXHnYbWSjQAuQ8FGR7JG08FKYU0lobarlRSV1VYxTgJypcv0JCZZQ-1M36KPTUKDCPcYmIwXC2THQa5Zoqfqn9SbPwoUTb3MXudDVVbDzN2AQPYHPOgUNYjy_G8UWhamJ3t7oR0zwBVFzLCBezBVvsOhCqY_YNeOC-4SvjYDzsrzC9JJyPxubFwIYnJdyHC4G6sbYznzYcQ6VoArywbY-kXePNbkZKPyN6GTipRp8-GHHUy7GsWVVM_BkSq6AcH9v4PZ3m9WftvZwWI6WM6_Stixsn8Xw_28cEzh7JcQqMLGXGHbdFYDNZPwsyDoJXo17VDGrsNmifGXaG5yQ5F2EXL_kvtm9o2mQHpLLuLU2jQN8TGyMDQDFxCtDELvd9ZPpWGSA_JsPLgqB61yiZLFOoRkR3zR31rq7h8IXGkAINR3GZsmofQk6t1Bo5dP0rc9LrO3CrE-Du378ONBnMxRX5QDDeGIE1YxYd13ppMvkqC7iF7GQXwKdhJFFDG0zLA36Ib54xC5yakBQq5nZRS3fq6O0Ls0pB1qBvDY5b7F4K2h7D5tZ9gqnZmfHtYnWYVVym2PRXRSFkCg2fKBYqPDBYeNxSzB7ldsBUb_YDpmLTezYvztGaZmmOOFmjnmSDwuSWqcRPGeY1kxMYEygT9I_LBjbVG4A7CRAmQT0myJvuIjXKEzRzHuxgB6g98kJkpclk08CsXQxuufjM8zgbH43vtOS2LA5Kb550E_iy62Fm9RfcVLDZtBZFpguge1ZymDUAMxIZXd3m9XOVUl5O9_GDIIC-8F8KNNBqAB1r6MrTPwbQ2ZRpC_JHKkp-hiP-nh6zzi6vOp_1NqAX5D-UAkdsF7UP0PnGPtj_rDToOmCpEQOSMhu5I3mVdDHllTQ_dzyQlNRfVELhqqXQyhVqDd8pp-tZMY1l3P511hYFmpUTPKLpdEyvXTXmlbsHh_ZulF3mfg5Cx_FSShZZzEgdJH8IDv2SztMOYF8yU6CfxtDcMJk04lECo--JQcvj6bzaUPCXWXXoO0q-f29gkTYVdIvHseLKPxxzoMAu5kEh4ZwC2J7ef3P4klsRV3_0lM2PF_J5zwBh3yJVxYCoxXMsPv3Hp6zBceeQsh5l1ruiq4ShZmjpkCdzPO61COhTLV3sBtNrgcxbIfztYeBd4Ml08rRITHkdT0tf5vHC4adA2gmYOrRyOA3G87i2b3R_yZDac4NPvAtqWLcvyUfIEZXHrWmxDCrPsw-3Pu3wjHXoUS1hFC4_43_0iy1fd6oIAxv7WdDjkDyR1nnRwNtgnpBa3_vwLU21yQt8KDOPeEctOGWxJRaeEIxDD8c267R3qsN8d4mq4ED2bzktse-ImgfCPbGqlsxlID-iGgkaka1tQIf-v7c892OqEknQkYqf5ehyP0oW4IBkgRQVuCE1EPz7SmYuuBLwNIQ984kciA1u7YwT3z-Td30jRJXm4CgfezTlai349W7S24F4ZO6yYQzVhZZW36ty9oDmvGVpWiSSy0687ZYQozo2TtiuL3iYM8LW_WStgidD_zx1YYSLX_6MqNnH_lFFtYxb6qtUaMYB9WvV97f9HtjGY4-Um6MAq1PkFOxje0bR6QKPXTIEbrK_efvRUob4p7Zd69pwU54ZEq9mzbjpyMWMq_UNXZbI-w1YE7ROip9JieY0-p8K5Rpw5HeYMfzekFRiEdDUisB7lzKMNJq9B4xVp-q1b75tLsJUqrNR7iNnyQOy53tzHQVWX8-jgSgPHMacuciHkX03hoNFs7q5H3EWYsgIDGGiPUC2wQ7emvJgMLZ-kj_by7AHmc5rLZpBTcErKTlwbUlkD7VWlgtpUyzo9hCaPds9YsXGSMBmgWD7C9lKW-E2taq094844pQsfEsJNKtBJszztHD7LTDcHZP3qnwAXAiGRawes6q54V8AdSXeaVdedcBy_E0Jmt5Ec9-54Y-wBe1dpYdIcXCxjpXdIbvf1M1q3TqAwKze2rX-jMN68gNvh81h5euxo5lXvO5jJrcV14ehFr66H18734FmvXy3R9eo-cQpL_Y50_aEeXqCW_0b1AmGPXragEDQuyApE9JVkFUOSebIo_NdAjswYZPj3nTQuwBq88Fe7runp_VAGmFdOw1ZyM_mP6uTW0SNYhPrniIbZJ4g7KpX9Ld2IJBdfWOkmfoNlfmPlizHT96KGkYxtSAzEG5RzMODbCb2m-faLYjFNligSIBKIoNNCdKngtLDAEtEW1A3j5Ieo66fYm4LvJ2ockBta-cFnPhxzHbvXQB7aop769i2AyObuIkQDPMbg3X5rJFUCKil6Lz6kLXr0sJ9AnbeI5bGp4TrzpkPx6LfJWIGRQRVHpM88HP4sfxs5MzivkRtfwnQlMP_VPYOiZos3--b_J7lulCnUbaaxwEaatS30NpiXjePw0LU3cLtQKKynFbv1CmrzD8BjuZvw0ZDVLuEe8KrJt9pOObxA7H7DFF6g9cw=","summary":[{"type":"summary_text","text":"**Designing trace controller locking helper**\n\n<!-- -->"},{"type":"summary_text","text":"**Refining lock event logging sequence**\n\n<!-- -->"},{"type":"summary_text","text":"**Adjusting DONE logging after lock release**\n\n<!-- -->"}]},{"id":"rs_0ec86a6c795d74b7016a507472a7fc8195b3f2f2cc696e2845","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUHR8zr44muvwtDjNDX2asJ9l_RcIfr5hgec1KzRumiCpXL_PO7Hr8Ih1tq3WFXizGxp_mzbp5MOsY11r8r_xkoDU7Wh8QA1_9r2pF4vjhS2iagWg_0JG4PPWguIHa1ZR75Ep5uiKsO9gA0b9Kgf2-djJBlk3POwlDBg6fasNH8Z3wvpF56yFIL8hZp_H67vWXbtksNpuD5WEiVVSCkgUytPaNc2g_tDRyzID0fUuUos8D9jaji0azSRB7l3T1zXFITuQHVvEwoOMO5frc8r72CJ9aP7x8ZbTq2Rcqr8e04FX6ID2bTZF6s8NnXmwgz0AumWN3SGP_xgJn7_QKvMEalvtr0RKJDm4E1TIplHkmAj2oUQCA8_lhX1D_ufA8v7MwvpBMLx2QfVguXOTzoj8v0iju9CwIzIOsno-YMFaO3sItypkWknP-FaoZgN2vnNSXNtkm0zOxim7mjQAoTSjIsi4w2Lao9OxacZM8noSEjrqXI1kx5lsAQr7si28b3K7pS7wfCEM7tUYETilNHsWACoiHCi1dBAHDx2fpwfxzr7XIt_0Z9qFoEZ0wexhCLmVHt_oQg1S0o9KvahuuUqXFBPMdp_VhGQ6oG2SRksYqfYJEMeQjecZQkneoYXf7z5fY3wlOpQffTEThapyYi8gj2FSrEA-ULPQNdifdt0o4M2Dkvfo3_ANHwzBTvg2SZuFnhZ1jiOoDGshAzDnmwMHANY-DylBdpJ8P_UOZiIgaxS5lZFLDOXTRIvV2cyZ435EoL23z0YheMgZOY2pOMfSB5LQdlOxM5x7XnQVMlkKVNESofu7YroyBKcJLeKW5TqDjtXqJbaiPXPmbmeJr6X4XyzzqZmTnZVIOYT2bO5tOK_LzyVOnzgZ2D0OvJ8JVeFjTxYx5naIA95JPxkxEYLRRquD462RLkYwGqiWbluijWAmil-Mr5AaqHrVouqIToyzl-dbHqgDEkTc_VznjxoIK4dOX4pVRT6uo6P31bUvCj5KMf8K6lsLu-Ivf0MH42Zd7-Yolb6exAp5tz2sfyTqoDF1Q3HbULTcQqiS_aY3kix3cIhA0MQO5bARLKhdiP6ScBPigJSO3utQsN955qixalj7MD4MgWpM7NO1IfqOUoiY0rc7RcUEST6ZWTj6rPX3eNu5L1PVStBLAp02_I9ePDE-U_Z1QPh7Phf585c8u20m9kcutA1VNVHwwg0tpOpoSsTF156L5AaPATCHdryjZEh-u9WbIJRUqB_qTghZRJw8Ft1yAV8DR5Xohqn_TBjRZqairfxrjw7HZtiYApAFPDc-15ra99Dw9q5ggdlosmhEbACmDL1szwapCXpUuKTRcgrX0OikNHsEADNs2SUf0GnXoWepq6dE23rNXTKQ2Bm8XR82qQpBY4vxYbpkavEztTUPgbONDAGF1To7V3zwHwSZ-wYVhYub4jO0E43-mrO1BUTFtIGWcTRp4nuElgROFZUw0ulv4CU5N4Y2SrOzCVdw9vK5ns8TP_oU1T6hMM4cP433wGcMCD5sU_oIRLa1ntLeXKP3zuztvTalu8VMj-HjFz5guJEC1hZzh_sXjXPZtvu34ebrnkc-Qw_c7o-TT7R0oT8b-Er9AYgn3A2_j-QI3K7AiqpZus3IRZmOqYAy70aisNpoLFP5HbcG2lkM8R2rOdDPIZ198J-_iExEoQw4u5EY3jp3hM7cjVKiUtem7n1of4kKql5wPJeFjEy8bUY0TdmHasENACO7fT7nhnzHLpYir1cpnLwS-vabxH9hty7i23527iolPBsj6-Z5kKGtl4IGdfI1arlNHoNV1BMkpO_OJna4HGITaUPXdjz12vdhSFdTInkCaHP7IAMqD3volmjHZlfA8pO6TS9iWN_qp10Ru3C8rlhtf-NcZNzsj1RsXsi4DOAPEgwc2a1LL0LvtOBDLqmAbIr_JbSuuNaMVB0e-jpU4uB4XcNxVWJqvAikz8iU31UeaKzWUWJ1z4drI0Ffq5oRy4heB2JtcfnMbMcomEBHKIuR-1JjVH1Ilj3J-Icxb1CpdQOGmi9ecu25wYaOn3Z2FZ6U7WgQDEO9tf5tZFAhNMitZVqq55A1FKV1sQEkGDXhygbilju0DxEZ7MPBFKuyN8m9N7TE-ulHOL0mT3mPVCbjIEVNJsl7-QXwwA9Ue5ZYI0IIQdoZa3EHoeUGgp5psuSfGxqe2VZ2ZEfCwPaEz3vUVlzj6QWaCGSSiHTgW2ds5oPgI2JGTSBnT5ftGyUnqMLpnVP485_Qy_JJEEn08j_4OGF0fw7gencbuwQB7HSc_Rf-RY3QKWY_TVG78ejy2ZLQ3t5QTo4gzx01xb9zGwrY4Xlhg0zdyZah6H83cUSWhsMn1k0oLAUCl0NclwsrT2oCMzCpleUxfhxuo3EUOfL73bQO3sm3AV3-tx1_SuV0bpIBLAFNJMKwxk09EDUCPLXslNoGv7pA0by0_KhbOg_ED77Px68QWvYSLIK1NztBCtZuKRYNxUlsEpSqGx1eMXuc0WBSWW-o7BZJiIQ6kpZ3ZluvXAWhdWlNl4D5VzxJQDb4q5_Hj79bY29hU2MiUPouGnX_DQpIGmnhAuSTeC8XlMzj1JuR27zblinYQ5tVwSaY5Qjzxc5ms0b89j9mR9Ilbhl5shWOav6-l6KAxdI16f84d80sSNn2fNCAEI0YTz0HQiHznr7Pbzdex4Rv39jZdySB7ZuD3GRvBA5Ko9-ucW35cwLoXSKDtNW8H4SUCHSZK869kJT3_1vo-K8nuTnWvG7B7RGcCFNPJwXyauiQW4b5CUr0zlf-LFdtT8EexwF5rcM1AMZLvptBLIgBEakcpq90Ww30F4AvEuX6muXiWwJw-JRlsPwqVIWMUHcYPG_WRZqkNIS2EARoI27Fl4NYxiw7WPakiQU1YqVQ9JGE92UAXW9xJPH84rwCR3lQszMgUfFSid6hjYEM9keHBi5AtVsMTaHVEAHiIv-l7HKy_nlXsMC0teirxO3D817SC0wEt5rWbqthGjnCdgmuYV81W05BIMQf-QRI5DQv80VjdM46-SlBXLcDRW5LjXw3Q0Ks1fGv4_x-8JklB9XDzZj7QXz-E2BDlHzfXUbwV4zyujeyulyDlB9DfouMuWogT_l-nwuRHbQX007kqPiAm-OoLJaVZoLm2_ZKuFiN0EVIgNN_BWHv-VMDEbMYJjj9cieF38-BtYOmlwO3u1i9UdcvM6egEQaWI1LKYNH3deZG9ZlcQljdKLXcFYzJY9WVUttp7vAU_xxlwNLn5ElOvWrqGj5k0Gziw2Y7vUC_iO8EH0S-kG1xZBZWDd-7_lMdtcCTJAH-hWGtWjiZcNByi98litQZeLPjMwOEf6sjNXEWc7CV7L8-e1_VGzUt1j4UYSyQUDB6yZaIje1P3eTB0b4fqxj4-1Iso324ZZ2Qp0liUySIFnu3V97ZdjuoEtAcWUhcIm7m0aeabMGmb9MrjwvOvj1wiiOzmJKmbKuvOoXVHjzXwUhmZIgxy4kUmaeoDl0L5NGMKPrihqjVZpHX9fesGqmmQ0fsHH4JVjoJipnnH3GjY6p-cbiaGPboCaur6kvrHIBSOo5ReQYxub3ua5o1qGBuVYYR0Dq4due3NsUGwyK_35JYMaE-HZEBo1fpxlU1BfL6xtHk69u23EThXCfCm24WUbAazvuNQrNAP_4NzKb__fy2F26EWnuowsknJoiLf1dJaXmVDOdsJZ91XW8cJ61hvIok_G5fXyRAGz9cEHdEpPHUMPOKfvZ_58B0Oog4hO1NH4OXviTD_979VDSzre_LRzkNnU2o7Jwm6t8KcZAWDTd1vAW1c31yGv7wP1AjDcAiEL_5RJjnWFtlntrhNdrwPNYnW-56iale2q3lcka1c5EUTTnHwl1GG_nI8RB4Ij6NobUn_J2nWKTScQfsSE7c0HMiZTtz71HBDC2o5vRIjcxRB8YAIgYNhAaqjs-egPMboYxK","summary":[{"type":"summary_text","text":"**Planning accurate frame byte length calculation**\n\n<!-- -->"},{"type":"summary_text","text":"**Designing labeled trace logging helpers**\n\n<!-- -->"}]},{"id":"rs_0ec86a6c795d74b7016a50747ce700819590aa2cf4c498bb9a","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUHSF9yXh0b08KYrPQWbMhnKOCGXrqJjLrO73h_Ua9LG9iU4l-_MDWJrGZVxkkL1Zn6GPLq1jyRfd0fsOuSzv48IamOJvniervTzVVbg_jsyN_8XEdUfktkpDu5dDUXexTkuTLSxEPfJfVOCecUewFTzSGbe_RgLxfPkj7v-o5RpB-VNxUui_R-456g7vq6vXJGbLj8p-2J04G6lOtE7sq3hIZwswN0G1c7TXxzglWkcPAiQWSiMtdhqEiJnPiiRnN8AwkTUYI88T0tgQauL0u7L2jdjDroFUY2DQnLIVz3M-wh2Sl0GBVqYbtAqKRAvEjUwBycfmTz4Vad5YcrVvX4XsDCl_iI7GDGnlsLgLrIOy735Zbaaq_0THXhV_uFdZb1GMSgqxajdbnHXTOCl0EqO1kzEylKohG-Q5WzHVhkQXIf8V2k4hgl5MpbQi7xZ0DZPfUYYGWHbCMDeFcaVr1EBs35Lu8ri7tzuS5aL4FmPGFV8R7ORKOPwydZZZBpqy530pzB64a9pMBmTjm1H7jzilgJN7uf3I0K7tqOFIwUjrkHJoSWx-cwPRRH7SORt_1esmX6QtybOjRre3yaL7IlChcaMmtNpoqA1f_S07ensUX60nWAu83pn3XegXb1ZxWNcwv_CghV4xOB8mmQrT0T7jkQTvcHEsR10NDoaonC9-_NvGvinUJoz3vMRg3vCxmNFtydVPtw88U6hboOM0wBNwHewxeUAZUSfdcf9nsY9j_n3pWQ0YJ9cQmEHwONCTKxLEr74eA5M_izZrWp0_9nZ5vLo3yzQrIAqtCvYou92obKqQmwRMSYEKGs2uJncnVGdiY-IjzR9DmnI0d_gsDtf2uSTa2ih1G4IeiL-0pMQ97Hv_06eH0qUyT5T6kuSV8Bg9SiFHunNjmiGex_wqmKJYr-XYFJp66Vy-ngyekHVEJRsbM_h8ZlMoGeBpXBNSWGi_Zf-jSJakH5Hc5sqZqgfMk4fbL9yP_KVqTNUWbdDVmf6ZKXH6GmOCw2b59HrGX3jZ5zCSoCqLIUNGbI2FMBSBbPkcvmhx2G33-j9O4Xbk_JMFnL4X3EcXXX5OoqfTa6r238nv2j1uX3BojRlxTOBPFE51oK0iDXlVZT7QyiwRY6pqsJluCDn133GmQxfNlfq3phcGIyj_Q_pPjwJRBbVw0Db2grfo3VO0EkvCkzJVzgWKbD4Q_qdJGhySHrQ_23HEFkR3oaYnszMXRR_I1l2d495rGdm83RXUW-udqRC9Fhum6B_s1EWIg9UHssPO4qRGBe0PirXq5W3v76-uFYHWavp8gPqE1INtu55pfOJylO2VtbM8opj96o0y26XVvfymE44GMPFsu2v8Lcp-v9NcRlcnZ0L-itkEE4V0yt0IXn8OIIkL0lwTxGAxshBlTg3beOmETeJ9-rIgobSSAuRpY2niuUPpkxfhgQMLsrrN9A5rS33dWvYxTosMHzhWPDGjX3x4C15-4amnyynk1-QgxQCMJrzW1j133dCqgQFFhW4oF7sukvgVMISaB-w2uPg55kMlUoZBgjcku_h5IZtFBpoLJ6A6Kzc-7mS45HVh4yCboWTCBRui2QpASUcTaez133lQg08qQW622XVVH-BOovm3lHXLzv94DOLC-d-0A_o4DyPQHKeoUzbvOTKaD7kkcKy25ovrEl9SsIP-8Cplses13dxp4L5zOheRNETWtICCCIMONfVfrLsCebG9TXFlZB1jUBVoRJNLiskIyBF3abOWQY2KSXrQo474CB5_J36YQEUU7BYdDMgjFdQsjRwTy7dwb8f8aHuLjUxFzvVKC0rihRPrRIZLKmICuOTO7pS8uCZLxhd6RWJ1WEPctcnh1OQN4qOH4gioqVK0ACx3trBoVJGquw42eF7B3U6NExw5iUsyY7PTx8YyktQpq0wVoPsbA0ixDAMeei-hQqRWfWv8d1xTyjcVvcEgwfH4sQyFTw-jdouLw0AneAlpSoaJr-UATVPn8Y43MB7vh8KVbIzsBrtT1erHYwfDqmbnPP0GI_l8LxsgNUlBiytIoMHJ0nDHqhy-WCfksinuNJcqGH0X7s1ezcKF1KBhnbvTWkJasPyLaC1umQ7Vn8ydoe2flA3q05GtfwVh_oHgC-k2xOQXTe3_TAVeWesqooVLY2MjosQWR5sIADwfbZeGViC3lQM7gxe3__NamV1-R7K4Fe1zcJgFMwfOzg7oX5h9stMYrVX7dr8aWGNHwqIMQrJ5-0uh7ePjPzXbnfu1oaCwBaMfDXwEyDxPG0-CXxTIbGmdNC9vLVOOR-GXk7Hcu3NGnUaYBt5Pz4BnTXZDJuI2-7WT40QHjIzEypckFvkDKYFB5YXSDPc6o72xpbvXQAjOCkz7WTmIbSZYNvySFw5zAVWizC33UlsHdhL4MdclOAAkzu-f7tp55i8nhhZ1aSfpsdTx8bFf2rTabHpH4v512SlOuAXhuafrYC29H2Abf49oPMHQsXQrOkXhT6ftwFiHr7YOXBSpCAnLiO1eb4dpGDeKOHE7TfCfYwE3K9srS14feqWWC5SNU3p3a3cd6xnU_Qi1JkW_mdbNANqwHWQHB6Iufv1wiGk4woHfS01M3p2lGkX4u6Uw5v6ps8161AXzOcJFGzoUyYDUdoyqHYr7nkKHBLCGCTQSc5xhWDVui4ARuCoKQoTriKESTB-pvwfkOIsGQImR4Z4eNj0vE4Yxy3DyUB2gN8wYctjGctrUXByu8RlkLPgeg89tbxv1GuXLLNd-DVsVUJyLKZH8IikF4THqpOc3IpHtSeANu_l6P5pkLjg_OonJbyX9ucO2502JcU14XcZ8eOUu1CUhKEfWakSW6vfLTH1Q7il2cEPvd8zCSIgMBhhNOT4pshi74VouByoheipYY1_DY5_oM2Sz53CugI-oQpzovh1PiiZIR_ZOGNsSnxx3Am_5uR-CRACdSNzgTyDNvGRoXoF2Mco0oe5i-tWd-Ni0n-FWem1fPsNnVIIWs7C0IJAWKnp2N_l4q2vyylhYewq38UjdZHjHTQKvqnbCWT4IPQZkuqtrU2X8vgy2JyMagI-B12Kl8nbncnfKZfzZi1PzaCouVZd3CscBy6wUBXfmk3gQOFEvgfkMPhjmeu8Vyexc9g-utOYITzTn95g9QtaSpVDD-QWecI02LXoajrscYarYcW1VMBDIaGBwxVirpTKCGRbaEaCqx3SG_dKdpXvtQ_Q2vwRUxSrutrct8iiG3WhciX5udUD_f2a2F-SZAA-AQMarKvcQ2qBh0gOYOqRsaGHBJLYpH4Ggyz090D64gCtLPEZnukiA7SOQ0a6AYqnkYCmT21zt5mrHy5gl_YvFbkeuY1eV51zWvqUJ4CITnDlAt54V0pmTQppMj9hAQWwq4jKDQBEJ2ug0bEaX8FAdOJOQk4qhvJVUUQIJMyuAKTS5D_SngrKZtbuf8LGcI5Q4Rouz4uyblvRd7i6AeTDARCYYuYE8XPmROcJaltzo6e25dzmu5wF0SCC4MWpS2Tt700-EOxA8cc20nYdQt0KVvJuG4IQ9iOedOVOL84aLUFuVCGGJfmnzD4agDJkGtxwoXq5vYgWMA00-rOPdWVeC9ffIXzFEiljZ-PJ2mRabRUrZHrxGhgCOYy8UFPwqIelWwFJ8acNrwkIbEnX4Uo3MFC7ne3opy6Rx4jmVbKJkhKEmoHXHIn_GLPLHMdxtGhy8IWDRdKDPJAspSmrY4_7thgIqIgR86WbxlJwum7c3oT2E7kSP3Q7s0WhN2HBgG3JE4Bkqy0LxUC63D87rvWeqEKemKrcBwuxEwhuPyG8tGXv5kkJ1VwkrrT9k_m1HyKCihm7qCKlAKKfS-RqT1KM-hWQBK3srkkzb5x4uYSYv8Fi7MvLUSHAYSobGpzs-x3xoRp5yph7f_u9EpN1Qdry7vg1C8El-EQ==","summary":[{"type":"summary_text","text":"**Clarifying environment variable check and timeout handling**\n\n<!-- -->"},{"type":"summary_text","text":"**Refining settle timeout logging and probe enqueue results**\n\n<!-- -->"}]},{"id":"rs_0ec86a6c795d74b7016a50748542d081959f31be86cfee4367","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUHSNi_Glhu48jSlWgE3VCz7PraYhhd3xpkW2kvjlol7U3INOiUI-TOwMRFQccn6T29CoYWtx3q2UgfvDWQiKgeO-kKMxZpDouCktTfxSaQ1PQbSI61sQvu10xi_b9AD5-r4rXoqozpA50y4GXm751u4bevHHHZzEehSomxY9DlwkQJN4jJDn7Le_h8wzJnkeNRnLTCIwzb_QCc-kz-yh_JfqtSVEyBbESM3s4T7Sjy8OW8C3coFMvgr2CzV9xQgXVN4xTj6DR6WSUbCUyLtxOmSfMcdW0VBZi4Joe7KuSml7snPHS_t3x7KQn1FDI-ljSeLvVHI95_uaaIELH6DNA3UJnUJ3MxfwW27hlTdLU1A2muIFmiLX6Isw4jhRtKcTYKnR02LXrxDUDJgdrmSVeeqWmtdTPG_ELcc9-9fzFsF7I4rt8mizAexVMVV1eRvAnjcJyvQuYK9z132LKjCRjJLeCGXDr9yVZS_GI6FObf478CIfjGXCoBbH0FXqIKphCROmlYIoZh3KDxp_tbxxsqQs46VB_VF_HL5uS04wdDObK-P64QH5LIqHqXkiibGU2dzJFeK3WKVIQ8AZw1tvQO7Zz29XK6MtLo2fmfjzA5nH48TE-CmlQ4SkscCY-KKUL4ur8_CSr4L7vPEL_K1cOZI3ExQkL2H7NilsS4fwqlyXJo_9DgxgnPMtO5Pwqx9GtpDFKvXWR_ZFy6oZVSJl7x5_Iqs_SwmwqAa5PV3PoL9g-wk6nfATxvDOGAywldiSX-fC-SxbDkvC6tvndrJ8uKoeEEpsR6uLRqCcstBT5W2Y7BLB4rlUakIk-WQjZ9ppW_PCY-Z8n-CEar5Xsxzci63ft8ePPjLZSDxpEiwQYYiGyl4WkZsz5zIlgh-xJv1c2J3uzR5irczlHnOtLciQu7Fs_czG5hK4VO2EW-i-cNTPJDYPqGvKCqGZIKLPHghjS2QMrOr6jWcSjC3Bjq9agb4ku-TSoBdgjbcaZ8YsERgAVkWBrVttBE7VjUhIFANpIFUuGHa3WPQFnLJ8WrYIqFYAvNLnuBErV3c1FH6IYizxErhss-6vmywsmVeHF5SByLQJKIVD-fFEFe-aliqucCxtGdmBdApQWQJ96GUgZaE-nOjaVMFKxdhkN_3XGHuiPWY067MHnaW4v0GqXXoLkmlow_IQBrqN1hnvk0hrJqYW61EHr2flX7uWEB8D8cltaBbW24Sj1q411L7FAjxYogta5uYXFslC0oxylKQMRyKyTjaczYXGLvR1rwaFKx6sUKwwYe7HIcebJL6v68o6vNFJ-GxIKonDcousCC25dJCu00fhMVhns-Mgcq2-Eoc-vVIEfQzNcmSPUOAiNx1EUdmSk0jAFdcYEsJGLIXJ5N4BOIN4rPWecPvIVT08HDB9u5dWnTKHfXgnmVaMi1sdXSoX7ucPkmj5UFOsA1uJ3Vuh9afMjSlByecmNWGyZUk91sthuzD9TN_2CYSB_3bJlo6wSx7Ows1Udppkw3xsKLEcmdjUcxm1WEecwG4AAs8VDBjLl3cXpC7NwJj_MSpXuB4skmLNLQmoOhRmrRMOP6N8Kosbh2x67cUGQW4ZtYwTfmI_0Ug8YEoSO2Vf0OmzO3kea3Voi5JYm7cHO5Spu2kf6shgFIogAFvADzMyoF-fS_vcnVHlmUZEIErnwocrg10HnQFQ-Y6IEXiKGmd2cWf1CPe_mr_7NSYCMCu4OeDEsSMUM-p4jAWl_6Bn-khgjwMxBm3TdHBPTDXcuFR2GdRv4EpndTBt6MBGU-hTbu5VUXZz3Ug19rtZQ_whxgxOjDGo5sdJjiolOTqHmb7HnBL92gaTFHMcwXBCUx96R8QEXWpJc7jGm8gvxm9qEKmk2BdekMxcKM1_SWXubLFtYOR8e8fbbDOjQKkC5v_Lqruer-uNKmSS6k2cor2H1aOzdPEFP3YYqlZL9b7iz9RYy27aQqGxk2tukPtC3M8guAA-0XLogs9eTncwKjtkzRIJk59tpE430M2zvCoPM2t1ZvcrHvQHL3Fvvav6A0enqu-7PldHKYp2cZiZ-dEl7ybRNDdgXuStB5_Tv8dhOImH746t4gMyQGVPAW-VclPxrZ6rkDzKHnXBaKYMBGJ2yJcKb5ajaKQb8UkfOTeX9St0IYNxc6dnscQWhm6oDE_1_4pFoGcnI0wGfnbiBrbYscQOzTAdNlvCfeqtD5-Z2wrGBBLW0WVVWHJZSfTnfC3DqNYHX9qYqS4WE-bMmYIpb_JAo4EpNFWUENq_eEdl62T1D3BbfZK-TBYsPBvjk6sC5UQRV-o12mSCuGruOxn3rjmfkfuULNwXDn0ssmf5SvnXlg_EhgarkcizJPVEwtocYaeCFIjwCN7JG60nEnJNJzYlDP05DAUMsqvPTlWU8JfJAx2yOl21LuLg_BooAhya_J6t4N4NaLeK6WRlXZA1ftqyFBhSQzeHF-qtGluipOxSVHBbKASn9jGIgG2zX_WxCHv0y9LiK5wZeIxiPmfzEsIDsJ3wa1JF8HpQDQmhSbs9onhHw9xY-4DSg4MdN7m2ERfwaYTWY9kZTjS9YR4yDlJjuxBBonA9HFRgZ6II4gdzgAg90CwvVxfrepmlwzBb0wR3-c6hLRSs5FcJNh-JQxHBGFiM2VgMUmeYPV2Gz5-5tA8r8WAZgSpFwVcncOU_XlJaG-CekmhQELu9a7XEKHX9IHmvpXgbXNHnwm3CgwQcgmI2xMM2gBnb3IM5laIsIAJmz8E9AzsJRtLUItwrTwwcL4qcHAfepMaDaUH1-d4y1BMYYICsqcm7NW9svUgXQ0i-JZNybI8N5xJRo5-IGIzcuvZWs3fXNp-jmiTKTC8CSAoltvtZRKKzO8sKQwrtwSmx5JRXQhqpzClpXciQhG7eeGNeYK90qy6JK6znFxvGh0B5Ey4cBNvYazMAHWbMqEXfnIN1n3UCy-KuFvdZ6EdiwYtY7BxABFFSjlOW-yiOj04qVKydJKSZ_bzoDD4bWdI4JdN0_wACESOS2RnnRPx8rc5tjbYBj59dxbFiwXCwIuBdYe1faJsY_eoXxOfILsCH4JNnCG5gesiCOELrLFgPMLvASSVJDiIq0J9wpjOoCSKWZEu17z8zKEZpXJUfp3aQPx7PtD_ZDi4m3VVD8sevPmIGZHo5a-KGzmXkFho58g3w6scqCkhX7vTkdH4iE5xp-ERSaByqHE5tFenK9l8q3bPaQaPOZnNZErYDIH9l21fWGhkqqXmGvENEgM-tjBbAB2J54212iWJaN0dFLZLAn2_iAcC-VMqo2f_2tcxta4jaEyz0qT272XBKvdPoJKA3rU9U_Nta0l6E9p8yJvkJkWhW89hdZuprCMfthtmpEljRKz4FmG3isQtAt4ln9pkeg0TaPsJDlmhoExYV7BNaB8EXw-ht6ZAXJPPPpvnXVV_aDTVKS_zup3qQmwQyzVMXjOXl1mOO1cx3j6QFYu78EvjdsYXZso861yzljNfqFQSYhU9tTgyL0SVBdz0yUpEcqPAgpIPtt935YTnGNOnqL3pxReUyX91RpkCE2q7073HTHgtO_PxE2KfCHEzKfMnTcbhbEg9U317aSskPJNaMil26h2R95NbWBzxhXFm9XL1vnoPb81X6vtcYcTbsWV7KmN6bIeRmrM6Vo0mibD0UN9TknpD2qLMe-qQ3ZKTTop6JdGgmugXzZ1wYMSDArUchhU23SSSyW3e0Id7XZdps2RHVPiA017gWAduyxg1WBhXyxJk3MknXCqDzJwx-PQY60k6NB7Xt9ohcbw_Bu5xWyY5yQnZ5INnJ8b4RrE7nw7kTt42fVbQVzpwZJiQ56fucilVwQGGG7d3rB7Njcg5c0Swh5oGxu3alevVsJvDkUv9pDjCnvmpaAHKS8NYqD8yXISyQ9tn9md4HtoXTR138R8RLpujaRIuYjsAayfLxIDYT3Irpr_u9bQh9vo3Ej4nBc5sFXpuGFCJIrHGqlusqdmUbcIFwNJ-y3oYz1m2caUEoMLs=","summary":[{"type":"summary_text","text":"**Planning connection ID handling**\n\n<!-- -->"},{"type":"summary_text","text":"**Refining connection ID propagation**\n\n<!-- -->"}]},{"id":"rs_0ec86a6c795d74b7016a50748d31b8819585bb41862089f79d","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUHSWEndr9npkUASCzb43Dmp3s9UDvWBBgk_amrVToYqVgzt5T_7988CJnJlOWLgVkx7Yrp3Y3nIh39h8zKOFY9xZa2x-AsnDx__wCWInGPUzLMjWMTDFzUwUZF9-vprsL79QAJzr6WXB8GEC1tF5UcGYIE8zeLVrSwxkFW8BzDlCUf5aaqdWlXlYwlz2SxwGbTGXuRDdEm2Uq_BeMzWM1RIGi1AagdgqZKFlebbcaQcAG9VXm5YE8Uelj3J8ZifXSFEand9fmYjD9Lqf9Db0p-G8XhiREqkTpr8fuDqmE1lLXRfPd4NIt1BeiStSN1C7HQsFgTN3Szzn1vWj-kK_zGQpkvaV3M74QGfpBqFHLoHo6S41FSxvXnH6rF_pHSSOsl26g5a2_RofX8Fyq56NF2L_GqT1a61q72OLxSaGjKIDAVMIxMnDbH2I8hTOPH9dEmxBSS0wtMw8jZli4g4OZzq7lFxDzZiZmkyIiJvyIvbKp3-wakqYfUnleHuCNQSVPRu744MfTBhXDzu9UhFmNA3GwV2lLqNkyBI-iBBcb5_Un4IJ0MX5wtfj5owG9L6cBBvIULiueD4uCoH_FxnuPLveilkr4Mufs8ouSpxZ3zXq8Gwb1ZTZn5qIRIE2p4f5DS7Pc83nR3wFtn7oQ0F42ZxUXIZaXfoYflWEUbEOiNWttsjTF7GMPTHg7Jfawp7bRpYYg0FVqekOozMNM43t3Sg-4C9X-lt0OR9HIgGJYNBfOXvpaOGGkucLmnTsbWgtli_lInueHBBvv4lbQY6CS2tqUKuIR6Fn_r3ugS_Ltoywdn3fcuxaZKODo2zwXVffmpcfpi9vkhgB__Jt3iXiMRmDPr1hWmbg8Rh1f6SJ2Ab1jLVM8V9n08OOMNgRXbhkBSeoA1CMIVk_Rpxfv04Apl9AbcUCPENDAr6nNUq-T9QL_xjMYXG1XKOyi2RKbXMCFd5eYaCR1jUSwrc9zHFCQsNAX7rAmqz5fVKC6P8ZF0LuvR0uzW-gY_fsPFoR8xP3E8BVn3fJfig3NwNRlQStDI5P44wPLd3uYWqI0nZKrVUntsA___1vaAFPn3-6fvOmDepkJEaJ3OI7pOsAkoNWjbEWxe2IIGNKXU-rA-Z3C5XETSxcd1tzfgDS1mPL9UtNKNw3D4DzoKTSIefBHR3OZru3u6ZOnvL8ydIwOYTOf-pOsipvqLLjpN6-rTivZZ9RLdJVRsBJVEMSoJfwfLfelCTxH5rSo79fIDTB7s2obGznghNfU8nudiFrDdzwLX6YuR-9y71Gcdi_5o92Azf0xg4Ny4kUQJj1cgmKasovaHSYql4Sa09kSYn2DZBeikXZhGEZWaHACRc_TRhlVAYZ68Y8_Vsah1AxHayYBPq74XrsblWuofHjxxKms81t6oY6xQr95TOP65XcTt0c_LbinhXrX8GdCgTG_Fw_2VcpKsUuNAA2yIeA8IpCbDWEpcibDvj0bIbrmljHu6f5VRY0Ka-PWtOGdQUN2WE1IN5Ll1Z0zYWhO93KtT_YKRPLYlQZHBNU95MJ29WGgcro_mhJBrGpKMRfRudt8Mfb9tV1e0PxOQvDuMihAnnM5Jsr1HTBJ5ghDXc9qDG4eJPv87bl7vlHAiPCdoEXTx4ZFnBg3pP8bWG595TPkNAOdVniwSr6-3MRYfkU-7elRK0692LyAUAmuuu2-hShYviyQHgth17NXmjwYSYtJHlJ2ut6ARI4C7zRttES0BaiIAzzOvGc0UVWmmXS_VGYPk079Y3SYnaZHFiORyJBjFZNzlQkwIvPA9lQ0MAGdsfa0oShXJgAGdKHGl1__v22-rgvALB-fIdRCb5COChtHCEYBzIU9ryRCJcievxtca4eHRgNGdr8s9MsXaInC1h0pPia1c2ayZQwKI41PyOAzkHGsIExM55h5r1kys-S1oSRoOrWVWrJ02cE95BjeH6RHw5SmiABf8CCy52bciU3aDyWg6rUHyuoPl2_f1Uyso5ky-LcVAbZsOEKR7xYjBN_MDpQ9gYFprL4z7hiJ1nJuTQXXnf3_t3sECnGCdqJb8_u-mGYlIteg1oLT-838L48TUs4bu7ZEUK0dU8-DYLxN7wWdtEe36WXk6DUxIhEZCGSfg1EhEibBKJCH3uP7yLJIQQwxs4ce_8ewTIJMmGMxPUEdqdid2YzaFG2DbifGg1uyDz_RM5Wug27SMy_LfR9hGON9JDC3NlD7CmFo4KwU3912B3ClFcR_XmEfxgOv7DKpC0hGEwnZbqj1wTgdihLH5MG30N3JJYwxaM5kKVlnLkSq5NHebUAB2BhthHuhctmnL6Jag9a11g5a0rpOccHj1QShA3z9k2vEq5wpjGfn80ntpZyaL0WjiqBoJ1g4GhBSg7CuVjTZHGPwAVYnls7TfSSkZl3ucViGse-LWGfWnTljN53BberB09HfES151crfnmsjhPawnthbawo-vVs9rSchYZTJrJTpUxsiwvNg9wCWVXEWOlR0WWrGRe_QVpP_xiDRaraMNHCFE9VSJMV7Y2wz5s-jzOj7P6Sa5wioji3En4f4Khom1VG6W0lDRp5kTK9aBI1Fb31BKwCtys45WWpwmS0MBTrBNrwmVzGhstqZsrTyvz6etCWgMCJygQcf1FehjpwitYYkF5xqbTVlkwZTxTkerlU8R_GnMxVUcWKVaifsrUYrmTEEQfXpT1Rir07f5bb8d9G1TMCOGwnzFasoxkhriBj7uWhbhN0EQCSu6OfZBYqCPLfCb1HcKtNib8fxKtYxRVAbJw5CgcQHTjlAFgEbYb7wMXMSuwnyPKCajTdSAFjBuvCurI2h--CtMInqp5jSXyVvsQBmTjiX9vPzT6O_eVr9sHN2q6tUZjaUOIxa20lxMgm7cDvH7X34IqwV8TKrTpXtx6BebBKfDCEv2_0L06lRC1oAIxx1JG8KT4JOC_wE6Nb8VGTq8tm2RrG-6WA_qf56L6KbVF5pqyurAZ3-zuyTjdDj2xbpdu8gEsmIfqBiSL-tNgVqOiOTzd5GScnGvTMiT9JSKLr1YYUIm3TybsYKX5m90OT4jbTyFE5nYnW4USiGNHO08jyuaq90uCKVFjhcHLAfSU8rYyiEBtelfbxMfV8RcnWXmBPNLgnz203-8EKVvKV_yH3z83zUMopT47m-U-AghaU-N2zoawddMaekh0oNrUhbLp3vCVQoOhY1LaUWOSPRReYAnP9difpWrqvFofRl0YzH9NIu1HT95cx6hQ9IfJW3FYbEbcFEjYX9SIaJCpVvVsAYf_fijyblFaW4PcwyhDAsF0s12Xhec366bGYrLoGkhysiRXES24-oxAPVypeAkiSR4mEnXbNsu5Y2tZKiPDwLQCwULfKAuYcxfYpw9YVGhlAn0RUneWutNbc5fjDxlpUlv8zVA9frFGd6TOBoCORAs0-gkBxvMdeeQttfTeeE-fyEoLDzG1x2XqRXfJ1LIutpnXdy1BfcdBqBstDGOAxY1F4Wuhwxv6dDOvbv4Kq1NXr8bDUxGpxJCLN5jQgYIBuEN-tnbbH1EvUKGW1_fcscEm6pAe0ASACXtTO1bRMKPaZ-xpw6tIuEg8ArDd8R4BVX_du6QnrwnbCu3dDsdOi_BHQTpzJ_bxIS6KHOzma0TPPSuldgdrs09xHzve1GpHJFWuB_euDMG5QDRYFsA93SUqJbOX50g_eqGUlB-PDXV0btpfYV5vj1c4yya24brd6XPWnQ4YwBzI9DMDWDRPIuGYmmyjEl7dZya4JAIwpa1CE6ZOFpqNHUK2XVJbzXkOGH0bqQIi7Lf6_K8WwkAKMLQ-z8xTFtYWO1qqtejXF6dCljE83Nt06QfNk1sZws2HRnb3fzhAzggtdeInNi_Ej-J8t50yMV83agR3P90gZ7d4vMBNgPXvmurIO4x_u6KPx7OBGUhz-gPnguuprLymavn6jgurL0nSjT7ekYijGLDNPxAjfJyJziwQFI9FNhe9fix0mY5b1_BZtlz60Iy_Bk3o_UkchD0f7UaZyravLB7Rw8uzv1cle7wlve-oz2YbzhllFLWvHZxQqPw==","summary":[{"type":"summary_text","text":"**Refining mutex wait timing and logging**\n\n<!-- -->"},{"type":"summary_text","text":"**Ensuring precise lock and unblock ordering**\n\n<!-- -->"}]},{"id":"rs_0ec86a6c795d74b7016a50749650a88195b0a07538f76e64e8","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUHShJPyfyjK1BrBe2jqC3YR-Fvl8XVQzYX0Jq1kuoNyiNVfviUo3e_xjZWR0TtueuBZHIlYrECKaqLqrPDKzk4dMv8Sy5ft8tPawP8tJS6ZM34JQNMuuE2ntEKrhkg3koj-DIKQVjnyukk2nVmuLpr7o2bVJ-JxyXEr_IaHksnU1OQm94OoyhVGEnTKiAth4bxMVH4So0IrRiRRpLLiCouYsJPBxTkbcxERWMZd9KlM7aNcSEUrPuKjrU0_mWBd9kKFDO43xBx7Jun1l18YVsWqCPibuu_IOccgXPVSj1yNn302AMjXePaXMavTIG4LObvJUlxcfUACNOE82W8y6OMRMNkIvbEwcYiDehmPtmco_ouVHC1tHZvmeXDvBTjO5MGu8IMmCyGE-wCRSaiWuFS129OaBgNO0sKZB7XDKTKaY27kL5sMp3iSIbpqaWrCCBmqY9xG7DPcAfXK0cZMxnq1jiWtjgIhp5_ZK-_-9-v82FDQ7E_Y84lb-k_mNIfHKs41ub6t4DYkvKbXQlnpxDV_jDx0OXjIEzuR9Dpz8Nu7CzEi6fYGzNZhi7wxKgOsh0HOA7T0NHJeoehstmB8gvALmXG7KLF7BRk73K53xKTJZky_MayrZO1kPCYUeXz88soMKg1OT2t9swgfLJqqeHitzaFut1FjvLbIaDG8KYis9OdGns64mG5ulB2LytmQ4CkqPhTay0Zc7K0oD0fJcZRKvf5C5O2c3vW0GirKGsYHzZ7l9G1ECWF6kBBJjTlP8RmaeIiLmNTKFSjBERC7x1_jJITi6nEPSLb6qOAfTU70UtpSSuLeHILKSI0iR7F0RCEsTC6TkFa2HyPmZVWImuyRLVeGOHA8QLQMpoWxOI32Gy9F8XFW3_DfIUMv5I8jH_0_t6c-HaOpZwd2-1U18MDtIi1POT5BSOfpzWJw6Uh_h4vxM-v-zIDj_qTZPV1O0cX2_VAJqV4wgEV9SAlnVcgLfX46mT7lrqaqCc1nbsnZ8BHIbc08YHUtQ4rQ-Dd9qcJ0SI2Gwo5lMujgqoPvFxRG7Zui6R1MikGxB6ufuqt7Rq58r1vPxkyvRVhv77DIniKPWT-F2d48X8QKe2f7rgeP54rT_D33vwyxfDnum1G-rgFMxUsK7_I5NtIoPWqKSFV6GDxM2lstflLLzGrsoBole4UCPMWs9RL_Fl9902jjF2jpVHOnBrkiqeWosCMeibA7sN7SsIpfk36yGpoQVLjvpH_bjiIDcgcj2Og8H4EijmpOxsZDB0pS9hj98GZiYGG8vQiHGiEDOD077o0DKkJl7Fspn9wXW5pYuBX9_y0Fyx6jSnI6s-gIwyoAqP6HMOgCw-v5zAbCvsvJ9yL1R5nsrxeiAvkxboo37JNywsmHEzbQ5xVc4XSFLKjV0VVUynDxKMuAnUJn_Oq_CMyAcg2Dccy7Ki3-FQ3Tt6tsXkecYL6d-syCWbFu2UysERMzdGZnleS3tgD3WdQ_lFqE20ghGYDaXhHeQZqP9VyuRHqrekPVQdmDFeQfyFmH4f1ns8cgYf7WEcGC8Fmq1G2mGfPqQAiROaPdBP58N6JIvwbXQCrMdp5395huR-NpT36AjI-gMarvAPe5f9kh6qWYqKXw6HTbSBNYYHifJRNDBGHJDaYPxIl2XozXhCvgEyQgzPBocbgRSNVae9jtEgzBbEXVAMQx3XPTz2kZ5OVglRyMWVUFJJ6fHfvoxIO48sHs-BmriNsHwR96bWn6vvmAHE5Uepck8DX86BTg1dPvJSKli2rxyo7C2tqp4cVNhFXlmLiIBmxap_pvOW81UopNVF4tQ_rx67jtIJc4Ezq-9--kgT-y4Q-jSxwIamO3-8LyuivnEVkx2pU72uq8bbYmytTBSa2IcKDOUs6psirA2ZGpzIIhlC3fayaW1CbOhyVH9ihw8CBobFwxf2gQvk0JgXefE-Frl2wgAlG5JS5-tZKRfg0nxrbOKrRUWFf5w3PM5Eg5T7D6J2oLys6C01YUk8ODpemZEzPhz49ky8xKQjsvpIFX9f6-TAz9-tOMvsgPul3vzl0mLtzx5jR0qShzwcbusTdOuYJxZvjydQzB6WWfKEKvVbARrq-Ymt6Xvza5umXepEEc7inbuzuzs0H-kkkxABtU-LrjnivBxhwQZInaq3J_X4xRB6X8ZCS7pIR616-A3u1gfTcUwBi1NAavoshbPejfVX_uUFb4itqpMX-3PBmsH7Zb3Vz0b3rsRcDaisdMG_tk1ggdS_1m1NHtDfq6knKbO8rbWIX3bzVdcdWeAUXzitPWNdUfujE8YWT6QuKo7SO3-9IjPbi3dLOi80U28ahQibX3iEZa09zm54OMc7hX26bWyBU0paxmSUYVX2rA7YX4ylQwLeeeCqIV6o_48UhYIxHFXRPnj9sHu2CEQ1AWrlYa_SklModPSxe2qYCrTLupx7X-VXdDNo5zQ6b7sxkD0cmDwIfkgUAQKHc7vL6MPHzvg2UfaEb_cUW72ilTF1B_n1CU2ehNQq883I5_P-JCj1rDh0UI3rRagIaKmxJKBbSNQ4HrcZn3ZdvJAr3t0FfY5CT4qdrAhAcveo8kHMcRCS2Tw8JhM5hJyxjNfPvnJRYpR5ny15hmwk2oScnJr8FyTDNnbkJ7weu9NRW-lNh3FUbWhcIAHlIKO_TgHOrlg582J4704f81j04Ygu8-8LnRgc0Jucgs5uDO1iyvwKedt_Qu2cvVdI1dryy3Q4S5wze6iQNc8zoYl-Dhs_WE_bnIwKU0xQohfr24mjmWrMw11rnBkTtt0YuJuoS_Rxp_2VvU1hHxnsr5wsTYjnRQ53sgxNgVeGOpqcp9yhlKsKSFHaW_qJBy-2gngfnaNphCHblb7omjt_3RsplEFVLA_JpdjYOa_DrV_igV4sz02jw0P1iHs-FefWpvlqKtbKdcfBDXpZO0QyAMnahzD3pneocFK4ylJGZkcxB5JDPTJYv371mhDG1sFgFgqRaD3vk3d3y9eC5QH5zCWLRW3LYC5lvkJbsB0IEY9BB6GWa0WHG_aJCFgIoVG0MoexzZNTTHPLyvCEDObsVxd_-ZbBdOyIiLI2eG8YfhycDQOk0xIqJPt8YTZe1S2lB_pkHg3-4DDxQGfxgwmzr5fq08OnsOTFKZW-dp06nh9K0b6g8Uiti1r3d14LGDPPk-A8zmVXF__am4caZESu6syGxG_mUgCtyBliTJRR8Y8tCHrwg0xts8rgZGsa2HWcgKjlBUQYctyRIM_Are-ZL54i12ifvB2fa3VaKoykXD1onD7lruk5eLgqgbV-LMT9zH4meCdmAlmSl8JzD6IyXL-S13jpgbUntAD3d7zBQDxulx8r83k86YOCs9r47CdARhz-fEcb7V4TCqzUGga5ZBASwi_h9Li8TBr5-OI6yBWRSogBGWi6EkdKntDoZGKAFX0uNtaBys7UkusRMKX7V1ru0V52eSKrvnlQWF0o0IxGSj18J5Qn9rtDLVjyGXxV7fcTYZDHWqj6i3dDxg4VqEf84YdElMnq37cFVO6bCkvjr_uzVGnt39XeE4k-BNuCpwcybBBUVT2gIgFbGqaXlpx6AhcbFiwqzhT5HdKVR_1TE7cmzdV35oL0GMElC73Q4PXvKOtQpvNZg4XFIlfhaMM_K2-cn8nVf350oZ5rpyBfEzaiGJVOcHusAXK8ODBb03neiJAXGBL4pPq-qtF15iFi2emalWPODHiuFO9r2pU2PeZFUu4LMMVM_kmkpzBkKGfrONzuJlP36RQQ_PsnT7OosNdxtRBoAZZo_imgoY1ut6yPg6K6eaa5-1IBjVEiAGLk3EdLvbC5FnScLKgJeHZF2jor6jG","summary":[{"type":"summary_text","text":"**Planning poisoned lock logging**\n\n<!-- -->"},{"type":"summary_text","text":"**Refining timing and labeling in write tracing**\n\n<!-- -->"}]},{"id":"rs_0ec86a6c795d74b7016a5074a13e348195b1e455fde173745a","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUHSsyWwAhuYVqK_F5oFZzxApeclnwxGdRpYbHhf9KSM0t82Hq2JSp-lYgKQZfoXhR00AoOLc9SdBCbWB7Jk-C-auipGyrt2o6L1GWX1W1U_3faZsKo7SNDDf6txO291SulC3lu4liLgPVw7ouQ2DOBMnYV8ywKdPxckWsA7NjLteNRwgDrnv22RIdgyBBtVxE19SOoeRYjhbqrfp5KYiqW8ksvqOLDKxApuWj1d3MlzJ9nRrTAA5O3FbJOTK2ZK77hU6s1k_TN8vWcn2BJ357PQ_WfSRc7w85GOWiXKBd4kBZuUAnWqwcnqmL_9io_YiKzEA4dmLp7VFWluiCXqAJWH0f01QDBO_muUvqmGEevm9UqSKmVkBzKFebF-pF4WlZGSF7Yl6dHS1Zu_HZu1KLcWSm-JzVlunk4QnZ5tvg_zzZaKoHE9PshCgkiPjgdywrWXAkWpspmKi1Va42TuR8vibHFKOIrSnDDpDzLRDFrGFLXv5_FEvNJmcfLquifg20kVw4Inj8OXQVYcE5X056zvQgLHJTWdJWeZ0jdZIhUW-MwzRDjJ-Eh9QUJcDP1kJgscJuk3JU4NQJt0DrGHvqe3q0GHn9jsxSHKyLYB6KXCnmD3Xt2zsVIG6ZmBMir9GZb-Cn92Lg3Ac9SfjiEjkPwYevWMynlQkeAC8x8lyl67GD48xtaK6lbtbdEH5MImP593G0SwnCz8aMwO43T9z8KoqZ2JzvMTJXaM4tn6nKYU50uC-of_zjUkmtB5Pi8VHCOY-yHfizxubEHjQlzlYxSrcvmZBh8F2U4b0cjn3oGZm6K4MUWvrs1Bkjx98GS7sFX-iNhXjuo7yXaK6_5ezDPfg4jesmJ5sBiRhv_y6EsWpLtIVMqsLoWaI_nDb6r-0WZ5COwHkKGgVpASnTXRpG7iMngmWnf1TtjEb1Dffy4IV9-hMy-fuWQpkjemzVmmqLQVJ_MoFvG4EL7KQDfYS1awnmdsuh_CkTHxBGZPGSbaVUCwnXHguM8rqv-X6OLoqUWTJKf2nhO616ZRrr_gQaFw1nC0yMwmq5piGcofWpUlm6c5Fown1UYjxxjhcuBcQCSw_soRqhKQHKkZWvpEo_7Ip1ES9FpvrW5dAEo_Jt9bGlhVQxpxg-B85h7JWVuZq4auWLG7RxyoLscsGT1AEOmfJsGFzsozIbrfkkpcI2IsFYlOkJfpK9z0BkRQHqeWe0xUQoTg36p88ty7g__QA6fYyJVd2NWFpgG1EYI6orgIp0uzpgZiJRA3kxI4o0OjG9y8N21kWKFPmvwhOQL3C2xWVIZSbkNXClbXs-hkPwXN8EFlZKJja_zj1ZS-sZeCv6dwqhA2YajB7I9N0AMq1rpaYqDiZGmd_xGtqsOZoyidngBpBDs0nVU10rJI0THMJ_i_WRcaRTqrE0O2fQSFPKDgq_BL3Y3oYb5uJ-v9m4mW4HsJhZo-PUSaBAzNLgZIDCipupe22I3QdqZQK9ZctuFqJG2EHyalnayMUN5-42NX66u14giMnaYDDrGGxI0wotUpLOhh0nGsmDY3vmqLmvB7ApQuk9fuoeK4gFgcMTMVtWAULsU9I_bR2cFJlTmb44tWzCV4MolHlEtQCgG-oiHe1G4WaLaMkw24ggJ16t20it1AkH3vDVshBco5JhSRDP1d0NT35c7er1m1_NLqCnn9_tpvPCDWKr1VSYpUDoAMZvlXY_kS_SAnbRpBSZTlLbfMZ2mzRnbQn3VZF22EDFfBL3kau5woc8jsnEyXjym44sSx1xcNYGbkfHcDrgN9D5hewW9aXJbqhud3m1E2U6ZXaZYQYioBYbFOp0P6uHq3SgiAhXH3fnovWBKUlfgRx_FbICEAld3J1TooRJs3E0YPPj4AGyIeXgedv2mRIM5P8uIiEjP_DtVMIkJdC19mcfL15t288uY25PdfFF3No4QuEY72fAWK0j-Wsd0wU3e6z6wEQDwk8MSs1YlLBOuQWRfdGWbdeIUQR1G2b08Z8n382csqMYM5TCs2DNvmJKefFRXex_n3sxFatYE0LGmJMHwWNe8Oi-HCsZ4MJNI3QFbdqHhzwM2QGmjtE3TMsbsGXvSTFq_KAykdQ7FtCcVVYrcGBAy63HVIttIgB--zdNjMgkwR0ViEhiOllE7MM5eeuKx-Xp4gK3VXHVhpr38gtlnueOpp_wTYi38H3rMM0IzuJmntOn7uMwUFKll_o-XCzwZGhOWMMnO04YAx2QO5J-u8PSIDcaHl0K5fVKfdQpy_qI_IH5SShC-VetdfXAcZGYZkGZq6KVNaQXCNDMMwKuFdgGInD4VOXhuIOG7ZI1Li2MLJKaDn5pwZf8q4_qB3b-opruAECh3bjvGPhACOxwS4GDr4E5mLlv17i2XKj2-6lrV6yP-a9A7tUHNiy-VHspNTSUOTUl3z7IvuHTZZyE9Hepkt-AcIpvfYs3Vad8FF_fQHULkPWoFEmaVhf4_litiLNKarQf-bDSTTwTkAn8t4ofrkdQiul0CJ8d_ttxR0Ypuwb88SKswqET3VopkFWQ0PvvmGAIdyXv9AuQlY7QjehIwK3QgYG7dUTdXbU2kiuYPark-tN1k7sOoKaRE_mhCuQcTVwHSqULvx8aYqT-pDquX5p3WMp2JcNEDtyEvF3XbKIkmRWm1vfYkDuBSQkhio9sCJMew95wGaXmW4mpv9zAPudvdnZHdeCIeVFbw70EUGUJATzZTam_V4PTHod6okZwjLlsA2Bgz8VSBDaHMbxMUY72XOSjK3HjJiYCTqqzjPQSe3gRk1IFQLnmFxmpsj3f3Pr1wTcZBxReyeTJZMpMsBrOuXg0rEWUCxGxKPtSInIfQhb9txjLTbqRodLGmiMopXFLBKF-_n-eHxJiWDQp-3OxGSit770nHhfADSWT36I3EEaaLjox9AvQDV_X1MungtG4HH0sUtl4lB8eSMxyrIs6tITCCrFrT6nqU_-QZRpvRoLgrZYQPZvMo3MSmeo3dHiBd3BZoOlqoIufGaGWJMnhRnnWd6DwMPBDxOMGbWsAlibujApQh2NO-fPUP-oCRA1mCfT5E3Cgw2QEfohbqkYjJHE7cQ1rW64iq-QcO_qNA1Pju3PP1ma0PVfzmrLNkrgM_t-95KgDxUwX-xHn9f6C82UjxQrP6cJgbikXYmeHxRL-dWEqPCZd1X91NEI3FAEb2yFgg1FSup3UTfbcho-du88pE7gcP7aUpmJvg1Iufy3JtU4aAYzcOGAhPsGP5YfYaEN2gDfOyDJK_ZpzIEx3brW314Se7gfVLFKeMa0GaRkDc0hZvIcOUh3pEOvA5uo_8jkADt531E53BG4ljzChkKt66-zTIGApWpg_ICOVbnUVmBv2oBp7LQUjkJlZsm3s5PdzCgINQvCv9SrYeeioEZKOD3VLL06fPSFwKsYFn6hbwf3GEyKtKYepvMTGp5eR2SnBZW44gAq4bLHygBzKuV7N4mu6s3h9_PrGcw_bKHAoRXh4mlFrxdF0lEtw4Lr9h1lVkxDl7bBlal17EZigSu8C5boCxmIJmA3TbJp24fwIfi3vn98lTVoiJzQSy5WAzD3LBFa35w7D7zBVG-2Y-Kv1tfVSNc5C2R6bHaQNx03XpgI1ogvAMeooRubdC6j7meApktsu8So5gwKlQFgC6qTsHTidNZysA-n2Xc9vmQg2PRzUjYewAkykVldIxb2M2uPoK8dtE4aqqI2KaPPZ11tB4AgSSrV7-gC6Uc664VFanSdxQLfkMz_sLDrG6Pj9PdTNkfOsvXi3dBS-4O000SBsnCi7RzMie3ihjuw_40K-_qRo5YXK1hD040SXQ-gPRt-zE_TdPtKRrUTrUYMffgtzc-J9cgNHe1zkjIEnXwHil-lsQXwAqCA1gRXkVP_K-ecrBMhCYMjjUoVBKfgGwC68iv6E4LM_53h_9EEsLIUI57R6B4cb4YnntKkAuVpJusAfb4SQZCkZDqh","summary":[{"type":"summary_text","text":"**Analyzing serialization and tracing behavior**\n\n<!-- -->"},{"type":"summary_text","text":"**Confirming probe gating logic and patch strategy**\n\n<!-- -->"},{"type":"summary_text","text":"**Optimizing OnceLock import usage**\n\n<!