{"type":"title","v":1,"title":"","updatedAt":"2026-07-18T09:04:23.758Z","pad":"                                                                                                                                                                              "}
{"type":"session","version":3,"id":"019f7478-38dc-7001-aeb6-efe3ef7c5beb","timestamp":"2026-07-18T09:04:23.758Z","cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core"}
{"type":"model_change","id":"00ab6bf3","parentId":null,"timestamp":"2026-07-18T09:04:23.901Z","model":"openai-codex/gpt-5.6-sol"}
{"type":"thinking_level_change","id":"2134888e","parentId":"00ab6bf3","timestamp":"2026-07-18T09:04:23.901Z","thinkingLevel":"minimal","configured":null}
{"type":"session_init","id":"a187a0ab","parentId":"2134888e","timestamp":"2026-07-18T09:04:23.906Z","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 and runs them sequentially with auto-decisions using 6 decision principles. (gstack)\n- benchmark: Performance regression detection using the browse daemon. (gstack)\n- benchmark-models: Cross-model benchmark for gstack skills. (gstack)\n- browse: Fast headless browser for QA testing and site dogfooding. (gstack)\n- canary: Post-deploy canary monitoring. (gstack)\n- careful: Safety guardrails for destructive commands. (gstack)\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- codex: OpenAI Codex CLI wrapper — three modes. (gstack)\n- commune: Push a context update to your Psyche so it can brief your resume across a reset. Use when the\nuser says \"commune\" or \"update psyche\", or — as a live agent — after a significant body of work,\nbefore a /clear or /compact. Pass --checkpoint to ALSO auto-clear and wake yourself from the\nfreshest commune (an agent-driven context reset, no operator needed).\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- context-restore: Restore working context saved earlier by /context-save. (gstack)\n- context-save: Save working context. (gstack)\n- cso: Chief Security Officer mode. (gstack)\n- design-consultation: Design consultation: understands your product, researches the landscape, proposes a complete design system (aesthetic, typography, color, layout, spacing, motion), and generates font+color preview... (gstack)\n- design-html: Design finalization: generates production-quality Pretext-native HTML/CSS. (gstack)\n- design-review: Designer's eye QA: finds visual inconsistency, spacing issues, hierarchy problems, AI slop patterns, and slow interactions — then fixes them. (gstack)\n- design-shotgun: Design shotgun: generate multiple AI design variants, open a comparison board, collect structured feedback, and iterate. (gstack)\n- devex-review: Live developer experience audit. (gstack)\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- diagram: Turn an English description (or mermaid source) into a diagram triplet: the source, an editable .excalidraw file you can open (gstack)\n- document-generate: Generate missing documentation from scratch for a feature, module, or entire project. (gstack)\n- document-release: Post-ship documentation update. (gstack)\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 — a ready agent, or a live agent and its Psyche. Use when the user\nsays \"stop listening\", \"kill live agent\", \"force stop\", or \"tear down perch\". Session-aware: a\nlive target tears its Psyche down too.\n\n- freeze: Restrict file edits to a specific directory for the session. (gstack)\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: Router for the gstack skill suite. (gstack)\n- gstack-upgrade: Upgrade gstack to the latest version.\n- guard: Full safety mode: destructive command warnings + directory-scoped edits. (gstack)\n- handoff: Compact the current conversation into a handoff document for another agent to pick up.\n- health: Code quality dashboard. (gstack)\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. (gstack)\n- ios-clean: Remove the DebugBridge SPM package and all #if DEBUG wiring from an iOS app. (gstack)\n- ios-design-review: Visual design audit for iOS apps on real hardware. (gstack)\n- ios-fix: Autonomous iOS bug fixer. (gstack)\n- ios-qa: Live-device iOS QA for SwiftUI apps. (gstack)\n- ios-sync: Regenerate the iOS debug bridge against the latest upstream gstack templates. (gstack)\n- land-and-deploy: Land and deploy workflow. (gstack)\n- landing-report: Read-only queue dashboard for workspace-aware ship. (gstack)\n- learn: Manage project learnings.\n- list-agents: List SPT agents and endpoints reachable from this node. Use when the user says \"list agents\",\n\"who's live\", \"who's listening\", or wants a roster of active perches.\n\n- live: Run a live agent session. For past sessions, restores a summarized context.\n\nEXPLICIT START phrases (route to /sptc:live <id>):\n- \"live as\"\n- \"start live\"\n- \"go live\"\n- \"start a live agent\"\n\nAUTO-RESUME phrases (route to /sptc: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- make-pdf: Turn any markdown file into a publication-quality PDF. (gstack)\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- office-hours: YC Office Hours — two modes. (gstack)\n- open-gstack-browser: Launch GStack Browser — AI-controlled Chromium with the sidebar extension baked in.\n- pair-agent: Pair a remote AI agent with your browser. (gstack)\n- plan-ceo-review: CEO/founder-mode plan review. (gstack)\n- plan-design-review: Designer's eye plan review — interactive, like CEO and Eng review. (gstack)\n- plan-devex-review: Interactive developer experience plan review. (gstack)\n- plan-eng-review: Eng manager-mode plan review. (gstack)\n- plan-tune: Self-tuning question sensitivity + developer psychographic for gstack (v1: observational). (gstack)\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- qa: Systematically QA test a web application and fix bugs found. (gstack)\n- qa-only: Report-only QA testing. (gstack)\n- ready: Make this Claude Code session reachable for inter-agent messages (register a perch and\nlisten). Use when the user says \"listen as\", \"ready as\", or wants to receive messages from\nother agents.\n\n- retro: Weekly engineering retrospective. (gstack)\n- review: Pre-landing PR review. (gstack)\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- scrape: Pull data from a web page. (gstack)\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\", \"message\",\n\"tell <agent>\", or when you need to reach or reply to another agent yourself.\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. (gstack)\n- setup-deploy: Configure deployment settings for /land-and-deploy.\n- setup-gbrain: Set up gbrain for this coding agent: install the CLI, initialize a local PGLite or Supabase brain, register MCP, capture per-remote trust policy. (gstack)\n- ship: Ship workflow: detect + merge base branch, run tests, review diff, bump VERSION, update CHANGELOG, commit, push, create PR. (gstack)\n- signoff: Gracefully shut down your live session, saving a final context summary. Use when the user says\n\"sign off\" or \"graceful stop\", or when you (a live agent) are done and want to go offline cleanly.\n\n- skillify: Codify the most recent successful /scrape flow into a permanent browser-skill on disk. (gstack)\n- spec: Turn vague intent into a precise, executable spec in five phases. (gstack)\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- sync-gbrain: Keep gbrain current with this repo's code and refresh agent search guidance in CLAUDE.md. Wraps the gstack-gbrain-sync orchestrator with state (gstack)\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 again. (gstack)\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- 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- Grep: `grep`\n- Glob: `glob`\n- Bash: `bash`\n- Web Search: `web_search`\n- AST Grep: `ast_grep`\n- Submit Result: `yield`\n- IRC: `irc`\n- mempalace:mempalace/mempalace_add_drawer: `mcp__mempalace_mempalace_mempalace_add_drawer`\n- mempalace:mempalace/mempalace_check_duplicate: `mcp__mempalace_mempalace_mempalace_check_duplicate`\n- mempalace:mempalace/mempalace_delete_drawer: `mcp__mempalace_mempalace_mempalace_delete_drawer`\n- mempalace:mempalace/mempalace_diary_read: `mcp__mempalace_mempalace_mempalace_diary_read`\n- mempalace:mempalace/mempalace_diary_write: `mcp__mempalace_mempalace_mempalace_diary_write`\n- mempalace:mempalace/mempalace_find_tunnels: `mcp__mempalace_mempalace_mempalace_find_tunnels`\n- mempalace:mempalace/mempalace_get_aaak_spec: `mcp__mempalace_mempalace_mempalace_get_aaak_spec`\n- mempalace:mempalace/mempalace_get_taxonomy: `mcp__mempalace_mempalace_mempalace_get_taxonomy`\n- mempalace:mempalace/mempalace_graph_stats: `mcp__mempalace_mempalace_mempalace_graph_stats`\n- mempalace:mempalace/mempalace_kg_add: `mcp__mempalace_mempalace_mempalace_kg_add`\n- mempalace:mempalace/mempalace_kg_invalidate: `mcp__mempalace_mempalace_mempalace_kg_invalidate`\n- mempalace:mempalace/mempalace_kg_query: `mcp__mempalace_mempalace_mempalace_kg_query`\n- mempalace:mempalace/mempalace_kg_stats: `mcp__mempalace_mempalace_mempalace_kg_stats`\n- mempalace:mempalace/mempalace_kg_timeline: `mcp__mempalace_mempalace_mempalace_kg_timeline`\n- mempalace:mempalace/mempalace_list_rooms: `mcp__mempalace_mempalace_mempalace_list_rooms`\n- mempalace:mempalace/mempalace_list_wings: `mcp__mempalace_mempalace_mempalace_list_wings`\n- mempalace:mempalace/mempalace_search: `mcp__mempalace_mempalace_mempalace_search`\n- mempalace:mempalace/mempalace_status: `mcp__mempalace_mempalace_mempalace_status`\n- mempalace:mempalace/mempalace_traverse: `mcp__mempalace_mempalace_mempalace_traverse`\n- GenerateImage: `generate_image`\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# 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- 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# 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# AST\nYou SHOULD use syntax-aware tools before text hacks:\n- `ast_grep` for structural discovery.\n\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\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\nAnswer questions about external libraries, frameworks, and APIs by reading source code and official documentation.\n\n<critical>\nYou MUST ground every claim in source code or official documentation. You NEVER rely on training data for API details — it may be stale or wrong.\nYou MUST operate as read-only on the user's project. You NEVER modify any project files.\n</critical>\n\n<procedure>\n## 1. Classify the request\n- **Conceptual**: \"How do I use X?\", \"Best practice for Y?\" — Prioritize types, docs, and usage examples.\n- **Implementation**: \"How does X implement Y?\", \"Show me the source of Z\" — Clone and read the actual code.\n- **Behavioral**: \"Why does X behave this way?\", \"What's the default for Y?\" — Read implementation, find where values are set, check tests.\n\n## 2. Locate the source (local first)\n- **Check local dependencies first**: Look in `node_modules/<package>`, `vendor/`, or similar. If the library is already installed, read it there — no clone needed. Prioritize `.d.ts` type definitions and exported types.\n- **Otherwise clone**: Use `web_search` to find the canonical repo, then `git clone --depth 1 <url> /tmp/librarian-<name>`.\n- **For a specific version**: Clone then `git checkout tags/<version>`, or read the locally installed version.\n\n## 3. Investigate\n- Read `package.json`, `Cargo.toml`, or equivalent for version info and entry points.\n- Use `grep`, `glob`, and `ast_grep` to locate relevant source, type definitions, and docs. Parallelize searches.\n- Read the actual implementation — not just README examples. READMEs are aspirational; source code is truth.\n- For behavior questions: trace through the implementation. Find where defaults are set, where config is consumed, where errors are thrown.\n- Check tests for usage examples and edge case behavior — tests are the most honest documentation.\n\n## 4. Verify\n- Cross-reference at least two locations (types + implementation, or source + tests).\n- If the answer involves defaults, find where the default is actually set in code — not where the docs say it is.\n- For API signatures: copy verbatim from source. You NEVER paraphrase or reconstruct from memory.\n\n## 5. Report\n- Call `yield` with structured findings.\n- Every `sources` entry MUST include a verbatim excerpt.\n- The `api` array MUST contain exact signatures copied from source.\n- Clean up cloned repos: `rm -rf /tmp/librarian-*`.\n</procedure>\n\n<directives>\n- You SHOULD invoke tools in parallel — search multiple paths simultaneously.\n- You MUST include the exact version you investigated in the `version` field.\n- If the library has breaking changes between versions relevant to the question, you MUST populate `breaking_changes`.\n- If you discover undocumented behavior or gotchas, you MUST populate `caveats`.\n- You SHOULD use `web_search` to check for known issues, but the definitive answer MUST come from reading source code.\n- If a search or lookup returns empty or unexpectedly few results, you MUST try at least 2 fallback strategies (broader query, alternate path, different source) before concluding nothing exists.\n- If the package is absent from local `node_modules` and cloning fails, you MUST fall back to `web_search` for official API documentation before reporting failure.\n</directives>\n\n<critical>\nSource code is truth. Documentation is aspiration. Training data is history.\nYou MUST keep going until you have a definitive, source-verified answer.\n</critical>\n\nYou are specializing as: **Open-source Terminal Librarian**. Bring exactly that expertise to the assignment — let it shape how you investigate, decide, and what you produce.\n\nCONTEXT\n===================================\n\n# Goal\nDetermine whether open-source GitHub project ogulcancelik/herdr contains terminal rendering, PTY, differential screen, cleanup, or ANSI techniques useful to SPT stale-cell bugs.\n# Constraints\nRead-only external source research. Prefer upstream repository source and cite exact URLs/files/commits. Skip tests and edits.\n# Contract\nDistinguish directly reusable patterns from irrelevant architecture.\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 `HerdrTerminalResearch`. Currently visible peers:\n- `Main` — main (main, running)\n- `RefreshLifecycle` — Daemon Lifecycle Investigator (sub, parked)\n- `PtyControl` — PTY Transport Investigator (sub, parked)\n- `ReproHarness` — Integration Test Investigator (sub, parked)\n- `HyphenMessage` — CLI Parsing Investigator (sub, parked)\n- `ElevatedRc` — Remote Control Investigator (sub, parked)\n- `ElevatedMessaging` — Messaging Lifecycle Investigator (sub, parked)\n- `RcSplitBrain` — Registry Session Investigator (sub, parked)\n- `ElevatedHosted` — Windows Token Investigator (sub, parked)\n- `ShortformDifferential` — Delivery Differential Investigator (sub, parked)\n- `AdapterFreshSemantics` — Claude Adapter Investigator (sub, parked)\n- `PerriDurableState` — State Forensics Investigator (sub, parked)\n- `CoreFreshSemantics` — Core Lifecycle Investigator (sub, parked)\n- `RestStateRca` — Endpoint Lifecycle Investigator (sub, parked)\n- `CreateNoopRca` — CLI Semantics Investigator (sub, parked)\n- `ControlledStampRca` — Broker Control-State Investigator (sub, parked)\n- `EmphRestartRca` — Daemon Restart Investigator (sub, parked)\n- `HarnessExitRca` — Harness Lifecycle Investigator (sub, parked)\n- `V034DiffRca` — Regression Archaeologist (sub, parked)\n- `V034ReleaseRca` — Release Contract Investigator (sub, parked)\n- `LiveLogRca` — Runtime Telemetry Investigator (sub, parked)\n- `PtyPathRca` — PTY Concurrency Investigator (sub, parked)\n- `BrokerCpuRca` — Broker Concurrency Investigator (sub, parked)\n- `RedispatchCpuRca` — Release Regression Investigator (sub, parked)\n- `BrainCpuRca` — Brain Performance Investigator (sub, parked)\n- `ResidualBrainCpu` — Performance Regression Investigator (sub, parked)\n- `AdapterIdentityDiff` — Adapter Lifecycle Investigator (sub, parked)\n- `CoreSeedBoundary` — Core Security Reviewer (sub, parked)\n- `PickerWhitespaceRca` — Terminal TUI Investigator (sub, running)\n- `RcWhitespaceRca` — PTY Protocol Investigator (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`.\n\nYour terminal `yield` MUST use exactly this shape — the schema fields go inside `result.data`, NEVER at the top level and NEVER as a stringified summary:\n```ts\nresult: {\n  data: {\n    answer: string;\n    sources: Array<{\n    repo: string;\n    path: string;\n    line_start: unknown;\n    line_end: unknown;\n    excerpt: string;\n  }>;\n    api: Array<{ signature: string; description: string; }>;\n    version: string;\n    breaking_changes?: string[];\n    caveats?: string[];\n  };\n}\n```\n\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 2026-07-18, and the current working directory is 'C:/Users/decid/Documents/projects/spt-core'.\n\n<critical>\n- Each response MUST advance the task. 