-- -->"}]},{"id":"rs_0ec86a6c795d74b7016a5074ac83dc8195916500fcea72fb9a","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUHS3xrS6cmXUou1GMDi_famaGKMkjtFNxW353n6JYW8HresugS6OIb_1wk8MJBgTh74_Q5mtunWyty8bU9Q1fAQjDHAX_e-5giCVq1ZLTOtBvgo7XPxKe2tewc_oq_DkHLDfcwlq4WLKChc26xrNrpt9or8Se5gLSqGWcz9xS9nbry6aTCqy8i4jLtLXGQ5LXewC36huC2tMpBha8QO1YdKxddPHTyMJ32uf1OffYv0rcgWD4WBrLJLbmaPWXKb8i5n5GHiHHH_ZplvYGfoVlLVc2x9XmUXfxidTO_3SJrwNb-o9vBxXafM_jR0aIlcRWUmhe7qsQHbvqK4YEu8ewuE10vXKHH3xaIgNLlSVpAyaKLkdKgbe4mfurmYMW4UwEDJlR1uIgLRYQkqHuZA1BiK50mRXBiiGgEhjnHTSMeVfUuDhWEvPD0U8zJcdSbT-2sCrXPOgNl1FGNTazpWN-4U9m1NSwn0Ga3G8bQd15o1SQdQ2ARtzx1Ky8gEzUHwxBDngQ_INjYaVPJBRL_C_HsYdEKa3MgLIHklSe9jQq-cF4Y1dkhAHjNzYyG4VdW_davKCDdZ76XoaFaLlGFTKQfJuMZTUka7hJpbk0TCQCRrr0dDseBsKApXillshDUUtrErkJsr1EOq2N580GTro9kdw5YjNful_oYo_m2IAq_x7-ZfJgOIucQT_mGqA9MoThZkKLwGKkH6YuEctDZkp309aQQ9bALlxXrif3hjYEwYbUjZV70lQJD1n8ngWb4VzvytXR2d-_JfSFOBxceyMR-MUVABSQHnFxMIPZdF_s2hK3ungdyfuNdEOmYJdyaqTMCte0eMH3WLtyx_TaD8whuLPHe_Fy5br1zL0xx2kjY16YiBSK7O8WRsuCJYslKgUV9OggZdgwJyAKnMtvbylYfpUkA6NrkM9f7yMB81gtyCknODSSokCd0cowZZzCLs74L8cc6BZk2c00nlh_qpf1jF4uy6x8S7A0dGy1RLR7EWGRGG4R2_TqpCoxKaKVFOQsejo52j0rGFguup4IN52BebC6FCZVKVkAHDzFNYOlZ0-BHy5N0E0Xsqf3iDd0R_DB11mZau9mChxV0lFCoRvPxotzlcD7kBNsUN2to-AYukVMSI9SfBChf2SkzvA9ysoUu50W43Ps42ZCszynhsQfv5BS7Ckms5-e1RIzEi7fu3BlJNSmrBip6a9oKBKtdYb1KbvKFpW5xdOQLAbCVkH8GCGJNsdABCBwAZqsO6SG2BIizFJrxowGUN0fWE8V8HjfrknyI3ssfG_09PirrDo3RSLJTzKF-aX_fuP5ep2oaKge8iR7p_73jxbX_1IByReUIHZ5q8RUe681BU-Yz5L4MVVri4P91Fi3ZGwxPOeB6OIbwQyLv4ks2VJ7h_2wVjJWhb-mC7V5zP77eAAj0NrTLO_V8nFhAJe3USdjAXKCo2zSfOCkVNK3FoXmxe9RkV3npZt0qsx0aKT1zMIGzki6U-MJgBOhZuU3hRAUUTjIXXLHDbDfKkK0P2fYAUfIe6dftFobJggnBg9Oo_t1dcdrEfR53TWV77L9mb70482OuuqBvUqqHNH05ALUT8btyoqkx8vEWk5_QbQM3GcFi2BBcW2qFGoZ9WH1Oo2Q3XoyupRYD5anchP1kAXZ3b4IRRJvl623sl7Gk5cpJUNjMIsHKbFe-YdfWluQxZeihtt5Suo3Gw-qiFkXkGQ7Vh8q7C_2R8wD9uOhRTDEn3uxPl8En6mthcB2eVqlckkK1HfVTq6QcEvRCyd3Fn9InBrugDDnWHrkIwRLibYVpYcp-AZGSRCk2lTShLuE0erATuPmodb2IJKGtpzNM0R9FkpoGsMFhatPunTLMjC36jLZLn0cpWbNWGLKEaKPZmtYqlnYQP1GggpE4DxEiIc8viNDjEovMFKRcX7G_IFq73Zx6VSQRdlh5CIzOJcjopFwoWheKD-IRf357P4u6McDC5OC22mVZTm6fWtKAQhGHTlXtfKLZSvUxnWubOW7mS6436MaPDDcue9Pum9LrN-BVfEnPpkjhbKeSRnxPClk_X-s_oGr6GnppzcAC3ddtg-LE67VGOlsFwkOlp0rQFZzfxHyNuGRDJLjSijF3utaSYO0z04AbW6HNDq8_xIcalT45dNtxHoyxxl3zHCBT_ITZMaI9r1TT6SeuW00VTQduy9fA2I7T4X6HXfHNpR5zaacDLVQ1ZhwE-hSfm78Swc7BeknMPpprKVKtpUDkQhJtWmBg0MmlBDj8og4Yx-RSjFoQaWuUCBy-AvK2QL39RXt2VNkhILE9iYqnxTJnR9tBZS1BNjTPWA2BYBk85-Llsbdl6u3q6b31WNUabhX_QMYRHNvpIeAVm-hElsGrkmxT2LAyltHfCJguvn5Cottj7pvVlwTSyHITYABQAG3g8U4-rJ7rzzt45UvKCmAsFdUSGq3YMM-1V3w1t6HR794NDfkI3yOUAs7bfyxe1bVh9FafIIDI3DmyFL0cqBUqiY_4Q4HOaDbDVY120eea1DTA7eLnLLbkEiyXsVh-Ddyx0LZdz2U9tw6cSQGFW-ZfBIjHeooRYu4hQ2dzlkCh2yHItRXxaS9JLS_Ssqk9EecJuwxjERIB0SLmOBfgF_E1IIFcNSf770s2axrtCj4bDZhr0ZI4slvJizsza-cp3ZNQwSsXI7iGBg1CBq61V_7-P6s1ItHLJspl7VhYxrFsb5AFtAf0bHgW1iEk-imfP8b3C7km49zdTNRyE4MREABWM4u8JsnaEqxAnvP8dWbdsJzHH5Te0cIeuDktyVzWfGud9G5klaYCOX7ZqLP9nXsVyo2s2VyxRDpfVV79Z0yUPsED8FXNawtEHmltl0OJaJy88oiIQlPDyPImddCwPvAbv7tIiYTvXG_m8LOtrNTDuCDCA9ms3UqErkufAXltZ45oOLs-zgB9g4vLgp-XdHEeI0e4yFdcRc7sd605uD6I3U3fgfkqLJW8rUNs588Te0lcVwp9NJ_cnjSu5rvsPsVn-Fbw8XEwAJ1l2-kCCyfswKkXGtgL-be1z-JqXZC0m9xtJrw1G2YoYqrQr9FVhLFkO8IR8TRzY4gelI3-q7wZ1zkqlG13FU1MCHbAU3pZy9Higp0HdhIxnoTbAYojiBQO_OuGksm8FIW92YlMGbQZexQP7mTULYAA5YCYKj7sLmE1rkc8m3OLHhka3eP1qz_ROPleH4nMpiASnWvX141nJUxihfDF-QtYwagveogO_Q7fRy43RtnNUje0baIKBeeoLMWzAjSVJXJssV97PfpPKuyy9r5ucqoGwGWI05p7qs-V0JKot1bZMaPOHl01rwxRn3mvzSlh1tG8ie2iJTsGVUnQKjLgsF8k7hwFHldfqi-zxgyUQIEl1VUBeQSETULssFxUzMP9K4fuJR0Knw6UGwWWrcXiexL-VUx606sEKve73DPx_DpVhRFePIfJiAwBu3TA3bOAZmw1J6WFWeQsUunN2im7hPp5HA1YRlQ5UiQvCLgyApyeZTrgEy5HLoU6NRPPpR5LCkiHIQyX8X69UfDXRVh7kXQyl2wsh_MEaXQByOPZdwxDO6IRUNFvRvaBoAoL1KfRuzTT17ZUCt-pwd--hs_phlLxJ9rA4c1V87VfJBOGm8JMRfgMUibUI9p9QKin4o9KLpIZqs5VXex6SgBSJhj_Hp9GDTo9G_1zbbsZX1KN78zeqJjeTlrf9COCDzieIOnaxNAX5u2Q==","summary":[{"type":"summary_text","text":"**Adding RCA pty trace helpers and controls**\n\n<!-- -->"},{"type":"summary_text","text":"**Implementing trace byte length helper**\n\n<!-- -->"}]},{"id":"rs_0ec86a6c795d74b7016a5074b74188819594c58d56f0bd9acf","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUHS_QPq_VuthjxvnkeEBNk4uP4zHYfmySEFZKCon1qo4XGoYVGzj0InW6Y4bQmACTTLNmEHt7DuNpM_Ekn4RZGvbIitSC-lLwdeAjkH1DCPqYgXB-NwtkCyiu6ZZ92_nThQ31U2hOrhhWZ0vbLb4IWyzuFDOsDlY6ujYbjrclqEY38ir4XMgljtoGDfGCfltj_scALostMsYtNiha2JNfPDC8xfHks3o6EaR4t8ghqYb7YCsnVvrMkBYcGzP61MpbUJXpIxugAeH9up4El51E1pvlQFsb0E34KrqD_nInjnFlFiJpKddYoAy5cT7po5sRf-uwHOVtTzT2Yfw3F06O01hFAQQAcVOep16GcHx0WMu3fwa7SyS-_Ru9nfXSwdKjHoBYfb5ZDPa4Tc28S4cbLdLiNmyhgAXXvvKfTKeVEuaekcXlZjse0Wj6CdWm7BrpXSVpDixChD2ELhE0-q3TylqxBTC6xVcI2iU1wMZ_P49GF3Daz_YrIs8qy9-ObMnzdL-hde3a5RSDUEj9xd5FCdTr9oGQ9hU4RS5Wh4dtBCHmW7-mmEnPAcjy0UNJtzeLFirUqFF0_ZF-H6oLPlJjisQAKm7ZgqWYHh4OSCHKj-7M6flTWw9AbBoZk9n5nBEyNb5rHqhpcAxBZOo9hG8c_oC22DB7XGwALIOQQbHB4WXrVFG5JgUho1rH9_k8CU4X8YjyZbXKv72v8DOtVE-j7mcUF-QyVdgY4Quhr4vveWxwXCH-PNjOs8EG4UfRFiMnKKrXolVZ_wPb6qn8VtyEsPUnAhqN2Nbz3D1PeEksgQ2XHJNRbydYE5sn4Jzgfb2AVXtdNPN82FwMPPkRWOhfs71ymS3NxveCJWdTskrbVXAajKh1ocoV2gl8m8LsEBN0UWIqOxy92bcyNQKSGKRW8NiyW8A6rTdGx4TkYXoSywIB8V--cDekg9Cj97FwEf-Ppfoj6A1wg_1ihIpOhr9QTPnsBJ0DNv7FV-KPLXHuG3-l8bRD_CXUlpTLUqcVVZ-ef64z1sKRRaKd1T_edAuCu4oYjoaltSaFPgu1dCVoEF_MyvkzDPQ7ArDugeiqym4nnWNDLGtHM-iBOJNk8PmAt1yDrltXS7z_sgxnzqROZYlcK3LOgtU1NbwHcj1DEmZakIWJ0mJGxokAuaDqNkHFg_WmUaV0v_ZchVnFmZiAHeFx5GoLM2MCh27ooeHylnIL9TLV3G55MCzti3fPKoO2yoFrDz9cfOEGJLhskew2HA2mHwbHN0U3YU9Bt0wZsmuUaE6QPS1kVRN3nORcAnFf8XQJXbgGvW5AKws281pJAEqBF6Cn6OdVKYkWAI7QOky3LCKUaWWx6OLhpjuu-zA2UjtoYUvoJVAQNfTemnu5o3CPCkzmneC7jj-VEOkU9Byq7DaVdr0VLk37xeeTLOyS17Jw76ekMp_4xNP-lDyNN_QXG9pps7PgGHlrYJp6Noh4sN5TscQoL4mB_qq-QUfl6z-z9dqf29nkj-I0BziPHXxCTjYrM5U-mhW-oReANz9XnW9lFWTnEZrhaHvsvx2Bs0_mYQ97onUnqN-sKXvzIO1qb-cKKZmpTT63xiohyHwY3G_J0k-M80FlZxMWXVHEgbLVmvM58QdGrxLPlTJlboXX4qHgiuY1_vS7pEWCBITK9u7z82TIdVwPtLf7u5VkpUfWJiRVxArLrvd1wWTE-kw8nCaeGHOuNeCznddu9DqXMJTYR5bPCn9LoTSMevFkaKk_dKThq6QuMfd1ekLvdTFbttXk-HFF3OmrjsrsiLk1ue-t-cbhV9vaWk7zpGeZLshgJq51JW2e5Gq775dDh9zG5OQgoI6Ob7ywxu2tCisvISKlZqNcC-ke2dRNpFKSSZjdIPg-bBt0zkXJMmhlWXxvZ-2u1BHLW2SNLEdxhc9T_9zXoWldSxO-rxl7Bam0cK1vZ70uizzQzSVQWBhE-G8nWH9usiGPWWlHzwgHC32lgs5PpOA5Z6z36QuOz25fH50bxQjocWVoFzxET70aNRsZjdd7B6BUsYgsF0fv8S1xWdVliUm3kx3QG1RUjcTDaqJ0bG56qLBRMzQb_bh0Ruad0m9dK78EFMM2aD9lJQrkAP9WBvzJhj5kiF4c0kTLr0UXjdHCs6DlmSlbNlaXY447D37eGEXPy8yFOabh8ikLWCCXsZekTNNKGQib0lI1oQ-KlMjqOhA0MBXRPNW7FJzoUKtYhTvHaAz2RT4lJZeIR8jIBoEQo4pS9MwDFDhAAWeU-74MNbi3H7FS4TEsBRpE8OKPqqH_d6jL0Nz-9ocs6wAzaLYHV5kerhtHRE_Mlh2gfCwjdXcwDUWU8Yt9es8u2VkfCS_ZKGA7yG_mbpb7lfCpOunxP2vT1xgwTorOXzoV17FGNfXfMHRV0_RIIr5DcRbFWw4zBUmatA6ZX7ChWpUpSdS0YxNR0phbKV0HFsVyB1Usn8HFBlAAMUPBUr1qO3ZLWagDtg9DBBTgWoPY1YAvFjvK6yPzjz9ByYtyqankmUIRq-zX8E7aLB34vCmuX3r0B4tzuekYGZoq7z45X6FZ7UgVr3ef9ZHPvtFyP0DCs8Cy_CWlGUz8AqQD4OrhqEQzOznzKhI9sSfv9yhY2Rt2rGbGRmgvHT2ccohP6UmhonzqyRuGPO3Bc397Xs1u_mz5158uEFvSiwXIC45KRA3fnPqrPsZKgXV6MPkq8pHmxu1XpnHbjYd-NNi2yvrghNrk43jcIRfKfA72idpcUh8DJDBd40O21JKoym2sTnghYbzhzEtlVErMUfhSXOFPfMUIUs-HPNJaaEsS3vmtH4qeFDO8wtG4NC4BWwVVeYfJQgmvvbOvQZqSacYeUp7Gr8ubzM9I0U41xNimH3SGSpXAJAsTW8EduLidlpX1vFAmBzkbFqLStLUIR8H0UMvufg4sIrbJc205nHtVSaccEwVUNsB8P7nN1dY5h3iCFZH6S6zQUQkKAR_LQtH0H2b8_NFQltDJzPwyxMWtXRS7SJIn-huROiob9uPAToHeonErBB2yyNn0DWeWJr1vUuvyQl8WhmafrPE8rvrlEs4FjfzQvrfzINsACqXk0FjtWBDwHNGQJehbeQ8dygaQ4k3LEwKZmzmZMibgC_5Q20ScZD2M0O6awXA8yesJcNGKxI-ag-qoO9Z62oreTRJ7HmWv_6as-ql5XHiH4d8nuclFROAsSluMHXIsl_6_phnRrdVjJJnvKtTcsgah9H1wbJpaFJJXKYBa8MnFAkB4T2oo7Ck1_uO9iN3_KdxF2j4hY0gpBf2lRtgh4h2KCpsS1DQM35OKK4PfFCk99S-etSKJn7GelI_i4Oh41PFvGcnaKGRBcPCPw6l2mic06WdAAQy-UIphi_wz7kNAj557aUAIqBmj-Czh2g6uTWOBBaIH4x7b7BAdzo3C0f06uAxxpsTCWQ_KxhigknwQv_RmJUcFSlG8gZ6vV58wB-zxd4R9KY4j7nWwK2X2Kxt_1EiKZM2yVEeIM5d0i6DbVlkNlYhaKn-1-Q9EjDPoYQy4dIzIPvu43HlfE3HE2VIvX66qwxBWSBW4_mTJEalLIGzTGPUopqgGekzXM08vIT3gAwGm-qojTJ9vho_ntN-Y2B9bzIJSHXmWLjtoKiWTCgI9F8L0k6i-Km9uBMP9ZhHt-h7jrePW0-r8kU31DrFi6yLlR5154vZvM1RoST7ydHDwsQaY0XJTcsEKY5k6FLpW6SsGQcgSOWaeGtxE05ZEKmMcOVOaOc4az4y4vfb29EnuMtKeS5-EfXg5jtqFybDKRHsNXvxlkIGJ1TFAA2vf8fs6p59S68=","summary":[{"type":"summary_text","text":"**Refining write lock timing logic**\n\n<!-- -->"},{"type":"summary_text","text":"**Optimizing write result handling**\n\n<!-- -->"}]},{"id":"rs_0ec86a6c795d74b7016a5074bf3d548195ab1574cb55b5e199","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUHTHkQFbqBwbTff-Y555zCAFaHijlvCEGfwkoBGr-_7GcAWFMpL3VTNra9zxWEkKekuEAshO_hqQ6dH35bSTE5u-Zqw51jfmwhE1VbqxM8C6y0HbwI_ofaTGiXCQYUGZLXZkf1s9Xargi917yxWDoZ2ep3nASlz8rJuKPVZB_S2FCOibl3J5KX8cHdZxfrcgE6RycnGkdNeoa5Au_I2tzceLQmu4mpJVUpm9KGBVspRNv_ZmW1H7Q3N923VS96a2csofZgH8UXi_a-KKLJJ7Q-jczPOyJyo0Nlkot1jsG8JsFXiz_UmzrZ84p_P_OMHHhBsaxv_Ln8ft8uTv5V9H1wmtaV_qf5fT0HbKrQTVAjYW3AXw0Ia7ESqiwGkUFPjviebhjGBjpElZHPIqgS4l77dHGTHzhFZ_BMoGCRY8qlLg2mMzzqxKhU9iwVLbC_JTA9JRLgiH7WvwRXUoKtrtLX0cZ1lRyXjI0zSuH7AfsZgzZ_m8OrQ_f0u5v7DGMbJBxrvuw6K4128Zz0gXfX71PN-eCCheYfpGS4VzCayhiBbWnjrwvxPbPNJGerCbjsDAtHGbuEzwN0qKabSn1xd3Najlkagd0Fj7d1FUEYXXYbm4TZhY-vUVFJptBM5CzSGn6BiQzpSYNsZAABUmoMevXJ2CDW4_-ZbWltotN_P-xpazPzLO9ABOCLp_v46yYihAJWyPvxchP8FA9WsaaxMEQK0Qj8mQ_XkyMkf5l7Nsak8LaATvImBPhBgyImRCHKr4UbUVwR9loAXLlDSJ28hlx2Jupr4Zg5-5mq7MIcnJ9PGEFVpSyFYtmN6_W39sRnD99IG3yEBaanI3nQNZIaRgsaP75eZvQpCjwOKEbn5koMYjrg_Pbs_x1OgJbTtTWTXekV034k3wzp-Df-FvH-ZH9ukxzXenfSiNxuu6RfGE7m9l1m3uNaJEKOnHGN01G6Gg45ECgDByTWHuOVPZjH46FUAWR4oi2-aj_z_rwJm-irLHX0p8EKFAWC1l1wzaQiXvbEZHi-Wffx0rrJR1IOKcoVbcMIDZmpTDLlbP9GaThzAc4xiS3V53sH4Orplkgu3tb1_9yx0-6fm0KVRz2YVGRxCE6UCluLC0exiEP28P6UHMEPyAwPUPV8O_i0iwMGYUaHkfgRHX1CtvUKE-AE65cKRB4NQmWun7b1rs-9o4CUV7DU1EeAWI9iw-AkceqkfZqiK4pibJj2aS2Iv1XUf0dvmBwmH7KRgd3A-B0ruve49mi5PTOluxPo1m_HBmyDPBUPwKh36VMIk1VdR3zL9vyuh6KOzBkOwbiJL96uBnws649-8SzANqch9D9af9zKOHCVx_YtUo258FuWC6VQKhvTVlk6ttWjOARpi83tkSCZ4Hvo5__L9O2OHx-jh_-bDv4tCH2s9A62HGNN1f8iYKhmJgFxtvj_eC3g70vO9wdYCPu0H_P9Xmk1ULUpUo06S6zMbXvIRdhd9zoY46m-bfzVbBz00cNLHxXv23ngbcd2BFqiZHMd65W_Rn5DvotSadCC7sY2Xdox30EXFYcCXuqnqHYoe5QaGDPmtYnXaCjuRDuF0YaWBomOn0PgIpyYAsEPTXScuWpgZVdwE1DybVLQNLno_ca3qluOlXETyB1ghdfCKqufRN_R0dSpQ1vvIWpX4PJO71sLaiPjHRON0uNzsR-QenuUpHFajLWOz8q0hHBKY-mLz3ytPV3b_jbZoXZyYqhB-_7CMOve7tCO-4ZQnaR588TTzl7mbi98u1na8yITeIlRkaoWzZvLo5BjVtpAuZ5UnA5F675LgPrpjMA3tyFOd0DbLb0no6vRoVbuhoO6R4UZAqVikfdMLKWyCnHRa4FSr7gVmgctMAdkJkFQfEP9mB2IrUa1jt1FHer5Y54QxpuUwmGEJ83lbkutxxPLwkO18Fh6bMqn1PxPoK7dqC-fjEzJdJAq3KwR1oaK_NpjirWaEgR4baTKjvJ0yzwMc2Oxw4BU6wsg2PXNFLDpz3PqKc4pUaUEX75vpGjD4D28C-jVxdKoUwYRY9vQA-3lEChPfs9zxY9h-GR6B1HnISrCWjx6EghUo2WdgZxIgEKzGvYhqURKpgBavjJxxhKkLxryyRzzyRw2Y-pW1RDp5rq2V6Te8aKKxWBrMad3fWz_sosV1CzTzq41ofeWWgIYhbWpEQCb0uCEyFZJ4opOEedS9EuW0cDOas2hM9UMORsEFuw0W5yfWysYfXv0XoH-TeyFDlbWmgc4CyJ7e94vggVWFM0Sw94LNOYfDZxm_Wcko9Yo0d0lvNd9vzh25vAmrie_fuDxNhtDf6NpJ5M69Kec3Ae4l54jf5-jD_s_mXiznbS7DvI2o3il419C14p5SxummL23EsZ8Kg_ExP0BuYrES2-eD4rkyqAiaOmlmXpYXQB5lnpKUKyHa_adNQqJDgGQ1uDxuPQwaT7hFYdbOrGOls4SEPTuiQrtkkDAO7rW6BHMXAUYMEGVSneO2kntSsNnKl9V-Hq91Zx_mwc24gU6k1ies2Bi48jOL0v_t1fRk4vVGAJbFlvhF28Y83sYulr2RxNd6is1bGtfaDwFDsQFgqM37QSENKElJtWNYn3FZPIZ4ISXt5Ibf6llS0NM3-2o3DrV5uBUl3lL5SU58EmB_9HwWTW2c7d_TxH-C6ubuZEhF4lbCDPXIQ2FL1OJakqqpBEWIJjL6d-GPjKM7jgEV8Z4nkVmxeOKzDZhzt6noUvHKOlkdduknV6C1T3hDK_b4o7H7wLLheVKmxNO1xhlqicgiDaqRWlHXLL3YclHhm7FCm5sc_xueLbeUBaTQcyfjxmXtoS0OgPu7YqNlouApO1SxIsfgpbilyi_lz8L5fhrDm2KXkIliKNzWpgeyh2EPxsGLlAks8KFIEIw0FPH4Z5pX2jr-CcYaX9FOyjyNERhZma_qa-rLevpQ7fjf9O-gwJXzNfIQhCzaXdZ61xfyyMd8A2z6d9o7zZcBae2KR-UV3qBn6pmrGvF5T1NIqGuLAZXqPxz4WCwgslzdGXzdpUpdA-Z088LkmXApZnK5l0AX8jTuZj5GIHo2dZeOLo2aqfjz9ETOAePrTHoUIMP5Kt_95iFcG6qkymiNUUQBitB2b3sVeCv_xjrN1wMYd51Yp1zT9mYjYrIXeY-1E31d2rGlsSNwZ4cqRvVpxGNv8BFrPAjZeOXE9p4dSPayPOh8b3no7lNQ7zBMSLJEJnaOKKoH-HvwLGKC7OWE8AO4FVACJI5tZdc3ewN8G0YFxJMXAu1dPvCz59lLcolo1rAfKD9pTeYy8C88KPWEoD7_hA1_IlkSmMxl7S_aB_Gyu8jtypfwNDyrWsiBjWAWIPzbUXjGyJzLBY2QGVRO3a_9fWk8MT_v2Pe9tpCicsIQRnUPv6_6qBJAVYFsy_AvCUwPv3BtKzoIkrYB9iPBKrI4P9BboOfde22iKekAuvAN025g4wO8LrVQUafjeE_sOZS3FfoR8kNmCKxWJvU1wF5H8Ctcxl9jU2V2mAxcTIE5CCijkjZIdXMyPPRzVv3YIbTB8PdEnJLS6RhUCp4vmb1lxU_wjUODOt_F8Z1K_SN8NXoLIHvLyJJutXosJx7daYqIoZE2uD7IaBYc7WxuhsSb7YjoUq884aKv6gZrVg9NmqvmoP0AC6vI2hM3U26rz2Hp0FjEsB0OB1yRZlh9Q9cC3__xsF7yTRgPzr3bvdMx2h5ChsOlcukws-OpxYFAYJVgtT3bJmtNODNFxysM9Ul91Nfhulqa3iG05LKRlwfvbBgEl1vUm-JZgIlrEAbv-4gS85UbBUvjzmJs4lQRwIgj0INbkfBUjVubhLarLYJeVU9XFDThiG2Jy6Kdov33GJCofyDosqllW-0uiZX5Pvu1yETo7TuppleibXNgDkleCqUsRb81Fyopnc9fmX0Bf8BA3IT7XWmFYGSWlfPulfWumgPr783dLycGORpGnYIHAoAePs1esVOLwrsiXbQA6cqUkX-cN6AcyU2I5a-cC_kjS2T1IBsfJp8XwNYbGzPfH","summary":[{"type":"summary_text","text":"**Evaluating necessity of conn_id field**\n\n<!-- -->"},{"type":"summary_text","text":"**Considering preserving conn_id for tracing**\n\n<!-- -->"},{"type":"summary_text","text":"**Rejecting refactor to require conn_id field**\n\n<!-- -->"}]},{"id":"rs_0ec86a6c795d74b7016a5074c7a25481958f866a9b64503782","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUHTM_Tq4RlQTWRmocfMVPa9aqaav88l_F-wkyFK3_Iv28wBw59JcNGIbfHB2qnQuvIMmhO2KUqMVjPS2-q-ZkdCBw7FTQ_MGrju1WVD7YIpScgRVrVZA8ZL6i3DbT302p000oQ1YTiEgaWnxRliyz7O34t-jw44Vbem289j_zBrWA-sVTI3HzjzekyMyoS5pzoGaOmzKJeXd02TPkHiwUNFB-l-hiHF7D479PBe26rVy64khpk_wcVmGRwQo4B6sdRLrUA10ymzp6H-2Ms1huhyUr03Rl5Qk-fvUFL6OOXw6AJEtz0avkTSX2K70iZ0P1wprkjeikq79K1jp2inioOERwH3XKajdT7qaHe13WNamwueixjTFN8NSKbSfiQyZCSEqIFo8KOsfBu53UauNPXm7LxahyBxzXOv-xKA9w9gccAsZAge7tkOl7ChHGUGpEXVLjLF4LrcKY3rJIylc9198jnRpBd2R8ROdyc_OXh7SEVuAcRIUk-w1J6bdlDx8Nq50NMX1XdFy3jLA6SknsjfF03PzGpuSC3FD1LLmlLYbPKbKkVcri37Y03DdzucFm3f19eoYsrydKd3TlXTy6wvnaLuJM3mKet3F8iBvybMEIc1Np9CYUNPWRL7eiy4KyJtqx0lH_QEVJRXxPbWjXKJXtm0G2lu2YslMcj0t9SSukUcbxtGO1ATQC4lnWynkEiFpojotcOrrA0I5JWis80aUIkYi6YdP5zkfHdihnW5IC_uUs5mqcaqDxYme3kCHS1qexSQJ4-NBxsC9GAHQTLmPBsxTpwINVDKE4fJhgHh4H26ABU1yYb7x4xvUvhubweUlssEQYWsWSpjR92LQIwYFJXYdArt1TPSm2qouuwGxvGVGbrWvvWeLvpDv6RDW__xD27o3r77d9GHpxulBQzMaIURJb03YZJsN7afLZf5EcPwGarhndMqDBlCKbJK5Ea52Xb5nCTbybC6X5IgAymd_Lw9N1rCwEsOKaoHXgYq6f7VduYBIHQt7GCAjSyEr-HUEi6cJ5Xqk8iwnVLQ8AVg44SvhJhAJ58bgMAYboslcM5GiSRF6fQ7R25AAIveRcKTvPAytIvesfC5Dk7_9yEjrLZbmqtsZSRbQheDsykdJO1jAiCdLa10vjZpOGEyTW9NRQkpIaV-iBZpLoJ49gKwt6yeM4jmOks_EutYl3DSfF_Ho4VPwipdh7SMoS4_ydosH8KUXUdiiFDZwrwQ3IgW6pmThCo0thJTIGhK2iXM5tS5cTuJBKqjhR7zzdcVDppXH89NoHjU6NK6H1DA-1iIqpDjru6gqIeOAzvW516emic-Si1rOkjvhkpBjuBBmLeTQpYJyCZvb0nfUf9GlhYqoOGUIax8CihyKG-hm9-777Hcon3Ij2DPb2p7EUIXY2qg1jOaNPye70kRx8zH-que22nHu3kqi4-oVdYYB-Te7nybZisrvJ256xJuVFXCzH3i4cTGCrVwwRUa7TZ678xCVlj46XXu8Kj_rOLuG77Hu5cf6kAwKnmUIJaawH0RmUGk01CtncPrXrC9LTeLzzPpJsS9RxUh4PAuvnlyvu20r4re0D5ctZuewmSEu7JHaUfkno8rXHbJVguiTU8k4MTabaarAcJhxCMlNHYGxxuxGvrc_VmP7-cpgHqObDGhuxOVLWawVvKcgzTuFaBWbYcXHVjfvNnFXFLnXdIb1bnDMBp6w7TbIrPr2NDHm0p1LQ0knLeYkn8JbgD4hgSZcnJ8hiO3V7DACH_oQzGeYnlNq65_UrjVn51FbkQkfrujv5egJPvniutzwPAk2AR8GttLDrmPZh1Pnz5GqV52D143-PAe52XH2uhRXzt_Z-Xdhv0etNcWY9WgR0cqjDaOxdA8LQ_zDuTowuwToMSLUr9lai68OOk3IBmNNBRXayjfGqEFn-_Tha5seMyDaLJSbFreaGyNxz-9b5zvQ4dHxFiaBXQAHsX5d0RX_KRJXLLjp6HLcSIPI6hWOsmOs5FeyRcLvOT4RIFGz_RdIE7J53FUE-2RVEahKzrVvioA3LplIIi-wvmIX3DCzbYuvXw7feSIPLtUW3O6nGbTcqv91LVgHxxcfFO0H8C6a4ByC4vbBYUdNSomxtA6GLicfNoB0AMulfg==","summary":[{"type":"summary_text","text":"**Adding connection ID for controller state**\n\n<!-- -->"},{"type":"summary_text","text":"**Adding test for zero connection ID**\n\n<!-- -->"}]},{"id":"fc_0ec86a6c795d74b7016a5074cccf8c81959a625b68f3c0049d","type":"function_call","status":"completed","arguments":"{\"i\":\"Finding spawn dispatch calls\",\"pat\":\"$OBJ.dispatch_spawn($$$ARGS)\",\"path\":\"spt-core/crates/spt-daemon/src/broker.rs\",\"skip\":null}","call_id":"call_G6Oh3ZttLiD63LpxcA8lGd2p","name":"ast_grep"},{"id":"fc_0ec86a6c795d74b7016a5074cccfa4819588a3f1b54868b3b9","type":"function_call","status":"completed","arguments":"{\"i\":\"Finding subscribe dispatch calls\",\"pat\":\"$OBJ.dispatch_subscribe($$$ARGS)\",\"path\":\"spt-core/crates/spt-daemon/src/broker.rs\",\"skip\":null}","call_id":"call_QFqY4X61faea1K54eHnHOoap","name":"ast_grep"},{"id":"fc_0ec86a6c795d74b7016a5074cccfb08195bd25b1adcbf033a4","type":"function_call","status":"completed","arguments":"{\"i\":\"Finding resolve subscribe 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{"type":"message","id":"bb7724a5","parentId":"b813e7b6","timestamp":"2026-07-10T04:28:00.091Z","message":{"role":"toolResult","toolCallId":"call_BxfovtYky5KH4G100OjWyDYM|fc_0ec86a6c795d74b7016a5074cf993c8195a650a70338af1069","toolName":"read","content":[{"type":"text","text":"[broker.rs#1F25]\n2970:    fn dispatch_spawn(&self, env: Envelope, send: &SharedSend) -> Result<u64, String> {\n…\n3184:    }\n3185:\n3186:    /// Re-attach a brain to a session's output under the W2.5 controller/viewer\n3187:    /// model (REQ-RCVIEW-1 / REQ-KICK-1), replaying from `from_seq` for gapless,\n3188:    /// exactly-once resume. The `intent` + `by` select the role; the broker\n3189:    /// resolves it (controller take / viewer add / busy-refuse / loud displace)\n3190:    /// and replies the [`SubscribeOutcome`] so the serving brain can wake\n3191:    /// (controller-only), stay wake-neutral (viewer), or refuse (busy). A\n3192:    /// same-`by` re-subscribe silently re-takes the controller — the gate-#7\n3193:    /// self-kick guard.\n3194:    fn dispatch_subscribe(&self, env: Envelope, send: &SharedSend) -> Result<u64, String> {\n3195:        let req: SubscribeReq = serde_json::from_value(env.payload)\n3196:            .map_err(|e| format!(\"bad subscribe payload: {e}\"))?;\n3197:        // Clone the log Arc out from under the sessions lock, then resolve under\n3198:        // the log lock — never hold both locks at once.\n3199:        //\n3200:        // NOTE (REQ-HAZARD-RC-ATTACH-FAILFAST): a `session.try_wait()` dead-child\n3201:        // fast-detect MUST NOT live here — `try_wait` locks the same child mutex\n3202:        // the per-session exit-waiter holds for the WHOLE life of a live child\n3203:        // (`PtySession::wait`, broker.rs exit-waiter), so it deadlocks every live\n3204:        // attach. The dead-not-reaped case needs no fast-detect: the exit-waiter\n3205:        // already broadcasts an `Exit` frame to all attached sinks on reap, and a\n3206:        // post-removal subscribe gets a prompt \"no such session\" error — both\n3207:        // non-silent. The rc-side status-gate (a) + first-event backstop (b) cover\n3208:        // the rest.\n3209:        let log = {\n3210:            let sessions = recover(&self.sessions);\n3211:            let h = sessions\n3212:                .get(&req.session_id)\n3213:                .ok_or_else(|| format!(\"no such session {}\", req.session_id))?;\n3214:            Arc::clone(&h.log)\n3215:        };\n3216:        let outcome = recover_log(&log).resolve_subscribe(\n3217:            Arc::clone(send),\n3218:            req.from_seq,\n3219:            req.intent,\n3220:            req.by,\n3221:        );\n3222:        send_frame(send, &subscribed_envelope(req.session_id, outcome));\n3223:        Ok(req.session_id)\n3224:    }\n3225:\n3226:    /// Release this connection's controller/viewer role on a session\n3227:    /// (REQ-RCVIEW-1): clears the controller slot iff this is the controller\n3228:    /// (re-stamping `driven_by`) and removes any viewer rows it owns\n3229:    /// (re-stamping `viewer_count`). The explicit detach a `serve_attach` worker\n3230:    /// sends when its viewport ends, so the markers clear promptly. Idempotent —\n3231:    /// a no-op if a newer controller already took over, or the session is gone.\n3232:    fn dispatch_unsubscribe(&self, env: Envelope, send: &SharedSend) -> Result<(), String> {\n3233:        let req: UnsubscribeReq = serde_json::from_value(env.payload)\n3234:            .map_err(|e| format!(\"bad unsubscribe payload: {e}\"))?;\n…\n3247:    }\n\n[Showing lines 3184-3233 of 5718. Use :3234 to continue]"}],"details":{"truncation":{"content":"    }\r\n\r\n    /// Re-attach a brain to a session's output under the W2.5 controller/viewer\r\n    /// model (REQ-RCVIEW-1 / REQ-KICK-1), replaying from `from_seq` for gapless,\r\n    /// exactly-once resume. The `intent` + `by` select the role; the broker\r\n    /// resolves it (controller take / viewer add / busy-refuse / loud displace)\r\n    /// and replies the [`SubscribeOutcome`] so the serving brain can wake\r\n    /// (controller-only), stay wake-neutral (viewer), or refuse (busy). A\r\n    /// same-`by` re-subscribe silently re-takes the controller — the gate-#7\r\n    /// self-kick guard.\r\n    fn dispatch_subscribe(&self, env: Envelope, send: &SharedSend) -> Result<u64, String> {\r\n        let req: SubscribeReq = serde_json::from_value(env.payload)\r\n            .map_err(|e| format!(\"bad subscribe payload: {e}\"))?;\r\n        // Clone the log Arc out from under the sessions lock, then resolve under\r\n        // the log lock — never hold both locks at once.\r\n        //\r\n        // NOTE (REQ-HAZARD-RC-ATTACH-FAILFAST): a `session.try_wait()` dead-child\r\n        // fast-detect MUST NOT live here — `try_wait` locks the same child mutex\r\n        // the per-session exit-waiter holds for the WHOLE life of a live child\r\n        // (`PtySession::wait`, broker.rs exit-waiter), so it deadlocks every live\r\n        // attach. The dead-not-reaped case needs no fast-detect: the exit-waiter\r\n        // already broadcasts an `Exit` frame to all attached sinks on reap, and a\r\n        // post-removal subscribe gets a prompt \"no such session\" error — both\r\n        // non-silent. The rc-side status-gate (a) + first-event backstop (b) cover\r\n        // the rest.\r\n        let log = {\r\n            let sessions = recover(&self.sessions);\r\n            let h = sessions\r\n                .get(&req.session_id)\r\n                .ok_or_else(|| format!(\"no such session {}\", req.session_id))?;\r\n            Arc::clone(&h.log)\r\n        };\r\n        let outcome = recover_log(&log).resolve_subscribe(\r\n            Arc::clone(send),\r\n            req.from_seq,\r\n            req.intent,\r\n            req.by,\r\n        );\r\n        send_frame(send, &subscribed_envelope(req.session_id, outcome));\r\n        Ok(req.session_id)\r\n    }\r\n\r\n    /// Release this connection's controller/viewer role on a session\r\n    /// (REQ-RCVIEW-1): clears the controller slot iff this is the controller\r\n    /// (re-stamping `driven_by`) and removes any viewer rows it owns\r\n    /// (re-stamping `viewer_count`). The explicit detach a `serve_attach` worker\r\n    /// sends when its viewport ends, so the markers clear promptly. Idempotent —\r\n    /// a no-op if a newer controller already took over, or the session is gone.\r\n    fn dispatch_unsubscribe(&self, env: Envelope, send: &SharedSend) -> Result<(), String> {\r\n        let req: UnsubscribeReq = serde_json::from_value(env.payload)\r","truncated":true,"truncatedBy":"lines","totalLines":2535,"totalBytes":2857,"outputLines":50,"outputBytes":2857,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"    fn dispatch_spawn(&self, env: Envelope, send: &SharedSend) -> Result<u64, String> {\n…\n    }\r\n\r\n    /// Re-attach a brain to a session's output under the W2.5 controller/viewer\r\n    /// model (REQ-RCVIEW-1 / REQ-KICK-1), replaying from `from_seq` for gapless,\r\n    /// exactly-once resume. The `intent` + `by` select the role; the broker\r\n    /// resolves it (controller take / viewer add / busy-refuse / loud displace)\r\n    /// and replies the [`SubscribeOutcome`] so the serving brain can wake\r\n    /// (controller-only), stay wake-neutral (viewer), or refuse (busy). A\r\n    /// same-`by` re-subscribe silently re-takes the controller — the gate-#7\r\n    /// self-kick guard.\r\n    fn dispatch_subscribe(&self, env: Envelope, send: &SharedSend) -> Result<u64, String> {\r\n        let req: SubscribeReq = serde_json::from_value(env.payload)\r\n            .map_err(|e| format!(\"bad subscribe payload: {e}\"))?;\r\n        // Clone the log Arc out from under the sessions lock, then resolve under\r\n        // the log lock — never hold both locks at once.\r\n        //\r\n        // NOTE (REQ-HAZARD-RC-ATTACH-FAILFAST): a `session.try_wait()` dead-child\r\n        // fast-detect MUST NOT live here — `try_wait` locks the same child mutex\r\n        // the per-session exit-waiter holds for the WHOLE life of a live child\r\n        // (`PtySession::wait`, broker.rs exit-waiter), so it deadlocks every live\r\n        // attach. The dead-not-reaped case needs no fast-detect: the exit-waiter\r\n        // already broadcasts an `Exit` frame to all attached sinks on reap, and a\r\n        // post-removal subscribe gets a prompt \"no such session\" error — both\r\n        // non-silent. The rc-side status-gate (a) + first-event backstop (b) cover\r\n        // the rest.\r\n        let log = {\r\n            let sessions = recover(&self.sessions);\r\n            let h = sessions\r\n                .get(&req.session_id)\r\n                .ok_or_else(|| format!(\"no such session {}\", req.session_id))?;\r\n            Arc::clone(&h.log)\r\n        };\r\n        let outcome = recover_log(&log).resolve_subscribe(\r\n            Arc::clone(send),\r\n            req.from_seq,\r\n            req.intent,\r\n            req.by,\r\n        );\r\n        send_frame(send, &subscribed_envelope(req.session_id, outcome));\r\n        Ok(req.session_id)\r\n    }\r\n\r\n    /// Release this connection's controller/viewer role on a session\r\n    /// (REQ-RCVIEW-1): clears the controller slot iff this is the controller\r\n    /// (re-stamping `driven_by`) and removes any viewer rows it owns\r\n    /// (re-stamping `viewer_count`). The explicit detach a `serve_attach` worker\r\n    /// sends when its viewport ends, so the markers clear promptly. Idempotent —\r\n    /// a no-op if a newer controller already took over, or the session is gone.\r\n    fn dispatch_unsubscribe(&self, env: Envelope, send: &SharedSend) -> Result<(), String> {\r\n        let req: UnsubscribeReq = serde_json::from_value(env.payload)\r\n            .map_err(|e| format!(\"bad unsubscribe payload: {e}\"))?;\n…\n    }","startLine":2970,"lineNumbers":[2970,null,3184,3185,3186,3187,3188,3189,3190,3191,3192,3193,3194,3195,3196,3197,3198,3199,3200,3201,3202,3203,3204,3205,3206,3207,3208,3209,3210,3211,3212,3213,3214,3215,3216,3217,3218,3219,3220,3221,3222,3223,3224,3225,3226,3227,3228,3229,3230,3231,3232,3233,3234,null,3247]},"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":5718,"totalBytes":2857,"outputLines":50,"outputBytes":2857,"shownRange":{"start":3184,"end":3233},"nextOffset":3234}}},"isError":false,"timestamp":1783657680091}}