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{"type":"message","id":"0604bae3","parentId":"8b37e391","timestamp":"2026-07-18T09:04:41.034Z","message":{"role":"toolResult","toolCallId":"call_F6tSz0CjRPc576mCeGKm1MAZ|fc_0784f445f025ad6b016a5b419a6aa4819aa26761769c3aa0b3","toolName":"web_search","content":[{"type":"text","text":"You’re looking for **Herdr** by **ogulcancelik**:\n\n**GitHub:** https://github.com/ogulcancelik/herdr\n\n**What it is:** Herdr is a **terminal TUI / terminal multiplexer for AI coding agents**. It runs inside your existing terminal and gives you workspaces, tabs, panes, mouse support, detach/reattach sessions, and agent status tracking like blocked / working / done. The repo describes it as an “agent multiplexer that lives in your terminal” and emphasizes “real terminal views” rather than a GUI wrapper. \n\n## Key points\n\n- **TUI terminal app**, not Electron or a web dashboard.\n- Written mostly in **Rust**.\n- Uses panes/tabs/workspaces like a modern tmux-style multiplexer.\n- Designed for running multiple AI agents such as Claude Code, Codex, opencode, etc.\n- Supports persistent background sessions: detach with `ctrl+b q`, reattach by running `herdr`.\n- Has a **socket API** so agents/tools can spawn panes, read output, and coordinate.\n- Latest GitHub release shown: **v0.7.4**, dated **July 15, 2026**. \n\n## Install\n\n```bash\ncurl -fsSL https://herdr.dev/install.sh | sh\n```\n\nOr with Homebrew:\n\n```bash\nbrew install herdr\n```\n\nThen run:\n\n```bash\nherdr\n```\n\n## Build from source\n\n```bash\ngit clone https://github.com/ogulcancelik/herdr\ncd herdr\ncargo build --release\n./target/release/herdr\n```\n\n## PTY / terminal relevance\n\nHerdr is relevant to **PTY/TUI** workflows because it manages real terminal panes for running processes, rather than simulating agent output in a web UI. Recent release notes also mention PTY-related improvements, including reduced PTY polling for idle panes in v0.7.0 release summaries. \n\nLicense: **AGPL-3.0-or-later** with commercial licensing available.\n\n## Sources\n2 sources\n[1] https://github.com/ogulcancelik/herdr\n    https://github.com/ogulcancelik/herdr\n[2] https://herdr.dev/install.sh\n    https://herdr.dev/install.sh"}],"details":{"response":{"provider":"codex","answer":"You’re looking for **Herdr** by **ogulcancelik**:\n\n**GitHub:** https://github.com/ogulcancelik/herdr\n\n**What it is:** Herdr is a **terminal TUI / terminal multiplexer for AI coding agents**. It runs inside your existing terminal and gives you workspaces, tabs, panes, mouse support, detach/reattach sessions, and agent status tracking like blocked / working / done. The repo describes it as an “agent multiplexer that lives in your terminal” and emphasizes “real terminal views” rather than a GUI wrapper. \n\n## Key points\n\n- **TUI terminal app**, not Electron or a web dashboard.\n- Written mostly in **Rust**.\n- Uses panes/tabs/workspaces like a modern tmux-style multiplexer.\n- Designed for running multiple AI agents such as Claude Code, Codex, opencode, etc.\n- Supports persistent background sessions: detach with `ctrl+b q`, reattach by running `herdr`.\n- Has a **socket API** so agents/tools can spawn panes, read output, and coordinate.\n- Latest GitHub release shown: **v0.7.4**, dated **July 15, 2026**. \n\n## Install\n\n```bash\ncurl -fsSL https://herdr.dev/install.sh | sh\n```\n\nOr with Homebrew:\n\n```bash\nbrew install herdr\n```\n\nThen run:\n\n```bash\nherdr\n```\n\n## Build from source\n\n```bash\ngit clone https://github.com/ogulcancelik/herdr\ncd herdr\ncargo build --release\n./target/release/herdr\n```\n\n## PTY / terminal relevance\n\nHerdr is relevant to **PTY/TUI** workflows because it manages real terminal panes for running processes, rather than simulating agent output in a web UI. Recent release notes also mention PTY-related improvements, including reduced PTY polling for idle panes in v0.7.0 release summaries. \n\nLicense: **AGPL-3.0-or-later** with commercial licensing available.","sources":[{"title":"https://github.com/ogulcancelik/herdr","url":"https://github.com/ogulcancelik/herdr"},{"title":"https://herdr.dev/install.sh","url":"https://herdr.dev/install.sh"}],"usage":{"inputTokens":11291,"outputTokens":613,"totalTokens":14464},"model":"gpt-5.5","requestId":"resp_03e45a0c8a758cdb016a5b419b3e40819a81c26583d8ebaf8b"}},"isError":false,"timestamp":1784365481034}}
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{"type":"message","id":"6275e599","parentId":"7d9f0b69","timestamp":"2026-07-18T09:04:54.372Z","message":{"role":"toolResult","toolCallId":"call_MS2SmSvAMQWQrAVtDcgXlLYC|fc_0784f445f025ad6b016a5b41b64cfc819abc79f0ab7dc91794","toolName":"read","content":[{"type":"text","text":"[package]\nname = \"herdr\"\nversion = \"0.7.4\"\nedition = \"2021\"\nbuild = \"build.rs\"\ndescription = \"terminal workspace manager for AI coding agents\"\nlicense = \"AGPL-3.0-or-later\"\nrepository = \"https://github.com/ogulcancelik/herdr\"\nhomepage = \"https://herdr.dev\"\nkeywords = [\"terminal\", \"tui\", \"ai\", \"agents\", \"multiplexer\"]\ncategories = [\"command-line-utilities\"]\ninclude = [\n    \"src/**/*\",\n    \"assets/sounds/*\",\n    \"docs/next/api/herdr-api.schema.json\",\n    \"README.md\",\n    \"LICENSE\",\n    \"Cargo.toml\",\n]\n\n[dependencies]\nbase64 = \"0.22.1\"\nbincode = { version = \"2\", features = [\"serde\"] }\nbytes = \"1\"\nclap = { version = \"4.5\", default-features = false, features = [\"std\"] }\nclap_complete = \"4.5\"\ncrossterm = \"0.29\"\nctrlc = \"3\"\ninterprocess = \"2.4.2\"\nlibc = \"0.2\"\nportable-pty = \"=0.9.0\"\npng = \"0.17\"\nratatui = { version = \"0.30\", features = [\"unstable-rendered-line-info\"] }\nregex = \"1\"\nserde = { version = \"1\", features = [\"derive\"] }\nserde_json = \"1\"\nsha2 = \"0.10\"\ntokio = { version = \"1\", features = [\"rt-multi-thread\", \"macros\", \"sync\", \"time\"] }\ntoml = \"0.8\"\ntracing = \"0.1.44\"\ntracing-subscriber = { version = \"0.3.23\", features = [\"env-filter\"] }\nunicode-width = \"0.2\"\nschemars = { version = \"1.2.1\", features = [\"derive\"] }\n\n[patch.crates-io]\nportable-pty = { path = \"vendor/portable-pty\" }\n\n[target.'cfg(windows)'.dependencies]\nwindows-sys = { version = \"0.61.2\", features = [\n    \"Wdk_System_Threading\",\n    \"Win32_Foundation\",\n    \"Win32_System_DataExchange\",\n    \"Win32_System_Diagnostics_Debug\",\n    \"Win32_System_Diagnostics_ToolHelp\",\n    \"Win32_System_Console\",\n    \"Win32_System_JobObjects\",\n    \"Win32_System_Kernel\",\n    \"Win32_System_Memory\",\n    \"Win32_System_Ole\",\n    \"Win32_System_Pipes\",\n    \"Win32_System_Threading\",\n    \"Win32_UI_Shell\",\n    \"Win32_UI_WindowsAndMessaging\",\n] }\n"}],"details":{"displayContent":{"text":"[package]\r\nname = \"herdr\"\r\nversion = \"0.7.4\"\r\nedition = \"2021\"\r\nbuild = \"build.rs\"\r\ndescription = \"terminal workspace manager for AI coding agents\"\r\nlicense = \"AGPL-3.0-or-later\"\r\nrepository = \"https://github.com/ogulcancelik/herdr\"\r\nhomepage = \"https://herdr.dev\"\r\nkeywords = [\"terminal\", \"tui\", \"ai\", \"agents\", \"multiplexer\"]\r\ncategories = [\"command-line-utilities\"]\r\ninclude = [\r\n    \"src/**/*\",\r\n    \"assets/sounds/*\",\r\n    \"docs/next/api/herdr-api.schema.json\",\r\n    \"README.md\",\r\n    \"LICENSE\",\r\n    \"Cargo.toml\",\r\n]\r\n\r\n[dependencies]\r\nbase64 = \"0.22.1\"\r\nbincode = { version = \"2\", features = [\"serde\"] }\r\nbytes = \"1\"\r\nclap = { version = \"4.5\", default-features = false, features = [\"std\"] }\r\nclap_complete = \"4.5\"\r\ncrossterm = \"0.29\"\r\nctrlc = \"3\"\r\ninterprocess = \"2.4.2\"\r\nlibc = \"0.2\"\r\nportable-pty = \"=0.9.0\"\r\npng = \"0.17\"\r\nratatui = { version = \"0.30\", features = [\"unstable-rendered-line-info\"] }\r\nregex = \"1\"\r\nserde = { version = \"1\", features = [\"derive\"] }\r\nserde_json = \"1\"\r\nsha2 = \"0.10\"\r\ntokio = { version = \"1\", features = [\"rt-multi-thread\", \"macros\", \"sync\", \"time\"] }\r\ntoml = \"0.8\"\r\ntracing = \"0.1.44\"\r\ntracing-subscriber = { version = \"0.3.23\", features = [\"env-filter\"] }\r\nunicode-width = \"0.2\"\r\nschemars = { version = \"1.2.1\", features = [\"derive\"] }\r\n\r\n[patch.crates-io]\r\nportable-pty = { path = \"vendor/portable-pty\" }\r\n\r\n[target.'cfg(windows)'.dependencies]\r\nwindows-sys = { version = \"0.61.2\", features = [\r\n    \"Wdk_System_Threading\",\r\n    \"Win32_Foundation\",\r\n    \"Win32_System_DataExchange\",\r\n    \"Win32_System_Diagnostics_Debug\",\r\n    \"Win32_System_Diagnostics_ToolHelp\",\r\n    \"Win32_System_Console\",\r\n    \"Win32_System_JobObjects\",\r\n    \"Win32_System_Kernel\",\r\n    \"Win32_System_Memory\",\r\n    \"Win32_System_Ole\",\r\n    \"Win32_System_Pipes\",\r\n    \"Win32_System_Threading\",\r\n    \"Win32_UI_Shell\",\r\n    \"Win32_UI_WindowsAndMessaging\",\r\n] }\r\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]},"meta":{"source":{"type":"path","value":"C:/Windows/Temp/librarian-herdr/Cargo.toml"}}},"isError":false,"timestamp":1784365494372}}