{"type":"message","id":"22702753","parentId":"bb7724a5","timestamp":"2026-07-10T04:28:36.374Z","message":{"role":"assistant","content":[{"type":"thinking","thinking":"**Drafting patch with precise insertions**\n\n<!-- -->\n\n**Replacing code blocks with swap anchors**\n\n<!-- -->\n\n**Verifying borrow and format correctness**\n\n<!-- -->","thinkingSignature":"{\"id\":\"rs_0ec86a6c795d74b7016a5074d15d6881958935012fc796b893\",\"type\":\"reasoning\",\"content\":[],\"encrypted_content\":\"gAAAAABqUHTbU7E6bDBJ1B3MAaft2QhQW-C2EB5uwpJvsz96e0It1TcaBUDth5buuGL9UmAdQTBw4lQgG4PbZsNnwAYtZ2zQ61yunOzqtcJPHoMBvHWAYZXhC8oLET9WGE9qstHz8O1QPjrm-riP0-MocGKAMDhmxa0iAQJMNUIe0jLwJ7q7R_LILKl1K246y4HSqjUgTfwQA_xNUUy8HaCJ8ji1SdvO6OGfzwJerhppyDqaqB0bMHY_VAXiWfBd9hQ01Bh2PPDitYUwWHdX9ZWW801dL_i1yEfz74EAsyIyWsalFOEqnAXPs67UXc2f3b50lwii3nBZSeSepgl38Q13kF2cyjepcK1bARJhRasPbyYRmbQWvCbbHqoLvlggVJDVUXJ16R0VDTinZPvqg4XQ5b-k1DKfftvpcvvPj-dXbgqpCQWSA-2_aFDF2-PwYDBi7d6cyQ1xotbGl24pcvdevAFHVPffC1iYLrSOxSefDlT32nbKWHynNceFwaoWEvRdE37ow_B4f8b1xdCMgWXssmpMrB2hZ-OGOv0EJl5O42-6n6B-3NWbNo08gMUzG06A0vSB1eK9xF4PfqQzz013hQkTseVQKZdu0U94HglkruvjX2_W5-YFn9ptUy5UC80ApHICcLBpNT1vfgSYvvf3JGW2j6QUqFRuFHCa0KUrE450clU7E1Jt-kMc7_dX4MVGXifQiwRnxsuCBz_xrG7wSrNih7QpPefvrHfAfxpGJFRTBo-zYcFNKOtIga6wDjDy_Z53xH5mW0ulaBy9uVKaBrCnzob6Fq0lXJNsWK6KYms0d8zT8zRV9WiljYwzWsO5Ww7I0GcxJJ7jxXVwOA_86HZ8ElZShJTRmzICwrvRWNLGmSbTnvBKxE6PsHUFXvS8ZOyxep23x3blfNpekUWzxGq7H8feOSShzdLimAyn_EusZgltVXtRGb5rj65J2cTb8sK4K_6SYGiWqzeqYV6blzbrD9YRtmTq49pQLQjFzmwNbutA6nTKbPB5C_5A38QQ9AuYSLFVTsq42CA_IpfVLsTyIcCDvAZfT61q76qREPjIyEYihsLimKABipOkzvmxKgvvhqCo0IaCjcmMxCTGXFy8M1aMPKfihelrZYEQMi9Ab8x-jwD8MgHeALd8JnBUGZ3TB7dlWkUhWikkAeeKG4l9gFjESw29rP3KO4J2lkuv2AVvNKWlpchpQL7fyh-Tlrv21W4fKQzr9TxQoN3Xrxll7ILI-YhPCRR3GzFc4Lq_0DwMuYjUEUlIBxscMtTHklb_ZH14wSocK7UGm7IHupfw6tXufOIMy62veFkjvre2QGS3RH12DoIjud-dzEUQanfkz4kF-TwHbq5H4R2SOnjJGc6dOGggK8uNqfeSEoj33NnyMyHDPfEw4WFQoDFGJ5kCVCKQEdUE4rMGvhM2f9yafaoFshuLQxeH-p2rF3LO8Fomi2Ya01akUZ55B_XvKSDgzrY9LrsUKPB0R5SIau75dvLwbHK6_OEAUNhHwlgwRzSSsEjmQuTr53WmiTgV256Km7oyq2ZBz6spZyiTvqq0DjPitd7f6pkoQSus8kahlU_gzB24slNSrS5sD29hCQ3e2nC4FDytkh1w-w5muaJmqZTUgUYu5Wp8YmA6THXbxlxb68NGxhHRJY6m2n9EfEF05izlLvUDKpK7oe93jU0dGVxPG-iiZZMe_n0R7h7rB-AX2-Hi8666XmmC5HJVBfO-95zo19WudGn1JVJDAg64IvXp6M1pFVEl8PnO6wEK-nSCT3WhB2ts5bnXQYwM3lUrl9zySoAV5XxkwWQxosj8ZdgDYNi1s-4AesYVZbBYI-vbN1IzQZywjIJOZjqne3_9tr5roGUfI4TTFMT3n7SR6W4dkOOxo9HsanVFg2rDCT-rB-FMYn1PBjwtyMEBkyNaNUGjkINb3VyLgB8L0Ln00wqxnv-BAXqp459DWe9qPNBCNyL0W27mydD1At8DaT5hdGiYo5KvxTS52-czppP5dfRRljmH0cDh8msClbFMbt_K1BbjXbzsQ_y136ed4cbikq2-XgukQ0yvbi8rDZ7Kpyp9r_MSWwLM7NQWVRRdZpLjMWyP1ojtWkUmhkCJ3pPyhGShDeT6qwEmDZrV5UKoH7S2XZcA4mU3REMNGVRX50etOJA617Ou9atsv2thbj29DMQPVC81YHzo3b7_K7ZjcGcoSfU4gaRQ0JPSt8fcAW09eYPCVmmmU-MJqtHWJHFVAFdkiYHFKVbOaTIlbXL7Joq3p6CfhQ_rYjKL_G7nE4LAyCjYeK1GJIrypapoHxw0eSOXZPJBF4o3itDqzzbTp9WpN3ZiHPKwQZDyb4VZ47_bj0STS0yLCE0WEikV0AMeJftaiglRCX6osZKqE7YCsIhv9fl-I2gGWiys8klRkDlpKhp1-CNuOdV_asIA5cZs5_Elr_XEwMyPjGNqSpD_BZGL5DALAjPmUig2GEmcUa3HhSetdH3dPHVy8t9LfWTx0WeWiscPx9J9dwuzyUmx09KlesOGd1welAVe78H-2dyBkuwv05n1BN-F42e9Eam5ndeDno9ZqJCYna-C466pcohecFeU2C_gWDqjgnqeYHhDjtWuhlxiRnRvoFUGWORe1nESqm0DbDpcqOhqHhOpK5uMjQjpwv62xUbHe-SDk9Y9O2akhxdRrxGOeMLeCa7qrzO6fbeH2K5CygGxrqNR8shahYynNX_KiDsJG0o3CpwGE6CqbNOzcSApJqhd6EtXyMwxnXz6tpEr5yFnN_mJBssMXgVS9ZazJLbRS6_lSYmDWlEdFGdmDb-gEs6vthigWMoylmHp_jYCFH5OsKpVwBwCODCCyBJAxi9MasQO4JQyhQTpYAOlPAuePEWNFKjgv-ek5nXKuA_Cju3g5d88O-188MStXYhWz9obWaBQjRahg_cB68ICCI_VYuBeqdUNEkrnsYnOWvpEofJGHNPfhpy7ZKW6meiAKyVEsC4hp9TJGFu1D-a2nUpH6-peEf2448L9JLNzQS0T0MhIy7dUhlEv2NQvptF_2nbj7jHOSErPLaGiPxDES8Gdlsx1UcnVSXxzZjEYN7CXarrk7Ty50FdXoSy8BynA7-Tt7nwDp6MFZF7pze-Dq36mwm5fNXtQpD0Ioo3LaScUiJsFU4BYts1J-azlHeZXc-bY44xPpmqnpe9HKDfrY1V-ogACXjgYrAAfNCEF62lRlUe88-1NmaM3uKKA-qgs_O58chyp7Bo5RM1OV7-LZabyC4T4o4iL1bRJuMW8eLZ6cQEenFIbsf9PR0pduwmj5zRhahGsMRVR1s0yM4SmzdOHN3Lzq3nhute1nD1uHrgx7n9HsY0yjP445WpzO_wh6K90EtZG-2B01DdtTtbOIzCxBfQNorlS7STOFG7qnRA6HBmg4NRzMTRvV-mBPIRgPpyYAzHzbCv4qYBkXzt3pVAvh5iJLw5_piomLKu8-YV1-SGz7gAdaxWcdd0PSdKBMFEYhnErreyzLWJ4A-sK5JbzvEosFeAjz-yRkA8h-jXSY3dC5J6GV72BoV22B2PF1bpGYnFmSX0Z4hukxA9uc65sx_ACiizqmHqbefBXGsuCk1C234vB9SecIayE-v6KSALp4xUUnk4VbfdyxNatRDqOKmg4FyKec_jWgrCQUydf3VUxJzeOxffDgF-02LkUeOlZf_UD122pPaQoQo6HcTZ_i-EEhzfm-MazOxG7lbD9z2GZqNkHKPVDJuxkI56cG-V0Yq_eQ9-I0w-oknb6KrUOecR_uuEYXC7CWkOJMsIulyP70L5chYJn7IOKRI6qwKhMtjeaF6ZvhpeqifJAF3aZVUtUcSt9tl3S9Wa-o4R2_9nnRdkWFG5tOfooWN1IY7-R_68-XGLlte_yy58wZ5vYbzW6UasXAaP6KC9PNXIW7pqDzxxIq0Es5AUhbdbJmK5dXnyRj_4gcPs=\",\"summary\":[{\"type\":\"summary_text\",\"text\":\"**Drafting patch with precise insertions**\\n\\n<!-- -->\"},{\"type\":\"summary_text\",\"text\":\"**Replacing code blocks with swap anchors**\\n\\n<!-- -->\"},{\"type\":\"summary_text\",\"text\":\"**Verifying borrow and format correctness**\\n\\n<!-- -->\"}]}"},{"type":"thinking","thinking":"**Verifying lock handling timing and results**\n\n<!-- -->\n\n**Reviewing probe enqueue logging and gate handling**\n\n<!-- -->","thinkingSignature":"{\"id\":\"rs_0ec86a6c795d74b7016a5074db0b28819592520bd8819eee5d\",\"type\":\"reasoning\",\"content\":[],\"encrypted_content\":\"gAAAAABqUHTnycQEAHUGLthFMTb9CyywVVA9c871hP9YVdgUimLQ978hlnwFFHkbrlFZkqNEY-VDnzWmXWtZqfDWkngG8Sw4YKidBmGtO5iKU1pnducdWO9PSRvKum6uDRtlhjN5lbhaqS16eUluMKSyg1SVq2YpTlY6ZkoPFDsxIoEWEM0YROorHZhat8ituj4syYz-PEnA6uHIJybBI3baMuHNwqv8YGVfQTGoWNo-CV0Cl6DTc3WoslhYjj55lYIpdAAQTkrJEGMJEQ2VuQPBP6SOInJnCVOM3A6xU0ZeI-ylFO2OkQrI3Bj1_nd_ZYN1iAAszvQYg5r57wce2JZXTzmenYIykbFxDdZy48lCaIclhi0eU2nY_H0uY2XlIQrIAbRag-JXCuOu83IWWP5zyLKHelQ1I6D48lEzdp7Kqk7VnVYnk1XHIAyUC3LSaQyLERuz_cj7UVtzq-KVUL4HfrWIgAcGA72a69fkRjrDUIBc7lwkuUwCoyW1Nj_Pkmo9J4x5pKtTIs27VQ16g9U4MMc8xZAgz4Twhpudl7vFkwpXwl26B1LEh6yLkJ-CKyq7ir3KB1XqKLXY77q8nJAyueOXBvmt9pGRGihB6tKhTSTSz_YQLjL9-los_l9kjznZGdEHRX2KMHMWJkm2lDJ9yf-RQL9_DHyIMkdu4Q1s8W_Dfm5LLIuJzQc_9qm6ZoJqNK0HvU0vJBO9SH3uBCizV2T0wDI3GQwHKRZ7wRJEqybGEJjqqQqIAnvROL7jnxq1shE8vUwH-TEiV_foMPKfl5ltYSsgukfYZNk-DcfuYMSYfh1NEre5ZLkRAtZ7j-RVw73wW8qN_x05lSnFfQb6FEWFWrJd4W3TV-mIsduvzfdhr3_b4wbxYv6_D0iGyb5cdWFzWpS1WVI_YhdCJfgZ-ks9J9OeILTLnkLzB8zS2mjMbZpGaszKAdUlyq_Flbvo6zhmgeeIcL8eYtoC_dilR92RST3SwE7yVX1xt3rs0za4qEP5Vn3sn1tWiMIs3HVQA74Vdri9LkoO5sm2hL-0Szg-CzVVBrxSOXGg76QLCIqPppyUoDB563pPBkUs3ijezuoswCugHZ7vXxAFL4Elkc6aScwnUquYzfSVTtWxSUY-q2Jm5SdKOHqtaqgqIFMj9rxaasf_um1nb1Umo3wm8YrF5La8VOdweKoVwUgEkPrgExflpDAtEVfTCI2s5GeN4pH-2T8rAZq5xC8ydhFGEt9Kd1JAWuPxEdnHgtx_ZO1icvnO-9ZTFBmVwq_01AfTwzBUAD7iZuy0yT9ScFBK9HWts866htQYzStJsiVyoPLOyefkePZFXTAUWXKZJi45ED57SNPyEKFqSGOjzC1ysLumtDf0jcuH3dzZ1kg1ih9Sxo39MxHbAd47gE9kCP8u2g8U1i3_e841iM7YqfB1nI0kyHbI86FtOXeVE0reZlAKIEAFCgE-62-2-5otJRSsQl6HDWrVZZfz6lgV2GbM5YTbdm7zojxHwtLWFbCJ-s0FxfXGz-uigKMNWzFEwE3Npmiqm78UlVJIeBNU5EZ4-AxshtiZ0Yy1UIytGqFGAj63MfcuK-yaadQnKTNeQGfk92ycjMDl87wZFagG_lCWZa1gBHN9C4ARe3QNQ-90RuaoxaynkkMTi_o8xT70O7HOZKA8DE-_jms7qeOKseGEPjBNjH8xqRyBBTjtU5gU_z3CphWBcp9tB2-tyrRyqJcJ9PB43UjDB7PlPkpiN9HQ3FkONAx2paBwk-ZoMBw027Y84jrEJJTZIQ0r7JzwyQKpenl-lOFCXfydB-uvCx6el5ucH65yxhq8NDvQ7XYhSjE4e-lGJVpTHN-8FUvLrIBi4NwuZM-SSz-2kzJmqI1GXi9A7387gedoY4o6TepO_msMTu8v3rCJaNWwEi4LG7ADlYsN6nzmbW3ptl_WclKs0kg6gVplqQOvQ_QiM0nnn6rNsLvO-jwf0qpFee0uh0uqeWsPKoG426PmVfvBmCM_QDQdkCnotBFwRyEKtP84p2cbwtRjfSH2sKaE2yf92-brlvY7MlBBjwmYgKt-lST2aqGT0xL_-P3khwzUoaDK36pLSptO1Ojizv0-KO6mJ2krTNqmRmHG8zEssnlXYgtEB6sLnUC0oaIHQd3Qa9kpEYcIK1AjGZ_MdfjTVKPBrdfedPtVVM9sMJTsWGWSYYn0uzUS0S7aN938h9ARcvMJP4vTyxjkBcCU2VZhLmEI0YBkj3HWK2drNc5v7D_P_CzwZMV32fVc7vFTq2Dn5WP9W9RXiEEah2A4GVKx173HauNw3i1HwxMioYmfuSDyZhtjDukRkL6K7My6hCm7lEApTr1ZuOyKxSsNPOA4Up-shSya0xEiXZp7D7-THiC1Eef5WAsV0wQM1uZL2cVb8wp6eaovIU_fYhtYEY58DQswKPWJBj7CAIPTXIYQiszuhbyQ8tNxnLGUEYfCmwSCFif3tr2bCC_A_8FHXzLHh_GwoD0rKpFwhtNMktDAAElLBQNriFuH96p-XgsU1Hu50MsiP8NqDom1slPC_HizWO4NIMvat5oGSUwzprQXboA4KQOF0zXb974e8Qjpz6U5ZaCgWKhbVUPlu46HgOvFfCdaM_-ENGJ-XKVTy0JWW4H6RT5XOSIUzAWxSuZcVemwnAet6gKftBjrTBinTJvJuDKxTUnptHthSR8X8nO1nyjzZ2UbMtU56fUyae2x4UAy0bXVyseY4f_-sodrK7y04FcZB-5mMnTSrH5ilXGrEJonqEXhx31M6-F1EXkDmFUebvAUkkI-Mx7jtKUTCJQGWereAtaDc5vfo07kKXARCKgokb_D9Zuxla4DxW1Ynw8MiGJfpn4y1zqEG0ufrX2jdJxjoe42fKk2RxYEdlCR3-kWGdNle3sr3JMN-yhbUYGKl3jNSqZhyMDQs4TfMB6sbfANKHygfnx8lZ0ygkNxDppdd4oKuaYazmaXVI8ZcN1uAvgbKFV3rGAfA25uB9dY2Jc64JXTr5qCIRRzq3SB-JjPnhyldMbtzF1Ik5PsFsxoCDMp4PC8rU4nh_5WFfZNaAxHq1DM6NtS3lxHPfzttZ0kzioYaPm7vW9dXVex8RZAGRydwlmHTlkmxRkX5H6EjII220DJig5DjOiceHQyZLdZiSMxTAXLZea9wi7coaTir7j9XvVTEzG7LEaBAnYSi1l1f1bN-SkCIrjDgsYemq9jIiP1scnr98gCYeT8-d1DjpjOyoJ2kfqPhUs-JvOtFZa9lbIz4EbuFPIyObN2XYQ5Ry_Gi3H3SDf-iML2Z9tT4Zkb3Jux-EvI7wu9EOLaka8O_qc-Qiurx3ZN5OyJcSMMgmQ0yvS4tznkDetCYlbVdIEcw-UjbAfe3FiQvG0nOZHd4QsU4lEr8ltjwCD9iJYjL04x9KcUmotKeufZrfdM6Z9i3DuXEi2_eRrIp-w6XLjxJoqNQshdUjN2zst3NLS8duDXY2AZ6WMu_Y7YY-4N752veasmcQ-okLKL6HlHDctw7nxwSyfSdn8mtgFfnOLEohFQYXTiCyxT-MGzChZAdMZh9aRJG68iV7W9YDuBF-2IfqoWU3oIF0efIX8TuRYpSqLR3A9P2-haUUcta4ON4rQ41o2mnr0xSiIrCF2yaFTG-VuWdp8HKYrhmMBWThD6yzM1pbWcqiq0hYeM-ah_WpKcxVE90MkARIrRymkqKWgogrv_2rW35OCn1BarmOYLKDkokxfk078jad2aaTRE5dPif3udT1RzfLUSfWXSievD74c6XVaAllN3AONT-z-BvUtJ1o6OA05Lukng-5eWrHy5lr0H2EoCDdg_P6xIQSh_76CvsD00N_U2veRcMgtXDI_DpgMmIMqtq493EriKr3SDBmUTGEonxZU=\",\"summary\":[{\"type\":\"summary_text\",\"text\":\"**Verifying lock handling timing and results**\\n\\n<!-- -->\"},{\"type\":\"summary_text\",\"text\":\"**Reviewing probe enqueue logging and gate handling**\\n\\n<!-- -->\"}]}"},{"type":"thinking","thinking":"**Refactoring probe loop initialization**\n\n<!-- -->\n\n**Simplifying probe handling and deadline usage**\n\n<!-- -->","thinkingSignature":"{\"id\":\"rs_0ec86a6c795d74b7016a5074e7cfb081958cd97128aa77c9a3\",\"type\":\"reasoning\",\"content\":[],\"encrypted_content\":\"gAAAAABqUHTz7CkeIoQ2Q33o5salQEFhJqtA7Cn4nTmompShk6LzRNksGtCSeorvu2o4Rw9LE1z10bURNu9az5Vefq7EjL7By38nHTFbW-I5fTc1TKRMFVYmUJWegLOLJu_ONW2XibGpBTUsDdIfAGpIk9M_e0lQE_FfNJ_l5zkhZY7lDZedmxan8VxJ8B0mBnd9jPo0uY2y2bx2CRFZ_j2KBhWLycXdzPzYiF3_eLXkM804bufcuSLH2MMWwTKBXHZ9Q4kEEZQKok_aHk_Ntzl6yTUpv-9jI8cepPD685Dh-RU2I2YuA9omEFjVOE7dqQ8KqlrrS2--uOjxNBbov4TGVHcf088iIx3-qvlOitoEEGVBCjY1Jzazc8jfp-SZAnacptZWIQ6Z3Cmm4SF3xsY2-rtknNwwdXV54VM3HP4tE-C61Rjs452L2wJYlvcHU0fmC_EeYsd9KnFYubdXc8ol4fWzTGUBDIbJCTh-dAJAY0FWL4vpl8KbN5_yqdMfeFVD08veOTPSljxvlD2bPKYVSLYx_5LZKlA17ZsVrfpt2DbcsWq0ctUDf5GT5HVLf0DFQpjrqJznJxPafArTF6DHXju9tYd7SQUeLqXBuwFXqmWRgA7BcJwduBIB6K2qH4ZXUpbEqjuG3DWzhAh64ldgiNV95Uc9HgKKHAJdO4ZZj44AMZeg9wizCJ6rUw61F7Pcn74Xgb--o25zCVUpTVazPZaF_YqIxm-FsjvKT_mCIzF6d9yuwl4_94LSjrryim7jHAlYJ4pxTTAFP0EF2HL5-tSCFPS3Q97h0lMr7PHEvsJLpr6olvNAxZfPfwM_mx6f3wOsixmrjRbuA2KDe6siVqUDHUNx2VsAOi5oVr-lDQyUfqj_swcJE0QgXzjHe6mux2ZDd7N1gDSEdGUG4RUxajqaV3fNGoPhY-yUS-PUDntF2Xd2vsUy_hXYkmWVVA14OzuZK1R6InZsTjzdJOtdSSJYI72Sgzsx77yGiW66EpTVON-pqRcopDpi2zg_P119zZ_YZ9rtoB9JxM9e1rbr1IUxRPusHkCD-MbdebDNZRvIbRatsGEM5KJH3FXOVAGIdATxnVFYd6jV5WxGBGcLor20WP73WCtm_1kifrbwnU9GdlMOsduTg-SKgQer-855-ZfRsVrU84cPBTn09-HwcRr1zBegLHWoZQgCMxGAkIQvpyUKZQZJfeQCqHW3n8gSccFuOPE-QM60FELr66oFb4pKTKunvazA-hzBtUWBPetMBsKlZismhiCk_Zn-qBv7hAkq2Lyo-TZ_5CoLwu4izrXS7biGLU--Ey5bjw7kbyERPHJqubM6ueD6jkroPkFSqcIp7al61xa8THCOhOOewLBJTH9DYK0IxobzuCtkAdN1IDV0cqTfDypUtH-2FSmfBbsoKHAJ2EiJ9MkkBkqAleeP5leEjHD1SMtlLhOy83tQDd32pA2U0BxW28yPA8EaL76CmI6OBpyOjkBKy1LJSHEzvKQ47ueNZgwcZUyR32_kwxW4BVunswxvYqfpG49o1N4I3_5GbqIG5HCftOtB_wefkeis3uZOlP_12Z1ysShrfIPwLD2EVbSSOYKhECI_mEhNzxk1BQ9c_uTPaF1ohB-fxCi3Tw2J0IFWM4i2KbKlnpFUHj2MTzBzmOmZb6D1ntrfeW2HwfDTPsQkvlhlm4qaNU4km3AJriV4WV-inYW2X85ZDKZHozx72HY80N0QrpjzD7_SokUFDSiDOaOrrVgHdPqwZmkyYtoJkoZXFlisS3QUJn810osa6v679JtKDSeEXAaXOf7PARzIZzK8sJygKDbzJdKIOAxclggcCQ-NxCs44RlAnHdUIAM-_KWqQIX-R_yURz0FJDA3bnB0xpDerdzlYexod4DCcgHJ_vDjrkViqX48gBe0JwEYRmgKyuExIHk99orccc9MP7xuQH173vMttrTw5tg6mKxunP22BOQJds6KubOon1HqMuTUVOBZAo5EyRtFo738LUBt0c6tBrcuGM1uIjmHqIXA2AkPqz3FHHF8ttQzRamRpEPCgiftK2wXGkHIfzJoOX6GbCtHe3akQINPKkvgBPJUhg1k3wb2yCuebyFuZhaL7ZZk6JEVviTA6Ccihb18nxOdWUCQKMsewIDkLUuCx0HlG2h2ikIDrIEW1-o3DhmKJ4pEIrS4csidoGA62qcPFeRo4oz1Z8Mn0B0D8UAIUEZlsM2RcnT2xhYo9xsyWy7ZFB9EdPFJpNyaJZszAokdGS3NDzZYVGmZZQQ-WFTfn3gSxkp0UeO0gB1FBTiudzXX286vk1kBGz9gIEGMagUFwWABe2nsW0fF4_t1CP6sRuaQkaukXUj-OdQLmpC33XpxdDQHTPlRpVLIyS7lPUnKwGOt0Dke9EASSLTUveet9FWgN3vPcc8IWtAdSvPjVHil6znYJR7zSRg2kxEGbc353ZLO8r3LEfTBF0tFxgV-W4vwDHFap6cLLypZfPKMasA-7_SRVpo7Wly3qMxn02CVcRFYlBH5qIxlgXKxZEOumQiqvF2BM5TBMX1ZNLNW3twiLXM0FQmVZYNua6cDKg3Y2dTJBEf2LmzjyikadLLzsiFYXheQuTdtYMTajPXkwxjGpDS4ZxDqpF8BIDv5ylWrIE0PXvL5XNhn91enjzcKcZ718Q2uNAdegp_RHqQVzW-nFhIcH-Sr_YPCtf0ryldYoWCt98hQFo3PRHnz_1TJ2zyM3GRyVEYIoxkvMBGN06YZc6oLqLrszyMggrt_qNlmkc5F1N7X_aHUelIC3ZQzS4cTD0H9IwDzhry4j-qQTVr6rlAICHDGyNOi3yWYSd5Urv5bV4cNcYS6qFr1jcXavzSlSn_MpH8NVj4Rf1MC2eFzT4LDlbygUCpY7g-s3U1z2DPDO0WDEGiK1PBECuwCTD_HoxQ2Vp7YlZ-dKP_VGjUH3yqjzpS-uXIjsbQVQuQ_2JrfHGHdNu5k3nfAHTDyXnq8UQXnX0aEmi3pnwQAXt7_xZI12wm6AnjdNKUiNL-2aRCpNuCxFQ7MD9THldbi6Spm80umnNqZVeTjtbukW0CwX4R8CwGjTQle6tTcWkAK9UhH_tyRnmxcKH5HfVHFz5DDP0JHie9pZpqgzH2iexNRvi2eD-41tpevqVuHleGWs2t6b4185J_FC25bq9agmL68ncfw9db94DiP5f7vHmsXm-NDxlvzKReUYRpk3fm4dPNYbPqS-zRRlCDVV1UnmQSCy47WjjDXIx5afoIThEzf3-taQAjeqtUpXUY93iom22jeVx4-4S8x7u8CZCBLJ2ZGt2dUwfzkc75X8kO3zB5bYK5ej95HhtHEowGu4CQNTphaqgxT0hgHvnX_cfdsFQ8FiKcThHjFcCXKba1QOzJSEUHsX6B4chwCayomxhTNu7uQ0ds6qHX534oeUaLt1ZRtCWDQLY_RpnJ_6qVgb26CGQLFvVYx35n3t0zxs-RyTnLRbLWNQKyH0-A6yhaKSG5j5j_SOCwx0sGApNg_oSP5l082Lb1CIXzxaAwmUQQbNoQ2ACnA0Nlma70q5VHB2KQOEhrup0Hi3wArmoKMDFHS1iWhMqBX6OyFAqwVkK-29Vk9NEId_2QArLMKZTJcgBIZiok2WbOg_Z2az1tUeLtBZSrJjj_wmXm2jpS0IwdNQG-qEGrKdqoJXw5ul8ymWcWvuO-I35X8-ld4N0sfmxkv8QW0PiWKvIYnK-ULg6Zjrz4me8pvtvbXxQDSNpAYQB9JnfBQmvb-87Q4h4h7AZsWwZZgQ0wSVr2plBnMmu7oXhdLpP_VDmD-S9Mhwu1ehnz6yxVWCXqLhcZH-qSG00DQrdOtmF3LxHw0-sH8Q9PylzxVEeJVDqJkPwdAr0-7WG7_IANFhswFegiTMRtBuqnHmj7Cachb1Zfz6-N6L0LZ1UJrgupAb79oPallzOMAkDS1ZUNg_-CZAs2sdG5y9axHjrxmqDWTvu4D\",\"summary\":[{\"type\":\"summary_text\",\"text\":\"**Refactoring probe loop initialization**\\n\\n<!-- -->\"},{\"type\":\"summary_text\",\"text\":\"**Simplifying probe handling and deadline usage**\\n\\n<!-- -->\"}]}"}],"api":"openai-codex-responses","provider":"openai-codex","model":"gpt-5.6-sol","usage":{"input":0,"output":0,"cacheRead":0,"cacheWrite":0,"totalTokens":0,"cost":{"input":0,"output":0,"cacheRead":0,"cacheWrite":0,"total":0}},"stopReason":"aborted","timestamp":1783657680133,"errorMessage":"TTSR matched rule: rs-lazylock","stopDetails":{"type":"stream_interrupted_after_content","category":null,"explanation":"TTSR matched rule: rs-lazylock"}}}
{"type":"custom_message","customType":"ttsr-injection","content":"<system-interrupt reason=\"rule_violation\" rule=\"rs-lazylock\" path=\"builtin-defaults:rs-lazylock.md\">\nYour output was interrupted because it violated a user-defined rule.\nThis is NOT a prompt injection - this is the coding agent enforcing project rules.\nYou MUST comply with the following instruction:\n\nPrefer `std::sync::LazyLock` over `OnceLock` and the `once_cell` crate when the initializer is known at declaration time.\n\n`LazyLock` stores the cell and initializer together. There is no separate `init()` function, no repeated `get_or_init`, and no missing initialization path.\n\n## once_cell → std\n\n```rust\n// Before\nuse once_cell::sync::Lazy;\nstatic CONFIG: Lazy<String> = Lazy::new(|| \"value\".to_string());\n\n// After\nuse std::sync::LazyLock;\nstatic CONFIG: LazyLock<String> = LazyLock::new(|| \"value\".to_string());\n```\n\n## OnceLock → LazyLock\n\n```rust\n// Before — fixed initializer hidden in accessor.\nuse std::sync::OnceLock;\nstatic SETTINGS: OnceLock<Settings> = OnceLock::new();\nfn settings() -> &'static Settings {\n    SETTINGS.get_or_init(Settings::load)\n}\n\n// After — initializer lives with the static.\nuse std::sync::LazyLock;\nstatic SETTINGS: LazyLock<Settings> = LazyLock::new(Settings::load);\n```\n\n## Keep OnceLock when runtime input is required\n\n```rust\nuse std::sync::OnceLock;\nstatic DATABASE: OnceLock<Database> = OnceLock::new();\n\nfn init_database(url: &str) {\n    let _ = DATABASE.set(Database::connect(url));\n}\n```\n\nDo not add `once_cell` for new code. Use the standard library equivalent.\n</system-interrupt>","display":false,"details":{"rules":["rs-lazylock"]},"attribution":"agent","id":"094e3651","parentId":"22702753","timestamp":"2026-07-10T04:28:36.430Z"}
{"type":"ttsr_injection","id":"b36427e3","parentId":"094e3651","timestamp":"2026-07-10T04:28:36.430Z","injectedRules":["rs-lazylock"]}
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{"type":"message","id":"4d87bc22","parentId":"ce53d37d","timestamp":"2026-07-10T04:28:47.203Z","message":{"role":"toolResult","toolCallId":"call_NSZXxkHQRHHSau4nkwnuLNDH|fc_0c89dcd879efbf36016a5074ff14a081978cac18124323c89d","toolName":"read","content":[{"type":"text","text":"[broker.rs#1F25]\n4517:    /// `try_send` to the controller: a full channel within the deadline DROPS (returns\n4518:    /// `None`, never blocks), the viewer fan-out still runs, and only a controller Full\n4519:    /// for `CONTROLLER_WRITE_DEADLINE` since its last success is evicted. (Pre-b4 the\n4520:    /// drain inline-sleep-polled up to 5s on a full controller, starving the viewer —\n4521:    /// the warm-forkpty a_journaled wedge.)\n4522:    // [unit->REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE]\n4523:    #[test]\n4524:    fn a_full_controller_does_not_starve_a_viewer_or_block_the_drain() {\n4525:        let mut log = OutputLog::new(1, 1024, String::new(), (24, 80));\n4526:        log.controller_epoch.store(9, Ordering::Release);\n4527:        // A CONTROLLER whose 2-slot channel we NEVER drain (rx held, unread) — a\n4528:        // controller reading slower than the flood. No real writer thread is needed:\n4529:        // the b4 decision lives in append's `try_send`, and `send` is never written here.\n4530:        let (csend, _cclient, _crecv) = controller_socket_pair();\n4531:        let (ctx, _crx) = sync_channel::<CtrlMsg>(2);\n4532:        log.controller = Some(ControllerSink {\n4533:            tx: ctx,\n4534:            send: csend,\n4535:            by: None,\n4536:            last_ok: Instant::now(),\n4537:            write_blocked_since: Arc::new(Mutex::new(None)),\n4538:            _writer: thread::spawn(|| {}),\n4539:        });\n4540:        // A VIEWER with a generous channel we CAN drain — to prove it stays fed.\n4541:        let (vsend, _vclient, _vrecv) = controller_socket_pair();\n4542:        let (vtx, vrx) = sync_channel::<Envelope>(VIEWER_CHANNEL_DEPTH);\n4543:        log.viewers\n4544:            .insert(\n4545:                0,\n4546:                ViewerSink {\n4547:                    tx: vtx,\n4548:                    send: vsend,\n…\n4551:                },\n4552:            );\n…\n4586:    }\n\n[Showing lines 4517-4548 of 5718. Use :4549 to continue]"}],"details":{"truncation":{"content":"    /// `try_send` to the controller: a full channel within the deadline DROPS (returns\r\n    /// `None`, never blocks), the viewer fan-out still runs, and only a controller Full\r\n    /// for `CONTROLLER_WRITE_DEADLINE` since its last success is evicted. (Pre-b4 the\r\n    /// drain inline-sleep-polled up to 5s on a full controller, starving the viewer —\r\n    /// the warm-forkpty a_journaled wedge.)\r\n    // [unit->REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE]\r\n    #[test]\r\n    fn a_full_controller_does_not_starve_a_viewer_or_block_the_drain() {\r\n        let mut log = OutputLog::new(1, 1024, String::new(), (24, 80));\r\n        log.controller_epoch.store(9, Ordering::Release);\r\n        // A CONTROLLER whose 2-slot channel we NEVER drain (rx held, unread) — a\r\n        // controller reading slower than the flood. No real writer thread is needed:\r\n        // the b4 decision lives in append's `try_send`, and `send` is never written here.\r\n        let (csend, _cclient, _crecv) = controller_socket_pair();\r\n        let (ctx, _crx) = sync_channel::<CtrlMsg>(2);\r\n        log.controller = Some(ControllerSink {\r\n            tx: ctx,\r\n            send: csend,\r\n            by: None,\r\n            last_ok: Instant::now(),\r\n            write_blocked_since: Arc::new(Mutex::new(None)),\r\n            _writer: thread::spawn(|| {}),\r\n        });\r\n        // A VIEWER with a generous channel we CAN drain — to prove it stays fed.\r\n        let (vsend, _vclient, _vrecv) = controller_socket_pair();\r\n        let (vtx, vrx) = sync_channel::<Envelope>(VIEWER_CHANNEL_DEPTH);\r\n        log.viewers\r\n            .insert(\r\n                0,\r\n                ViewerSink {\r\n                    tx: vtx,\r\n                    send: vsend,\r","truncated":true,"truncatedBy":"lines","totalLines":1202,"totalBytes":1737,"outputLines":32,"outputBytes":1737,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"    /// `try_send` to the controller: a full channel within the deadline DROPS (returns\r\n    /// `None`, never blocks), the viewer fan-out still runs, and only a controller Full\r\n    /// for `CONTROLLER_WRITE_DEADLINE` since its last success is evicted. (Pre-b4 the\r\n    /// drain inline-sleep-polled up to 5s on a full controller, starving the viewer —\r\n    /// the warm-forkpty a_journaled wedge.)\r\n    // [unit->REQ-HAZARD-VIEWER-STARVE-UNDER-CONTROLLER-BACKPRESSURE]\r\n    #[test]\r\n    fn a_full_controller_does_not_starve_a_viewer_or_block_the_drain() {\r\n        let mut log = OutputLog::new(1, 1024, String::new(), (24, 80));\r\n        log.controller_epoch.store(9, Ordering::Release);\r\n        // A CONTROLLER whose 2-slot channel we NEVER drain (rx held, unread) — a\r\n        // controller reading slower than the flood. No real writer thread is needed:\r\n        // the b4 decision lives in append's `try_send`, and `send` is never written here.\r\n        let (csend, _cclient, _crecv) = controller_socket_pair();\r\n        let (ctx, _crx) = sync_channel::<CtrlMsg>(2);\r\n        log.controller = Some(ControllerSink {\r\n            tx: ctx,\r\n            send: csend,\r\n            by: None,\r\n            last_ok: Instant::now(),\r\n            write_blocked_since: Arc::new(Mutex::new(None)),\r\n            _writer: thread::spawn(|| {}),\r\n        });\r\n        // A VIEWER with a generous channel we CAN drain — to prove it stays fed.\r\n        let (vsend, _vclient, _vrecv) = controller_socket_pair();\r\n        let (vtx, vrx) = sync_channel::<Envelope>(VIEWER_CHANNEL_DEPTH);\r\n        log.viewers\r\n            .insert(\r\n                0,\r\n                ViewerSink {\r\n                    tx: vtx,\r\n                    send: vsend,\r\n…\n                },\n            );\n…\n    }","startLine":4517,"lineNumbers":[4517,4518,4519,4520,4521,4522,4523,4524,4525,4526,4527,4528,4529,4530,4531,4532,4533,4534,4535,4536,4537,4538,4539,4540,4541,4542,4543,4544,4545,4546,4547,4548,null,4551,4552,null,4586]},"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":5718,"totalBytes":1737,"outputLines":32,"outputBytes":1737,"shownRange":{"start":4517,"end":4548},"nextOffset":4549}}},"isError":false,"timestamp":1783657727202}}
{"type":"message","id":"766c9d39","parentId":"4d87bc22","timestamp":"2026-07-10T04:28:47.237Z","message":{"role":"toolResult","toolCallId":"call_Eu7UD0Wo9EhBmGM5N295NUxt|fc_0c89dcd879efbf36016a5074ff14c08197987a6598014ca378","toolName":"read","content":[{"type":"text","text":"[broker.rs#1F25]\n1324:fn viewer_writer(\n…\n1330:) {\n…\n1349:    // `tx` dropped. If this was an EVICTION for overflow (append set the flag\n1350:    // before dropping the sink), emit a KIND_VIEWER_EVICTED marker — DISTINCT from\n1351:    // a session-exit EOF — so the serving brain skips to live (re-subscribes from\n1352:    // the ring floor) instead of dying silently. A NORMAL teardown (session end /\n1353:    // conn drop) leaves the flag false → no marker, exit quietly. This write is in\n1354:    // the dedicated writer thread, OFF the log lock / off the drain (the W1/b4\n1355:    // isolation is preserved). REQ-VIEWER-SKIP-TO-LIVE-ON-EVICT.\n1356:    // [impl->REQ-VIEWER-SKIP-TO-LIVE-ON-EVICT]\n1357:    if evicted.load(Ordering::Acquire) {\n1358:        let marker = evicted_envelope(session_id);\n1359:        if let Ok(mut s) = send.lock() {\n1360:            let _ = write_frame(&mut *s, &marker);\n1361:        }\n1362:    }\n1363:}\n1364:\n1365:/// A message to the CONTROLLER writer thread (W1). `Output` carries a sequenced\n1366:/// chunk and advances the authoritative `delivered_through` on a successful\n1367:/// write; `Control` is an out-of-band notice (Displaced, …) that is written but\n1368:/// does NOT move the resume cursor.\n1369:enum CtrlMsg {\n1370:    Output(u64, Envelope),\n1371:    Control(Envelope),\n1372:}\n1373:\n1374:/// Advance the shared `delivered_through` cursor to `seq + 1`, monotonically\n1375:/// (D4-1, via [`advanced_cursor`]) and CAS-safe against a brief two-writer\n1376:/// overlap during a controller displace.\n1377:fn advance_delivered(dt: &AtomicU64, seq: u64) {\n1378:    let mut cur = dt.load(Ordering::Acquire);\n1379:    loop {\n1380:        let next = advanced_cursor(cur, seq, true);\n1381:        if next == cur {\n1382:            return;\n1383:        }\n…\n1388:    }\n1389:}\n\n[Showing lines 1349-1383 of 5718. Use :1384 to continue]"}],"details":{"truncation":{"content":"    // `tx` dropped. If this was an EVICTION for overflow (append set the flag\r\n    // before dropping the sink), emit a KIND_VIEWER_EVICTED marker — DISTINCT from\r\n    // a session-exit EOF — so the serving brain skips to live (re-subscribes from\r\n    // the ring floor) instead of dying silently. A NORMAL teardown (session end /\r\n    // conn drop) leaves the flag false → no marker, exit quietly. This write is in\r\n    // the dedicated writer thread, OFF the log lock / off the drain (the W1/b4\r\n    // isolation is preserved). REQ-VIEWER-SKIP-TO-LIVE-ON-EVICT.\r\n    // [impl->REQ-VIEWER-SKIP-TO-LIVE-ON-EVICT]\r\n    if evicted.load(Ordering::Acquire) {\r\n        let marker = evicted_envelope(session_id);\r\n        if let Ok(mut s) = send.lock() {\r\n            let _ = write_frame(&mut *s, &marker);\r\n        }\r\n    }\r\n}\r\n\r\n/// A message to the CONTROLLER writer thread (W1). `Output` carries a sequenced\r\n/// chunk and advances the authoritative `delivered_through` on a successful\r\n/// write; `Control` is an out-of-band notice (Displaced, …) that is written but\r\n/// does NOT move the resume cursor.\r\nenum CtrlMsg {\r\n    Output(u64, Envelope),\r\n    Control(Envelope),\r\n}\r\n\r\n/// Advance the shared `delivered_through` cursor to `seq + 1`, monotonically\r\n/// (D4-1, via [`advanced_cursor`]) and CAS-safe against a brief two-writer\r\n/// overlap during a controller displace.\r\nfn advance_delivered(dt: &AtomicU64, seq: u64) {\r\n    let mut cur = dt.load(Ordering::Acquire);\r\n    loop {\r\n        let next = advanced_cursor(cur, seq, true);\r\n        if next == cur {\r\n            return;\r\n        }\r","truncated":true,"truncatedBy":"lines","totalLines":4370,"totalBytes":1605,"outputLines":35,"outputBytes":1605,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"fn viewer_writer(\n…\n) {\n…\n    // `tx` dropped. If this was an EVICTION for overflow (append set the flag\r\n    // before dropping the sink), emit a KIND_VIEWER_EVICTED marker — DISTINCT from\r\n    // a session-exit EOF — so the serving brain skips to live (re-subscribes from\r\n    // the ring floor) instead of dying silently. A NORMAL teardown (session end /\r\n    // conn drop) leaves the flag false → no marker, exit quietly. This write is in\r\n    // the dedicated writer thread, OFF the log lock / off the drain (the W1/b4\r\n    // isolation is preserved). REQ-VIEWER-SKIP-TO-LIVE-ON-EVICT.\r\n    // [impl->REQ-VIEWER-SKIP-TO-LIVE-ON-EVICT]\r\n    if evicted.load(Ordering::Acquire) {\r\n        let marker = evicted_envelope(session_id);\r\n        if let Ok(mut s) = send.lock() {\r\n            let _ = write_frame(&mut *s, &marker);\r\n        }\r\n    }\r\n}\r\n\r\n/// A message to the CONTROLLER writer thread (W1). `Output` carries a sequenced\r\n/// chunk and advances the authoritative `delivered_through` on a successful\r\n/// write; `Control` is an out-of-band notice (Displaced, …) that is written but\r\n/// does NOT move the resume cursor.\r\nenum CtrlMsg {\r\n    Output(u64, Envelope),\r\n    Control(Envelope),\r\n}\r\n\r\n/// Advance the shared `delivered_through` cursor to `seq + 1`, monotonically\r\n/// (D4-1, via [`advanced_cursor`]) and CAS-safe against a brief two-writer\r\n/// overlap during a controller displace.\r\nfn advance_delivered(dt: &AtomicU64, seq: u64) {\r\n    let mut cur = dt.load(Ordering::Acquire);\r\n    loop {\r\n        let next = advanced_cursor(cur, seq, true);\r\n        if next == cur {\r\n            return;\r\n        }\r\n…\n    }\n}","startLine":1324,"lineNumbers":[1324,null,1330,null,1349,1350,1351,1352,1353,1354,1355,1356,1357,1358,1359,1360,1361,1362,1363,1364,1365,1366,1367,1368,1369,1370,1371,1372,1373,1374,1375,1376,1377,1378,1379,1380,1381,1382,1383,null,1388,1389]},"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":5718,"totalBytes":1605,"outputLines":35,"outputBytes":1605,"shownRange":{"start":1349,"end":1383},"nextOffset":1384}}},"isError":false,"timestamp":1783657727237}}
{"type":"message","id":"ce03e80e","parentId":"766c9d39","timestamp":"2026-07-10T04:28:47.269Z","message":{"role":"toolResult","toolCallId":"call_Jbb5kBs1Yriup31iKe5Jem3R|fc_0c89dcd879efbf36016a5074ff14b481979a76fb00b3c4cad7","toolName":"read","content":[{"type":"text","text":"[broker.rs#1F25]\n5367:    #[test]\n5368:    fn reap_dead_controller_clears_a_finished_writer() {\n5369:        let (send, _client, _recv) = controller_socket_pair();\n5370:        let mut log = OutputLog::new(1, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\n5371:        // A controller whose writer thread has already EXITED (models a writer that\n5372:        // returned after a failed socket write on a severed conn).\n5373:        let (tx, _rx) = sync_channel::<CtrlMsg>(CONTROLLER_CHANNEL_DEPTH);\n5374:        let writer = thread::spawn(|| {});\n5375:        for _ in 0..1000 {\n5376:            if writer.is_finished() {\n5377:                break;\n5378:            }\n5379:            thread::sleep(Duration::from_millis(1));\n5380:        }\n5381:        assert!(writer.is_finished(), \"precondition: the writer thread has exited\");\n5382:        log.controller = Some(ControllerSink {\n5383:            tx,\n5384:            send,\n5385:            by: Some(\"remote-node\".to_string()),\n5386:            last_ok: Instant::now(),\n5387:            write_blocked_since: Arc::new(Mutex::new(None)),\n5388:            _writer: writer,\n5389:        });\n5390:        assert_eq!(\n5391:            log.controller_by(),\n5392:            Some(\"remote-node\"),\n5393:            \"precondition: a stale remote controller is present\"\n5394:        );\n5395:        assert!(log.reap_dead_controller(), \"a dead-writer controller is reaped\");\n5396:        assert!(!log.has_controller(), \"the controller slot is cleared\");\n5397:        assert_eq!(\n5398:            log.controller_by(),\n5399:            None,\n5400:            \"controller_by is now honest (None) → converge_perch_stamps clears the stamp\"\n5401:        );\n5402:        assert!(!log.reap_dead_controller(), \"idempotent: nothing left to reap\");\n5403:    }\n5404:\n5405:    // [unit->REQ-CONTROLLER-LIVENESS-REAP] B-2 no-false-reap control: a LIVE controller\n5406:    // whose writer is parked on rx.recv() (idle, no output) is NOT finished, so the\n5407:    // lazy-reap must NOT touch it — reaping a live-but-idle controller would false-clear\n5408:    // a genuinely CONTROLLED session's stamp. KH 7.15 (reap-only, by=Some) holds by\n5409:    // construction: reap only ever CLEARS, never latches driven_by.\n5410:    #[test]\n5411:    fn reap_dead_controller_leaves_a_live_writer_untouched() {\n5412:        let (send, _client, _recv) = controller_socket_pair();\n5413:        let mut log = OutputLog::new(2, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\n5414:        let (tx, rx) = sync_channel::<CtrlMsg>(CONTROLLER_CHANNEL_DEPTH);\n5415:        let writer = thread::spawn(move || {\n5416:            let _ = rx.recv(); // blocks (idle live controller) until tx drops\n5417:        });\n5418:        log.controller = Some(ControllerSink {\n5419:            tx,\n5420:            send,\n5421:            by: Some(\"remote-node\".to_string()),\n5422:            last_ok: Instant::now(),\n5423:            write_blocked_since: Arc::new(Mutex::new(None)),\n5424:            _writer: writer,\n5425:        });\n5426:        assert!(\n5427:            !log.reap_dead_controller(),\n5428:            \"a live (idle, parked-on-recv) controller is NOT reaped\"\n5429:        );\n5430:        assert!(log.has_controller(), \"the live controller slot survives\");\n5431:        assert_eq!(log.controller_by(), Some(\"remote-node\"));\n5432:        // Cleanup: drop the sink → tx drops → the writer's rx.recv() returns → exits.\n5433:        log.controller = None;\n5434:    }\n5435:\n5436:    /// Build a controller sink whose writer is a trivial parked/no-op thread, with\n5437:    /// `write_blocked_since` seeded to `blocked` — the W2 stall-evict fixtures set it\n5438:    /// to a past Instant to simulate a writer wedged on a suspended brain conn.\n5439:    #[cfg(test)]\n5440:    fn seed_controller_with_block(\n5441:        log: &mut OutputLog,\n5442:        by: Option<&str>,\n5443:        blocked: Option<Instant>,\n5444:    ) -> Arc<Mutex<Option<Instant>>> {\n5445:        // The peer client/recv can drop immediately: no writer in these fixtures ever\n5446:        // writes to `send` (the thread only parks on rx.recv()), so a closed peer is\n5447:        // irrelevant — the stall signal is the injected `write_blocked_since`, not a\n5448:        // real socket block.\n5449:        let (send, _client, _recv) = controller_socket_pair();\n5450:        let (tx, rx) = sync_channel::<CtrlMsg>(CONTROLLER_CHANNEL_DEPTH);\n5451:        let write_blocked_since = Arc::new(Mutex::new(blocked));\n5452:        let writer = thread::spawn(move || {\n5453:            let _ = rx.recv(); // parked (live, not finished) until tx drops\n5454:        });\n5455:        log.controller = Some(ControllerSink {\n5456:            tx,\n5457:            send,\n5458:            by: by.map(str::to_string),\n5459:            last_ok: Instant::now(),\n5460:            write_blocked_since: Arc::clone(&write_blocked_since),\n5461:            _writer: writer,\n5462:        });\n5463:        write_blocked_since\n5464:    }\n5465:\n5466:    // A blocked-since Instant that is already past BRAIN_WRITE_DEADLINE.\n5467:    #[cfg(test)]\n5468:    fn wedged_since() -> Instant {\n5469:        Instant::now()\n5470:            .checked_sub(BRAIN_WRITE_DEADLINE + Duration::from_secs(1))\n5471:            .expect(\"process has been up longer than the deadline\")\n5472:    }\n5473:\n\n[Showing lines 5367-5473 of 5718. Use :5474 to continue]"}],"details":{"truncation":{"content":"    #[test]\r\n    fn reap_dead_controller_clears_a_finished_writer() {\r\n        let (send, _client, _recv) = controller_socket_pair();\r\n        let mut log = OutputLog::new(1, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\r\n        // A controller whose writer thread has already EXITED (models a writer that\r\n        // returned after a failed socket write on a severed conn).\r\n        let (tx, _rx) = sync_channel::<CtrlMsg>(CONTROLLER_CHANNEL_DEPTH);\r\n        let writer = thread::spawn(|| {});\r\n        for _ in 0..1000 {\r\n            if writer.is_finished() {\r\n                break;\r\n            }\r\n            thread::sleep(Duration::from_millis(1));\r\n        }\r\n        assert!(writer.is_finished(), \"precondition: the writer thread has exited\");\r\n        log.controller = Some(ControllerSink {\r\n            tx,\r\n            send,\r\n            by: Some(\"remote-node\".to_string()),\r\n            last_ok: Instant::now(),\r\n            write_blocked_since: Arc::new(Mutex::new(None)),\r\n            _writer: writer,\r\n        });\r\n        assert_eq!(\r\n            log.controller_by(),\r\n            Some(\"remote-node\"),\r\n            \"precondition: a stale remote controller is present\"\r\n        );\r\n        assert!(log.reap_dead_controller(), \"a dead-writer controller is reaped\");\r\n        assert!(!log.has_controller(), \"the controller slot is cleared\");\r\n        assert_eq!(\r\n            log.controller_by(),\r\n            None,\r\n            \"controller_by is now honest (None) → converge_perch_stamps clears the stamp\"\r\n        );\r\n        assert!(!log.reap_dead_controller(), \"idempotent: nothing left to reap\");\r\n    }\r\n\r\n    // [unit->REQ-CONTROLLER-LIVENESS-REAP] B-2 no-false-reap control: a LIVE controller\r\n    // whose writer is parked on rx.recv() (idle, no output) is NOT finished, so the\r\n    // lazy-reap must NOT touch it — reaping a live-but-idle controller would false-clear\r\n    // a genuinely CONTROLLED session's stamp. KH 7.15 (reap-only, by=Some) holds by\r\n    // construction: reap only ever CLEARS, never latches driven_by.\r\n    #[test]\r\n    fn reap_dead_controller_leaves_a_live_writer_untouched() {\r\n        let (send, _client, _recv) = controller_socket_pair();\r\n        let mut log = OutputLog::new(2, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\r\n        let (tx, rx) = sync_channel::<CtrlMsg>(CONTROLLER_CHANNEL_DEPTH);\r\n        let writer = thread::spawn(move || {\r\n            let _ = rx.recv(); // blocks (idle live controller) until tx drops\r\n        });\r\n        log.controller = Some(ControllerSink {\r\n            tx,\r\n            send,\r\n            by: Some(\"remote-node\".to_string()),\r\n            last_ok: Instant::now(),\r\n            write_blocked_since: Arc::new(Mutex::new(None)),\r\n            _writer: writer,\r\n        });\r\n        assert!(\r\n            !log.reap_dead_controller(),\r\n            \"a live (idle, parked-on-recv) controller is NOT reaped\"\r\n        );\r\n        assert!(log.has_controller(), \"the live controller slot survives\");\r\n        assert_eq!(log.controller_by(), Some(\"remote-node\"));\r\n        // Cleanup: drop the sink → tx drops → the writer's rx.recv() returns → exits.\r\n        log.controller = None;\r\n    }\r\n\r\n    /// Build a controller sink whose writer is a trivial parked/no-op thread, with\r\n    /// `write_blocked_since` seeded to `blocked` — the W2 stall-evict fixtures set it\r\n    /// to a past Instant to simulate a writer wedged on a suspended brain conn.\r\n    #[cfg(test)]\r\n    fn seed_controller_with_block(\r\n        log: &mut OutputLog,\r\n        by: Option<&str>,\r\n        blocked: Option<Instant>,\r\n    ) -> Arc<Mutex<Option<Instant>>> {\r\n        // The peer client/recv can drop immediately: no writer in these fixtures ever\r\n        // writes to `send` (the thread only parks on rx.recv()), so a closed peer is\r\n        // irrelevant — the stall signal is the injected `write_blocked_since`, not a\r\n        // real socket block.\r\n        let (send, _client, _recv) = controller_socket_pair();\r\n        let (tx, rx) = sync_channel::<CtrlMsg>(CONTROLLER_CHANNEL_DEPTH);\r\n        let write_blocked_since = Arc::new(Mutex::new(blocked));\r\n        let writer = thread::spawn(move || {\r\n            let _ = rx.recv(); // parked (live, not finished) until tx drops\r\n        });\r\n        log.controller = Some(ControllerSink {\r\n            tx,\r\n            send,\r\n            by: by.map(str::to_string),\r\n            last_ok: Instant::now(),\r\n            write_blocked_since: Arc::clone(&write_blocked_since),\r\n            _writer: writer,\r\n        });\r\n        write_blocked_since\r\n    }\r\n\r\n    // A blocked-since Instant that is already past BRAIN_WRITE_DEADLINE.\r\n    #[cfg(test)]\r\n    fn wedged_since() -> Instant {\r\n        Instant::now()\r\n            .checked_sub(BRAIN_WRITE_DEADLINE + Duration::from_secs(1))\r\n            .expect(\"process has been up longer than the deadline\")\r\n    }\r\n\r","truncated":true,"truncatedBy":"lines","totalLines":352,"totalBytes":4884,"outputLines":107,"outputBytes":4884,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"    #[test]\r\n    fn reap_dead_controller_clears_a_finished_writer() {\r\n        let (send, _client, _recv) = controller_socket_pair();\r\n        let mut log = OutputLog::new(1, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\r\n        // A controller whose writer thread has already EXITED (models a writer that\r\n        // returned after a failed socket write on a severed conn).\r\n        let (tx, _rx) = sync_channel::<CtrlMsg>(CONTROLLER_CHANNEL_DEPTH);\r\n        let writer = thread::spawn(|| {});\r\n        for _ in 0..1000 {\r\n            if writer.is_finished() {\r\n                break;\r\n            }\r\n            thread::sleep(Duration::from_millis(1));\r\n        }\r\n        assert!(writer.is_finished(), \"precondition: the writer thread has exited\");\r\n        log.controller = Some(ControllerSink {\r\n            tx,\r\n            send,\r\n            by: Some(\"remote-node\".to_string()),\r\n            last_ok: Instant::now(),\r\n            write_blocked_since: Arc::new(Mutex::new(None)),\r\n            _writer: writer,\r\n        });\r\n        assert_eq!(\r\n            log.controller_by(),\r\n            Some(\"remote-node\"),\r\n            \"precondition: a stale remote controller is present\"\r\n        );\r\n        assert!(log.reap_dead_controller(), \"a dead-writer controller is reaped\");\r\n        assert!(!log.has_controller(), \"the controller slot is cleared\");\r\n        assert_eq!(\r\n            log.controller_by(),\r\n            None,\r\n            \"controller_by is now honest (None) → converge_perch_stamps clears the stamp\"\r\n        );\r\n        assert!(!log.reap_dead_controller(), \"idempotent: nothing left to reap\");\r\n    }\r\n\r\n    // [unit->REQ-CONTROLLER-LIVENESS-REAP] B-2 no-false-reap control: a LIVE controller\r\n    // whose writer is parked on rx.recv() (idle, no output) is NOT finished, so the\r\n    // lazy-reap must NOT touch it — reaping a live-but-idle controller would false-clear\r\n    // a genuinely CONTROLLED session's stamp. KH 7.15 (reap-only, by=Some) holds by\r\n    // construction: reap only ever CLEARS, never latches driven_by.\r\n    #[test]\r\n    fn reap_dead_controller_leaves_a_live_writer_untouched() {\r\n        let (send, _client, _recv) = controller_socket_pair();\r\n        let mut log = OutputLog::new(2, DEFAULT_LOG_CHUNKS, String::new(), (24, 80));\r\n        let (tx, rx) = sync_channel::<CtrlMsg>(CONTROLLER_CHANNEL_DEPTH);\r\n        let writer = thread::spawn(move || {\r\n            let _ = rx.recv(); // blocks (idle live controller) until tx drops\r\n        });\r\n        log.controller = Some(ControllerSink {\r\n            tx,\r\n            send,\r\n            by: Some(\"remote-node\".to_string()),\r\n            last_ok: Instant::now(),\r\n            write_blocked_since: Arc::new(Mutex::new(None)),\r\n            _writer: writer,\r\n        });\r\n        assert!(\r\n            !log.reap_dead_controller(),\r\n            \"a live (idle, parked-on-recv) controller is NOT reaped\"\r\n        );\r\n        assert!(log.has_controller(), \"the live controller slot survives\");\r\n        assert_eq!(log.controller_by(), Some(\"remote-node\"));\r\n        // Cleanup: drop the sink → tx drops → the writer's rx.recv() returns → exits.\r\n        log.controller = None;\r\n    }\r\n\r\n    /// Build a controller sink whose writer is a trivial parked/no-op thread, with\r\n    /// `write_blocked_since` seeded to `blocked` — the W2 stall-evict fixtures set it\r\n    /// to a past Instant to simulate a writer wedged on a suspended brain conn.\r\n    #[cfg(test)]\r\n    fn seed_controller_with_block(\r\n        log: &mut OutputLog,\r\n        by: Option<&str>,\r\n        blocked: Option<Instant>,\r\n    ) -> Arc<Mutex<Option<Instant>>> {\r\n        // The peer client/recv can drop immediately: no writer in these fixtures ever\r\n        // writes to `send` (the thread only parks on rx.recv()), so a closed peer is\r\n        // irrelevant — the stall signal is the injected `write_blocked_since`, not a\r\n        // real socket block.\r\n        let (send, _client, _recv) = controller_socket_pair();\r\n        let (tx, rx) = sync_channel::<CtrlMsg>(CONTROLLER_CHANNEL_DEPTH);\r\n        let write_blocked_since = Arc::new(Mutex::new(blocked));\r\n        let writer = thread::spawn(move || {\r\n            let _ = rx.recv(); // parked (live, not finished) until tx drops\r\n        });\r\n        log.controller = Some(ControllerSink {\r\n            tx,\r\n            send,\r\n            by: by.map(str::to_string),\r\n            last_ok: Instant::now(),\r\n            write_blocked_since: Arc::clone(&write_blocked_since),\r\n            _writer: writer,\r\n        });\r\n        write_blocked_since\r\n    }\r\n\r\n    // A blocked-since Instant that is already past BRAIN_WRITE_DEADLINE.\r\n    #[cfg(test)]\r\n    fn wedged_since() -> Instant {\r\n        Instant::now()\r\n            .checked_sub(BRAIN_WRITE_DEADLINE + Duration::from_secs(1))\r\n            .expect(\"process has been up longer than the deadline\")\r\n    }\r\n\r","startLine":5367,"lineNumbers":[5367,5368,5369,5370,5371,5372,5373,5374,5375,5376,5377,5378,5379,5380,5381,5382,5383,5384,5385,5386,5387,5388,5389,5390,5391,5392,5393,5394,5395,5396,5397,5398,5399,5400,5401,5402,5403,5404,5405,5406,5407,5408,5409,5410,5411,5412,5413,5414,5415,5416,5417,5418,5419,5420,5421,5422,5423,5424,5425,5426,5427,5428,5429,5430,5431,5432,5433,5434,5435,5436,5437,5438,5439,5440,5441,5442,5443,5444,5445,5446,5447,5448,5449,5450,5451,5452,5453,5454,5455,5456,5457,5458,5459,5460,5461,5462,5463,5464,5465,5466,5467,5468,5469,5470,5471,5472,5473]},"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":5718,"totalBytes":4884,"outputLines":107,"outputBytes":4884,"shownRange":{"start":5367,"end":5473},"nextOffset":5474}}},"isError":false,"timestamp":1783657727269}}
{"type":"message","id":"57caa1b9","parentId":"ce03e80e","timestamp":"2026-07-10T04:28:47.299Z","message":{"role":"toolResult","toolCallId":"call_6BLZp6PETAr7dZbmHPAWef64|fc_0c89dcd879efbf36016a5074ff14bc81978cdae9a7b947435b","toolName":"read","content":[{"type":"text","text":"[broker.rs#1F25]\n1528:struct HostedSession {\n…\n1554:    /// restart to the swapped-in argv.\n1555:    translation_argv: Option<Vec<String>>,\n1556:    /// The bounded-respawn give-up counter shared with the inject worker (F029 C-1,\n1557:    /// REQ-HAZARD-TRANSLATE-FAULT-PERMANENT-DEATH): the dispatch respawn path\n1558:    /// increments it per rebuild, the worker RESETS it to 0 on a healthy `{commit}`\n1559:    /// (so a recovered binary refreshes the whole budget). At `translate_respawn_\n1560:    /// budget()` the daemon gives up (loud) and leaves the binary dead → spool.\n1561:    translation_respawns: Arc<AtomicU32>,\n1562:    /// The adapter name owning this session (W3a, ADR-0025) — empty for a\n1563:    /// legacy/test/shell spawn. A live adapter update finds every live session\n1564:    /// whose `adapter` matches to cycle its resident children.\n1565:    adapter: String,\n1566:    /// The adapter's install dir for this session (W3a) — `None` if unknown. The\n1567:    /// apply target for a live update's CRC swap.\n1568:    install_dir: Option<std::path::PathBuf>,\n1569:}\n1570:\n1571:/// One record queued to a session's dedicated PTY input-writer thread — the raw\n1572:/// bytes to write (v0.13.0 P0, REQ-HAZARD-PTY-INPUT-WRITER-WEDGE).\n1573:type InputRecord = Vec<u8>;\n1574:\n1575:/// The per-session PTY input FIFO depth (records). Sized for a generous paste —\n1576:/// a wedged harness fills this and then DROPS, never blocking the dispatch\n1577:/// thread. The int gate shrinks it via `SPT_INPUT_QUEUE_DEPTH` so the\n1578:/// DROP+`INPUT_BACKPRESSURE` leg is forced in a handful of records rather than a\n1579:/// few hundred KB of real paste.\n1580:const INPUT_QUEUE_DEPTH: usize = 4096;\n1581:\n1582:/// The effective input FIFO depth: production is [`INPUT_QUEUE_DEPTH`]; the int\n1583:/// gate overrides it (`SPT_INPUT_QUEUE_DEPTH`) to a tiny value to force a\n1584:/// deterministic queue saturation — the depth's PRESENCE (bounded, drop-on-full)\n1585:/// is the invariant, not its exact value.\n1586:fn input_queue_depth() -> usize {\n1587:    match std::env::var(\"SPT_INPUT_QUEUE_DEPTH\") {\n1588:        Ok(n) => n\n1589:            .parse::<usize>()\n1590:            .ok()\n1591:            .filter(|d| *d > 0)\n1592:            .unwrap_or(INPUT_QUEUE_DEPTH),\n1593:        Err(_) => INPUT_QUEUE_DEPTH,\n1594:    }\n1595:}\n\n[Showing lines 1554-1593 of 5718. Use :1594 to continue]"}],"details":{"truncation":{"content":"    /// restart to the swapped-in argv.\r\n    translation_argv: Option<Vec<String>>,\r\n    /// The bounded-respawn give-up counter shared with the inject worker (F029 C-1,\r\n    /// REQ-HAZARD-TRANSLATE-FAULT-PERMANENT-DEATH): the dispatch respawn path\r\n    /// increments it per rebuild, the worker RESETS it to 0 on a healthy `{commit}`\r\n    /// (so a recovered binary refreshes the whole budget). At `translate_respawn_\r\n    /// budget()` the daemon gives up (loud) and leaves the binary dead → spool.\r\n    translation_respawns: Arc<AtomicU32>,\r\n    /// The adapter name owning this session (W3a, ADR-0025) — empty for a\r\n    /// legacy/test/shell spawn. A live adapter update finds every live session\r\n    /// whose `adapter` matches to cycle its resident children.\r\n    adapter: String,\r\n    /// The adapter's install dir for this session (W3a) — `None` if unknown. The\r\n    /// apply target for a live update's CRC swap.\r\n    install_dir: Option<std::path::PathBuf>,\r\n}\r\n\r\n/// One record queued to a session's dedicated PTY input-writer thread — the raw\r\n/// bytes to write (v0.13.0 P0, REQ-HAZARD-PTY-INPUT-WRITER-WEDGE).\r\ntype InputRecord = Vec<u8>;\r\n\r\n/// The per-session PTY input FIFO depth (records). Sized for a generous paste —\r\n/// a wedged harness fills this and then DROPS, never blocking the dispatch\r\n/// thread. The int gate shrinks it via `SPT_INPUT_QUEUE_DEPTH` so the\r\n/// DROP+`INPUT_BACKPRESSURE` leg is forced in a handful of records rather than a\r\n/// few hundred KB of real paste.\r\nconst INPUT_QUEUE_DEPTH: usize = 4096;\r\n\r\n/// The effective input FIFO depth: production is [`INPUT_QUEUE_DEPTH`]; the int\r\n/// gate overrides it (`SPT_INPUT_QUEUE_DEPTH`) to a tiny value to force a\r\n/// deterministic queue saturation — the depth's PRESENCE (bounded, drop-on-full)\r\n/// is the invariant, not its exact value.\r\nfn input_queue_depth() -> usize {\r\n    match std::env::var(\"SPT_INPUT_QUEUE_DEPTH\") {\r\n        Ok(n) => n\r\n            .parse::<usize>()\r\n            .ok()\r\n            .filter(|d| *d > 0)\r\n            .unwrap_or(INPUT_QUEUE_DEPTH),\r\n        Err(_) => INPUT_QUEUE_DEPTH,\r","truncated":true,"truncatedBy":"lines","totalLines":4165,"totalBytes":2117,"outputLines":40,"outputBytes":2117,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"struct HostedSession {\n…\n    /// restart to the swapped-in argv.\r\n    translation_argv: Option<Vec<String>>,\r\n    /// The bounded-respawn give-up counter shared with the inject worker (F029 C-1,\r\n    /// REQ-HAZARD-TRANSLATE-FAULT-PERMANENT-DEATH): the dispatch respawn path\r\n    /// increments it per rebuild, the worker RESETS it to 0 on a healthy `{commit}`\r\n    /// (so a recovered binary refreshes the whole budget). At `translate_respawn_\r\n    /// budget()` the daemon gives up (loud) and leaves the binary dead → spool.\r\n    translation_respawns: Arc<AtomicU32>,\r\n    /// The adapter name owning this session (W3a, ADR-0025) — empty for a\r\n    /// legacy/test/shell spawn. A live adapter update finds every live session\r\n    /// whose `adapter` matches to cycle its resident children.\r\n    adapter: String,\r\n    /// The adapter's install dir for this session (W3a) — `None` if unknown. The\r\n    /// apply target for a live update's CRC swap.\r\n    install_dir: Option<std::path::PathBuf>,\r\n}\r\n\r\n/// One record queued to a session's dedicated PTY input-writer thread — the raw\r\n/// bytes to write (v0.13.0 P0, REQ-HAZARD-PTY-INPUT-WRITER-WEDGE).\r\ntype InputRecord = Vec<u8>;\r\n\r\n/// The per-session PTY input FIFO depth (records). Sized for a generous paste —\r\n/// a wedged harness fills this and then DROPS, never blocking the dispatch\r\n/// thread. The int gate shrinks it via `SPT_INPUT_QUEUE_DEPTH` so the\r\n/// DROP+`INPUT_BACKPRESSURE` leg is forced in a handful of records rather than a\r\n/// few hundred KB of real paste.\r\nconst INPUT_QUEUE_DEPTH: usize = 4096;\r\n\r\n/// The effective input FIFO depth: production is [`INPUT_QUEUE_DEPTH`]; the int\r\n/// gate overrides it (`SPT_INPUT_QUEUE_DEPTH`) to a tiny value to force a\r\n/// deterministic queue saturation — the depth's PRESENCE (bounded, drop-on-full)\r\n/// is the invariant, not its exact value.\r\nfn input_queue_depth() -> usize {\r\n    match std::env::var(\"SPT_INPUT_QUEUE_DEPTH\") {\r\n        Ok(n) => n\r\n            .parse::<usize>()\r\n            .ok()\r\n            .filter(|d| *d > 0)\r\n            .unwrap_or(INPUT_QUEUE_DEPTH),\r\n        Err(_) => INPUT_QUEUE_DEPTH,\r\n    }\n}","startLine":1528,"lineNumbers":[1528,null,1554,1555,1556,1557,1558,1559,1560,1561,1562,1563,1564,1565,1566,1567,1568,1569,1570,1571,1572,1573,1574,1575,1576,1577,1578,1579,1580,1581,1582,1583,1584,1585,1586,1587,1588,1589,1590,1591,1592,1593,1594,1595]},"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":5718,"totalBytes":2117,"outputLines":40,"outputBytes":2117,"shownRange":{"start":1554,"end":1593},"nextOffset":1594}}},"isError":false,"timestamp":1783657727299}}
{"type":"message","id":"036ca6d4","parentId":"57caa1b9","timestamp":"2026-07-10T04:30:53.766Z","message":{"role":"assistant","content":[{"type":"thinking","thinking":"**Planning patch implementation for LazyLock and ProbeEnqueue structs**\n\n<!-- -->\n\n**Refactoring enqueue function with helpers and detailed logging**\n\n<!-- -->"},{"type":"thinking","thinking":"**Refactoring probe loop for clarity**\n\n<!-- -->\n\n**Designing CtrlWriteTrace helper struct**\n\n<!-- -->"},{"type":"thinking","thinking":"**Clarifying lock timing and states**\n\n<!-- -->\n\n**Refactoring lock write timing and trace handling**\n\n<!-- -->"},{"type":"thinking","thinking":"**Defining constructor parameters and control label handling**\n\n<!-- -->\n\n**Refining write timing and wait capture logic**\n\n<!-- -->"},{"type":"thinking","thinking":"**Identifying connection ID handling locations**\n\n<!-- -->"},{"type":"toolCall","id":"call_g9nOmfYXIsJSpxOTomt6Mdma|ctc_0c89dcd879efbf36016a50752aa62c8197ab5f17140031fd5d","name":"edit","arguments":{"input":"*** Begin Patch\n[spt-core/crates/spt-daemon/src/broker.rs#1F25]\nSWAP 38.=38:\n+use std::sync::{Arc, LazyLock, Mutex};\nINS.POST 77:\n+\n+/// Observation-only RCA gate for PTY/control write causality. The value is\n+/// sampled once per broker process so the hot paths pay only a cheap static read.\n+static RCA_PTY_TRACE_ENABLED: LazyLock<bool> = LazyLock::new(|| {\n+    matches!(\n+        std::env::var(\"SPT_RCA_PTY_TRACE\"),\n+        Ok(value) if value == \"1\"\n+    )\n+});\n+\n+/// Process-local monotonic origin and correlation-id sources for RCA markers.\n+static RCA_PTY_TRACE_START: LazyLock<Instant> = LazyLock::new(Instant::now);\n+static NEXT_RCA_CONN_ID: AtomicU64 = AtomicU64::new(1);\n+static NEXT_RCA_PROBE_TICKET: AtomicU64 = AtomicU64::new(1);\n+\n+fn rca_pty_trace_enabled() -> bool {\n+    *RCA_PTY_TRACE_ENABLED\n+}\n+\n+fn rca_pty_trace_elapsed_us() -> u128 {\n+    RCA_PTY_TRACE_START.elapsed().as_micros()\n+}\n+\n+/// Per-write trace state. It is allocated only while the RCA gate is enabled;\n+/// the frame is serialized solely to report its wire length, never its payload.\n+struct CtrlWriteTrace {\n+    conn_id: u64,\n+    sid: u64,\n+    epoch: u64,\n+    label: String,\n+    bytes_len: usize,\n+    wait_started: Option<Instant>,\n+    write_started: Option<Instant>,\n+    wait_us: u128,\n+    write_us: u128,\n+}\n+\n+impl CtrlWriteTrace {\n+    fn new(\n+        conn_id: u64,\n+        sid: u64,\n+        epoch: u64,\n+        seq: Option<u64>,\n+        frame: &Envelope,\n+    ) -> Option<Self> {\n+        if !rca_pty_trace_enabled() {\n+            return None;\n+        }\n+        let label = match seq {\n+            Some(seq) => format!(\"seq:{seq}\"),\n+            None => format!(\"control:{}\", frame.kind),\n+        };\n+        let bytes_len = serde_json::to_vec(frame)\n+            .map(|body| body.len() + std::mem::size_of::<u32>())\n+            .unwrap_or(0);\n+        eprintln!(\n+            \"CTRL_WRITE_WAIT: conn_id={conn_id} sid={sid} epoch={epoch} \\\n+             label={label} bytes_len={bytes_len} elapsed_us={}\",\n+            rca_pty_trace_elapsed_us()\n+        );\n+        Some(Self {\n+            conn_id,\n+            sid,\n+            epoch,\n+            label,\n+            bytes_len,\n+            wait_started: None,\n+            write_started: None,\n+            wait_us: 0,\n+            write_us: 0,\n+        })\n+    }\n+\n+    fn begin_wait(&mut self) {\n+        self.wait_started = Some(Instant::now());\n+    }\n+\n+    fn locked(&mut self) {\n+        self.wait_us = self\n+            .wait_started\n+            .take()\n+            .map(|started| started.elapsed().as_micros())\n+            .unwrap_or(0);\n+        eprintln!(\n+            \"CTRL_WRITE_LOCKED: conn_id={} sid={} epoch={} label={} bytes_len={} \\\n+             wait_us={} elapsed_us={}\",\n+            self.conn_id,\n+            self.sid,\n+            self.epoch,\n+            self.label,\n+            self.bytes_len,\n+            self.wait_us,\n+            rca_pty_trace_elapsed_us()\n+        );\n+    }\n+\n+    fn lock_failed(&mut self) {\n+        self.wait_us = self\n+            .wait_started\n+            .take()\n+            .map(|started| started.elapsed().as_micros())\n+            .unwrap_or(0);\n+    }\n+\n+    fn begin_write(&mut self) {\n+        self.write_started = Some(Instant::now());\n+    }\n+\n+    fn finish_write(&mut self) {\n+        self.write_us = self\n+            .write_started\n+            .take()\n+            .map(|started| started.elapsed().as_micros())\n+            .unwrap_or(0);\n+    }\n+\n+    fn done(&self, result: &str) {\n+        eprintln!(\n+            \"CTRL_WRITE_DONE: conn_id={} sid={} epoch={} label={} bytes_len={} \\\n+             wait_us={} write_us={} result={} elapsed_us={}\",\n+            self.conn_id,\n+            self.sid,\n+            self.epoch,\n+            self.label,\n+            self.bytes_len,\n+            self.wait_us,\n+            self.write_us,\n+            result,\n+            rca_pty_trace_elapsed_us()\n+        );\n+    }\n+}\nSWAP 488.=490:\n+struct ControllerSink {\n+    /// Process-local connection correlation id retained with the controller state.