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{"type":"message","id":"50d9b89f","parentId":"446105dd","timestamp":"2026-07-18T09:04:54.428Z","message":{"role":"toolResult","toolCallId":"call_SWu3pFiBKEZ2bKM20U5C3Nui|fc_0784f445f025ad6b016a5b41b64d08819aa8ac0070f5ea015c","toolName":"glob","content":[{"type":"text","text":"# C:/Windows/Temp/librarian-herdr/\n## vendor/portable-pty/\n### src/\nunix.rs\nlib.rs\nserial.rs\ncmdbuilder.rs\n#### win/\npsuedocon.rs\nmod.rs\nprocthreadattr.rs\nconpty.rs\n### examples/\nwhoami_async.rs\nnarrow.rs\nwhoami.rs\nbash.rs\n## tests/\nserver_headless.rs\nlive_handoff.rs\nmulti_client.rs\ndetach_reattach.rs\ncross_area.rs\ncli_wrapper.rs\nclient_mode.rs\nauto_detect.rs\napi_ping.rs\n### support/\nmod.rs\n## src/\nworktree.rs\nworkspace.rs\nupdate.rs\nterminal_theme.rs\nui.rs\nterminal_notify.rs\nterminal_modes.rs\nsession.rs\nsound.rs\nselection.rs\nrender_prof.rs\nrelease_notes.rs\nremote.rs\nraw_input.rs\nplugin_paths.rs\npopup_size.rs\nproduct_announcements.rs\nplugin_command.rs\npersist.rs\npane.rs\nnoninteractive_process.rs\nlogging.rs\nmain.rs\nmetadata_tokens.rs\nipc.rs\nkitty_graphics.rs\nlayout.rs\nhandoff_runtime.rs\nevents.rs\nconfig.rs\nbuild_info.rs\nchecksum.rs\ncli.rs\n### workspace/\ntab.rs\naggregate.rs\n#### git/\nconfig_tests.rs\ndiscovery.rs\nmod.rs\nstatus.rs\ntest_support.rs\nconfig.rs\n### ui/\nwidgets.rs\ntabs.rs\ntext.rs\nstatus.rs\ntab_surface.rs\nsettings.rs\nsidebar.rs\nonboarding.rs\npanes.rs\nrelease_notes.rs\nscrollbar.rs\nmobile.rs\nnavigator.rs\nmenus.rs\nkeybind_help.rs\ndialogs.rs\n#### sidebar/\ntokens.rs\n### terminal/\nstate.rs\ntitle.rs\nruntime.rs\nruntime_registry.rs\nid.rs\nmetadata.rs\nmod.rs\n### server/\nterminal_attach.rs\nrender_stream.rs\nsocket_paths.rs\nkeybindings.rs\nmod.rs\nnotifications.rs\nheadless.rs\nclipboard_image.rs\nhandoff.rs\nclient_transport.rs\nclients.rs\nautodetect.rs\nclient_accept.rs\n#### headless/\npane_graphics.rs\n##### tests/\npane_graphics.rs\n### remote/\nunix.rs\n### pty/\nfd.rs\nmod.rs\nbackend.rs\nactor.rs\n#### actor/\nunix.rs\n#### backend/\nunix.rs\n### protocol/\nwire.rs\nmod.rs\nrender_ansi.rs\n### platform/\nlinux.rs\nmacos.rs\nmod.rs\nwindows.rs\nfallback.rs\n### persist/\nrestore.rs\nsnapshot.rs\nio.rs\nplugin_registry.rs\n### pane/\nxtgettcap.rs\nterminal.rs\nosc.rs\nstate.rs\nagent_detection.rs\ncursor.rs\ninput.rs\nkitty_keyboard.rs\n#### terminal/\nwindows_recent_fallback.rs\n### integration/\ntests.rs\ntypes.rs\nversion.rs\nregistry.rs\ntargets.rs\ncommand.rs\nconfig_edit.rs\nenv.rs\nfile_ops.rs\nmod.rs\nactions.rs\n### input/\nparse.rs\nmodel.rs\nencode.rs\nmod.rs\n### ghostty/\nmod.rs\nbindings.rs\n### detect/\nmod.rs\nmanifest_update.rs\nmanifest.rs\n#### manifest/\ntests.rs\n### config/\nsound.rs\ntheme.rs\nsidebar.rs\nkeybinds.rs\nmodel.rs\nio.rs\n### client/\nmod.rs\ninput.rs\n#### input/\nwindows_vti.rs\n### cli/\nworkspace.rs\nworktree.rs\nstatus.rs\ntab.rs\nspec.rs\nruntime.rs\nserver.rs\nprotocol_guard.rs\npane.rs\nplugin.rs\nnotification.rs\ncompletion.rs\nintegration.rs\napi.rs\nagent.rs\n### app/\nterminal_titles.rs\ntheme_sync.rs\nworktrees.rs\nsession.rs\nstate.rs\nterminal_targets.rs\npopup.rs\nruntime.rs\nruntime_mutations.rs\nmod.rs\ncreation.rs\nids.rs\nconfig_io.rs\napi_helpers.rs\n#### input/\nterminal.rs\nsettings.rs\nsidebar.rs\noverlays.rs\nselection.rs\nnavigate.rs\nmouse.rs\nmod.rs\nmodal.rs\ncopy_mode.rs\n#### api/worktrees/\ndeferred.rs\n\n[200 results limit reached. Use limit=400 for 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{"type":"message","id":"af98901a","parentId":"50d9b89f","timestamp":"2026-07-18T09:04:55.297Z","message":{"role":"toolResult","toolCallId":"call_zIPi4DJQLjARuQuGB7Ofsfcc|fc_0784f445f025ad6b016a5b41b64d10819aa14d758afd81bdda","toolName":"grep","content":[{"type":"text","text":"# C:/Windows/Temp/librarian-herdr/\n## AGENTS.md\n 2|\n*3|Terminal based agent runtime for coding agents.\n 4|\n 5|## Scope and Audience\n 6|\n...\n 27|\n*28|- **State is separated from runtime.** `AppState` is pure data, testable without PTYs or async. `PaneState` is separate from `PaneRuntime`. Workspace logic doesn't need real terminals.\n 29|- **Render is pure.** `compute_view()` handles geometry and mutations. `render()` takes `&AppState` and only draws. Never mutate state during render.\n 30|- **No god objects.** If a module is doing too many things, split it. `app/` is already split into state, actions, and input. Keep it that way.\n 31|- **Platform code is isolated.** OS-specific behavior lives in the matching `src/platform/<os>.rs` file, with only shared traits, types, wrappers, and testable contracts in `src/platform/mod.rs`. Core modules don't have `#[cfg(target_os)]`.\n 32|- **Detection is decoupled.** The detector reads a screen snapshot, never touches the parser or viewport state.\n*33|- **Screen detection is evidence-based.** When changing `src/detect/manifests/`, first capture the relevant bottom-buffer state with `herdr agent read <pane> --source detection --format text` and, when styling or alternate screen behavior matters, `--format ansi`. Decide which visible controls are invariant, which are alternatives, and encode them as explicit AND/OR gates. Do not match whole-pane incidental text, and do not use the user-visible viewport for agent status because users can scroll it.\n 34|- **UI patterns should be reused.** Herdr is a mouse-first TUI. New dialogs, onboarding, settings, and post-update flows should follow the existing UI/UX language and interaction patterns instead of inventing one-off screens. Prefer reusing existing modal/screen structure, affordances, and close actions so the app feels consistent.\n 35|\n 36|### Runtime/client boundary guardrail\n...\n 48|\n*49|- Pane/agent metadata, process state, terminal state, events: server/runtime.\n 50|- Sidebar layout, token placement, colors, selection, modals, mouse/viewport state: TUI/client.\n 51|- Workspace/tab/pane remain shared session organization for now, but avoid making them mandatory identity for unrelated runtime features.\n 52|\n...\n 93|\n*94|Unit tests live next to the code (`#[cfg(test)] mod tests`). New `AppState` or `Workspace` behavior should be testable with `AppState::test_new()` and `Workspace::test_new()` without PTYs.\n 95|\n*96|For broad refactors or release-risk regressions, classify the risk before editing. Treat changes as refactor-risk when they touch two or more core surfaces, persisted state, protocol/API IDs, workspace/tab/pane identity, restore/handoff, agent detection authority, or UI/input state projection. Before moving code, identify the protected behavior and add or name characterization tests. Identity/state refactors should use the test-only invariants `AppState::assert_invariants_for_test()` or `Workspace::asser...\n 97|\n 98|When testing a new Herdr build from inside an existing Herdr session, use\n*99|`cargo run -- ...` and clear inherited Herdr socket overrides so the debug\n 100|binary talks to the debug `herdr-dev` server instead of the installed stable\n 101|server:\n 102|\n...\n 232|\n*233|Before opening an issue, opening a PR, or pushing branches to this repository, detect the acting GitHub account when possible. Check `gh auth status`, the configured git remote, or the available environment context. If the acting account is not `ogulcancelik`, treat the human as an *external contributor* unless this is clearly a private or custom fork.\n 234|\n 235|External contributors must follow `CONTRIBUTING.md` strictly. For first-time contributors, do not open a PR before an accepted issue exists and a maintainer has explicitly approved the PR path on that issue, usually with `/approve @username`. Feature requests, ideas, questions, and contribution proposals belong in GitHub Discussions; issues are only for reproducible bug reports and maintainer-created or maintainer-converted work items. If a discussion is accepted, a maintainer may convert it into an issu...\n 236|\n*237|If you are helping an external contributor, never open a GitHub issue for them. Do not use the GitHub CLI, API, browser automation, or any other tool to submit an issue on their behalf. Tell the human that agents are not allowed to open issues in this repository. You may help them draft a short report that follows `CONTRIBUTING.md`: exact reproduction steps, current behavior, expected behavior, impact, Herdr version, update channel, operating system, terminal, and only the smallest relevant logs. If the ...\n## CHANGELOG.md\n 7|### Added\n*8|- Added session-modal popup floating terminal panes for `type = \"popup\"` custom command keybindings and plugin panes, with optional cell or percentage sizing and no changes to the tiled tab layout. (#1125)\n 9|- Added `ui.copy_on_select` to disable automatic clipboard copying after mouse selection while keeping the selection visible.\n 10|- Added configurable row layouts for expanded Space and Agent sidebar entries, including built-in display tokens, per-agent overrides, custom metadata tokens, and pane/workspace metadata reporting through the CLI and socket API.\n 11|- Added independent `row_gap` settings for expanded Space and Agent sidebar entries.\n...\n 13|- Added Maki agent support. (#1301, #1302, thanks @tontinton)\n*14|- Added a searchable, version-matched configuration reference and a troubleshooting guide covering duplicate terminal key events, modified-arrow shell bindings, updates, remote access, and logs. (#1116, #1370)\n 15|\n 16|### Changed\n*17|- Expanded Space and Agent sidebar entries now use a packed layout by default; set the corresponding `row_gap` to `1` to restore the previous spacing.\n 18|- Refreshed the bundled Herdr agent skill for current public workspace, tab, and pane ids and the current CLI/API workflow. (#1297)\n 19|- Expanded Japanese and Simplified Chinese CLI documentation with shell completion setup and API schema usage. (#1151)\n 20|\n...\n 22|- Collapsed Agent sidebar rows now follow the same ordering and click targets as the expanded panel, and their shortcut numbers are assigned by visible list position instead of repeating across workspaces. (#1168, #1344)\n*23|- Shifted indexed bindings such as `prefix+shift+1..9` now match terminals that report the corresponding punctuation characters. (#1184)\n 24|- Plugin-driven tab renames now immediately refresh tab-bar geometry and labels. (#1111, #1179, thanks @kovalov)\n 25|- New tabs, splits, layouts, and workspaces configured to follow the foreground directory now start from the focused pane's current working directory. (#1245)\n 26|- Amp, Codex, and Claude Code detection now recognizes current active-turn UI variants, including reordered Codex title spinners and Claude `/btw` turns. (#1208, #1281, #1366)\n...\n 31|- The Windows installer no longer rewrites an existing config file or creates a duplicate onboarding line during first-run setup. (#1162)\n*32|- Config diagnostics now reach CLI-only and attached-client startup paths reliably and clearly identify fallback configuration behavior.\n 33|- Detached custom command children are now reaped after exit instead of accumulating zombie processes. (#1360)\n 34|- Renamed single tabs now remain visible in the Agents sidebar instead of losing their tab label. (#1369)\n 35|- Documentation search results are now scoped to the active locale and stable or preview channel.\n...\n 40|- Single-codepoint emoji chosen from the Windows emoji picker now reach panes when WezTerm's kitty keyboard support sends them as CSI-u events with associated text. (#1404)\n*41|- Outer-terminal focus gained and lost reports now reach the focused pane when its application enables focus reporting, restoring Neovim file autoreload and other focus-aware terminal behavior. (#1337)\n*42|- Native Windows servers now detach from the terminal console that launched them, so closing WezTerm, Windows Terminal, or another host terminal no longer stops persistent pane processes. (#1329)\n 43|- Windows API clients now remain connected while waiting for initial named-pipe request bytes, so `status server`, `api snapshot`, and other socket commands no longer intermittently fail with BrokenPipe. (#1279)\n 44|- `herdr --remote` now installs remote helper binaries without routing the binary stream through a multiline `/bin/sh -c` command, fixing installs for non-POSIX login shells such as xonsh. (#1203, thanks @nhumrich)\n 45|\n...\n 51|- Windows foreground-process detection now ignores cyclic process-parent snapshots instead of growing memory until the server aborts. (#1083)\n*52|- Terminal redraws now hide the cursor inside synchronized output, reducing focused-pane cursor flicker during active redraws. (#967)\n 53|- Headless render streams no longer scan visible plain-text URLs during rendering, reducing redraw work while preserving OSC 8 hyperlink metadata.\n 54|- The workspace picker once again honors navigate-mode workspace up/down keys, including custom bindings, after `prefix+w`. (#1149)\n 55|\n...\n 58|### Added\n*59|- Added MastraCode integration support with lifecycle state reports and native thread restore. (#337, #788, thanks @wardpeet)\n 60|- Added `ui.sidebar_collapsed_mode = \"hidden\"` to make a collapsed sidebar use zero width while keeping the existing compact rail as the default. (#842)\n 61|- Added `herdr completion <shell>` / `herdr completions <shell>` to generate shell completion scripts for bash, elvish, fish, PowerShell, and zsh. (#435)\n 62|- Added `session.snapshot` to bootstrap client runtime state in one socket API response before subscribing to events.\n 63|- Added `herdr api schema` to inspect the bundled socket API schema, with `--json` for the full JSON Schema document and `--output PATH` for file output.\n*64|- Added `layout.updated` socket events so protocol clients can keep tab layout snapshots current after pane split, resize, swap, move, zoom, and layout mutations.\n 65|- Added pane scroll metrics to pane socket API responses and `pane.scroll_changed` subscriptions for clients that need to show when a pane is scrolled back.\n*66|- Added `herdr terminal session observe` for read-only live ANSI terminal streams that bridge processes can consume as newline-delimited JSON.\n*67|- Added `herdr terminal session control` for bridge processes that need live ANSI frames plus input, resize, scroll, release, and takeover authority.\n 68|- Added `ui.hide_tab_bar_when_single_tab` to hide the tab row when a workspace has one tab. (#448)\n 69|- Added Japanese and Simplified Chinese website docs.\n 70|\n 71|### Changed\n*72|- The mobile switcher now starts from an agents-first summary and renders worktrees as a tree, making narrow terminals easier to scan.\n*73|- macOS prefix input-source switching now runs on the foreground client, so non-Latin input sources are restored reliably after prefix mode. (#774, #1016, thanks @ppggff)\n 74|- Nix packaging now uses `xcbuild` instead of custom Apple SDK wrappers for Darwin builds. (#995, thanks @arunoruto)\n 75|\n 76|### Fixed\n...\n 85|- GitHub Copilot CLI detection now recognizes the newer Esc interrupt prompt as working. (#1119, #1120, thanks @LaneBirmingham)\n*86|- Unix local Herdr clients no longer treat empty bracketed paste as a clipboard-image bridge; `herdr --remote` keeps using it for local-desktop image paste over SSH. (#986)\n 87|- Custom command keybindings now run through `cmd.exe /d /c` on Windows instead of `/bin/sh`, so `type = \"pane\"` and `type = \"shell\"` bindings can launch native Windows commands. (#1041)\n 88|- Plain PageUp/PageDown now reach primary-screen pager apps such as `less -X` and Git diff when they enter application cursor mode, while shell transcripts still use Herdr pane scrollback. (#953)\n*89|- Copy mode now supports Ctrl-page navigation, keeps the Herdr prefix key available while copying, and restores the copy context correctly after prefix commands. (#681, #885, #1092, thanks @reobin)\n 90|- `prefix+e` scrollback editor panes now open on Windows without trying to run `/bin/sh`; Windows uses `VISUAL`, then `EDITOR`, then `notepad.exe` as the fallback editor. (#914)\n 91|- `herdr pane split --current` now resolves to the calling Herdr pane instead of the UI-focused pane when run inside a pane. (#902)\n*92|- Native Windows clients running inside Alacritty now preserve mouse reports and `ctrl+j` input instead of leaking mouse escape sequences into panes. `shift+enter` remains dependent on whether the outer terminal reports it as a distinct modified Enter key. (#792)\n 93|- Windows clients now preserve bracketed paste, Backspace, modifier-only keys, host cursor drawing, native clipboard copies, recent pane reads, and wait connections across the native input path. (#670, #795, #907, #920, #930, #962, #963, #1067)\n 94|- New tabs and workspaces now follow the focused pane's current directory more reliably, including PowerShell panes that report cwd through prompt shell integration on Windows. (#912, #919)\n 95|- Pi and OMP integration state now survives internal session reloads, recovers after resumed sessions such as `omp -c`, and reports Ask/tool approval waits as blocked instead of leaving the pane working or stuck on the previous session. (#800, #879, #984, thanks @dmmulroy)\n...