\n+    #[allow(dead_code)] // the writer thread owns active logging; the sink owns identity\n+    conn_id: u64,\n+    /// The bounded live-frame queue to the controller's writer thread.\n+    tx: SyncSender<CtrlMsg>,\nSWAP 885.=885:\n+    fn become_controller(\n+        &mut self,\n+        sub: SharedSend,\n+        by: Option<String>,\n+        from_seq: u64,\n+        conn_id: u64,\n+    ) {\nSWAP 917.=919:\n+        let writer = thread::spawn(move || {\n+            controller_writer(\n+                conn_id,\n+                sid,\n+                writer_send,\n+                initial,\n+                rx,\n+                dt,\n+                epoch,\n+                epoch_gate,\n+                writer_blocked,\n+            )\n+        });\nSWAP 920.=922:\n+        self.controller = Some(ControllerSink {\n+            conn_id,\n+            tx,\n+            send: sub,\nSWAP 1108.=1114:\n+    fn resolve_subscribe(\n+        &mut self,\n+        sub: SharedSend,\n+        from_seq: u64,\n+        intent: AttachIntent,\n+        by: Option<String>,\n+        conn_id: u64,\n+    ) -> SubscribeOutcome {\nSWAP 1137.=1137:\n+            self.become_controller(sub, by, from_seq, conn_id);\nSWAP 1145.=1145:\n+            self.become_controller(sub, by, from_seq, conn_id);\nSWAP 1159.=1159:\n+            self.become_controller(sub, by, from_seq, conn_id);\nSWAP 1174.=1174:\n+                self.become_controller(sub, by, from_seq, conn_id);\nSWAP 1417.=1426:\n+fn controller_writer(\n+    conn_id: u64,\n+    sid: u64,\n+    send: SharedSend,\n+    initial: Vec<(u64, Vec<u8>)>,\n+    rx: Receiver<CtrlMsg>,\n+    delivered_through: Arc<AtomicU64>,\n+    epoch: u64,\n+    controller_epoch: Arc<AtomicU64>,\n+    write_blocked_since: Arc<Mutex<Option<Instant>>>,\n+) {\nSWAP 1437.=1465:\n+    for (seq, bytes) in &initial {\n+        let frame = output_envelope(sid, *seq, bytes);\n+        // P1c: a SUPERSEDED writer (a newer `become_controller` bumped the shared\n+        // epoch past ours) must write NOTHING further — otherwise its owned\n+        // initial batch races the new writer on the same socket and reorders the\n+        // seq stream. The gate is read UNDER `send.lock()`, atomically with the\n+        // write: both writers serialize on this one socket mutex, and\n+        // `become_controller` bumps the epoch BEFORE spawning the new writer, so\n+        // whichever superseded writer next holds the lock observes the bump and\n+        // bails before committing — no check-then-block-then-write window. (A\n+        // frame the stale writer committed BEFORE the bump is irreducible at the\n+        // broker; fix #1 removes the contradictory double-take that produced it.)\n+        let mut trace = CtrlWriteTrace::new(conn_id, sid, epoch, Some(*seq), &frame);\n+        mark_blocked(true);\n+        if let Some(trace) = trace.as_mut() {\n+            trace.begin_wait();\n+        }\n+        let ok = match send.lock() {\n+            Ok(mut s) => {\n+                if let Some(trace) = trace.as_mut() {\n+                    trace.locked();\n+                }\n+                if controller_epoch.load(Ordering::Acquire) != epoch {\n+                    mark_blocked(false);\n+                    if let Some(trace) = trace.as_ref() {\n+                        trace.done(\"superseded\");\n+                    }\n+                    return;\n+                }\n+                if let Some(trace) = trace.as_mut() {\n+                    trace.begin_write();\n+                }\n+                let ok = write_frame(&mut *s, &frame).is_ok();\n+                if let Some(trace) = trace.as_mut() {\n+                    trace.finish_write();\n+                }\n+                ok\n+            }\n+            Err(_) => {\n+                if let Some(trace) = trace.as_mut() {\n+                    trace.lock_failed();\n+                }\n+                false\n+            }\n+        };\n+        mark_blocked(false);\n+        if let Some(trace) = trace.as_ref() {\n+            trace.done(if ok { \"ok\" } else { \"error\" });\n+        }\n+        if !ok {\n+            return;\n+        }\n+        advance_delivered(&delivered_through, *seq);\n+    }\nSWAP 1466.=1496:\n+    while let Ok(msg) = rx.recv() {\n+        let (frame, seq) = match &msg {\n+            CtrlMsg::Output(seq, frame) => (frame, Some(*seq)),\n+            CtrlMsg::Control(frame) => (frame, None),\n+        };\n+        // NO epoch gate on the live path (P1c): new output only ever flows to the\n+        // CURRENT controller's channel (the drain clones `self.controller.tx`), so\n+        // a superseded writer's channel holds only its pre-supersede output\n+        // backlog (seq the consumer dedups via snap-above) plus its own TERMINAL\n+        // control frames — notably the `Displaced` kick the displaced controller\n+        // MUST still receive. The loop ends naturally when `tx` drops. Gating\n+        // output here would suppress that `Displaced` (the cv-matrix loud-take\n+        // hang). The reorder hazard is the INITIAL-BATCH replay, gated above.\n+        let mut trace = CtrlWriteTrace::new(conn_id, sid, epoch, seq, frame);\n+        mark_blocked(true);\n+        if let Some(trace) = trace.as_mut() {\n+            trace.begin_wait();\n+        }\n+        let ok = match send.lock() {\n+            Ok(mut s) => {\n+                if let Some(trace) = trace.as_mut() {\n+                    trace.locked();\n+                    trace.begin_write();\n+                }\n+                let ok = write_frame(&mut *s, frame).is_ok();\n+                if let Some(trace) = trace.as_mut() {\n+                    trace.finish_write();\n+                }\n+                ok\n+            }\n+            Err(_) => {\n+                if let Some(trace) = trace.as_mut() {\n+                    trace.lock_failed();\n+                }\n+                false\n+            }\n+        };\n+        mark_blocked(false);\n+        if let Some(trace) = trace.as_ref() {\n+            trace.done(if ok { \"ok\" } else { \"error\" });\n+        }\n+        if !ok {\n+            return;\n+        }\n+        if let Some(seq) = seq {\n+            // (a) CONTIGUOUS cursor (b4 / B2 gapless-resume — doyle's gate): with the\n+            // drop-on-full handoff in `append`, the controller's live channel can SKIP\n+            // a seq (dropped while Full). The frame still went to the socket (the live\n+            // operator sees it), but the durable resume cursor must NOT jump past the\n+            // gap — see [`contiguous_advance`].\n+            contiguous_advance(&delivered_through, seq);\n+        }\n+    }\nSWAP 1571.=1573:\n+/// One record queued to a session's dedicated PTY input-writer thread. Probe\n+/// metadata carries only a monotonic ticket; user/payload bytes are never logged.\n+struct InputRecord {\n+    bytes: Vec<u8>,\n+    probe_ticket: Option<u64>,\n+}\n+\n+#[derive(Clone, Copy)]\n+struct ProbeEnqueue {\n+    ticket: Option<u64>,\n+    accepted: bool,\n+}\nSWAP 1624.=1633:\n+    fn spawn(session: Arc<PtySession>, endpoint: String) -> Arc<InputWriter> {\n+        let (tx, rx) = sync_channel::<InputRecord>(input_queue_depth());\n+        let writer_endpoint = endpoint.clone();\n+        let writer = thread::spawn(move || input_writer(session, rx, writer_endpoint));\n+        Arc::new(InputWriter {\n+            tx,\n+            backpressure: AtomicBool::new(false),\n+            endpoint,\n+            _writer: writer,\n+        })\n+    }\nSWAP 1641.=1660:\n+    fn enqueue(&self, bytes: Vec<u8>) -> bool {\n+        self.enqueue_record(InputRecord {\n+            bytes,\n+            probe_ticket: None,\n+        })\n+    }\n+\n+    /// Enqueue exactly the settle DSR probe with a trace ticket when RCA tracing\n+    /// is enabled. The ordinary path remains the same non-blocking enqueue.\n+    fn enqueue_probe(&self) -> ProbeEnqueue {\n+        if !rca_pty_trace_enabled() {\n+            return ProbeEnqueue {\n+                ticket: None,\n+                accepted: self.enqueue(INJECT_SETTLE_PROBE.to_vec()),\n+            };\n+        }\n+        let ticket = NEXT_RCA_PROBE_TICKET.fetch_add(1, Ordering::Relaxed);\n+        let accepted = self.enqueue_record(InputRecord {\n+            bytes: INJECT_SETTLE_PROBE.to_vec(),\n+            probe_ticket: Some(ticket),\n+        });\n+        eprintln!(\n+            \"PROBE_ENQUEUE: endpoint={} ticket={} accepted={} result={} bytes_len={} \\\n+             elapsed_us={}\",\n+            self.endpoint,\n+            ticket,\n+            accepted,\n+            if accepted { \"accepted\" } else { \"dropped\" },\n+            INJECT_SETTLE_PROBE.len(),\n+            rca_pty_trace_elapsed_us()\n+        );\n+        ProbeEnqueue {\n+            ticket: Some(ticket),\n+            accepted,\n+        }\n+    }\n+\n+    fn enqueue_record(&self, record: InputRecord) -> bool {\n+        match self.tx.try_send(record) {\n+            Ok(()) => {\n+                // Heal: input is flowing again — clear a prior backpressure stamp.\n+                if self.backpressure.swap(false, Ordering::AcqRel) {\n+                    self.stamp_backpressure(false);\n+                }\n+                true\n+            }\n+            Err(TrySendError::Full(_)) => {\n+                // DROP + surface, but stamp only on the rising edge.\n+                if !self.backpressure.swap(true, Ordering::AcqRel) {\n+                    self.stamp_backpressure(true);\n+                }\n+                false\n+            }\n+            // The writer thread is gone (session teardown) — nothing to do.\n+            Err(TrySendError::Disconnected(_)) => false,\n+        }\n+    }\nSWAP 1680.=1684:\n+fn input_writer(session: Arc<PtySession>, rx: Receiver<InputRecord>, endpoint: String) {\n+    while let Ok(record) = rx.recv() {\n+        if let Some(ticket) = record.probe_ticket {\n+            eprintln!(\n+                \"PROBE_WRITE_START: endpoint={endpoint} ticket={ticket} bytes_len={} \\\n+                 elapsed_us={}\",\n+                record.bytes.len(),\n+                rca_pty_trace_elapsed_us()\n+            );\n+            let write_started = Instant::now();\n+            let ok = session.write_input(&record.bytes).is_ok();\n+            eprintln!(\n+                \"PROBE_WRITE_DONE: endpoint={endpoint} ticket={ticket} bytes_len={} \\\n+                 write_us={} result={} elapsed_us={}\",\n+                record.bytes.len(),\n+                write_started.elapsed().as_micros(),\n+                if ok { \"ok\" } else { \"error\" },\n+                rca_pty_trace_elapsed_us()\n+            );\n+        } else {\n+            let _ = session.write_input(&record.bytes);\n+        }\n+    }\n+}\nSWAP 1919.=1937:\n+fn settle_before_inject(input: &InputWriter, log: &Mutex<OutputLog>, endpoint: &str) -> bool {\n+    let baseline = recover_log(log).high_water();\n+    let deadline = Instant::now() + inject_settle_deadline();\n+    loop {\n+        // Probe: a live reader answers DSR / re-renders → the ring advances.\n+        let probe = input.enqueue_probe();\n+        thread::sleep(INJECT_SETTLE_POLL);\n+        let current = recover_log(log).high_water();\n+        if current > baseline {\n+            return true; // output produced since baseline → the input reader is live\n+        }\n+        if Instant::now() >= deadline {\n+            if rca_pty_trace_enabled() {\n+                eprintln!(\n+                    \"INJECT_SETTLE_TIMEOUT:{endpoint}: no PTY readiness echo within {}ms \\\n+                     — proceeding (echo-verify guards head loss); baseline_high_water={} \\\n+                     current_high_water={} last_probe_ticket={} last_probe_accepted={} \\\n+                     elapsed_us={}\",\n+                    inject_settle_deadline().as_millis(),\n+                    baseline,\n+                    current,\n+                    probe.ticket.unwrap_or(0),\n+                    probe.accepted,\n+                    rca_pty_trace_elapsed_us()\n+                );\n+            } else {\n+                eprintln!(\n+                    \"INJECT_SETTLE_TIMEOUT:{endpoint}: no PTY readiness echo within {}ms — proceeding (echo-verify guards head loss)\",\n+                    inject_settle_deadline().as_millis()\n+                );\n+            }\n+            return false;\n+        }\n+    }\n+}\nSWAP 2750.=2752:\n+    fn handle_conn(self: &Arc<Self>, conn: Stream) -> io::Result<()> {\n+        let conn_id = NEXT_RCA_CONN_ID.fetch_add(1, Ordering::Relaxed);\n+        let (mut recv, send) = conn.split();\n+        let send: SharedSend = Arc::new(Mutex::new(send));\nSWAP 2768.=2768:\n+                KIND_SPAWN => match self.dispatch_spawn(env, &send, conn_id) {\nSWAP 2772.=2772:\n+                KIND_SUBSCRIBE => match self.dispatch_subscribe(env, &send, conn_id) {\nSWAP 2970.=2970:\n+    fn dispatch_spawn(\n+        &self,\n+        env: Envelope,\n+        send: &SharedSend,\n+        conn_id: u64,\n+    ) -> Result<u64, String> {\nSWAP 3076.=3078:\n+        log.lock()\n+            .unwrap()\n+            .become_controller(Arc::clone(send), None, 0, conn_id);\nSWAP 3194.=3194:\n+    fn dispatch_subscribe(\n+        &self,\n+        env: Envelope,\n+        send: &SharedSend,\n+        conn_id: u64,\n+    ) -> Result<u64, String> {\nINS.POST 3220:\n+            conn_id,\nSWAP 4532.=4534:\n+        log.controller = Some(ControllerSink {\n+            conn_id: 0,\n+            tx: ctx,\n+            send: csend,\nSWAP 4704.=4706:\n+        while let Ok(record) = rx.recv() {\n+            surface.write_input(&record.bytes).unwrap();\n+        }\nSWAP 5142.=5142:\n+        let drained: Vec<Vec<u8>> =\n+            std::iter::from_fn(|| rx.recv().ok().map(|record| record.bytes)).collect();\nSWAP 5257.=5257:\n+        log.become_controller(Arc::clone(&send), None, 0, 0);\nSWAP 5266.=5266:\n+        log.become_controller(Arc::clone(&send), None, 0, 0);\nSWAP 5325.=5325:\n+        log.become_controller(Arc::clone(&send), None, 0, 0);\nSWAP 5382.=5384:\n+        log.controller = Some(ControllerSink {\n+            conn_id: 0,\n+            tx,\n+            send,\nSWAP 5418.=5420:\n+        log.controller = Some(ControllerSink {\n+            conn_id: 0,\n+            tx,\n+            send,\nSWAP 5455.=5457:\n+        log.controller = Some(ControllerSink {\n+            conn_id: 0,\n+            tx,\n+            send,\nSWAP 5564.=5565:\n+        let outcome = log.resolve_subscribe(\n+            nsend,\n+            0,\n+            AttachIntent::Control,\n+            Some(\"newcomer\".to_string()),\n+            0,\n+        );\n*** End Patch\n"},"customWireName":"edit"}],"api":"openai-codex-responses","provider":"openai-codex","model":"gpt-5.6-sol","usage":{"input":4090,"output":6936,"cacheRead":91648,"cacheWrite":0,"totalTokens":102674,"reasoningTokens":2227,"cost":{"input":0.020450000000000003,"output":0.20808000000000001,"cacheRead":0.045824,"cacheWrite":0,"total":0.274354}},"stopReason":"toolUse","timestamp":1783657727346,"responseId":"resp_0c89dcd879efbf36016a5074ff88608197885432819c377717","providerPayload":{"type":"openaiResponsesHistory","provider":"openai-codex","dt":true,"items":[{"id":"rs_0c89dcd879efbf36016a507500b8708197b86a529828cf77ec","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUHUK4oh8_mE9O6eXC7bSXOk3Npp9Uyo5AG9PE4__Jw5ssCoDKGg4xyil7liyCpNMVrdmvjQkUfq2lbJ-TYzzJbvR1NyEUhTkNjbyaCbPgnofRmNjDJsWVQp9RNliKjlHg64nf81WGdN8qkRONHTWGpDEHrzvM5JVjIqAD__velar4dRPNZZl2zOU8fIHJC8jx5nvoRzZop5BjM74_I3QHU1MVaRA5T3MRKT_bkHAm5Sanf7iz-r2Pd4qQAgHinw5F2WtwC2oABTwZOUGruoci15PDxQAAe7mQe9cCyl3xzoH9Chc5Oi5ifNkgVmzJxwym95g6tdAfhKdGHzF48RFjjrRsBhyDNa_RRnHdWrQZxCxWxj3e2BDcg0G6_R2poRB7LyKGbJHaswU8jw3h_IfueAAELPqlm5LwLD0VDEy1ry911p894noGDNa4cg_-vY3RVQZ4VOif2w2oWXMaDyRbJkCrMf49J4JtcMAYazXQbsa8UYES3hXqzJsxOoML0pi7-Ur5hm8sozaw2VVuA0jbZykf50ok7UGPmrbHV-WcIDd2J_u9W7GLhSyeOFoI5Aisf3F-sXoEGWuvfOTdN_y2QUaxz7-W8F4NpHZSqb20KK2Dexw_6Hcdi2dyiZ0xCQ7djMvszJlIGiHVPSw1mrPXv8d2pbITxc6Q7TIrp48cI53Dm5WQskKI2DKrcqeJCQUcaPO0qoo7QvkyRoJQU5sQz1mBMH7RJkNpruO6_PCCm67sIDXvU9sbec3UULYG0XXcp8PL3tuN1WijwkfuxpjxLAuncRQD0mwb3VLTgvUqb9Pf2LZb_BbvFDXeGdFm4voosdGPO5iKooiJm4KREnUqhbJSaS1EWn-5eYKlsOUMTAd-lWrNjliDZEbEnvi0HcfC7oI7AkVqCD6zNx1ekcK5ky5P6g1LDFCbH7-C4HJgNCMj9HTLkGRUjMAZOj9yKU3JyffF56qUxSl_kQS4lhBFEY_NWtoBSdokyVGmieggma3kLu7ZPKtsJtZcnTWk7CsQhFs3yZZ7tGCj7RzYF7XbQuMTrJkNRujH_HpaB1XGPiuTlkD62Jqq7NKkctZ4SVS45vECGDWHTbVIsr3mEOl83nbqLkCZz5I9hVd8SOzNTbDtp7djM_EmcZVMUuWlFJ50b_xBWcVMzUyjx6bVVwV962LprCPBE-g_mvtZL_oWAXogt41A0E7mA7aMxm1AZMlZQq2TVJhWB4WR3dMyLeUaCfkvi59Ai_FD2vEpybgxOPUXwtOrKFeGfQqRz9EZlR3RP1ozm-ROSr3pE4e0V3efyZh0HXm1oNUfi1fZwOx3tDZPOmJDeD3c-v0orIHJTpdfOVgaIoJTVKSiHkDTapcPUdjTYAVdFLQaDRCQS7TYDfV1POq2bsUmSidLn6d8gf4UB-pBPar6Wm9Lapglo1CQK8_dKaatFbQqd3MGIj6UeV_6DYssBpHd762ac0jnnc_2EwVY_hpLNFJzEGadVGRZ6lPcskqBKU-UKkeC9NMcY7wOSEnAa6mkm8NOGIFDgr2p5nTedMdw21AA97vDuuF_G5kzH4OR3mqLJm58-6qSOqnH3ansifi41rivue_F9sObmseLL4nlRZ4cQ29cDJFWgUBDwC4e4y7NeQQ-Pmmgo2xZV2rsBzrNDX4NHgsMI9kxrUmdtTMFkRM0Jiq1DtWAJSwoKJTFOWDKSz2Mu8SSmKIZQ582OiS9_QT4493rDwASjP0fmb-sb4nWaMXj7SXBNst_9U8aSirwcfogr74UJgOzU0TeHPFQ_wAXZeV0GRe5KHQWQzXq1bj6vQIjWJrpUKpF8Yq2lF9N8M4ZWOmhKzc1n4CzhMVC7TUrHXfHYVoXPl1bgZtACS68VPTN5whoUn6HSn_Lft6X09zp-v06XKjrQYnN2Mp8EtbD3Eb7FYtfSaJczzvlf8NJEbACuMEQ1B_JhxOKiYdFjx2LlOhN0Yd5g_E9ZK_fG0QHjZggImj05ikhpHpiSrmRY7O2JsIDCqbGNulesJTLSXxrvUAxjt1YSvU07Ptvcg_yBmfXR-xjU5QLCcnGDvnotW6ScEL5oUAwBuX2YAAEMF0QtOO3m4SAuVlxOvIZmquK_wmbkXpgF5cEaIvRiEE-f7WpbggXZYr5lUFnENfA5jViq_gXnYtJJ4nh1XRCGhRli3GywXEPa2TFkIt_Tckd-VmnAi6U626cjNDKdBXp7yNTK_up7FR25Uc-I7HVBwkaKYwN52uQEx3yUbcSmf3XV3NXlDVoFpExVNDjagR6J5PG0lVCPMsVx2Gsk9VDfvpcbFStCgSDOeQPc35-fBZCq4keJXNGxvVG9Oj1_r1dkCAy2NQPJSopzii0O0WRm8vdkLAe27XDZIzvNbP2-tCJnBccR7BDWdVAFri0BtibbjSAsWIU0CeqNSTnhir5E9f6y-jsdJlJRMOAQnjmbm0Y4vfqkA20-j73D5vphGZc1NCl7wJlR2OkbKZHnpEMEdZn_AhnlICBjcxzDcejLBMW42cAXljxJKjuWhOVQndlWVd_21LfdVDISV-UPI2-R2pYo1jlJ-HWzn3X1c3J5jsSjEvXbF87RxyeyV6QZeMV1qtStwT5i0BgzVm4KYyAZJCK7OPYgOtG2tuqltjyhxKTC_4Hgswqje8FRG7aJ6bAfDIFEeM-Fn4mHK7Ig8flNetb-n0pWiOgvNmqmLvhWC2AX5gbb6bEyfwskcIOVFxPG97xNTQmd-Vzgbq5Qs8WKEB5zR1nKpKsqy3iy82kaPHRO-vtQRwWiXem3VmkeUJlioj60aJDXly7ANQHgdMTrkJ7XVaBiot_9UWI02qwKh2RdxbHbO7io-wVhPg27JlN1YY8uLr5Lb2N01Bwj5lzbhy7UA1Ljv5iOCoVHvci744QKxJVrC9Re4uD5w2xIoyDN5QAb4BoX_yQ-ZLMYHxJkTwJ8s4iid31taNSkZcttzIhsXBSY6Tju9NM1m2vQBNGQurcY6QeVFUzaYnKacG17p5bnePDU6zg7d-trt_Gyqq-5jINV4pHtp6W_kBUfjOeucmEXQ0dnfi_GOT9SA5Sjlbheiy2zQNKaI6_rGraDlC186JFQm2x-yQxEjjNjL7iwLZHNr3EhIiDkUa6fUi8U9yk1BSyIHnBgT3Cl2MG5Zbdallop39GmEXnlQHDvwkbSHeKU5TLaIQC2UZ4XUuFfxCo2WcYdwA91TgyGb4DJehOxiIc-Oy1zz8kDU3wvd3_lZN2-yvyL0RxpHYRprhSW7OUG6wK2y64P9gWaChupqZxH5eE1PyZX9-7wZ8AUbzrABgSxDkUtDCv1h6cLjWNKu4X4Mci_nWTmGZLmTVfSsfFAgcwfgXTo2nKkOciRgK3wvyCnCfnRDRUbrq8CjLBIc73t5KlDBesiY_X2Vt1DtSTCcJef9420lHY_Nqey4Ow_j4PUpZNZMtQj-_mQzFuoInFuyFsTSQ3AbkPKYvdE6GqQsUh5e0vsiaz4VQYB8s9KuoT8LKcDVCdX5BvqZivUv8JZ0PkaZf897iD2RUbn259rvkjxRJ6TsvmQHOi5V-I9oq1Ow8p0vM2_g6ad8Am2NS6X5VuhBP-mbUsE2SsNjr-JnR6fF5JWB-rd7pYr8Ea8fbkv-YIAMMzpZNqf6Eqyfl2YmZVtJCAwoc20fTeye_N1NZZkK6VWTZir8g7CQjo312JoyP1QtD4kJ0Y9Qb8AXVdDggIEtY0zVF9lZxRIaFFKMqE4pax9de0SPWCB-k56gVKvwQaxU2IzF4SWnEmVPjGK6J6Ai8YxUyWDZ4OCc2gNxreuMsO4Cq27Xs9HSdWLx5Bu6EO1QKbWSQOdjBjdmnuiNFYOSxrtt3oXFB1pr53tD0m8YIv4LHXCdCoCLPw7lmvuOFrGpMMJavPktR9wVk3tC9AJXHi7jXmavKWuIkwM0sjVnznGNIV4YI8mdRwLbvKqeqFXSl8NhF45GHTsSQpOfNXgc-p7m2ta40TnkVYCR0pR7b-j9xuQ==","summary":[{"type":"summary_text","text":"**Planning patch implementation for LazyLock and ProbeEnqueue structs**\n\n<!-- -->"},{"type":"summary_text","text":"**Refactoring enqueue function with helpers and detailed logging**\n\n<!-- -->"}]},{"id":"rs_0c89dcd879efbf36016a50750a5988819791b77a3e2c721b45","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUHUTR3zNOKAnxvY_XfYogYHGNA30pptztzPeXO1ZWZkEriJ64fZKc9t5OA4CwAh1XTDURCd1YpcwvS7tFJf3sGDbZioHB7FLzqconbchmeB1Vauc5To4OWAL50HkZ-E4rfVm2yeS2eDfFc42YwTjd1iSZfDkhGnWfbn2xG0EeOJdycOr8HnSQCbKxTS4MZpANIy9-jE93ykhde50V7uJPIgFKHNqCB4H6BP7RsfzZdZcSdi27MY7ANYVRZQV5LCzmSflrbxdvbmmes2l3s0Sd8QJWapv5VhPDIl6HeTQ84ma49UZEL-Xu-zWLur9NlPFQpfdyUKNR30zWF-9y_RbHv6hgZhY6cCX5hpsH4kNcRzu1G63FsiyBGbRn2U2OoBGMOY_DvN40g8UM3x75MDbvMLxnkSbGi1e016CGzCMMNXTNKhGScLbtW9tHqK-tVRl_VjY0-7kEoOm13dT-E3QqyJzoCjF603Y9QK_9eEqr_RgxK7as7AcjlrwqxG5gYhH-BTSG7hzehh6M-ePa4mHDlNvDiICD0zlsOcfFyngnws4HNgSjWXPYG84_J00aoilvyd2CqpCfzlZtrX8XmMBZ0fTFG_Su42JizB_y6pGq5KxPNSuWiBFO8QbyUA5nwY_7vHehOA1oRs_7I_k2jwceCt0ac8vdRJvT9ukR-w1zAVcb3KlB9azk4wS1b5qvA1PT5SA8GtSd7buYlcVmv3aDCKPyyYeL8e_v9aarFHsw3tJxIllFsaB-ynM5vWoN_tdADAq-mc0fTnFQ2iUlW3Ku22KkB3wvVt3P92VUlzDmFiY8GzKcaNedFmrzO4xgx3ucvtrY5v_E5_ki8KYl1bUNu9_l-PKJVdChb3U2_7Id3_mbc8D3z-qYZbvfjutnVpjxgN1bEyqHFeX3Hk5eTh_5Q1SRk3nS-Y-KluJ7O04ISgphZ8NIsIGHoBdlNDLzZwbbu8Mhzo6VbW31TjOP8v6dSzHnXe_vKD3RhPhYIhOIboJbs_Mn0rShGY0QeDbAwYsmCXdvanEts5Yal8i-xZ2F-VII7gJXHNgRXQLhx4HhH7MZ8cN2-hP9SAqIyvWCgvd7ngvCko9VzQGJeAGfcs4CfY3p90EWo2BYDxEXH9zsfvNWexG3u46Xl5OEgnXYIx_B-X7c3UjCLh85QlFhhLPjgrEyiKe3VC6IAtwCMT_1ITASWGKTzcF4_UQUAQ6cjz8h9F-HdCB0ctyd7rIkaw4cPhZ2UCEMhaIX53_Sm9rC_L95hSGGSQhsdKecvyXg-9zr5pj5mHdv_dq6ednEY4vSAPd3YX2uYO6gJcX0ubQjB96DiYLwCl2uD0rxCS9l3zBYw89VAX8YoAvGmYE6I6z0N2IYr_BYxprv67F11E7MmrekO8UTzNBhD5lChPcysrTxjG4h1Gl7ksUUIL08w_6MZR8_xSIe-V3ViSHnpVNA93XwPslyhyE9z1rtD-2zvnvugLdYVndNtcG1VO9Ds5ozt_0r7mg-q3EJKWr12YMLDaXI4yxRQlqyLDaWDbTuzd-QYEIQS9RNdqC1tqZ-K_yPwhp6MUNqSSQcpWLsZZd8pG4jdSRWLwu8OM7fjPaliJIDRcrtabfgg5QVz0nr_NpWvf5ZMimx8oFolb8lcAtdL43SjrlxLsEQ9ERnJ1MCFy7WyDUo80acjirgwbkJDCLs_FcBIgiizbS2VHCZp5lVeUBUAJsJn-3YLVv0dLsvYJuGpQuxOpTTTVRrcHc6fwzNVIjYdVjJuK4TuFVi0Z1qEzfYn1bYXSxSvi6uzMWwMyLaP13DcI-3jJJrL9tmgZgVo2cqPhuHjIl82lQ0C8AKfEo-EnjPI22HOzqpWh6t__7mkk8Prg1b243c8BhYWkqUNlr7rQ1mNraRIECOAYKa01nFLf4NF2WDKXUBsDVgHOE2ek8o04DiPV2kf_F6gQO7mwey9i7o_MJWgXMcq8fOeS4AD9sr-iD5ViD3HkWGWc9yEWv7L1Jx3JkRO2xDnlAsGEhpyOVIk5v-kDvmAaO6L64ezl-1qgEin0n1aIPSbaJba4AQtdDFF0NcWCYqmfvh1dKsbFuxvgbKWS7bjPRrzIaIAmuWC6yg9WlUfoUKIGp7kgkgIQ_eljHHQPN_N_Hspkb4ISn1onkADSS9ZlNQLGyo4mqt75wnNFiREqbQB4TmkqNTgAKwJV1ai12OsluhK7f7Bb-evMG-8zCGJsVYQF7f0yT4MELcZwIpW8qKaMsoe3vbcGS_XPwvbe9y-ci-wVw-ObWyeTjD8ZjcNBLz0OAxrLluNcsKNi2TRGXLSR33F0v-ZSU-XOkisoM8Sck5BH3TVDmEtlO-NGnpQYobExYK_HlHFqQ7biIjPLGI7BJ7IXf5QePUuV44JMqo7hWZ6WM51Njr1CCN5FIjA3Ds11whxrcANvuovzqqS1UT630TSYvYwnyNzWJ5DaRK67VXzzpugr_d-EFpO979EhOQzaXAJuqFL-2qjPYqAAi1_AF00v0EYxWN7daGTUzOHuHAU6vZEr18Syz8JlWXGVB8y-3LD8Iy0l8WOjLwSTJqFgpsBnRfSfxImYCut6CQFf2HOykMNrwYPHbZeYMkDMx4NYimJzOVj6kur-H_3jmSQVc47xGJ_MOS3cqWZzlsYXSEExVbzY1R3ZLKJu1vGQqus4Z5vr36JOC6iXkNUMdB503_Oo9KoFzVHJZsq6L9BeEV-4dDL_FGvvnZ-97AoUGieJGz4504X0FT4DnVmKTcDYs8POmOsJB5jYpC1kniYTSIywtIhHdhtQwAhV5x__eDDzSdIApDYGbNLh08OA3UepWV2d4s_k7WDAIcp0ol6g5Zwz7Eo9Zani4sndhhR7i82PMRuUnreJV-iZlKSvfMrBZ7EMZDB4vt2T9qQb4NkiwmNxlWhnrt65Gp_nt_rtmIFscXtdb7SDXDI_nerPpOlex_MTrY7jYnNfAD70M8VU75hwc0fBEjCAubsSJnPzyCci5-e2AP1cp_jyecrqprOg94ZHoSKTt8iJq0Yw0Bla0GFnGBKmUZLR-ZqS42IX53Z45h0oA0vNjlhcRb_5ND0usooXi7jBLqKVGeF-S6Lt-ttGYnaCAMe_xO9KGrdJgGaEbvqSpUZQQ8NJg9T4G254OtCVCrbGHnpjs2UF0kyFd531vO_JfsdPzCeCc0pHg8D0Pwtnpc0BIaPria8qsMf0H05EusGlz3xLtPqJRCZljPNzj4Bxotq6DD86pOxaFSJqBtBVi2Zq2GrfRzHzEFifKf696DXpce-TVlLBRVWRnK6DlNeFRqK2OQdw7clVt59nh_p1uiRcb-5MZQfQFAcAPBQ-8Iuymj_juVdV4cwFuR9MDvZ64QHm8lJ-ISLUZUc4sqfVOLGX9Dog-e1Dv4HWwrbxQ2whyh_J1_-__pAnw0Qh_12As4f7okQwkYJL55o0glw44KhSzOkZlDZxUixewdVX7svFdkikizif-QpGv6G97fMiaUV0BXaIT0FltVoJgcKCM3M9_9UoyVuLnvHisG_VnsW3z0odcecBCxFgsqIAkJL3Rv33UUup-sHI-oCnCyU-B4cjWS6HdiUd0e1ZXEH4CySIXwE6qDRFoooMru2JsVKljIlmvib2MRcJ-aT9F4ykAALKzvAL2gRw_kfe9j1Pt_p7N4eeb63XlhGOxzMUSBGI6Er_Zdsm4o1ofLF3fGfx36gA-vnf9wW-uZlZX-CKbnh3CpMOEOeEo9Fu_kGWu__pre4HO1OSrS-7Knv9oiYDW74WzcPGAFqGLEtcgUuFOeohBsesSsrXR0qtVXyGrh8lRF9H8y9pOYjxuU5Myk9DAar5YxqzwGSpBeUxwMrCPhMFA2XIS-MJvhUo0_1l-uiy1yUOSg152tDMxlzWzUwI4b9XI3O-5XgDMM-mE7klIBIqH1HaQ2FayN-iE_ghFDe8qs5M5TCkXp_2jT4tADOOVUGLGojGDKLUz-wgFRBcZ50DFJZmqT-bGgV3xqCN40A==","summary":[{"type":"summary_text","text":"**Refactoring probe loop for clarity**\n\n<!-- -->"},{"type":"summary_text","text":"**Designing CtrlWriteTrace helper struct**\n\n<!-- -->"}]},{"id":"rs_0c89dcd879efbf36016a507513d3dc81979e18210b3dc42569","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUHUe_QJN-x1FrWtv9qA7lkJ67iFLUncznG5RyHBV6yYN33nsCdK4c7qYxJ4wvrZmtFOVSpUzV1vbQM0IsiEY7T-93u4WzP8UnUIg3UxpJuDr2sYOqrb2Hq0nV9mw2OogQ8cRzlMMfihHs5J4dtxtMpKMli8oPrfFy5dv7n60FkHAQP0hmlBnwAfBKpDfOsg_qH5lhP27kFNS3i54zUQKRArP2lquqZ2dqWONVPWZ-yXhY1qZww54uma8WzhIBys_lQaVWlB_ZiCdrWubUP8FLkwk8kbBKXfiVrzTXaBwlMgB0xZAvADs7GzFft_dQVRyQHCTI_Wujb5vaLeOAxUjff11N2HRnBQQcO6pRDCGAiRw7ZKRnsawafn8zFHnds40XDz7jYNuc-rR0YPdm2nYQ1VxQCygJeaURBD2cEvlMDSLY0ppdceLkd_CDP_Bu2QtViAJyiY8CBUy85WAJhp96txBl_nxycbE5QDqPDqIC1sGtjADEvEh-fqQUXVRztXRCdx15GUIvLQ--bPX-DSuuFH5uPKw8IdBfPD8Pfl3B71Y6DLvhuDoqVurOObh7dL-Du8NfT7Uq32n5BO8XwBd8J7bpx-rnPoBEu8EwfrBjBRTS1Rj59eh-EvVu3AHeJUwzVL5njuYWyIwL1G_Q9Pn7JAB_xb__jddgCtNnnhU_lmyM6xDHZ3451IqniVaYV6wwMZFpi8FuC1EiWUYkxLadcBRDPEnzn7sZQYUZfUXjZcA69RlUKsx7fBslY1BA8gEh7jdG9w3SiGpM0ol1QHzKjXVOZ_szSeTqiBy7wBhsTZxVOy5rUm5W9q_gfBedJzHmTu4q2lkkX3PQZka4pae0hLoc_AMhoeYIvl5WIsHWwlsMUQ76bCEzfMi_dO9jp7MlKRKbWu9WP4yClDJ4LexRBh5NRV-3wPumFKR8gPKLOZFPnkWRyKKSEjjeBre3yD5ZQpSuYGkIoA3pEiWCcOCMM9qs1B950YuBkyO4l4EbREr6iF6Ry3AIGdSiys8MDsdvFZZNlWwCu34d7GyMEU-5DhhNzY1-IUwoHgmNMKvmMSm6VPnkor5tO2S9e8MtSjk-0Peqg3jsrCEI9RpO-ckVy6XAcAh2KKmZArynuKbaBoBU7HBGmMfL1i2Qe5W6deriJ9SxLrg5Okwul1FUq4hSKr-V1Hy0_75BgMf4CvPAXCF4t9qGoDjk82e-uaV5guB3w-CzowQGaO_aguaK6nV42LtzYJ6OK_rpoSO97X4d6sRPvpiMAcAA8uX07R6j9t2Cahi-2Af2cM2UK83vVH8EpSSpv52dODNjfZhP9Xo4-thE1PunY8fNMWSrRACgIjAPFBO5vMGQwMI8P69qKpOxOGan3Q1rlbhT-D1BhuRnoG-DOWhhcrU-xKbacI63Xpkjv7Qr9qS4qr7LgkXGH0vgZZRgxN7zD6vntPd-JmQ4scVFyzTaCD-7TAddanifKZtS567wo21tZX810s4w6VwJ1TX-isvCU1ACN1D-WPbGqB1dEx-h7xGOW_8sIAHs3RuH-yUx6bN6y6lHGcl84_TLdhW1CuBwhlmb9nmxbN7btuBszzyOQuSbWsU1kpawtxCZ2KUj_rqcOb-j4JPiCBKdIycz-7f13jci4UJfcPFxFb0ee8QkZm_UFTkXjgLq9C1z6y6Q772_4Tdj2tEet6hHIn12xePFUqGszPW2rTf1n8OZemhNbsLvpNN3VhP_0_SG_UbtpOUY8vt-nTu0UaD1lBSP1GjnEk7xdgHUyrehpTgFVhJMPnDcZ5kDU1_yaYxElr2120ykP4uUMZuTShe_Ol5xoNNTz_cuVubTjgnvxqMv4GDrDy3VM6qrl9oRsRs1w5K4ZFGueTy2imTw3N6LiUBukSMTXEm5iQY9d66BHD9n2xnyRWwJIRau-SNLkQQzw-Q_Qt4MpMcJ23RVfvGnju8nGx8lOvgHLaCYKjG5MN6tg3POIjC5ku86hJilGWC75cNcUtEpz5xBdueiY23OxuCGT_PxjsbDwq3N6SLuGW0flXHrQu1mNcyk4Prs3ebDG9R6-q-_YEip1Z3MLg71-rTbw7ByiVkcs6FskMGKOGRvPp15Y6mI5Jq-abOO3KpJ0l2yDk2Fre8lUC1c6BUVzee34fmyo_focLLLnPlGAWbyu13CkaH4NA9wt7OywafRbv6hgtwV4dIeIhsnfTXnt5fWDtD42ARXSzawUredAo6PEn_ZR9xzLw3PJgH6teojbMyp_1hEOW7QR8cIwLGZHbJ7x0qmbe4rFErAUj23qzby60_WNzGBMJmSu3J1kh0Wh6jDdyOFK3Pq9YBxFW5XE0Q_1eY9OWnbaiLc6rFSgrJvP_WIsD1rh9KFeOudm_ZetQ2w00qFAEWpZl2MPbonlE6FuuJuOijQ6kY8AjO7DvXxWx4k7emGCttfewxQopCNiZIfWwZENPX83B9TODKB-QGTKTljC7rphkQSWdp_0BMILnAybNVp0OkZwDjSMU11i1LCxH6Tadu35vLxS_8vI115_UKH56rZHQbmgYdIYfRYjLZlj353I7FP6HdOdBVeThyFKniqsQutuhX4xTFMabVscxtg1cAB8IYAsWCpzuF44L73LFDUhbQI2rT_rTnc2MDOiTLTnvqRfydi8m-eDQiy4rTkydtpFaJNGvEL32JqhFSs54pHE6ff_RJTnBfj7ns16xpGtXbq8g0RuucLYjGRbM-aBt5bf42CIePurqmgRmKYndIQLqDrp68Dw8ZU7wzdQnDmQeFAN4gLBVvuphweruoEenK5pAc3gUHgKI-54sACLfOigD_VCHfhEk6CScvxGVgeTKNY5N5PjI1EYoCrpsv1igCnKCO-JV1W-EG-yuyIrCwyvGXHIPH5ZJVcUUzD0_Ufgmc_v_JoY17O5e5WIZiQmbWdp88YhdB8aHI0ymAXdLag0ibrqKaz42sByw4Gv81sw7ahD0ZwyyDp69T2-SiTaWDWMO676loX1FZRBuySCemcIJrS_sS0yVt7870SP92CYb64Fl0e3CvDKWYT6fPHSGwYQRul8donZbI_-tKDkOeNUahl6yjRkIF9Hmz_5teaeWkIR3giI_R98SdoZ-MbOpmJzvW7lMcPdR6cOgTu8MINzqVFtFUvFaithxHaRnh_CclEqIdMyPaSdNkt5s6NZAnIwB4TLBITo4JTqrT2j00vva9Mlb2iG8XLM6sg0fDvkphuYwvdDBAzwJQ2PNBhUBScQv0vXCbsDa_s8ZbvNPk2YSG_XZSYDlg6gbUI2T_Yt7oDdqfp9AT_vDOaabmSxXyqzs672QiSGZI4K9u3f3uS1QFAk5o7yyyRkaiRYOURJ5LEATYoCR8qur9Lbuv8qxPMc3hV3Adeggkd-Uotm29zU8mPjpEIDeWlGFn1XJcZ8uvq0cgw97GOVyNjXAPVUOmZCUgWG9suNJs88Gp7IFy9QLeEo_VP8SbuVPAe5pbl58hBTWEs2lk0HpPR97GNl_6VpwC-CyLuO11nnVyWm0zI26ZTlOeSn_kucrrfdP-VhuvPKPJRdrCtiTLX9xQ8vvwbQn62_L4XCfGy_ZNe-F6SZUUhP7ARwrPWcxXoeWii3V6x2f7Fn7Wdr_ivHVxPKIS4ioAFnGUbnqe9wC6YWyCOyDlPLIPdrXp1NBzm6A9R09DNu219vHJDhZ6JKfpvGRJTTlWZu1oOQoAG43VSBt4a99OoX13YvZfhFeEk9P9zimMPMz6Cl8V0fVDPw==","summary":[{"type":"summary_text","text":"**Clarifying lock timing and states**\n\n<!-- -->"},{"type":"summary_text","text":"**Refactoring lock write timing and trace handling**\n\n<!