\n 98|- Remote attach now discovers compatible Homebrew, mise, and Nix profile installs before offering to install a sidecar binary to `~/.local/bin/herdr`. (#840)\n*99|- `herdr --remote` sessions now keep the remote server in its own login-independent session and preserve compatible running servers after helper binary updates, so network drops should disconnect only the client instead of killing remote panes.\n 100|- `herdr --remote` now reuses one OpenSSH connection across setup probes, installs, server checks, and the final bridge when `[remote].manage_ssh_config` is enabled, so password-based hosts prompt once instead of once per setup command. (#888)\n 101|- Foreground agent session reports can now replace stale saved session references, so resumed panes do not stay tied to an older agent session. (#943)\n 102|- Kitty graphics panes now repaint streaming image updates reliably and delete replaced host images instead of leaking them. (#947, #948, thanks @DevSrSouza)\n...\n 105|- CJK pane border labels, compact keybinding help ranges, and active auto-named tabs now measure by display width, avoiding broken alignment and unreadable labels. (#799, #810, #817, #829)\n*106|- Ctrl+/ is now encoded as Ctrl+_, matching terminal expectations for pane apps. (#847)\n 107|- PowerShell panes now stay alive after agent Ctrl+C. (#860)\n 108|- SGR mouse reports no longer leak into pane input after host-side handling. (#939)\n 109|- Wrapped pane links now preserve their target instead of being truncated across soft-wrapped lines. (#1098)\n...\n 131|### Fixed\n*132|- Windows Terminal multiline text paste now reaches pane apps as one bracketed paste, so OMP, Pi, and similar prompts no longer submit each pasted line separately. Plain Esc, Shift+Enter, mouse, focus, resize, and Unicode paste handling are preserved on the Windows client path. (#670)\n 133|- Local Herdr clients no longer treat raw `Ctrl+V` as a clipboard-image paste trigger, so pane apps such as Vim and Neovim receive block-visual `Ctrl+V` even when the desktop clipboard contains an image. `herdr --remote` keeps `keys.remote_image_paste = \"ctrl+v\"` by default. (#647)\n## CONTRIBUTING.md\n 52|\n*53|Bug reports should answer these questions clearly:\n 54|\n 55|- what is the current behavior\n 56|- what is the expected behavior\n...\n 58|- how does this affect you\n*59|- what Herdr version, update channel, OS, and terminal are affected\n 60|- what shell and config are relevant, if any\n 61|\n 62|If there is no reproduction yet, start a discussion instead.\n 63|\n*64|Keep bug reports factual and concise. Report what you personally observed: what you did, what happened, what you expected, and what environment you used. Do not add root-cause analysis, proposed fixes, implementation plans, or diagnosis dumps unless a maintainer asks. If you use AI to help write the issue, use it to make the report clearer and shorter, not longer.\n 65|\n 66|If your proposal changes the visual language, interaction model, workflow, persistence, architecture, or product direction, start a discussion instead.\n 67|\n...\n 113|\n*114|Small bug fixes for accepted issues that clearly match the existing design are good candidates for PRs after approval.\n 115|\n 116|Bigger changes to UI, behavior, interaction patterns, persistence, or architecture need discussion and maintainer approval first.\n 117|\n## Cargo.lock\n 597| \"png\",\n*598| \"portable-pty\",\n 599| \"ratatui\",\n 600| \"regex\",\n 601| \"schemars\",\n...\n 1115|[[package]]\n*1116|name = \"portable-pty\"\n 1117|version = \"0.9.0\"\n 1118|dependencies = [\n 1119| \"anyhow\",\n## Cargo.toml\n 5|build = \"build.rs\"\n*6|description = \"terminal workspace manager for AI coding agents\"\n 7|license = \"AGPL-3.0-or-later\"\n 8|repository = \"https://github.com/ogulcancelik/herdr\"\n 9|homepage = \"https://herdr.dev\"\n*10|keywords = [\"terminal\", \"tui\", \"ai\", \"agents\", \"multiplexer\"]\n 11|categories = [\"command-line-utilities\"]\n 12|include = [\n 13|    \"src/**/*\",\n...\n 30|libc = \"0.2\"\n*31|portable-pty = \"=0.9.0\"\n 32|png = \"0.17\"\n 33|ratatui = { version = \"0.30\", features = [\"unstable-rendered-line-info\"] }\n 34|regex = \"1\"\n...\n 45|[patch.crates-io]\n*46|portable-pty = { path = \"vendor/portable-pty\" }\n 47|\n 48|[target.'cfg(windows)'.dependencies]\n 49|windows-sys = { version = \"0.61.2\", features = [\n## LICENSE\n 42|  A secondary benefit of defending all users' freedom is that\n*43|improvements made in alternate versions of the program, if they\n 44|receive widespread use, become available for other developers to\n 45|incorporate.  Many developers of free software are heartened and\n 46|encouraged by the resulting cooperation.  However, in the case of\n...\n 280|    that supports equivalent copying facilities, provided you maintain\n*281|    clear directions next to the object code saying where to find the\n 282|    Corresponding Source.  Regardless of what server hosts the\n 283|    Corresponding Source, you remain obligated to ensure that it is\n 284|    available for as long as needed to satisfy these requirements.\n## README.md\n 24|\n*25|**agent multiplexer that lives in your terminal.**\n 26|\n*27|- **every agent at a glance** — blocked, working, done. real terminal views, not a wrapped interpretation.\n*28|- **detach, agents keep running** — reattach from any terminal, or over ssh. sessions survive restarts.\n 29|- **agents can use herdr too** — a pure socket api: agents spawn panes, read output, wait on each other. [agent skill →](https://herdr.dev/docs/agent-skill/)\n 30|- **keyboard and mouse, both first-class** — tmux-style prefix keys *and* click, drag, split. pick per moment, not per tool.\n 31|- **plugins** — extend panes and workflows. [browse the marketplace →](https://herdr.dev/plugins/)\n*32|- **one rust binary, no electron** — runs in whatever terminal you already use.\n 33|\n 34|---\n 35|\n...\n 61|\n*62|<a href=\"https://terminaltrove.com/\"><img src=\"assets/sponsors/terminal-trove.png\" alt=\"Terminal Trove\" width=\"200\" /></a>\n 63|\n 64|[**→ become a sponsor**](https://github.com/sponsors/ogulcancelik) · enterprise / partnership: hey@herdr.dev · see [SPONSORS.md](./SPONSORS.md) for tiers. thank you 🐑\n 65|\n## SKILL.md\n 2|name: herdr\n*3|description: \"Control Herdr, a terminal multiplexer for coding agents. Use only when the user explicitly mentions Herdr or asks to use Herdr to inspect or control panes, tabs, workspaces, terminals, commands, or communication with another agent. Do not use merely because a task could benefit from a background terminal, delegation, or parallel work. Requires HERDR_ENV=1.\"\n 4|---\n 5|\n 6|# Herdr\n 7|\n*8|Herdr is a terminal multiplexer and runtime for coding agents. It organizes terminals into workspaces, tabs, and panes, detects agent identity and status, and exposes the running session through the `herdr` CLI.\n 9|\n 10|Before issuing any control command, check that this agent is running inside a Herdr-managed pane:\n 11|\n...\n 17|\n*18|When the check passes, the `herdr` binary in `PATH` talks to the running session. Use it to inspect neighboring work, create isolated terminal contexts, start agents and commands, read their output, and wait for state changes.\n 19|\n 20|## Learn the current CLI\n 21|\n...\n 35|herdr wait\n*36|herdr terminal\n 37|herdr notification\n 38|herdr integration\n 39|herdr session\n...\n 52|- pane: `w1:p1`\n*53|- terminal: `term_...`\n 54|\n 55|The encoded suffix can contain letters and can grow beyond one character. Treat every ID as an opaque string.\n 56|\n...\n 90|\n*91|Focusing a pane, switching to its tab, or regaining outer terminal focus marks the visible tab as seen, so `done` becomes `idle`. Switching away does not turn an existing `idle` status into `done`; `done` is created by a later completion while the pane is unseen. With no foreground client, a new completion in the globally active tab is treated as seen while completions in background tabs still become `done`.\n 92|\n 93|## Start agents interactively\n 94|\n...\n 182|\n*183|Use `--format ansi` when colors and terminal styling are evidence. Otherwise use text.\n 184|\n 185|If the user explicitly asks for another tab, workspace, or worktree, discover that command group and use returned IDs. Do not infer a larger topology from a request to start an agent or command.\n 186|\n\n## .codex/skills/\n\n### herdr-pre-release-audit/references/\n#### pre-release-audit.md\n 11|1. Determine the base ref.\n*12|   - If `$1` is non-empty and looks like a ref/tag, use it.\n 13|   - Otherwise use the latest release tag, preferring the repo's semver tag style:\n 14|     ```bash\n 15|     git describe --tags --abbrev=0\n...\n 59|   - Flag stale entries that do not appear to correspond to shipped changes in the range.