-- -->"}]},{"id":"rs_0c89dcd879efbf36016a50751e52688197a9587c1b68f2b702","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUHUo0gRpTbWJCLlFf_CPyimfvlB5CtANeHAwLc2H67hHWeSYCMrnNjdSBrkNR6rNrATEGEVWZsGWdlJppWFPOQyRvE4IjHUVrtm6DRE35qwJgCeSocbstGeRGWlNbmbUQgBbzQmBfADJV2C7mYJeQ12WLsCWsH_HhMU70fbzIneRwy9Mh3TP8JBcN_nN2h0ffA1eozMauOORUihrUEMXseD8-8L7fyDROCqsXwpIacBzzwwJsPQnlw21Zsf2FpsE4BSocb59WDsuHWffADrrxHO6kOiHB9N8plrEC1Ku10hRDAb1FBYvVi5tY3OpLaBKTLVoNswyj_ibgjJFPhV9L6CWt1vFJSzygH52ZlOwbAPny8KgNJaqI_TFv6_cHa7UULEiwiHetTXDYYndwEkghTK_f7-6RZlibk0NCBTeYhKr62r18ms0daX-rKBW3d4-zEXfa3e3IEpRQvrzM5rWzQ56Pa7hNHXJrPoYc2Rl5XpAodRavbrv6-g4x7cgtANxghGgxCTEdpkS_JdpSFCAMOSq_hqRkSfoedPsczkF5I31F1PI91NgWQ2rnQS8WBWJeSMuLAfYSOZO64c7CDJQLi_2C-4hVQXScrk5flBbezFWlxtvmg6hLYKPLtu5fkLQppJ7s_KHIvEqdr6C-kBM0wW4AJRRWd6845kdvL11sNoHcksxSqdA0ZQiuQwUzyFVReT_ObaK3ina-gun4nbeZYnEhF-jWOnhNyJFabdIPfIjeHCf82DeSEn_GEHlDEK9UMv9_bSKaqWHeJ9cbXM_vQTOHa6NPgRMjkXgHxLbia5OmBNyAh12jifMul_VvI2yJ44O4FIAg5vSdj_3dsIv30yXV0ougorXhIYX8avoYjmPmwBxjzYxfgJ6UlWM5uywI5H5S3e-KkMtpe5F3usAEK0iMX9x1pxiFwlLcbqA-GlH8pDx9pJKwnmzwZYvpjbJfcSoYJhVeNZuNT43lEqR7BmtnGtL4oOTkGylZxw3-S1FusOPBo-np-6iidTVrtz5qD2ZQZxk36-SMx-DGDJSRNfWKSmYW22q_T9FbIIxcYXRvYVT9ve-ICJexHe1p_UevDed-0rith0AyanXjJ0aQ6x8IlgoalvcWoDDDL2tsyW7BNbMvAmpbI_iZX0I6GPrSmwJ4z3gY9-hzCRI9-sNTfTGG3Js33fi4ZPu7KXxveqOPKalKvmAuz2zM88K0rkoO9ds-tP5IRGyotAk-9T_Bq9rg_Yr1KuQa7nZ9XnWG8fHf3txRphmX_qiqHDMHJcaxI5CpsfmMIvgm5hMUB3XDAfJA6ZPYZWRCat5xh-YboxyBH80KsOVG_sLsLchVTo7Q7LQqNGzl1dyFQv2tTTVNPy4_mz2hgRF60cA2ecuwfUak5Ae4p8rRlFa_xn2Mnd4FxGvX-c9Utnn4HuzQEC9tW5mBwdlv5DMkN40EJF9qYAulkJnjbdVbnlGLrRdO6XqekP88LjOaqm_SYHdbOBT61FwKeJ3qkyuafJGA1OxO7sLOMzZx_e9dW6DTYI3zNbJdlWDunzQvDVgDHJNQ1UaDoz8uxGvZFPiaE0ZTC_MkiDwvCqjxKsu006yv1d6tVh105MxdoWb1KjDSKtwAfktB88fonNOO7XQVeTw1RAIwHIzGD_FOTQTi5sdYwDoH_c_sAd7qZkkjvB5rfmlMp-5Q3lgcukgTj_JjcI_CKb91JnKQ7Oixt-Lf4tSKLCsga-81E1NHlSquqWGytWUXS11F_WrHBPE-Wnr-8wstfjUrYJTxF9JM133diM-dUbYW-ep6MDg1PXHK_aW5mZgpxq3aPmjzijHiS9peR0-h5_6uPc3Kdm_WHrthVq634j5rkGIMwrKFm1-CWgkAuHN10DIicv1Scy5d8h66HCaXPCxAVO86oKX1cbwMVLEQQtrLnYiZkwHGK8XlMiXgtuyCq5vH5ZgyitqUvx87z-r5_6Q-m5sS_FpTq1fGwgN4mzqMJBfNx7hCg-OA2kC_6gTaH0VjS3hiARMoSb37DRQgwdo99CUmfNtbVxIESxGXyRvUMXStTjJ_EAKLUzDqDo_6suOCC4ZyC9NFIwTcvevdvF_vQxym8HdDwYyE3C0UPt8viq40LUrqxRcjpZfO54QzGSE4NsBklKtjtwhY6_TlqOeOeIR19kUmHrvnpPlosVU78_QYSjGo9da9V9d87ywAMP3WhL1sKj8ELCTzH72QSH9em8HuzhxTrNgoVPYen07oJT4wZ5pCfmbMzYwgbbHLBvPLNfb_9Q3yjsclnD2Q8d3L2ePZszULkfQPDltCjsnrMfOY3B5FMnAxQVBJ_zh1IDTTpc2r7mbWO0MROQ3p9D3gJnCvKmmemXIoYSZjBVucILxAHCrVM0EP5V3hGjtPrs02Ll0RQrw1zJXTy_2gXkgOZKCHNfzbtW6eUgq_woiCSNZClXshygFZnGwI-lEeaPJEFRnmT9e4dJMJKggdw970Z5FjYrhCnwjDG9uP1jTi79nVgA6P6L1eKzylkSpvOVTbBAhYr4nLLMUZHn743trT1CySlBHMy8bCt4f5GgwxC_Eefve_axZxMyEWWNXCBKcrjvjKkLc7EkS3la0K-_rdVJUuN2rHqfHLqcLzUVTYxa0Fzo_KfD0n0G-PAIeq9NPzueZpHn-dC2MIKjEpGag-K9ccHkOWDWw2wZZgdtYXmBJEVer6_T_mSKF-ht_XjKV24MKVf4EWF6sAwx2dVLt5KVJp_uRbE40t9f29PZI8gTSA_y4LuIeiLILgwR_24UgM0USnY1EIEZb_xO-gienpRw5Sygub_i8svUrTT0y4DdRlL7IaiobK2rm-Q6-UcQtq8mQ5XNR74lNUtiYt4Q5fL9M4MqSCiatCA0Pw18bgX3zlmBvT0BcTzMxO6OirEhjFrHqR5OxdbRX8hyOGp3yxhNBN5rScCyvC5ePvXiOlp97mdi1GWt83DntqBco-OzkYTm5heAn2S8hRCgaulQXDYsFDpH1ovOU6U6qxts9NiBiP8mZp69-J01jmfI5cIMA5jWo_2VtEhEI3TW8ER_kCDGPXmsmBqk3hiVwUePqDPlFP3Wxy5YVTLjC9a6_L-w_1DnsPppSsP5lZ2Y7aqILpMRFwqlfdmWnmk0fXyX04CbIakeylqHcWOoQ5nTK71Az_hOGvsBSgXgqKR6b30gb_V16R30zDnneYLr7F6JvHEIyxL_4YszgViV0M5lnxNuwrTwUlgyCOA7YiMS3btvz0fpkADNTastmD4SSXHyIHJwD6n6NO6BLoiYz0lfsg4ji8uZQHe301t_8_-WBAAi31X8qt8gJEQ8Ahsy6u7Sv4hEwr2A8bjxWsc236HUs49BBtHI5MxZlIbEzNDM2CvDsP71CB6gUkFWWc4rEGz6oaShqM9ryFDLd-w4rxCIuBhWL909xelKMQDzM6b9kKjRSOdDV0kPWur4PliXPybkm7xyri7nKRuszI6T9o0g3fbUm5tSGzWZOkB2VlYIGOEt1carf8ek243wfmD6QFtNCevzMT225hzt40Tqi5Uo_MXuqVayUkwSBzRZM6ZrWddHGOHHLmRSw22sNoAgkG1wL2NmV-yeAelWTNMY5igxnN9yT4UWusMPFbXWPQCd4SE-pEl0dsQ6zDvririoXJWk0YAdF8rLac60DNuYF9oGivrhF0tn4SKdxdx7mntWAyVlOUc4den-wvqbu5q_j-yLcx33C0sfDACwAsLtb7gq1YoR5ZBrw8sZfdvhwRwIyPeL-DMm4q1PV-2fiTpGpgCkYnWKdwqLRT5wk19305Q1zhqTaQ35Vlt7DZv5RD0E47_MvicGomWA=","summary":[{"type":"summary_text","text":"**Defining constructor parameters and control label handling**\n\n<!-- -->"},{"type":"summary_text","text":"**Refining write timing and wait capture logic**\n\n<!-- -->"}]},{"id":"rs_0c89dcd879efbf36016a5075280b4c8197a62ef4afdab6538b","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUHUqFhOgDqdDemAjPquHG76u88VXFHL-mKOBHPnz-1g84u70V0fNsZq9QefLVO98xZRfEmyqoRU6kJo_Oz2-ntgOpVbAyNDzLyotvgIS5dZb8hulB9MyibeuWgj-9cxCnb8epQHC8yta2J055naFkIbFQx3uJOgUEl45WvIyQiJCtB3kXkq87bc_UMlOsibFVxIXhREnOUDxffizS74K7mh-rkZaNDApjk_O3-u7UeWWL80Iiw-Uol0VKXS0NWYDdJY3RWqJRxEE0AO85SIABQ4Hlk558LzK_3QeMAjcqlt85_9u_chg6LJqwIIn2ybfCAsl1seOEktTW5kS5p8TX0Ri-Ywb-IZmMV1_qXvLkzyGAhTB56bUQ60HeD66YOQ5OCnT98A6UyIyNKAHE8_HZtOs52yn4n2r0YWjxJt4uHnQ8hvbl2x8PVhsP5oe6uU2o9BgItwtZ8_USsAcgFYqjZIVIoC5t1MFMOzhXQ7CS6J4La3PS9Enrd343zl2smB3mfQCpBG5cCeqRHnqe21MyBTxYf8RC7zEky_0TlLYiVNIWVfD_12Q2MV4H0YJmYMNEPe2wTkyviok4Wz1AlqqH9A1maTNyOIh9uMK4UtRgNjLSM6ZpsvhB1gVX02zH8ryIiqo1NfVBehpN1jlKz0okif8hCzD3ai3dE5Dx606-DRCrUMJSzJxRwavIL6AW3f8rrxyfJhyHeMDp9Q_Xk-uCYFj1dnaRmfEYZhF9QsPC9_6DPof4vbh4_7vmBPYIkLXREAaubxQ4WrPVj5LqhdSyoti4LZYeNshrUigOUZE5LQM8G7R6ilBQEeDwZxyFrpjFaAyB8si08iV9R8H3VITMPn-3o5M97CYfYfSgp6eaH8VsmD3OAOHK95bAxP0QHkfVUqYU1-sTwYPE8jj8jQ0mFXN8qeNwIb7_PQ5r3OlC8MggOWZe_yotxg0cyBQ0wfCfNSA0QkYVp4NX0COH1SrKr2hkQGZpv9o3W2G1fer6hgHcsQxa0IsuYo9U4rk-W8Ug4qNciXmsCmbXdDplGkcRPm9VpKvd5u9fKSs9y_GQxCTBeosfneG0LMKsvP4VwlL-fVaXPHl_grthKc_UiTkT2aACo_gfidLAlB_IH3Rk-1dIadPF_nS1DbUxKHW9F0-Blx2sAJ_lpFsLCLvtrlhuay0C-IV1Zrtt1GXlLDYLcVG1rhI1uOoL_KmicHj5L_KdCaoZR8ojxXU4M5ZvZKdTsg0j2dr6G8-EyhKr613kHkoTRW8MWGyvYU698OcSXFHGVcFla-XrZsbUFMuUe2rr5VLa-JpOO-5xijxCe9Pr3B4IoNrbpHKlhgHlTZpYTM-lvWyD6Hxs6-AestIHv8WnrrcW8DIhBn7qbNEbC0KjLZB7vkPfFW23lqR9zo-XQQVYBzYt59XTwRNQsQd3F6hrdmvNqE9Qor-GqsrTuxpTUQqdGZiKqL7GdVwpq7N361nYC9bItkRd7naMNMcMy8tH9Yz9ynM8duMnzpdYWCo0zlUm9ziaSdjgqMPsHvpM7ycX368n7_pXCQOE8f7ISz9AUvwanJTAE1GizKf_Apl1_Zm3hh91Y5l5_faOnTUQ1A0IgJQLn01_rQ539JcAi6LK1vu_Y-FeGHadAN9Yw8MkeFQ3DPt16MUvIKppQqzwqj3C-L4cTz46KTtKOI-PfY9L2F4wCZb5GMoKYmA_RkwOJB2OZC9GI96h6JM_jiJyqEBQHtLH1OO3lSM0CjRFS4FiJo-ue2QbkmrUa5Z7HrAX_3W-Hhh4Z5EwO5d5iY5dLTpAu4mmRJjzDsTHkR6sWO4vHtR5ohUtG3ff83uX7xdicC6BB8=","summary":[{"type":"summary_text","text":"**Identifying connection ID handling locations**\n\n<!-- -->"}]},{"id":"ctc_0c89dcd879efbf36016a50752aa62c8197ab5f17140031fd5d","type":"custom_tool_call","status":"completed","call_id":"call_g9nOmfYXIsJSpxOTomt6Mdma","input":"*** Begin Patch\n[spt-core/crates/spt-daemon/src/broker.rs#1F25]\nSWAP 38.=38:\n+use std::sync::{Arc, LazyLock, Mutex};\nINS.POST 77:\n+\n+/// Observation-only RCA gate for PTY/control write causality. The value is\n+/// sampled once per broker process so the hot paths pay only a cheap static read.\n+static RCA_PTY_TRACE_ENABLED: LazyLock<bool> = LazyLock::new(|| {\n+    matches!(\n+        std::env::var(\"SPT_RCA_PTY_TRACE\"),\n+        Ok(value) if value == \"1\"\n+    )\n+});\n+\n+/// Process-local monotonic origin and correlation-id sources for RCA markers.\n+static RCA_PTY_TRACE_START: LazyLock<Instant> = LazyLock::new(Instant::now);\n+static NEXT_RCA_CONN_ID: AtomicU64 = AtomicU64::new(1);\n+static NEXT_RCA_PROBE_TICKET: AtomicU64 = AtomicU64::new(1);\n+\n+fn rca_pty_trace_enabled() -> bool {\n+    *RCA_PTY_TRACE_ENABLED\n+}\n+\n+fn rca_pty_trace_elapsed_us() -> u128 {\n+    RCA_PTY_TRACE_START.elapsed().as_micros()\n+}\n+\n+/// Per-write trace state. It is allocated only while the RCA gate is enabled;\n+/// the frame is serialized solely to report its wire length, never its payload.\n+struct CtrlWriteTrace {\n+    conn_id: u64,\n+    sid: u64,\n+    epoch: u64,\n+    label: String,\n+    bytes_len: usize,\n+    wait_started: Option<Instant>,\n+    write_started: Option<Instant>,\n+    wait_us: u128,\n+    write_us: u128,\n+}\n+\n+impl CtrlWriteTrace {\n+    fn new(\n+        conn_id: u64,\n+        sid: u64,\n+        epoch: u64,\n+        seq: Option<u64>,\n+        frame: &Envelope,\n+    ) -> Option<Self> {\n+        if !rca_pty_trace_enabled() {\n+            return None;\n+        }\n+        let label = match seq {\n+            Some(seq) => format!(\"seq:{seq}\"),\n+            None => format!(\"control:{}\", frame.kind),\n+        };\n+        let bytes_len = serde_json::to_vec(frame)\n+            .map(|body| body.len() + std::mem::size_of::<u32>())\n+            .unwrap_or(0);\n+        eprintln!(\n+            \"CTRL_WRITE_WAIT: conn_id={conn_id} sid={sid} epoch={epoch} \\\n+             label={label} bytes_len={bytes_len} elapsed_us={}\",\n+            rca_pty_trace_elapsed_us()\n+        );\n+        Some(Self {\n+            conn_id,\n+            sid,\n+            epoch,\n+            label,\n+            bytes_len,\n+            wait_started: None,\n+            write_started: None,\n+            wait_us: 0,\n+            write_us: 0,\n+        })\n+    }\n+\n+    fn begin_wait(&mut self) {\n+        self.wait_started = Some(Instant::now());\n+    }\n+\n+    fn locked(&mut self) {\n+        self.wait_us = self\n+            .wait_started\n+            .take()\n+            .map(|started| started.elapsed().as_micros())\n+            .unwrap_or(0);\n+        eprintln!(\n+            \"CTRL_WRITE_LOCKED: conn_id={} sid={} epoch={} label={} bytes_len={} \\\n+             wait_us={} elapsed_us={}\",\n+            self.conn_id,\n+            self.sid,\n+            self.epoch,\n+            self.label,\n+            self.bytes_len,\n+            self.wait_us,\n+            rca_pty_trace_elapsed_us()\n+        );\n+    }\n+\n+    fn lock_failed(&mut self) {\n+        self.wait_us = self\n+            .wait_started\n+            .take()\n+            .map(|started| started.elapsed().as_micros())\n+            .unwrap_or(0);\n+    }\n+\n+    fn begin_write(&mut self) {\n+        self.write_started = Some(Instant::now());\n+    }\n+\n+    fn finish_write(&mut self) {\n+        self.write_us = self\n+            .write_started\n+            .take()\n+            .map(|started| started.elapsed().as_micros())\n+            .unwrap_or(0);\n+    }\n+\n+    fn done(&self, result: &str) {\n+        eprintln!(\n+            \"CTRL_WRITE_DONE: conn_id={} sid={} epoch={} label={} bytes_len={} \\\n+             wait_us={} write_us={} result={} elapsed_us={}\",\n+            self.conn_id,\n+            self.sid,\n+            self.epoch,\n+            self.label,\n+            self.bytes_len,\n+            self.wait_us,\n+            self.write_us,\n+            result,\n+            rca_pty_trace_elapsed_us()\n+        );\n+    }\n+}\nSWAP 488.=490:\n+struct ControllerSink {\n+    /// Process-local connection correlation id retained with the controller state.\n+    #[allow(dead_code)] // the writer thread owns active logging; the sink owns identity\n+    conn_id: u64,\n+    /// The bounded live-frame queue to the controller's writer thread.\n+    tx: SyncSender<CtrlMsg>,\nSWAP 885.=885:\n+    fn become_controller(\n+        &mut self,\n+        sub: SharedSend,\n+        by: Option<String>,\n+        from_seq: u64,\n+        conn_id: u64,\n+    ) {\nSWAP 917.=919:\n+        let writer = thread::spawn(move || {\n+            controller_writer(\n+                conn_id,\n+                sid,\n+                writer_send,\n+                initial,\n+                rx,\n+                dt,\n+                epoch,\n+                epoch_gate,\n+                writer_blocked,\n+            )\n+        });\nSWAP 920.=922:\n+        self.controller = Some(ControllerSink {\n+            conn_id,\n+            tx,\n+            send: sub,\nSWAP 1108.=1114:\n+    fn resolve_subscribe(\n+        &mut self,\n+        sub: SharedSend,\n+        from_seq: u64,\n+        intent: AttachIntent,\n+        by: Option<String>,\n+        conn_id: u64,\n+    ) -> SubscribeOutcome {\nSWAP 1137.=1137:\n+            self.become_controller(sub, by, from_seq, conn_id);\nSWAP 1145.=1145:\n+            self.become_controller(sub, by, from_seq, conn_id);\nSWAP 1159.=1159:\n+            self.become_controller(sub, by, from_seq, conn_id);\nSWAP 1174.=1174:\n+                self.become_controller(sub, by, from_seq, conn_id);\nSWAP 1417.=1426:\n+fn controller_writer(\n+    conn_id: u64,\n+    sid: u64,\n+    send: SharedSend,\n+    initial: Vec<(u64, Vec<u8>)>,\n+    rx: Receiver<CtrlMsg>,\n+    delivered_through: Arc<AtomicU64>,\n+    epoch: u64,\n+    controller_epoch: Arc<AtomicU64>,\n+    write_blocked_since: Arc<Mutex<Option<Instant>>>,\n+) {\nSWAP 1437.=1465:\n+    for (seq, bytes) in &initial {\n+        let frame = output_envelope(sid, *seq, bytes);\n+        // P1c: a SUPERSEDED writer (a newer `become_controller` bumped the shared\n+        // epoch past ours) must write NOTHING further — otherwise its owned\n+        // initial batch races the new writer on the same socket and reorders the\n+        // seq stream. The gate is read UNDER `send.lock()`, atomically with the\n+        // write: both writers serialize on this one socket mutex, and\n+        // `become_controller` bumps the epoch BEFORE spawning the new writer, so\n+        // whichever superseded writer next holds the lock observes the bump and\n+        // bails before committing — no check-then-block-then-write window. (A\n+        // frame the stale writer committed BEFORE the bump is irreducible at the\n+        // broker; fix #1 removes the contradictory double-take that produced it.)\n+        let mut trace = CtrlWriteTrace::new(conn_id, sid, epoch, Some(*seq), &frame);\n+        mark_blocked(true);\n+        if let Some(trace) = trace.as_mut() {\n+            trace.begin_wait();\n+        }\n+        let ok = match send.lock() {\n+            Ok(mut s) => {\n+                if let Some(trace) = trace.as_mut() {\n+                    trace.locked();\n+                }\n+                if controller_epoch.load(Ordering::Acquire) != epoch {\n+                    mark_blocked(false);\n+                    if let Some(trace) = trace.as_ref() {\n+                        trace.done(\"superseded\");\n+                    }\n+                    return;\n+                }\n+                if let Some(trace) = trace.as_mut() {\n+                    trace.begin_write();\n+                }\n+                let ok = write_frame(&mut *s, &frame).is_ok();\n+                if let Some(trace) = trace.as_mut() {\n+                    trace.finish_write();\n+                }\n+                ok\n+            }\n+            Err(_) => {\n+                if let Some(trace) = trace.as_mut() {\n+                    trace.lock_failed();\n+                }\n+                false\n+            }\n+        };\n+        mark_blocked(false);\n+        if let Some(trace) = trace.as_ref() {\n+            trace.done(if ok { \"ok\" } else { \"error\" });\n+        }\n+        if !ok {\n+            return;\n+        }\n+        advance_delivered(&delivered_through, *seq);\n+    }\nSWAP 1466.=1496:\n+    while let Ok(msg) = rx.recv() {\n+        let (frame, seq) = match &msg {\n+            CtrlMsg::Output(seq, frame) => (frame, Some(*seq)),\n+            CtrlMsg::Control(frame) => (frame, None),\n+        };\n+        // NO epoch gate on the live path (P1c): new output only ever flows to the\n+        // CURRENT controller's channel (the drain clones `self.controller.tx`), so\n+        // a superseded writer's channel holds only its pre-supersede output\n+        // backlog (seq the consumer dedups via snap-above) plus its own TERMINAL\n+        // control frames — notably the `Displaced` kick the displaced controller\n+        // MUST still receive. The loop ends naturally when `tx` drops. Gating\n+        // output here would suppress that `Displaced` (the cv-matrix loud-take\n+        // hang). The reorder hazard is the INITIAL-BATCH replay, gated above.\n+        let mut trace = CtrlWriteTrace::new(conn_id, sid, epoch, seq, frame);\n+        mark_blocked(true);\n+        if let Some(trace) = trace.as_mut() {\n+            trace.begin_wait();\n+        }\n+        let ok = match send.lock() {\n+            Ok(mut s) => {\n+                if let Some(trace) = trace.as_mut() {\n+                    trace.locked();\n+                    trace.begin_write();\n+                }\n+                let ok = write_frame(&mut *s, frame).is_ok();\n+                if let Some(trace) = trace.as_mut() {\n+                    trace.finish_write();\n+                }\n+                ok\n+            }\n+            Err(_) => {\n+                if let Some(trace) = trace.as_mut() {\n+                    trace.lock_failed();\n+                }\n+                false\n+            }\n+        };\n+        mark_blocked(false);\n+        if let Some(trace) = trace.as_ref() {\n+            trace.done(if ok { \"ok\" } else { \"error\" });\n+        }\n+        if !ok {\n+            return;\n+        }\n+        if let Some(seq) = seq {\n+            // (a) CONTIGUOUS cursor (b4 / B2 gapless-resume — doyle's gate): with the\n+            // drop-on-full handoff in `append`, the controller's live channel can SKIP\n+            // a seq (dropped while Full). The frame still went to the socket (the live\n+            // operator sees it), but the durable resume cursor must NOT jump past the\n+            // gap — see [`contiguous_advance`].\n+            contiguous_advance(&delivered_through, seq);\n+        }\n+    }\nSWAP 1571.=1573:\n+/// One record queued to a session's dedicated PTY input-writer thread. Probe\n+/// metadata carries only a monotonic ticket; user/payload bytes are never logged.\n+struct InputRecord {\n+    bytes: Vec<u8>,\n+    probe_ticket: Option<u64>,\n+}\n+\n+#[derive(Clone, Copy)]\n+struct ProbeEnqueue {\n+    ticket: Option<u64>,\n+    accepted: bool,\n+}\nSWAP 1624.=1633:\n+    fn spawn(session: Arc<PtySession>, endpoint: String) -> Arc<InputWriter> {\n+        let (tx, rx) = sync_channel::<InputRecord>(input_queue_depth());\n+        let writer_endpoint = endpoint.clone();\n+        let writer = thread::spawn(move || input_writer(session, rx, writer_endpoint));\n+        Arc::new(InputWriter {\n+            tx,\n+            backpressure: AtomicBool::new(false),\n+            endpoint,\n+            _writer: writer,\n+        })\n+    }\nSWAP 1641.=1660:\n+    fn enqueue(&self, bytes: Vec<u8>) -> bool {\n+        self.enqueue_record(InputRecord {\n+            bytes,\n+            probe_ticket: None,\n+        })\n+    }\n+\n+    /// Enqueue exactly the settle DSR probe with a trace ticket when RCA tracing\n+    /// is enabled. The ordinary path remains the same non-blocking enqueue.\n+    fn enqueue_probe(&self) -> ProbeEnqueue {\n+        if !rca_pty_trace_enabled() {\n+            return ProbeEnqueue {\n+                ticket: None,\n+                accepted: self.enqueue(INJECT_SETTLE_PROBE.to_vec()),\n+            };\n+        }\n+        let ticket = NEXT_RCA_PROBE_TICKET.fetch_add(1, Ordering::Relaxed);\n+        let accepted = self.enqueue_record(InputRecord {\n+            bytes: INJECT_SETTLE_PROBE.to_vec(),\n+            probe_ticket: Some(ticket),\n+        });\n+        eprintln!(\n+            \"PROBE_ENQUEUE: endpoint={} ticket={} accepted={} result={} bytes_len={} \\\n+             elapsed_us={}\",\n+            self.endpoint,\n+            ticket,\n+            accepted,\n+            if accepted { \"accepted\" } else { \"dropped\" },\n+            INJECT_SETTLE_PROBE.len(),\n+            rca_pty_trace_elapsed_us()\n+        );\n+        ProbeEnqueue {\n+            ticket: Some(ticket),\n+            accepted,\n+        }\n+    }\n+\n+    fn enqueue_record(&self, record: InputRecord) -> bool {\n+        match self.tx.try_send(record) {\n+            Ok(()) => {\n+                // Heal: input is flowing again — clear a prior backpressure stamp.\n+                if self.backpressure.swap(false, Ordering::AcqRel) {\n+                    self.stamp_backpressure(false);\n+                }\n+                true\n+            }\n+            Err(TrySendError::Full(_)) => {\n+                // DROP + surface, but stamp only on the rising edge.\n+                if !self.backpressure.swap(true, Ordering::AcqRel) {\n+                    self.stamp_backpressure(true);\n+                }\n+                false\n+            }\n+            // The writer thread is gone (session teardown) — nothing to do.\n+            Err(TrySendError::Disconnected(_)) => false,\n+        }\n+    }\nSWAP 1680.=1684:\n+fn input_writer(session: Arc<PtySession>, rx: Receiver<InputRecord>, endpoint: String) {\n+    while let Ok(record) = rx.recv() {\n+        if let Some(ticket) = record.probe_ticket {\n+            eprintln!(\n+                \"PROBE_WRITE_START: endpoint={endpoint} ticket={ticket} bytes_len={} \\\n+                 elapsed_us={}\",\n+                record.bytes.len(),\n+                rca_pty_trace_elapsed_us()\n+            );\n+            let write_started = Instant::now();\n+            let ok = session.write_input(&record.bytes).is_ok();\n+            eprintln!(\n+                \"PROBE_WRITE_DONE: endpoint={endpoint} ticket={ticket} bytes_len={} \\\n+                 write_us={} result={} elapsed_us={}\",\n+                record.bytes.len(),\n+                write_started.elapsed().as_micros(),\n+                if ok { \"ok\" } else { \"error\" },\n+                rca_pty_trace_elapsed_us()\n+            );\n+        } else {\n+            let _ = session.write_input(&record.bytes);\n+        }\n+    }\n+}\nSWAP 1919.=1937:\n+fn settle_before_inject(input: &InputWriter, log: &Mutex<OutputLog>, endpoint: &str) -> bool {\n+    let baseline = recover_log(log).high_water();\n+    let deadline = Instant::now() + inject_settle_deadline();\n+    loop {\n+        // Probe: a live reader answers DSR / re-renders → the ring advances.\n+        let probe = input.enqueue_probe();\n+        thread::sleep(INJECT_SETTLE_POLL);\n+        let current = recover_log(log).high_water();\n+        if current > baseline {\n+            return true; // output produced since baseline → the input reader is live\n+        }\n+        if Instant::now() >= deadline {\n+            if rca_pty_trace_enabled() {\n+                eprintln!(\n+                    \"INJECT_SETTLE_TIMEOUT:{endpoint}: no PTY readiness echo within {}ms \\\n+                     — proceeding (echo-verify guards head loss); baseline_high_water={} \\\n+                     current_high_water={} last_probe_ticket={} last_probe_accepted={} \\\n+                     elapsed_us={}\",\n+                    inject_settle_deadline().as_millis(),\n+                    baseline,\n+                    current,\n+                    probe.ticket.unwrap_or(0),\n+                    probe.accepted,\n+                    rca_pty_trace_elapsed_us()\n+                );\n+            } else {\n+                eprintln!(\n+                    \"INJECT_SETTLE_TIMEOUT:{endpoint}: no PTY readiness echo within {}ms — proceeding (echo-verify guards head loss)\",\n+                    inject_settle_deadline().as_millis()\n+                );\n+            }\n+            return false;\n+        }\n+    }\n+}\nSWAP 2750.=2752:\n+    fn handle_conn(self: &Arc<Self>, conn: Stream) -> io::Result<()> {\n+        let conn_id = NEXT_RCA_CONN_ID.fetch_add(1, Ordering::Relaxed);\n+        let (mut recv, send) = conn.split();\n+        let send: SharedSend = Arc::new(Mutex::new(send));\nSWAP 2768.=2768:\n+                KIND_SPAWN => match self.dispatch_spawn(env, &send, conn_id) {\nSWAP 2772.=2772:\n+                KIND_SUBSCRIBE => match self.dispatch_subscribe(env, &send, conn_id) {\nSWAP 2970.=2970:\n+    fn dispatch_spawn(\n+        &self,\n+        env: Envelope,\n+        send: &SharedSend,\n+        conn_id: u64,\n+    ) -> Result<u64, String> {\nSWAP 3076.=3078:\n+        log.lock()\n+            .unwrap()\n+            .become_controller(Arc::clone(send), None, 0, conn_id);\nSWAP 3194.=3194:\n+    fn dispatch_subscribe(\n+        &self,\n+        env: Envelope,\n+        send: &SharedSend,\n+        conn_id: u64,\n+    ) -> Result<u64, String> {\nINS.POST 3220:\n+            conn_id,\nSWAP 4532.=4534:\n+        log.controller = Some(ControllerSink {\n+            conn_id: 0,\n+            tx: ctx,\n+            send: csend,\nSWAP 4704.=4706:\n+        while let Ok(record) = rx.recv() {\n+            surface.write_input(&record.bytes).unwrap();\n+        }\nSWAP 5142.=5142:\n+        let drained: Vec<Vec<u8>> =\n+            std::iter::from_fn(|| rx.recv().ok().map(|record| record.bytes)).collect();\nSWAP 5257.=5257:\n+        log.become_controller(Arc::clone(&send), None, 0, 0);\nSWAP 5266.=5266:\n+        log.become_controller(Arc::clone(&send), None, 0, 0);\nSWAP 5325.=5325:\n+        log.become_controller(Arc::clone(&send), None, 0, 0);\nSWAP 5382.=5384:\n+        log.controller = Some(ControllerSink {\n+            conn_id: 0,\n+            tx,\n+            send,\nSWAP 5418.=5420:\n+        log.controller = Some(ControllerSink {\n+            conn_id: 0,\n+            tx,\n+            send,\nSWAP 5455.=5457:\n+        log.controller = Some(ControllerSink {\n+            conn_id: 0,\n+            tx,\n+            send,\nSWAP 5564.=5565:\n+        let outcome = log.resolve_subscribe(\n+            nsend,\n+            0,\n+            AttachIntent::Control,\n+            Some(\"newcomer\".to_string()),\n+            0,\n+        );\n*** End Patch\n","name":"edit"}]},"duration":126403.32800000021,"ttft":1368.5827000001445,"contextSnapshot":{"promptTokens":95738,"nonMessageTokens":26406}}}
{"type":"custom","customType":"tool_execution_start","data":{"toolCallId":"call_g9nOmfYXIsJSpxOTomt6Mdma|ctc_0c89dcd879efbf36016a50752aa62c8197ab5f17140031fd5d","toolName":"edit","startedAt":"2026-07-10T04:30:53.769Z"},"id":"87979f30","parentId":"036ca6d4","timestamp":"2026-07-10T04:30:53.769Z"}
{"type":"message","id":"fee3af14","parentId":"87979f30","timestamp":"2026-07-10T04:30:53.867Z","message":{"role":"toolResult","toolCallId":"call_g9nOmfYXIsJSpxOTomt6Mdma|ctc_0c89dcd879efbf36016a50752aa62c8197ab5f17140031fd5d","toolName":"edit","content":[{"type":"text","text":"[spt-core/crates/spt-daemon/src/broker.rs#3563]\n36:use std::sync::atomic::{AtomicBool, AtomicU32, AtomicU64, Ordering};\n37:use std::sync::mpsc::{channel, sync_channel, Receiver, RecvTimeoutError, Sender, SyncSender, TrySendError};\n38:use std::sync::{Arc, LazyLock, Mutex};\n39:use std::thread::{self, JoinHandle};\n40:use std::time::{Duration, Instant};\n77:pub(crate) type SharedSend = Arc<Mutex<SendHalf>>;\n78:\n79:/// Observation-only RCA gate for PTY/control write causality. The value is\n80:/// sampled once per broker process so the hot paths pay only a cheap static read.\n…\n209:}\n210:\n211:/// Default bounded output-log depth (chunks). Large enough that a brain restart\n212:/// window never evicts unreplayed output in practice; the bound is what keeps a\n619:/// on a single full `try_send` — only after [`CONTROLLER_WRITE_DEADLINE`].\n620:struct ControllerSink {\n621:    /// Process-local connection correlation id retained with the controller state.\n622:    #[allow(dead_code)] // the writer thread owns active logging; the sink owns identity\n623:    conn_id: u64,\n624:    /// The bounded live-frame queue to the controller's writer thread.\n625:    tx: SyncSender<CtrlMsg>,\n\n657:}\n\n1018:    /// [`REQ-HAZARD-CONTROLLER-WRITER-REORDER`]). Stamps `driven_by` to the new\n1019:    /// controller's identity.\n1020:    fn become_controller(\n1021:        &mut self,\n…\n1025:        conn_id: u64,\n1026:    ) {\n1027:        // Drop the prior controller sink first (its writer's live loop ends when\n1028:        // tx drops), and bump the generation so (a) an in-flight deadline-evict\n1057:        let writer_blocked = Arc::clone(&write_blocked_since);\n1058:        let writer = thread::spawn(move || {\n1059:            controller_writer(\n1060:                conn_id,\n…\n1068:                writer_blocked,\n1069:            )\n1070:        });\n1071:        self.controller = Some(ControllerSink {\n1072:            conn_id,\n1073:            tx,\n1074:            send: sub,\n\n1079:        });\n\n1081:    }\n\n1260:    fn resolve_subscribe(\n\n1264:        intent: AttachIntent,\n1265:        by: Option<String>,\n1266:        conn_id: u64,\n1267:    ) -> SubscribeOutcome {\n1268:        if intent == AttachIntent::Viewer {\n\n1278:        }\n\n1288:        if self.controller.is_none() {\n1289:            // Free endpoint → become controller (nothing to displace).\n1290:            self.become_controller(sub, by, from_seq, conn_id);\n1291:            return SubscribeOutcome::Controller;\n1292:        }\n\n1294:        if same_identity {\n\n1296:            // the gate-#7 path: a successor re-taking the slot after a brain\n1297:            // restart NEVER fires Displaced.\n1298:            self.become_controller(sub, by, from_seq, conn_id);\n1299:            return SubscribeOutcome::Controller;\n1300:        }\n\n1308:        if self.controller_by().is_none() {\n\n1310:            // slot) — silent control, no loud displace (there is no remote driver\n1311:            // to notify).\n1312:            self.become_controller(sub, by, from_seq, conn_id);\n1313:            return SubscribeOutcome::Controller;\n1314:        }\n\n1317:            AttachIntent::Take => {\n\n1323:                if let Some(old) = &self.controller {\n\n1325:                    let _ = old.tx.try_send(CtrlMsg::Control(frame));\n1326:                }\n1327:                self.become_controller(sub, by, from_seq, conn_id);\n1328:                SubscribeOutcome::TookControl\n1329:            }\n\n1334:    }\n\n1569:#[allow(clippy::too_many_arguments)] // per-writer thread-handoff channels (W2 added the blocked-since signal); a struct would obscure the call\n1570:fn controller_writer(\n1571:    conn_id: u64,\n1572:    sid: u64,\n1573:    send: SharedSend,\n\n1580:) {\n\n1601:        // frame the stale writer committed BEFORE the bump is irreducible at the\n1602:        // broker; fix #1 removes the contradictory double-take that produced it.)\n1603:        let mut trace = CtrlWriteTrace::new(conn_id, sid, epoch, Some(*seq), &frame);\n1604:        mark_blocked(true);\n1605:        if let Some(trace) = trace.as_mut() {\n1606:            trace.begin_wait();\n1607:        }\n1608:        let ok = match send.lock() {\n1609:            Ok(mut s) => {\n1610:                if let Some(trace) = trace.as_mut() {\n1611:                    trace.locked();\n1612:                }\n1613:                if controller_epoch.load(Ordering::Acquire) != epoch {\n1614:                    mark_blocked(false);\n1615:                    if let Some(trace) = trace.as_ref() {\n1616:                        trace.done(\"superseded\");\n1617:                    }\n1618:                    return;\n1619:                }\n1620:                if let Some(trace) = trace.as_mut() {\n1621:                    trace.begin_write();\n…\n1626:                }\n1627:                ok\n1628:            }\n1629:            Err(_) => {\n1630:                if let Some(trace) = trace.as_mut() {\n…\n1633:                false\n1634:            }\n1635:        };\n1636:        mark_blocked(false);\n1637:        if let Some(trace) = trace.as_ref() {\n1638:            trace.done(if ok { \"ok\" } else { \"error\" });\n1639:        }\n1640:        if !ok {\n1641:            return;\n1642:        }\n\n1656:        // output here would suppress that `Displaced` (the cv-matrix loud-take\n1657:        // hang). The reorder hazard is the INITIAL-BATCH replay, gated above.\n1658:        let mut trace = CtrlWriteTrace::new(conn_id, sid, epoch, seq, frame);\n1659:        mark_blocked(true);\n1660:        if let Some(trace) = trace.as_mut() {\n1661:            trace.begin_wait();\n1662:        }\n1663:        let ok = match send.lock() {\n1664:            Ok(mut s) => {\n1665:                if let Some(trace) = trace.as_mut() {\n…\n1679:                false\n1680:            }\n1681:        };\n1682:        mark_blocked(false);\n1683:        if let Some(trace) = trace.as_ref() {\n1684:            trace.done(if ok { \"ok\" } else { \"error\" });\n1685:        }\n1686:        if !ok {\n1687:            return;\n1688:        }\n\n1698:}\n\n1729:struct HostedSession {\n\n1770:}\n1771:\n1772:/// One record queued to a session's dedicated PTY input-writer thread. Probe\n1773:/// metadata carries only a monotonic ticket; user/payload bytes are never logged.\n…\n1776:    probe_ticket: Option<u64>,\n1777:}\n1778:\n1779:#[derive(Clone, Copy)]\n1780:struct ProbeEnqueue {\n…\n1783:}\n1784:\n1785:/// The per-session PTY input FIFO depth (records). Sized for a generous paste —\n1786:/// a wedged harness fills this and then DROPS, never blocking the dispatch\n1834:    fn spawn(session: Arc<PtySession>, endpoint: String) -> Arc<InputWriter> {\n1835:        let (tx, rx) = sync_channel::<InputRecord>(input_queue_depth());\n1836:        let writer_endpoint = endpoint.clone();\n1837:        let writer = thread::spawn(move || input_writer(session, rx, writer_endpoint));\n1838:        Arc::new(InputWriter {\n1839:            tx,\n\n1843:        })\n1844:    }\n\n1850:    /// thread never blocks here, however stuck the harness is.\n1851:    // [impl->REQ-HAZARD-PTY-INPUT-WRITER-WEDGE]\n1852:    fn enqueue(&self, bytes: Vec<u8>) -> bool {\n1853:        self.enqueue_record(InputRecord {\n…\n1889:    fn enqueue_record(&self, record: InputRecord) -> bool {\n1890:        match self.tx.try_send(record) {\n1891:            Ok(()) => {\n1892:                // Heal: input is flowing again — clear a prior backpressure stamp.\n\n1897:            }\n\n1907:        }\n1908:    }\n\n1926:/// swallowed (the same best-effort the inline callers had). The thread exits\n1927:/// when the last `tx` clone drops at session teardown.\n1928:fn input_writer(session: Arc<PtySession>, rx: Receiver<InputRecord>, endpoint: String) {\n1929:    while let Ok(record) = rx.recv() {\n…\n1948:            let _ = session.write_input(&record.bytes);\n1949:        }\n1950:    }\n1951:}\n2189:    loop {\n2190:        // Probe: a live reader answers DSR / re-renders → the ring advances.\n2191:        let probe = input.enqueue_probe();\n2192:        thread::sleep(INJECT_SETTLE_POLL);\n2193:        let current = recover_log(log).high_water();\n2194:        if current > baseline {\n2195:            return true; // output produced since baseline → the input reader is live\n2196:        }\n2197:        if Instant::now() >= deadline {\n2198:            if rca_pty_trace_enabled() {\n2199:                eprintln!(\n…\n2215:                );\n2216:            }\n2217:            return false;\n2218:        }\n2219:    }\n\n3032:    /// restart must not disturb the hosted children).\n3033:    fn handle_conn(self: &Arc<Self>, conn: Stream) -> io::Result<()> {\n3034:        let conn_id = NEXT_RCA_CONN_ID.fetch_add(1, Ordering::Relaxed);\n3035:        let (mut recv, send) = conn.split();\n3036:        let send: SharedSend = Arc::new(Mutex::new(send));\n\n3046:            let env = match read_frame(&mut recv) {\n\n3050:            };\n3051:            match env.kind.as_str() {\n3052:                KIND_SPAWN => match self.dispatch_spawn(env, &send, conn_id) {\n3053:                    Ok(id) => my_subs.push(id),\n3054:                    Err(msg) => send_error(&send, &msg),\n3055:                },\n3056:                KIND_SUBSCRIBE => match self.dispatch_subscribe(env, &send, conn_id) {\n3057:                    Ok(id) => my_subs.push(id),\n3058:                    Err(msg) => send_error(&send, &msg),\n3059:                },\n\n3223:            }\n\n3245:    }\n\n3252:    /// another owner's delivery nor the broker's control dispatch).\n3253:    // [impl->REQ-HAZARD-DAEMON-SCHED-NONBLOCKING]\n3254:    fn dispatch_spawn(\n3255:        &self,\n…\n3258:        conn_id: u64,\n3259:    ) -> Result<u64, String> {\n3260:        let req: SpawnReq =\n3261:            serde_json::from_value(env.payload).map_err(|e| format!(\"bad spawn payload: {e}\"))?;\n3365:        log.lock()\n3366:            .unwrap()\n3367:            .become_controller(Arc::clone(send), None, 0, conn_id);\n3368:\n3369:        // Output drain → append under the log lock (fast: ring + viewer fan-out),\n\n3473:    }\n\n3481:    /// same-`by` re-subscribe silently re-takes the controller — the gate-#7\n3482:    /// self-kick guard.\n3483:    fn dispatch_subscribe(\n3484:        &self,\n…\n3487:        conn_id: u64,\n3488:    ) -> Result<u64, String> {\n3489:        let req: SubscribeReq = serde_json::from_value(env.payload)\n3490:            .map_err(|e| format!(\"bad subscribe payload: {e}\"))?;\n\n3510:        let outcome = recover_log(&log).resolve_subscribe(\n\n3513:            req.intent,\n3514:            req.by,\n3515:            conn_id,\n3516:        );\n3517:        send_frame(send, &subscribed_envelope(req.session_id, outcome));\n\n3519:    }\n\n4826:        let (ctx, _crx) = sync_channel::<CtrlMsg>(2);\n4827:        log.controller = Some(ControllerSink {\n4828:            conn_id: 0,\n4829:            tx: ctx,\n4830:            send: csend,\n\n4835:        });\n\n4998:        // writer exactly as `input_writer` does.\n4999:        drop(w);\n5000:        while let Ok(record) = rx.recv() {\n5001:            surface.write_input(&record.bytes).unwrap();\n5002:        }\n5003:\n5436:        // calls (a re-driven keystroke must not double-type into the paste).\n5437:        drop(w);\n5438:        let drained: Vec<Vec<u8>> =\n5439:            std::iter::from_fn(|| rx.recv().ok().map(|record| record.bytes)).collect();\n5440:        assert_eq!(\n5441:            drained,\n\n5446:        );\n\n5552:\n5553:        // writer-A: registers at next_seq-1 = 1 → initial = [repaint@1].\n5554:        log.become_controller(Arc::clone(&send), None, 0, 0);\n5555:        // A further chunk advances the grid to a NEW current screen (seq 2). The\n5556:        // handoff to A's (pinned) channel is buffered; A never gets to write it.\n5561:        // writer-B: registers at next_seq-1 = 2 → initial = [repaint@2]. Bumps the\n5562:        // epoch; writer-A is superseded. Both writers park on the pinned socket.\n5563:        log.become_controller(Arc::clone(&send), None, 0, 0);\n5564:\n5565:        // Release the socket: the writers race for the mutex. The in-lock gate makes\n5620:\n5621:        // Cold controller attach from seq 0.\n5622:        log.become_controller(Arc::clone(&send), None, 0, 0);\n5623:\n5624:        // The initial batch is ONE output frame carrying the synthesized repaint.\n5678:        assert!(writer.is_finished(), \"precondition: the writer thread has exited\");\n5679:        log.controller = Some(ControllerSink {\n5680:            conn_id: 0,\n5681:            tx,\n5682:            send,\n\n5687:        });\n\n5713:        let writer = thread::spawn(move || {\n\n5715:        });\n5716:        log.controller = Some(ControllerSink {\n5717:            conn_id: 0,\n5718:            tx,\n5719:            send,\n\n5724:        });\n\n5751:        let writer = thread::spawn(move || {\n\n5753:        });\n5754:        log.controller = Some(ControllerSink {\n5755:            conn_id: 0,\n5756:            tx,\n5757:            send,\n\n5762:        });\n\n5862:\n5863:        let (nsend, _nc, _nr) = controller_socket_pair();\n5864:        let outcome = log.resolve_subscribe(\n5865:            nsend,\n…\n5869:            0,\n5870:        );\n5871:\n5872:        assert_eq!(\n\n5876:        );"}],"details":{"diff":" 36|use std::sync::atomic::{AtomicBool, AtomicU32, AtomicU64, Ordering};\n 37|use std::sync::mpsc::{channel, sync_channel, Receiver, RecvTimeoutError, Sender, SyncSender, TrySendError};\n-38|use std::sync::{Arc, Mutex};\n+38|use std::sync::{Arc, LazyLock, Mutex};\n 39|use std::thread::{self, JoinHandle};\n 40|use std::time::{Duration, Instant};\n 77|pub(crate) type SharedSend = Arc<Mutex<SendHalf>>;\n 78|\n+79|/// Observation-only RCA gate for PTY/control write causality. The value is\n+80|/// sampled once per broker process so the hot paths pay only a cheap static read.\n+81|static RCA_PTY_TRACE_ENABLED: LazyLock<bool> = LazyLock::new(|| {\n+82|    matches!(\n+83|        std::env::var(\"SPT_RCA_PTY_TRACE\"),\n+84|        Ok(value) if value == \"1\"\n+85|    )\n+86|});\n+87|\n+88|/// Process-local monotonic origin and correlation-id sources for RCA markers.\n+89|static RCA_PTY_TRACE_START: LazyLock<Instant> = LazyLock::new(Instant::now);\n+90|static NEXT_RCA_CONN_ID: AtomicU64 = AtomicU64::new(1);\n+91|static NEXT_RCA_PROBE_TICKET: AtomicU64 = AtomicU64::new(1);\n+92|\n+93|fn rca_pty_trace_enabled() -> bool {\n+94|    *RCA_PTY_TRACE_ENABLED\n+95|}\n+96|\n+97|fn rca_pty_trace_elapsed_us() -> u128 {\n+98|    RCA_PTY_TRACE_START.elapsed().as_micros()\n+99|}\n+100|\n+101|/// Per-write trace state. It is allocated only while the RCA gate is enabled;\n+102|/// the frame is serialized solely to report its wire length, never its payload.\n+103|struct CtrlWriteTrace {\n+104|    conn_id: u64,\n+105|    sid: u64,\n+106|    epoch: u64,\n+107|    label: String,\n+108|    bytes_len: usize,\n+109|    wait_started: Option<Instant>,\n+110|    write_started: Option<Instant>,\n+111|    wait_us: u128,\n+112|    write_us: u128,\n+113|}\n+114|\n+115|impl CtrlWriteTrace {\n+116|    fn new(\n+117|        conn_id: u64,\n+118|        sid: u64,\n+119|        epoch: u64,\n+120|        seq: Option<u64>,\n+121|        frame: &Envelope,\n+122|    ) -> Option<Self> {\n+123|        if !rca_pty_trace_enabled() {\n+124|            return None;\n+125|        }\n+126|        let label = match seq {\n+127|            Some(seq) => format!(\"seq:{seq}\"),\n+128|            None => format!(\"control:{}\", frame.kind),\n+129|        };\n+130|        let bytes_len = serde_json::to_vec(frame)\n+131|            .map(|body| body.len() + std::mem::size_of::<u32>())\n+132|            .unwrap_or(0);\n+133|        eprintln!(\n+134|            \"CTRL_WRITE_WAIT: conn_id={conn_id} sid={sid} epoch={epoch} \\\n+135|             label={label} bytes_len={bytes_len} elapsed_us={}\",\n+136|            rca_pty_trace_elapsed_us()\n+137|        );\n+138|        Some(Self {\n+139|            conn_id,\n+140|            sid,\n+141|            epoch,\n+142|            label,\n+143|            bytes_len,\n+144|            wait_started: None,\n+145|            write_started: None,\n+146|            wait_us: 0,\n+147|            write_us: 0,\n+148|        })\n+149|    }\n+150|\n+151|    fn begin_wait(&mut self) {\n+152|        self.wait_started = Some(Instant::now());\n+153|    }\n+154|\n+155|    fn locked(&mut self) {\n+156|        self.wait_us = self\n+157|            .wait_started\n+158|            .take()\n+159|            .map(|started| started.elapsed().as_micros())\n+160|            .unwrap_or(0);\n+161|        eprintln!(\n+162|            \"CTRL_WRITE_LOCKED: conn_id={} sid={} epoch={} label={} bytes_len={} \\\n+163|             wait_us={} elapsed_us={}\",\n+164|            self.conn_id,\n+165|            self.sid,\n+166|            self.epoch,\n+167|            self.label,\n+168|            self.bytes_len,\n+169|            self.wait_us,\n+170|            rca_pty_trace_elapsed_us()\n+171|        );\n+172|    }\n+173|\n+174|    fn lock_failed(&mut self) {\n+175|        self.wait_us = self\n+176|            .wait_started\n+177|            .take()\n+178|            .map(|started| started.elapsed().as_micros())\n+179|            .unwrap_or(0);\n+180|    }\n+181|\n+182|    fn begin_write(&mut self) {\n+183|        self.write_started = Some(Instant::now());\n+184|    }\n+185|\n+186|    fn finish_write(&mut self) {\n+187|        self.write_us = self\n+188|            .write_started\n+189|            .take()\n+190|            .map(|started| started.elapsed().as_micros())\n+191|            .unwrap_or(0);\n+192|    }\n+193|\n+194|    fn done(&self, result: &str) {\n+195|        eprintln!(\n+196|            \"CTRL_WRITE_DONE: conn_id={} sid={} epoch={} label={} bytes_len={} \\\n+197|             wait_us={} write_us={} result={} elapsed_us={}\",\n+198|            self.conn_id,\n+199|            self.sid,\n+200|            self.epoch,\n+201|            self.label,\n+202|            self.bytes_len,\n+203|            self.wait_us,\n+204|            self.write_us,\n+205|            result,\n+206|            rca_pty_trace_elapsed_us()\n+207|        );\n+208|    }\n+209|}\n+210|\n 79|/// Default bounded output-log depth (chunks). Large enough that a brain restart\n 80|/// window never evicts unreplayed output in practice; the bound is what keeps a\n 487|/// on a single full `try_send` — only after [`CONTROLLER_WRITE_DEADLINE`].\n 488|struct ControllerSink {\n+621|    /// Process-local connection correlation id retained with the controller state.\n+622|    #[allow(dead_code)] // the writer thread owns active logging; the sink owns identity\n+623|    conn_id: u64,\n 489|    /// The bounded live-frame queue to the controller's writer thread.\n 490|    tx: SyncSender<CtrlMsg>,\n\n 522|}\n\n 883|    /// [`REQ-HAZARD-CONTROLLER-WRITER-REORDER`]). Stamps `driven_by` to the new\n 884|    /// controller's identity.\n-885|    fn become_controller(&mut self, sub: SharedSend, by: Option<String>, from_seq: u64) {\n+1020|    fn become_controller(\n+1021|        &mut self,\n+1022|        sub: SharedSend,\n+1023|        by: Option<String>,\n+1024|        from_seq: u64,\n+1025|        conn_id: u64,\n+1026|    ) {\n 886|        // Drop the prior controller sink first (its writer's live loop ends when\n 887|        // tx drops), and bump the generation so (a) an in-flight deadline-evict\n 916|        let writer_blocked = Arc::clone(&write_blocked_since);\n 917|        let writer = thread::spawn(move || {\n-918|            controller_writer(sid, writer_send, initial, rx, dt, epoch, epoch_gate, writer_blocked)\n+1059|            controller_writer(\n+1060|                conn_id,\n+1061|                sid,\n+1062|                writer_send,\n+1063|                initial,\n+1064|                rx,\n+1065|                dt,\n+1066|                epoch,\n+1067|                epoch_gate,\n+1068|                writer_blocked,\n+1069|            )\n 919|        });\n 920|        self.controller = Some(ControllerSink {\n+1072|            conn_id,\n 921|            tx,\n 922|            send: sub,\n\n 927|        });\n\n 929|    }\n\n 1108|    fn resolve_subscribe(\n\n 1112|        intent: AttachIntent,\n 1113|        by: Option<String>,\n+1266|        conn_id: u64,\n 1114|    ) -> SubscribeOutcome {\n 1115|        if intent == AttachIntent::Viewer {\n\n 1125|        }\n\n 1135|        if self.controller.is_none() {\n 1136|            // Free endpoint → become controller (nothing to displace).\n-1137|            self.become_controller(sub, by, from_seq);\n+1290|            self.become_controller(sub, by, from_seq, conn_id);\n 1138|            return SubscribeOutcome::Controller;\n 1139|        }\n\n 1141|        if same_identity {\n\n 1143|            // the gate-#7 path: a successor re-taking the slot after a brain\n 1144|            // restart NEVER fires Displaced.\n-1145|            self.become_controller(sub, by, from_seq);\n+1298|            self.become_controller(sub, by, from_seq, conn_id);\n 1146|            return SubscribeOutcome::Controller;\n 1147|        }\n\n 1155|        if self.controller_by().is_none() {\n\n 1157|            // slot) — silent control, no loud displace (there is no remote driver\n 1158|            // to notify).\n-1159|            self.become_controller(sub, by, from_seq);\n+1312|            self.become_controller(sub, by, from_seq, conn_id);\n 1160|            return SubscribeOutcome::Controller;\n 1161|        }\n\n 1164|            AttachIntent::Take => {\n\n 1170|                if let Some(old) = &self.controller {\n\n 1172|                    let _ = old.tx.try_send(CtrlMsg::Control(frame));\n 1173|                }\n-1174|                self.become_controller(sub, by, from_seq);\n+1327|                self.become_controller(sub, by, from_seq, conn_id);\n 1175|                SubscribeOutcome::TookControl\n 1176|            }\n\n 1181|    }\n\n 1416|#[allow(clippy::too_many_arguments)] // per-writer thread-handoff channels (W2 added the blocked-since signal); a struct would obscure the call\n 1417|fn controller_writer(\n+1571|    conn_id: u64,\n 1418|    sid: u64,\n 1419|    send: SharedSend,\n\n 1426|) {\n\n 1447|        // frame the stale writer committed BEFORE the bump is irreducible at the\n 1448|        // broker; fix #1 removes the contradictory double-take that produced it.)\n+1603|        let mut trace = CtrlWriteTrace::new(conn_id, sid, epoch, Some(*seq), &frame);\n 1449|        mark_blocked(true);\n+1605|        if let Some(trace) = trace.as_mut() {\n+1606|            trace.begin_wait();\n+1607|        }\n 1450|        let ok = match send.lock() {\n 1451|            Ok(mut s) => {\n+1610|                if let Some(trace) = trace.as_mut() {\n+1611|                    trace.locked();\n+1612|                }\n 1452|                if controller_epoch.load(Ordering::Acquire) != epoch {\n 1453|                    mark_blocked(false);\n+1615|                    if let Some(trace) = trace.as_ref() {\n+1616|                        trace.done(\"superseded\");\n+1617|                    }\n 1454|                    return;\n 1455|                }\n-1456|                write_frame(&mut *s, &frame).is_ok()\n+1620|                if let Some(trace) = trace.as_mut() {\n+1621|                    trace.begin_write();\n+1622|                }\n+1623|                let ok = write_frame(&mut *s, &frame).is_ok();\n+1624|                if let Some(trace) = trace.as_mut() {\n+1625|                    trace.finish_write();\n+1626|                }\n+1627|                ok\n 1457|            }\n-1458|            Err(_) => false,\n+1629|            Err(_) => {\n+1630|                if let Some(trace) = trace.as_mut() {\n+1631|                    trace.lock_failed();\n+1632|                }\n+1633|                false\n+1634|            }\n 1459|        };\n 1460|        mark_blocked(false);\n+1637|        if let Some(trace) = trace.as_ref() {\n+1638|            trace.done(if ok { \"ok\" } else { \"error\" });\n+1639|        }\n 1461|        if !ok {\n 1462|            return;\n 1463|        }\n\n 1477|        // output here would suppress that `Displaced` (the cv-matrix loud-take\n 1478|        // hang). The reorder hazard is the INITIAL-BATCH replay, gated above.\n+1658|        let mut trace = CtrlWriteTrace::new(conn_id, sid, epoch, seq, frame);\n 1479|        mark_blocked(true);\n+1660|        if let Some(trace) = trace.as_mut() {\n+1661|            trace.begin_wait();\n+1662|        }\n 1480|        let ok = match send.lock() {\n-1481|            Ok(mut s) => write_frame(&mut *s, frame).is_ok(),\n-1482|            Err(_) => false,\n+1664|            Ok(mut s) => {\n+1665|                if let Some(trace) = trace.as_mut() {\n+1666|                    trace.locked();\n+1667|                    trace.begin_write();\n+1668|                }\n+1669|                let ok = write_frame(&mut *s, frame).is_ok();\n+1670|                if let Some(trace) = trace.as_mut() {\n+1671|                    trace.finish_write();\n+1672|                }\n+1673|                ok\n+1674|            }\n+1675|            Err(_) => {\n+1676|                if let Some(trace) = trace.as_mut() {\n+1677|                    trace.lock_failed();\n+1678|                }\n+1679|                false\n+1680|            }\n 1483|        };\n 1484|        mark_blocked(false);\n+1683|        if let Some(trace) = trace.as_ref() {\n+1684|            trace.done(if ok { \"ok\" } else { \"error\" });\n+1685|        }\n 1485|        if !ok {\n 1486|            return;\n 1487|        }\n\n 1497|}\n\n 1528|struct HostedSession {\n\n 1569|}\n 1570|\n-1571|/// One record queued to a session's dedicated PTY input-writer thread — the raw\n-1572|/// bytes to write (v0.13.0 P0, REQ-HAZARD-PTY-INPUT-WRITER-WEDGE).\n-1573|type InputRecord = Vec<u8>;\n+1772|/// One record queued to a session's dedicated PTY input-writer thread. Probe\n+1773|/// metadata carries only a monotonic ticket; user/payload bytes are never logged.\n+1774|struct InputRecord {\n+1775|    bytes: Vec<u8>,\n+1776|    probe_ticket: Option<u64>,\n+1777|}\n 1574|\n+1779|#[derive(Clone, Copy)]\n+1780|struct ProbeEnqueue {\n+1781|    ticket: Option<u64>,\n+1782|    accepted: bool,\n+1783|}\n+1784|\n 1575|/// The per-session PTY input FIFO depth (records). Sized for a generous paste —\n 1576|/// a wedged harness fills this and then DROPS, never blocking the dispatch\n 1624|    fn spawn(session: Arc<PtySession>, endpoint: String) -> Arc<InputWriter> {\n 1625|        let (tx, rx) = sync_channel::<InputRecord>(input_queue_depth());\n-1626|        let writer = thread::spawn(move || input_writer(session, rx));\n+1836|        let writer_endpoint = endpoint.clone();\n+1837|        let writer = thread::spawn(move || input_writer(session, rx, writer_endpoint));\n 1627|        Arc::new(InputWriter {\n 1628|            tx,\n\n 1632|        })\n 1633|    }\n\n 1639|    /// thread never blocks here, however stuck the harness is.\n 1640|    // [impl->REQ-HAZARD-PTY-INPUT-WRITER-WEDGE]\n-1641|    fn enqueue(&self, bytes: InputRecord) -> bool {\n-1642|        match self.tx.try_send(bytes) {\n+1852|    fn enqueue(&self, bytes: Vec<u8>) -> bool {\n+1853|        self.enqueue_record(InputRecord {\n+1854|            bytes,\n+1855|            probe_ticket: None,\n+1856|        })\n+1857|    }\n+1858|\n+1859|    /// Enqueue exactly the settle DSR probe with a trace ticket when RCA tracing\n+1860|    /// is enabled. The ordinary path remains the same non-blocking enqueue.\n+1861|    fn enqueue_probe(&self) -> ProbeEnqueue {\n+1862|        if !rca_pty_trace_enabled() {\n+1863|            return ProbeEnqueue {\n+1864|                ticket: None,\n+1865|                accepted: self.enqueue(INJECT_SETTLE_PROBE.to_vec()),\n+1866|            };\n+1867|        }\n+1868|        let ticket = NEXT_RCA_PROBE_TICKET.fetch_add(1, Ordering::Relaxed);\n+1869|        let accepted = self.enqueue_record(InputRecord {\n+1870|            bytes: INJECT_SETTLE_PROBE.to_vec(),\n+1871|            probe_ticket: Some(ticket),\n+1872|        });\n+1873|        eprintln!(\n+1874|            \"PROBE_ENQUEUE: endpoint={} ticket={} accepted={} result={} bytes_len={} \\\n+1875|             elapsed_us={}\",\n+1876|            self.endpoint,\n+1877|            ticket,\n+1878|            accepted,\n+1879|            if accepted { \"accepted\" } else { \"dropped\" },\n+1880|            INJECT_SETTLE_PROBE.len(),\n+1881|            rca_pty_trace_elapsed_us()\n+1882|        );\n+1883|        ProbeEnqueue {\n+1884|            ticket: Some(ticket),\n+1885|            accepted,\n+1886|        }\n+1887|    }\n+1888|\n+1889|    fn enqueue_record(&self, record: InputRecord) -> bool {\n+1890|        match self.tx.try_send(record) {\n 1643|            Ok(()) => {\n 1644|                // Heal: input is flowing again — clear a prior backpressure stamp.\n\n 1649|            }\n\n 1659|        }\n 1660|    }\n\n 1678|/// swallowed (the same best-effort the inline callers had). The thread exits\n 1679|/// when the last `tx` clone drops at session teardown.\n-1680|fn input_writer(session: Arc<PtySession>, rx: Receiver<InputRecord>) {\n-1681|    while let Ok(bytes) = rx.recv() {\n-1682|        let _ = session.write_input(&bytes);\n+1928|fn input_writer(session: Arc<PtySession>, rx: Receiver<InputRecord>, endpoint: String) {\n+1929|    while let Ok(record) = rx.recv() {\n+1930|        if let Some(ticket) = record.probe_ticket {\n+1931|            eprintln!(\n+1932|                \"PROBE_WRITE_START: endpoint={endpoint} ticket={ticket} bytes_len={} \\\n+1933|                 elapsed_us={}\",\n+1934|                record.bytes.len(),\n+1935|                rca_pty_trace_elapsed_us()\n+1936|            );\n+1937|            let write_started = Instant::now();\n+1938|            let ok = session.write_input(&record.bytes).is_ok();\n+1939|            eprintln!(\n+1940|                \"PROBE_WRITE_DONE: endpoint={endpoint} ticket={ticket} bytes_len={} \\\n+1941|                 write_us={} result={} elapsed_us={}\",\n+1942|                record.bytes.len(),\n+1943|                write_started.elapsed().as_micros(),\n+1944|                if ok { \"ok\" } else { \"error\" },\n+1945|                rca_pty_trace_elapsed_us()\n+1946|            );\n+1947|        } else {\n+1948|            let _ = session.write_input(&record.bytes);\n+1949|        }\n 1683|    }\n 1684|}\n 1922|    loop {\n 1923|        // Probe: a live reader answers DSR / re-renders → the ring advances.\n-1924|        input.enqueue(INJECT_SETTLE_PROBE.to_vec());\n+2191|        let probe = input.enqueue_probe();\n 1925|        thread::sleep(INJECT_SETTLE_POLL);\n-1926|        if recover_log(log).high_water() > baseline {\n+2193|        let current = recover_log(log).high_water();\n+2194|        if current > baseline {\n 1927|            return true; // output produced since baseline → the input reader is live\n 1928|        }\n 1929|        if Instant::now() >= deadline {\n-1930|            eprintln!