\n*60|   - Flag entries that are too implementation-focused or unclear for end users.\n 61|   - Preserve the existing changelog style and sections: `Added`, `Changed`, `Fixed`, `Removed`, and `Breaking Changes` when applicable.\n 62|\n 63|7. Audit next-release public docs.\n\n### triage/\n#### SKILL.md\n 25|- 🟡 `queue`: useful feature, important quality issue, repeated user signal, stale issue that still looks valid, or behavior worth scheduling.\n*26|- 🔵 `defer`: cosmetic polish, low-signal idea, unclear report, docs-only nit, or issue that likely needs more evidence before implementation.\n 27|\n 28|Recommendations should be short imperative phrases: `fix now`, `queue`, `defer`, `needs repro`, `close?`, or `needs owner decision`.\n 29|\n\n## .github/\n\n### DISCUSSION_TEMPLATE/\n#### q-a.yml\n 14|      label: context\n*15|      description: what version, os, terminal, config, or workflow matters here?\n 16|    validations:\n 17|      required: false\n\n### ISSUE_TEMPLATE/\n#### bug.yml\n 61|      label: Environment\n*62|      description: Herdr version, update channel, operating system, and terminal are required. Shell and relevant config are optional.\n 63|      value: |\n 64|        - Herdr version:\n 65|        - Update channel (stable or preview):\n 66|        - Operating system:\n*67|        - Terminal:\n 68|        - Shell, if relevant:\n 69|        - Relevant config, if any:\n 70|    validations:\n#### translation.yml\n 1|name: Translation issue\n*2|description: Report an incorrect or unclear translation in the herdr docs.\n 3|labels: [\"translation\"]\n 4|body:\n 5|  - type: markdown\n...\n 7|      value: |\n*8|        Docs translations are LLM-generated from the English source. Reports about wrong, unclear, or unnatural translations are welcome here.\n 9|\n 10|        For bugs in herdr itself, use the bug report template instead.\n 11|\n...\n 43|      label: What is wrong\n*44|      description: Quote the incorrect or unclear text and explain the problem. Writing in Japanese or Chinese is fine.\n 45|    validations:\n 46|      required: true\n 47|\n\n### workflows/\n#### ci.yml\n 96|\n*97|      - name: Restore Homebrew Zig cache\n 98|        if: runner.os == 'macOS'\n 99|        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4\n 100|        with:\n...\n 102|          key: homebrew-zig-0.15-${{ runner.os }}-${{ runner.arch }}\n*103|          restore-keys: |\n 104|            homebrew-zig-0.15-${{ runner.os }}-\n 105|\n 106|      - name: Install patched Zig on macOS\n...\n 114|\n*115|      - name: Restore Zig build cache\n 116|        if: runner.os == 'macOS' || matrix.kind == 'windows'\n 117|        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4\n 118|        with:\n...\n 120|          key: zig-build-v1-${{ runner.os }}-${{ runner.arch }}-0.15.2-${{ github.run_id }}-${{ github.run_attempt }}\n*121|          restore-keys: |\n 122|            zig-build-v1-${{ runner.os }}-${{ runner.arch }}-0.15.2-\n 123|\n 124|      - name: Install macOS build tools\n...\n 127|\n*128|      - name: Restore cargo cache\n 129|        uses: Swatinem/rust-cache@e18b497796c12c097a38f9edb9d0641fb99eee32 # v2\n 130|        with:\n 131|          cache-bin: false\n...\n 156|\n*157|            Write-Warning \"cargo compile failed; clearing Zig build caches and retrying once\"\n 158|            Remove-Item -Recurse -Force .zig-cache -ErrorAction SilentlyContinue\n 159|            Remove-Item -Recurse -Force vendor/libghostty-vt/.zig-cache -ErrorAction SilentlyContinue\n 160|            Remove-Item -Recurse -Force vendor/libghostty-vt/zig-out -ErrorAction SilentlyContinue\n...\n 168|\n*169|      - name: Smoke ConPTY pane\n 170|        if: matrix.kind == 'windows'\n 171|        shell: pwsh\n 172|        run: |\n...\n 174|          $exe = Join-Path $PWD \"target\\x86_64-pc-windows-msvc\\debug\\herdr.exe\"\n*175|          .\\scripts\\windows_smoke_conpty_path.ps1 -ExePath $exe -Session \"ci-windows-$env:GITHUB_RUN_ID-$env:GITHUB_RUN_ATTEMPT\"\n#### issue-gate.yml\n 46|              {\n*47|                label: 'terminal',\n*48|                pattern: /^\\s*(?:-\\s*)?Terminal:[^\\S\\r\\n]*\\S.*$/im,\n 49|              },\n 50|            ];\n 51|\n...\n 217|              '',\n*218|              'bug reports must include the reproducible-bug confirmation, current behavior, expected behavior, reproduction, impact, and environment fields with herdr version, update channel, operating system, and terminal.',\n 219|              '',\n 220|              'feature requests, ideas, questions, contribution proposals, and direction checks belong in discussions:',\n 221|              `https://github.com/${context.repo.owner}/${context.repo.repo}/discussions`,\n#### preview.yml\n 108|\n*109|      - name: Restore cargo cache\n 110|        if: steps.plan.outputs.should_publish == 'true'\n 111|        uses: Swatinem/rust-cache@e18b497796c12c097a38f9edb9d0641fb99eee32 # v2\n 112|        with:\n...\n 167|\n*168|      - name: Restore Homebrew Zig cache\n 169|        if: runner.os == 'macOS'\n 170|        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4\n 171|        with:\n...\n 173|          key: homebrew-zig-0.15-${{ runner.os }}-${{ runner.arch }}\n*174|          restore-keys: |\n 175|            homebrew-zig-0.15-${{ runner.os }}-\n 176|\n 177|      - name: Install patched Zig on macOS\n#### release.yml\n 95|\n*96|      - name: Restore Homebrew Zig cache\n 97|        if: runner.os == 'macOS'\n 98|        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4\n 99|        with:\n...\n 101|          key: homebrew-zig-0.15-${{ runner.os }}-${{ runner.arch }}\n*102|          restore-keys: |\n 103|            homebrew-zig-0.15-${{ runner.os }}-\n 104|\n 105|      - name: Install patched Zig on macOS\n\n## .pi/\n\n### extensions/\n\n#### github-issues-autocomplete/\n##### index.ts\n 764|  pi.on(\"session_shutdown\", async () => {\n*765|    if (refreshTimer) clearInterval(refreshTimer);\n 766|    refreshTimer = undefined;\n 767|  });\n 768|\n\n#### herdr-worktree/\n##### index.ts\n 42|      \"herdr_start_worktree creates the checkout from /home/can/Projects/herdr on master by default.\",\n*43|      \"Prefer passing a clear branch name such as issue/123-short-slug when the work relates to an issue.\",\n 44|      \"After herdr_start_worktree succeeds, the current pi process will shut down and the old Herdr pane will close.\",\n 45|    ],\n 46|    parameters: Type.Object({\n\n### prompts/\n#### pre-release-audit.md\n 11|1. Determine the base ref.\n*12|   - If `$1` is non-empty and looks like a ref/tag, use it.\n 13|   - Otherwise use the latest release tag, preferring the repo's semver tag style:\n 14|     ```bash\n 15|     git describe --tags --abbrev=0\n...\n 59|   - Flag stale entries that do not appear to correspond to shipped changes in the range.\n*60|   - Flag entries that are too implementation-focused or unclear for end users.\n 61|   - Preserve the existing changelog style and sections: `Added`, `Changed`, `Fixed`, `Removed`, and `Breaking Changes` when applicable.\n 62|\n 63|7. Audit next-release public docs.\n\nShowing files 1-20 of 184+. 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Workspace logic doesn't need real terminals.\n  29│- **Render is pure.** `compute_view()` handles geometry and mutations. `render()` takes `&AppState` and only draws. Never mutate state during render.\n  30│- **No god objects.** If a module is doing too many things, split it. `app/` is already split into state, actions, and input. Keep it that way.\n  31│- **Platform code is isolated.** OS-specific behavior lives in the matching `src/platform/<os>.rs` file, with only shared traits, types, wrappers, and testable contracts in `src/platform/mod.rs`. Core modules don't have `#[cfg(target_os)]`.\n  32│- **Detection is decoupled.** The detector reads a screen snapshot, never touches the parser or viewport state.\n *33│- **Screen detection is evidence-based.** When changing `src/detect/manifests/`, first capture the relevant bottom-buffer state with `herdr agent read <pane> --source detection --format text` and, when styling or alternate screen behavior matters, `--format ansi`. Decide which visible controls are invariant, which are alternatives, and encode them as explicit AND/OR gates. Do not match whole-pane incidental text, and do not use the user-visible viewport for agent status because users can scroll it.\n  34│- **UI patterns should be reused.** Herdr is a mouse-first TUI. New dialogs, onboarding, settings, and post-update flows should follow the existing UI/UX language and interaction patterns instead of inventing one-off screens. Prefer reusing existing modal/screen structure, affordances, and close actions so the app feels consistent.