(\n-1931|                \"INJECT_SETTLE_TIMEOUT:{endpoint}: no PTY readiness echo within {}ms — proceeding (echo-verify guards head loss)\",\n-1932|                inject_settle_deadline().as_millis()\n-1933|            );\n+2198|            if rca_pty_trace_enabled() {\n+2199|                eprintln!(\n+2200|                    \"INJECT_SETTLE_TIMEOUT:{endpoint}: no PTY readiness echo within {}ms \\\n+2201|                     — proceeding (echo-verify guards head loss); baseline_high_water={} \\\n+2202|                     current_high_water={} last_probe_ticket={} last_probe_accepted={} \\\n+2203|                     elapsed_us={}\",\n+2204|                    inject_settle_deadline().as_millis(),\n+2205|                    baseline,\n+2206|                    current,\n+2207|                    probe.ticket.unwrap_or(0),\n+2208|                    probe.accepted,\n+2209|                    rca_pty_trace_elapsed_us()\n+2210|                );\n+2211|            } else {\n+2212|                eprintln!(\n+2213|                    \"INJECT_SETTLE_TIMEOUT:{endpoint}: no PTY readiness echo within {}ms — proceeding (echo-verify guards head loss)\",\n+2214|                    inject_settle_deadline().as_millis()\n+2215|                );\n+2216|            }\n 1934|            return false;\n 1935|        }\n 1936|    }\n\n 2749|    /// restart must not disturb the hosted children).\n 2750|    fn handle_conn(self: &Arc<Self>, conn: Stream) -> io::Result<()> {\n+3034|        let conn_id = NEXT_RCA_CONN_ID.fetch_add(1, Ordering::Relaxed);\n 2751|        let (mut recv, send) = conn.split();\n 2752|        let send: SharedSend = Arc::new(Mutex::new(send));\n\n 2762|            let env = match read_frame(&mut recv) {\n\n 2766|            };\n 2767|            match env.kind.as_str() {\n-2768|                KIND_SPAWN => match self.dispatch_spawn(env, &send) {\n+3052|                KIND_SPAWN => match self.dispatch_spawn(env, &send, conn_id) {\n 2769|                    Ok(id) => my_subs.push(id),\n 2770|                    Err(msg) => send_error(&send, &msg),\n 2771|                },\n-2772|                KIND_SUBSCRIBE => match self.dispatch_subscribe(env, &send) {\n+3056|                KIND_SUBSCRIBE => match self.dispatch_subscribe(env, &send, conn_id) {\n 2773|                    Ok(id) => my_subs.push(id),\n 2774|                    Err(msg) => send_error(&send, &msg),\n 2775|                },\n\n 2939|            }\n\n 2961|    }\n\n 2968|    /// another owner's delivery nor the broker's control dispatch).\n 2969|    // [impl->REQ-HAZARD-DAEMON-SCHED-NONBLOCKING]\n-2970|    fn dispatch_spawn(&self, env: Envelope, send: &SharedSend) -> Result<u64, String> {\n+3254|    fn dispatch_spawn(\n+3255|        &self,\n+3256|        env: Envelope,\n+3257|        send: &SharedSend,\n+3258|        conn_id: u64,\n+3259|    ) -> Result<u64, String> {\n 2971|        let req: SpawnReq =\n 2972|            serde_json::from_value(env.payload).map_err(|e| format!(\"bad spawn payload: {e}\"))?;\n 3076|        log.lock()\n 3077|            .unwrap()\n-3078|            .become_controller(Arc::clone(send), None, 0);\n+3367|            .become_controller(Arc::clone(send), None, 0, conn_id);\n 3079|\n 3080|        // Output drain → append under the log lock (fast: ring + viewer fan-out),\n\n 3184|    }\n\n 3192|    /// same-`by` re-subscribe silently re-takes the controller — the gate-#7\n 3193|    /// self-kick guard.\n-3194|    fn dispatch_subscribe(&self, env: Envelope, send: &SharedSend) -> Result<u64, String> {\n+3483|    fn dispatch_subscribe(\n+3484|        &self,\n+3485|        env: Envelope,\n+3486|        send: &SharedSend,\n+3487|        conn_id: u64,\n+3488|    ) -> Result<u64, String> {\n 3195|        let req: SubscribeReq = serde_json::from_value(env.payload)\n 3196|            .map_err(|e| format!(\"bad subscribe payload: {e}\"))?;\n\n 3216|        let outcome = recover_log(&log).resolve_subscribe(\n\n 3219|            req.intent,\n 3220|            req.by,\n+3515|            conn_id,\n 3221|        );\n 3222|        send_frame(send, &subscribed_envelope(req.session_id, outcome));\n\n 3224|    }\n\n 4531|        let (ctx, _crx) = sync_channel::<CtrlMsg>(2);\n 4532|        log.controller = Some(ControllerSink {\n+4828|            conn_id: 0,\n 4533|            tx: ctx,\n 4534|            send: csend,\n\n 4539|        });\n\n 4702|        // writer exactly as `input_writer` does.\n 4703|        drop(w);\n-4704|        while let Ok(bytes) = rx.recv() {\n-4705|            surface.write_input(&bytes).unwrap();\n+5000|        while let Ok(record) = rx.recv() {\n+5001|            surface.write_input(&record.bytes).unwrap();\n 4706|        }\n 4707|\n 5140|        // calls (a re-driven keystroke must not double-type into the paste).\n 5141|        drop(w);\n-5142|        let drained: Vec<Vec<u8>> = std::iter::from_fn(|| rx.recv().ok()).collect();\n+5438|        let drained: Vec<Vec<u8>> =\n+5439|            std::iter::from_fn(|| rx.recv().ok().map(|record| record.bytes)).collect();\n 5143|        assert_eq!(\n 5144|            drained,\n\n 5149|        );\n\n 5255|\n 5256|        // writer-A: registers at next_seq-1 = 1 → initial = [repaint@1].\n-5257|        log.become_controller(Arc::clone(&send), None, 0);\n+5554|        log.become_controller(Arc::clone(&send), None, 0, 0);\n 5258|        // A further chunk advances the grid to a NEW current screen (seq 2). The\n 5259|        // handoff to A's (pinned) channel is buffered; A never gets to write it.\n 5264|        // writer-B: registers at next_seq-1 = 2 → initial = [repaint@2]. Bumps the\n 5265|        // epoch; writer-A is superseded. Both writers park on the pinned socket.\n-5266|        log.become_controller(Arc::clone(&send), None, 0);\n+5563|        log.become_controller(Arc::clone(&send), None, 0, 0);\n 5267|\n 5268|        // Release the socket: the writers race for the mutex. The in-lock gate makes\n 5323|\n 5324|        // Cold controller attach from seq 0.\n-5325|        log.become_controller(Arc::clone(&send), None, 0);\n+5622|        log.become_controller(Arc::clone(&send), None, 0, 0);\n 5326|\n 5327|        // The initial batch is ONE output frame carrying the synthesized repaint.\n 5381|        assert!(writer.is_finished(), \"precondition: the writer thread has exited\");\n 5382|        log.controller = Some(ControllerSink {\n+5680|            conn_id: 0,\n 5383|            tx,\n 5384|            send,\n\n 5389|        });\n\n 5415|        let writer = thread::spawn(move || {\n\n 5417|        });\n 5418|        log.controller = Some(ControllerSink {\n+5717|            conn_id: 0,\n 5419|            tx,\n 5420|            send,\n\n 5425|        });\n\n 5452|        let writer = thread::spawn(move || {\n\n 5454|        });\n 5455|        log.controller = Some(ControllerSink {\n+5755|            conn_id: 0,\n 5456|            tx,\n 5457|            send,\n\n 5462|        });\n\n 5562|\n 5563|        let (nsend, _nc, _nr) = controller_socket_pair();\n-5564|        let outcome =\n-5565|            log.resolve_subscribe(nsend, 0, AttachIntent::Control, Some(\"newcomer\".to_string()));\n+5864|        let outcome = log.resolve_subscribe(\n+5865|            nsend,\n+5866|            0,\n+5867|            AttachIntent::Control,\n+5868|            Some(\"newcomer\".to_string()),\n+5869|            0,\n+5870|        );\n 5566|\n 5567|        assert_eq!(\n\n 5571|        );","firstChangedLine":38,"op":"update","path":"spt-core/crates/spt-daemon/src/broker.rs","snapshotsPruned":true},"isError":false,"timestamp":1783657853866}}
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{"type":"message","id":"9f871407","parentId":"b6881da0","timestamp":"2026-07-10T04:31:14.630Z","message":{"role":"toolResult","toolCallId":"call_jV8JgBdoF09TI9yPLbRcpC0p|fc_0c89dcd879efbf36016a5075928aa881978d1a7107914ea03e","toolName":"grep","content":[{"type":"text","text":"[spt-core/crates/spt-daemon/src/broker.rs#3563]\n 90:static NEXT_RCA_CONN_ID: AtomicU64 = AtomicU64::new(1);\n*91:static NEXT_RCA_PROBE_TICKET: AtomicU64 = AtomicU64::new(1);\n 92:\n 93:fn rca_pty_trace_enabled() -> bool {\n 94:    *RCA_PTY_TRACE_ENABLED\n...\n 133:        eprintln!(\n*134:            \"CTRL_WRITE_WAIT: conn_id={conn_id} sid={sid} epoch={epoch} \\\n 135:             label={label} bytes_len={bytes_len} elapsed_us={}\",\n 136:            rca_pty_trace_elapsed_us()\n 137:        );\n...\n 161:        eprintln!(\n*162:            \"CTRL_WRITE_LOCKED: conn_id={} sid={} epoch={} label={} bytes_len={} \\\n 163:             wait_us={} elapsed_us={}\",\n 164:            self.conn_id,\n 165:            self.sid,\n...\n 195:        eprintln!(\n*196:            \"CTRL_WRITE_DONE: conn_id={} sid={} epoch={} label={} bytes_len={} \\\n 197:             wait_us={} write_us={} result={} elapsed_us={}\",\n 198:            self.conn_id,\n 199:            self.sid,\n...\n 1867:        }\n*1868:        let ticket = NEXT_RCA_PROBE_TICKET.fetch_add(1, Ordering::Relaxed);\n 1869:        let accepted = self.enqueue_record(InputRecord {\n 1870:            bytes: INJECT_SETTLE_PROBE.to_vec(),\n 1871:            probe_ticket: Some(ticket),\n...\n 1873:        eprintln!(\n*1874:            \"PROBE_ENQUEUE: endpoint={} ticket={} accepted={} result={} bytes_len={} \\\n 1875:             elapsed_us={}\",\n 1876:            self.endpoint,\n 1877:            ticket,\n...\n 1931:            eprintln!(\n*1932:                \"PROBE_WRITE_START: endpoint={endpoint} ticket={ticket} bytes_len={} \\\n 1933:                 elapsed_us={}\",\n 1934:                record.bytes.len(),\n 1935:                rca_pty_trace_elapsed_us()\n...\n 1939:            eprintln!(\n*1940:                \"PROBE_WRITE_DONE: endpoint={endpoint} ticket={ticket} bytes_len={} \\\n 1941:                 write_us={} result={} elapsed_us={}\",\n 1942:                record.bytes.len(),\n 1943:                write_started.elapsed().as_micros(),\n...\n 2199:                eprintln!(\n*2200:                    \"INJECT_SETTLE_TIMEOUT:{endpoint}: no PTY readiness echo within {}ms \\\n 2201:                     — proceeding (echo-verify guards head loss); baseline_high_water={} \\\n 2202:                     current_high_water={} last_probe_ticket={} last_probe_accepted={} \\\n 2203:                     elapsed_us={}\",\n...\n 2212:                eprintln!(\n*2213:                    \"INJECT_SETTLE_TIMEOUT:{endpoint}: no PTY readiness echo within {}ms — proceeding (echo-verify guards head loss)\",\n 2214:                    inject_settle_deadline().as_millis()\n 2215:                );\n 2216:            }"}],"details":{"scopePath":"spt-core/crates/spt-daemon/src/broker.rs","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs","cwd":"C:\\Users\\decid\\Documents\\projects","matchCount":10,"fileCount":1,"files":["spt-core/crates/spt-daemon/src/broker.rs"],"fileMatches":[{"path":"spt-core/crates/spt-daemon/src/broker.rs","count":10}],"truncated":false,"displayContent":"   90│static NEXT_RCA_CONN_ID: AtomicU64 = AtomicU64::new(1);\n  *91│static NEXT_RCA_PROBE_TICKET: AtomicU64 = AtomicU64::new(1);\n   92│\n   93│fn rca_pty_trace_enabled() -> bool {\n   94│    *RCA_PTY_TRACE_ENABLED\n     │...\n  133│        eprintln!(\n *134│            \"CTRL_WRITE_WAIT: conn_id={conn_id} sid={sid} epoch={epoch} \\\n  135│             label={label} bytes_len={bytes_len} elapsed_us={}\",\n  136│            rca_pty_trace_elapsed_us()\n  137│        );\n     │...\n  161│        eprintln!(\n *162│            \"CTRL_WRITE_LOCKED: conn_id={} sid={} epoch={} label={} bytes_len={} \\\n  163│             wait_us={} elapsed_us={}\",\n  164│            self.conn_id,\n  165│            self.sid,\n     │...\n  195│        eprintln!(\n *196│            \"CTRL_WRITE_DONE: conn_id={} sid={} epoch={} label={} bytes_len={} \\\n  197│             wait_us={} write_us={} result={} elapsed_us={}\",\n  198│            self.conn_id,\n  199│            self.sid,\n     │...\n 1867│        }\n*1868│        let ticket = NEXT_RCA_PROBE_TICKET.fetch_add(1, Ordering::Relaxed);\n 1869│        let accepted = self.enqueue_record(InputRecord {\n 1870│            bytes: INJECT_SETTLE_PROBE.to_vec(),\n 1871│            probe_ticket: Some(ticket),\n     │...\n 1873│        eprintln!(\n*1874│            \"PROBE_ENQUEUE: endpoint={} ticket={} accepted={} result={} bytes_len={} \\\n 1875│             elapsed_us={}\",\n 1876│            self.endpoint,\n 1877│            ticket,\n     │...\n 1931│            eprintln!(\n*1932│                \"PROBE_WRITE_START: endpoint={endpoint} ticket={ticket} bytes_len={} \\\n 1933│                 elapsed_us={}\",\n 1934│                record.bytes.len(),\n 1935│                rca_pty_trace_elapsed_us()\n     │...\n 1939│            eprintln!(\n*1940│                \"PROBE_WRITE_DONE: endpoint={endpoint} ticket={ticket} bytes_len={} \\\n 1941│                 write_us={} result={} elapsed_us={}\",\n 1942│                record.bytes.len(),\n 1943│                write_started.elapsed().as_micros(),\n     │...\n 2199│                eprintln!(\n*2200│                    \"INJECT_SETTLE_TIMEOUT:{endpoint}: no PTY readiness echo within {}ms \\\n 2201│                     — proceeding (echo-verify guards head loss); baseline_high_water={} \\\n 2202│                     current_high_water={} last_probe_ticket={} last_probe_accepted={} \\\n 2203│                     elapsed_us={}\",\n     │...\n 2212│                eprintln!(\n*2213│                    \"INJECT_SETTLE_TIMEOUT:{endpoint}: no PTY readiness echo within {}ms — proceeding (echo-verify guards head loss)\",\n 2214│                    inject_settle_deadline().as_millis()\n 2215│                );\n 2216│            }"},"isError":false,"timestamp":1783657874630}}
{"type":"message","id":"b5b25948","parentId":"9f871407","timestamp":"2026-07-10T04:31:14.656Z","message":{"role":"toolResult","toolCallId":"call_01Eqd2rXS220OeIFzD3WqXLV|fc_0c89dcd879efbf36016a5075928a8c8197b557191eec56b2ad","toolName":"ast_grep","content":[{"type":"text","text":"No matches found"}],"details":{"matchCount":0,"fileCount":0,"filesSearched":1,"limitReached":false,"scopePath":"spt-core/crates/spt-daemon/src/broker.rs","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs","cwd":"C:\\Users\\decid\\Documents\\projects","files":[],"fileMatches":[]},"isError":false,"useless":true,"timestamp":1783657874656}}
{"type":"message","id":"7e264284","parentId":"b5b25948","timestamp":"2026-07-10T04:31:14.656Z","message":{"role":"toolResult","toolCallId":"call_ZuiwuBrtLk1QJeqfTGUN7Htt|fc_0c89dcd879efbf36016a5075928a9c8197ae8962771293e54c","toolName":"ast_grep","content":[{"type":"text","text":"No matches found"}],"details":{"matchCount":0,"fileCount":0,"filesSearched":1,"limitReached":false,"scopePath":"spt-core/crates/spt-daemon/src/broker.rs","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs","cwd":"C:\\Users\\decid\\Documents\\projects","files":[],"fileMatches":[]},"isError":false,"useless":true,"timestamp":1783657874656}}
{"type":"message","id":"780bd691","parentId":"7e264284","timestamp":"2026-07-10T04:31:14.658Z","message":{"role":"toolResult","toolCallId":"call_xAadGRbQ3FjdH6VUqW63glv6|fc_0c89dcd879efbf36016a5075928aa481979c1dd79721c1d7fd","toolName":"ast_grep","content":[{"type":"text","text":"[spt-core/crates/spt-daemon/src/broker.rs#3563]\n*1071:ControllerSink {\n 1072:            conn_id,\n 1073:            tx,\n 1074:            send: sub,\n 1075:            by,\n 1076:            last_ok: Instant::now(),\n 1077:            write_blocked_since,\n 1078:            _writer: writer,\n 1079:        }\n  meta: FIELDS=[conn_id, ,, tx, ,, send: sub, ,, by, ,, last_ok: Instant::now(), ,, write_blocked_since, ,, _writer: writer, ,]\n*4827:ControllerSink {\n 4828:            conn_id: 0,\n 4829:            tx: ctx,\n 4830:            send: csend,\n 4831:            by: None,\n 4832:            last_ok: Instant::now(),\n 4833:            write_blocked_since: Arc::new(Mutex::new(None)),\n 4834:            _writer: thread::spawn(|| {}),\n 4835:        }\n  meta: FIELDS=[conn_id: 0, ,, tx: ctx, ,, send: csend, ,, by: None, ,, last_ok: Instant::now(), ,, write_blocked_since: Arc::new(Mutex::new(None)), ,, _writer: thread::spawn(|| {}), ,]\n*5679:ControllerSink {\n 5680:            conn_id: 0,\n 5681:            tx,\n 5682:            send,\n 5683:            by: Some(\"remote-node\".to_string()),\n 5684:            last_ok: Instant::now(),\n 5685:            write_blocked_since: Arc::new(Mutex::new(None)),\n 5686:            _writer: writer,\n 5687:        }\n  meta: FIELDS=[conn_id: 0, ,, tx, ,, send, ,, by: Some(\"remote-node\".to_string()), ,, last_ok: Instant::now(), ,, write_blocked_since: Arc::new(Mutex::new(None)), ,, _writer: writer, ,]\n*5716:ControllerSink {\n 5717:            conn_id: 0,\n 5718:            tx,\n 5719:            send,\n 5720:            by: Some(\"remote-node\".to_string()),\n 5721:            last_ok: Instant::now(),\n 5722:            write_blocked_since: Arc::new(Mutex::new(None)),\n 5723:            _writer: writer,\n 5724:        }\n  meta: FIELDS=[conn_id: 0, ,, tx, ,, send, ,, by: Some(\"remote-node\".to_string()), ,, last_ok: Instant::now(), ,, write_blocked_since: Arc::new(Mutex::new(None)), ,, _writer: writer, ,]\n*5754:ControllerSink {\n 5755:            conn_id: 0,\n 5756:            tx,\n 5757:            send,\n 5758:            by: by.map(str::to_string),\n 5759:            last_ok: Instant::now(),\n 5760:            write_blocked_since: Arc::clone(&write_blocked_since),\n 5761:            _writer: writer,\n 5762:        }\n  meta: FIELDS=[conn_id: 0, ,, tx, ,, send, ,, by: by.map(str::to_string), ,, last_ok: Instant::now(), ,, write_blocked_since: Arc::clone(&write_blocked_since), ,, _writer: writer, ,]"}],"details":{"matchCount":5,"fileCount":1,"filesSearched":1,"limitReached":false,"scopePath":"spt-core/crates/spt-daemon/src/broker.rs","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\crates\\spt-daemon\\src\\broker.rs","cwd":"C:\\Users\\decid\\Documents\\projects","files":["spt-core/crates/spt-daemon/src/broker.rs"],"fileMatches":[{"path":"spt-core/crates/spt-daemon/src/broker.rs","count":5}],"displayContent":"*1071│ControllerSink {\r\n 1072│            conn_id,\r\n 1073│            tx,\r\n 1074│            send: sub,\r\n 1075│            by,\r\n 1076│            last_ok: Instant::now(),\r\n 1077│            write_blocked_since,\r\n 1078│            _writer: writer,\r\n 1079│        }\n  meta: FIELDS=[conn_id, ,, tx, ,, send: sub, ,, by, ,, last_ok: Instant::now(), ,, write_blocked_since, ,, _writer: writer, ,]\n*4827│ControllerSink {\r\n 4828│            conn_id: 0,\r\n 4829│            tx: ctx,\r\n 4830│            send: csend,\r\n 4831│            by: None,\r\n 4832│            last_ok: Instant::now(),\r\n 4833│            write_blocked_since: Arc::new(Mutex::new(None)),\r\n 4834│            _writer: thread::spawn(|| {}),\r\n 4835│        }\n  meta: FIELDS=[conn_id: 0, ,, tx: ctx, ,, send: csend, ,, by: None, ,, last_ok: Instant::now(), ,, write_blocked_since: Arc::new(Mutex::new(None)), ,, _writer: thread::spawn(|| {}), ,]\n*5679│ControllerSink {\r\n 5680│            conn_id: 0,\r\n 5681│            tx,\r\n 5682│            send,\r\n 5683│            by: Some(\"remote-node\".to_string()),\r\n 5684│            last_ok: Instant::now(),\r\n 5685│            write_blocked_since: Arc::new(Mutex::new(None)),\r\n 5686│            _writer: writer,\r\n 5687│        }\n  meta: FIELDS=[conn_id: 0, ,, tx, ,, send, ,, by: Some(\"remote-node\".to_string()), ,, last_ok: Instant::now(), ,, write_blocked_since: Arc::new(Mutex::new(None)), ,, _writer: writer, ,]\n*5716│ControllerSink {\r\n 5717│            conn_id: 0,\r\n 5718│            tx,\r\n 5719│            send,\r\n 5720│            by: Some(\"remote-node\".to_string()),\r\n 5721│            last_ok: Instant::now(),\r\n 5722│            write_blocked_since: Arc::new(Mutex::new(None)),\r\n 5723│            _writer: writer,\r\n 5724│        }\n  meta: FIELDS=[conn_id: 0, ,, tx, ,, send, ,, by: Some(\"remote-node\".to_string()), ,, last_ok: Instant::now(), ,, write_blocked_since: Arc::new(Mutex::new(None)), ,, _writer: writer, ,]\n*5754│ControllerSink {\r\n 5755│            conn_id: 0,\r\n 5756│            tx,\r\n 5757│            send,\r\n 5758│            by: by.map(str::to_string),\r\n 5759│            last_ok: Instant::now(),\r\n 5760│            write_blocked_since: Arc::clone(&write_blocked_since),\r\n 5761│            _writer: writer,\r\n 5762│        }\n  meta: FIELDS=[conn_id: 0, ,, tx, ,, send, ,, by: by.map(str::to_string), ,, last_ok: Instant::now(), ,, write_blocked_since: Arc::clone(&write_blocked_since), ,, _writer: writer, ,]"},"isError":false,"timestamp":1783657874658}}
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single file change and build success**\n\n<!-- -->"},{"type":"summary_text","text":"**Analyzing connection control flow and logging concerns**\n\n<!-- -->"}]},{"id":"fc_0c89dcd879efbf36016a5075b5dc6881978b340cbdfb2778c9","type":"function_call","status":"completed","arguments":"{\"result\":{\"data\":{\"status\":\"complete\",\"file\":\"crates/spt-daemon/src/broker.rs\",\"markers\":[\"CTRL_WRITE_WAIT: conn_id, sid, epoch, label=seq:<n>|control:<kind>, bytes_len, elapsed_us\",\"CTRL_WRITE_LOCKED: conn_id, sid, epoch, label, bytes_len, wait_us, elapsed_us\",\"CTRL_WRITE_DONE: conn_id, sid, epoch, label, bytes_len, wait_us, write_us, result=ok|error|superseded, elapsed_us\",\"PROBE_ENQUEUE: endpoint, ticket, accepted, result=accepted|dropped, bytes_len, elapsed_us\",\"PROBE_WRITE_START: endpoint, ticket, bytes_len, elapsed_us\",\"PROBE_WRITE_DONE: endpoint, ticket, bytes_len, write_us, result=ok|error, elapsed_us\",\"INJECT_SETTLE_TIMEOUT (gated extension): endpoint, baseline_high_water, 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{"type":"message","id":"33c2428a","parentId":"8f77313a","timestamp":"2026-07-10T04:31:55.888Z","message":{"role":"toolResult","toolCallId":"call_65Qpgq58libnptNZHQxNwY7u|fc_0c89dcd879efbf36016a5075b5dc6881978b340cbdfb2778c9","toolName":"yield","content":[{"type":"text","text":"Result submitted."}],"details":{"data":{"status":"complete","file":"crates/spt-daemon/src/broker.rs","markers":["CTRL_WRITE_WAIT: conn_id, sid, epoch, label=seq:<n>|control:<kind>, bytes_len, elapsed_us","CTRL_WRITE_LOCKED: conn_id, sid, epoch, label, bytes_len, wait_us, elapsed_us","CTRL_WRITE_DONE: conn_id, sid, epoch, label, bytes_len, wait_us, write_us, result=ok|error|superseded, elapsed_us","PROBE_ENQUEUE: endpoint, ticket, accepted, result=accepted|dropped, bytes_len, elapsed_us","PROBE_WRITE_START: endpoint, ticket, bytes_len, elapsed_us","PROBE_WRITE_DONE: endpoint, ticket, bytes_len, write_us, result=ok|error, elapsed_us","INJECT_SETTLE_TIMEOUT (gated extension): endpoint, baseline_high_water, current_high_water, last_probe_ticket, last_probe_accepted, elapsed_us"],"signature_propagation":["handle_conn mints AtomicU64 conn_id","handle_conn -> dispatch_spawn -> OutputLog::become_controller -> controller_writer","handle_conn -> dispatch_subscribe -> OutputLog::resolve_subscribe -> OutputLog::become_controller -> controller_writer","ControllerSink retains conn_id","InputWriter::spawn passes endpoint to input_writer; settle_before_inject uses InputWriter::enqueue_probe with tagged InputRecord"],"behavior_guards":["SPT_RCA_PTY_TRACE=1 is the sole observation gate","No payload/user bytes are emitted; only lengths, IDs, endpoint, timing, and result labels","Ungated controller path adds only a cached LazyLock gate read; handle_conn adds one relaxed atomic increment; ungated probes retain the original nonblocking enqueue/write behavior"],"verification":"cargo check -p spt-daemon passed"},"status":"success"},"isError":false,"timestamp":1783657915888}}
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{"type":"custom_message","customType":"irc:incoming","content":"<irc>\nIncoming IRC message from agent `ConnLifecycleTrace`:\n\nI’m assigned handle_conn/dispatch spawn-subscribe/controller lifecycle markers in broker.rs. Are you editing overlapping lines now? Please flag exact ranges/markers.\nIf a response is expected, reply with the `irc` tool (`op: \"send\"`, `to: \"ConnLifecycleTrace\"`) — you may finish your current step first. Nobody replies on your behalf.\n</irc>","display":true,"details":{"id":"1529eadabc2998b6","from":"ConnLifecycleTrace","message":"I’m assigned handle_conn/dispatch spawn-subscribe/controller lifecycle markers in broker.rs. Are you editing overlapping lines now? Please flag exact ranges/markers."},"attribution":"agent","id":"bfeb5d7b","parentId":"fdb47fff","timestamp":"2026-07-10T05:18:02.036Z"}
{"type":"message","id":"f806704d","parentId":"bfeb5d7b","timestamp":"2026-07-10T05:18:11.344Z","message":{"role":"assistant","content":[{"type":"thinking","thinking":"**Determining necessity of immediate reply**\n\n<!-- -->"},{"type":"toolCall","id":"call_Q1OHcXcIJT4wNzhbg2FlM95U|fc_0857a9ea65e52078016a50809112108198a5ccb16a193a3a52","name":"irc","arguments":{"i":"Preventing broker edit collision","op":"send","to":"ConnLifecycleTrace","message":"Yes—exclusive broker.rs edit is complete. I changed handle_conn to mint conn_id; dispatch_spawn/dispatch_subscribe signatures/calls; resolve_subscribe/become_controller/controller_writer propagation; ControllerSink conn_id; controller CTRL_WRITE_* markers; InputWriter/input_writer probe tickets and PROBE_*; gated settle timeout evidence. Do not edit broker.rs; coordinate with Main because your assignment fully overlaps.","replyTo":null,"await":false,"from":null,"timeoutMs":null,"peek":null}}],"api":"openai-codex-responses","provider":"openai-codex","model":"gpt-5.6-sol","usage":{"input":95075,"output":181,"cacheRead":14848,"cacheWrite":0,"totalTokens":110104,"reasoningTokens":43,"cost":{"input":0.47537500000000005,"output":0.00543,"cacheRead":0.007424,"cacheWrite":0,"total":0.488229}},"stopReason":"toolUse","timestamp":1783660682077,"responseId":"resp_0857a9ea65e52078016a50808a9c1c81988c14736cb619ea28","providerPayload":{"type":"openaiResponsesHistory","provider":"openai-codex","dt":true,"items":[{"id":"rs_0857a9ea65e52078016a50808fe68481989535ac8726eeb011","type":"reasoning","content":[],"encrypted_content":"gAAAAABqUICR5EAe-mCzbKISgLzNYBcCgnpiBHydn4ODOoKg2h3ro-Q3BI7WwUtYUEtjh-472GvBEDOkph4KX_2RSA5i1GfPvp5w01-QhI-6xyYElb8hSC_-aHeyjDzWoIbh2oLMxdFe1hqgvz7suodRXuzc1Tc6wM43niUnoq02tBYfHhHNORu49gh9U5KDaXi8nnMoirPvvfqEoOgY-aLDaM0IV2r7WqM1cTJtPIkdhE-GB_Hi0-6f0v90o-8TK45NINtYeQr8Ht88LCY5TcVj0tR9WotbhD-2LKbxVSUxqnwCkd0OCsoS9fPX08RGk4OsSt2xZaw4mLPnq1eq6ZKqwjJRtFFvvoqagW27DDXf5YhvjgRd0wjsYIY3aH0rAmUc_IPA1kR8mkzpklqRuA20zDfTcsu5h3KemitctpdgL5pnPVG_Dj72TrBwjPX38NS_-ZsTLfGaTdNu5pLB__vF_-pkEeYkYiI6jqGl7EIiV1K3NdB6LpBeUlUlvqlxnJH_h4JCJggGJaYV9dzsHLLsz7vkJek-GS_ncR0VQOcc8b6KASy2OvUpo-up_2x8Mu6QRTONfsZS8TIp1e_TS560ToEl8QK8kgpRy6nJc1RK8hZISWMxIM3Np1U_WASszCvmjAWGfGXzpM0iVR5fTYrhIdsrBQv4EytVRFes4u6kP0XIX_6F6U9eqmVL-8cMGZZt73UJP7xWlXbusRvcYp_hMkq4-7BCOy0dt6wPZKwvora4JfGbjS0uMhBHpJ1ZrmagCgFgpbdoVW3pAN4WYzc4A10FLZPPQYJLQhd7577SqZ5JzVsYLnlN31RlBeYX9t18bSOjOL6ZisM1_UtK0GEF_oL54oBXZiFHv0CG1XDSl4BQAOLdnXZQ-XrMT52iDiCx6BNokGaRYVPnKBhHH4ioYOzfAfdcop4UsGwh9uZUVCykTSoG2Ghxgli-lzNJbPfIRDPPIPw_gp_rQbXl0pAkX6R3DM3N0qUxcqebtfcTARNJiU-S9yKy0TL_7XIRH3XVd2wC5yFvnZrIZqZ2TYO_4rqSTRW4YpKansMyLB5YtUl4C66cfpz_GJBd_WyQWPz4GjvIh6N4jTM2JB8Q7ntLnWJIBm94aukj3zAWP2a51KQOkNyT-XrE3KqFiOQ2ZVREwdPadnU3U82inWoVbYW3oJ0tRf9DuE-dv8Y0ituzshZoPrCVgRQ=","summary":[{"type":"summary_text","text":"**Determining necessity of immediate reply**\n\n<!-- -->"}]},{"id":"fc_0857a9ea65e52078016a50809112108198a5ccb16a193a3a52","type":"function_call","status":"completed","arguments":"{\"i\":\"Preventing broker edit collision\",\"op\":\"send\",\"to\":\"ConnLifecycleTrace\",\"message\":\"Yes—exclusive broker.rs edit is complete. I changed handle_conn to mint conn_id; dispatch_spawn/dispatch_subscribe signatures/calls; resolve_subscribe/become_controller/controller_writer propagation; ControllerSink conn_id; controller CTRL_WRITE_* markers; InputWriter/input_writer probe tickets and PROBE_*; gated settle timeout evidence. Do not edit broker.rs; coordinate with Main because your assignment fully overlaps.\",\"replyTo\":null,\"await\":false,\"from\":null,\"timeoutMs\":null,\"peek\":null}","call_id":"call_Q1OHcXcIJT4wNzhbg2FlM95U","name":"irc"}]},"duration":9266.61910000071,"ttft":5781.299500000663,"contextSnapshot":{"promptTokens":109923,"nonMessageTokens":26447}}}
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