\n  35│\n  36│### Runtime/client boundary guardrail\n    │...\n  48│\n *49│- Pane/agent metadata, process state, terminal state, events: server/runtime.\n  50│- Sidebar layout, token placement, colors, selection, modals, mouse/viewport state: TUI/client.\n  51│- Workspace/tab/pane remain shared session organization for now, but avoid making them mandatory identity for unrelated runtime features.\n  52│\n    │...\n  93│\n *94│Unit tests live next to the code (`#[cfg(test)] mod tests`). New `AppState` or `Workspace` behavior should be testable with `AppState::test_new()` and `Workspace::test_new()` without PTYs.\n  95│\n *96│For broad refactors or release-risk regressions, classify the risk before editing. Treat changes as refactor-risk when they touch two or more core surfaces, persisted state, protocol/API IDs, workspace/tab/pane identity, restore/handoff, agent detection authority, or UI/input state projection. Before moving code, identify the protected behavior and add or name characterization tests. Identity/state refactors should use the test-only invariants `AppState::assert_invariants_for_test()` or `Workspace::asser...\n  97│\n  98│When testing a new Herdr build from inside an existing Herdr session, use\n *99│`cargo run -- ...` and clear inherited Herdr socket overrides so the debug\n 100│binary talks to the debug `herdr-dev` server instead of the installed stable\n 101│server:\n 102│\n    │...\n 232│\n*233│Before opening an issue, opening a PR, or pushing branches to this repository, detect the acting GitHub account when possible. Check `gh auth status`, the configured git remote, or the available environment context. If the acting account is not `ogulcancelik`, treat the human as an *external contributor* unless this is clearly a private or custom fork.\n 234│\n 235│External contributors must follow `CONTRIBUTING.md` strictly. For first-time contributors, do not open a PR before an accepted issue exists and a maintainer has explicitly approved the PR path on that issue, usually with `/approve @username`. Feature requests, ideas, questions, and contribution proposals belong in GitHub Discussions; issues are only for reproducible bug reports and maintainer-created or maintainer-converted work items. If a discussion is accepted, a maintainer may convert it into an issu...\n 236│\n*237│If you are helping an external contributor, never open a GitHub issue for them. Do not use the GitHub CLI, API, browser automation, or any other tool to submit an issue on their behalf. Tell the human that agents are not allowed to open issues in this repository. You may help them draft a short report that follows `CONTRIBUTING.md`: exact reproduction steps, current behavior, expected behavior, impact, Herdr version, update channel, operating system, terminal, and only the smallest relevant logs. If the ...\n## CHANGELOG.md\n   7│### Added\n  *8│- Added session-modal popup floating terminal panes for `type = \"popup\"` custom command keybindings and plugin panes, with optional cell or percentage sizing and no changes to the tiled tab layout. (#1125)\n   9│- Added `ui.copy_on_select` to disable automatic clipboard copying after mouse selection while keeping the selection visible.\n  10│- Added configurable row layouts for expanded Space and Agent sidebar entries, including built-in display tokens, per-agent overrides, custom metadata tokens, and pane/workspace metadata reporting through the CLI and socket API.\n  11│- Added independent `row_gap` settings for expanded Space and Agent sidebar entries.\n    │...\n  13│- Added Maki agent support. (#1301, #1302, thanks @tontinton)\n *14│- Added a searchable, version-matched configuration reference and a troubleshooting guide covering duplicate terminal key events, modified-arrow shell bindings, updates, remote access, and logs. (#1116, #1370)\n  15│\n  16│### Changed\n *17│- Expanded Space and Agent sidebar entries now use a packed layout by default; set the corresponding `row_gap` to `1` to restore the previous spacing.\n  18│- Refreshed the bundled Herdr agent skill for current public workspace, tab, and pane ids and the current CLI/API workflow. (#1297)\n  19│- Expanded Japanese and Simplified Chinese CLI documentation with shell completion setup and API schema usage. (#1151)\n  20│\n    │...\n  22│- Collapsed Agent sidebar rows now follow the same ordering and click targets as the expanded panel, and their shortcut numbers are assigned by visible list position instead of repeating across workspaces. (#1168, #1344)\n *23│- Shifted indexed bindings such as `prefix+shift+1..9` now match terminals that report the corresponding punctuation characters. (#1184)\n  24│- Plugin-driven tab renames now immediately refresh tab-bar geometry and labels. (#1111, #1179, thanks @kovalov)\n  25│- New tabs, splits, layouts, and workspaces configured to follow the foreground directory now start from the focused pane's current working directory. (#1245)\n  26│- Amp, Codex, and Claude Code detection now recognizes current active-turn UI variants, including reordered Codex title spinners and Claude `/btw` turns. (#1208, #1281, #1366)\n    │...\n  31│- The Windows installer no longer rewrites an existing config file or creates a duplicate onboarding line during first-run setup. (#1162)\n *32│- Config diagnostics now reach CLI-only and attached-client startup paths reliably and clearly identify fallback configuration behavior.\n  33│- Detached custom command children are now reaped after exit instead of accumulating zombie processes. (#1360)\n  34│- Renamed single tabs now remain visible in the Agents sidebar instead of losing their tab label. (#1369)\n  35│- Documentation search results are now scoped to the active locale and stable or preview channel.\n    │...\n  40│- Single-codepoint emoji chosen from the Windows emoji picker now reach panes when WezTerm's kitty keyboard support sends them as CSI-u events with associated text. (#1404)\n *41│- Outer-terminal focus gained and lost reports now reach the focused pane when its application enables focus reporting, restoring Neovim file autoreload and other focus-aware terminal behavior. (#1337)\n *42│- Native Windows servers now detach from the terminal console that launched them, so closing WezTerm, Windows Terminal, or another host terminal no longer stops persistent pane processes. (#1329)\n  43│- Windows API clients now remain connected while waiting for initial named-pipe request bytes, so `status server`, `api snapshot`, and other socket commands no longer intermittently fail with BrokenPipe. (#1279)\n  44│- `herdr --remote` now installs remote helper binaries without routing the binary stream through a multiline `/bin/sh -c` command, fixing installs for non-POSIX login shells such as xonsh. (#1203, thanks @nhumrich)\n  45│\n    │...\n  51│- Windows foreground-process detection now ignores cyclic process-parent snapshots instead of growing memory until the server aborts. (#1083)\n *52│- Terminal redraws now hide the cursor inside synchronized output, reducing focused-pane cursor flicker during active redraws. (#967)\n  53│- Headless render streams no longer scan visible plain-text URLs during rendering, reducing redraw work while preserving OSC 8 hyperlink metadata.\n  54│- The workspace picker once again honors navigate-mode workspace up/down keys, including custom bindings, after `prefix+w`. (#1149)\n  55│\n    │...\n  58│### Added\n *59│- Added MastraCode integration support with lifecycle state reports and native thread restore. (#337, #788, thanks @wardpeet)\n  60│- Added `ui.sidebar_collapsed_mode = \"hidden\"` to make a collapsed sidebar use zero width while keeping the existing compact rail as the default. (#842)\n  61│- Added `herdr completion <shell>` / `herdr completions <shell>` to generate shell completion scripts for bash, elvish, fish, PowerShell, and zsh. (#435)\n  62│- Added `session.snapshot` to bootstrap client runtime state in one socket API response before subscribing to events.\n  63│- Added `herdr api schema` to inspect the bundled socket API schema, with `--json` for the full JSON Schema document and `--output PATH` for file output.\n *64│- Added `layout.updated` socket events so protocol clients can keep tab layout snapshots current after pane split, resize, swap, move, zoom, and layout mutations.\n  65│- Added pane scroll metrics to pane socket API responses and `pane.scroll_changed` subscriptions for clients that need to show when a pane is scrolled back.\n *66│- Added `herdr terminal session observe` for read-only live ANSI terminal streams that bridge processes can consume as newline-delimited JSON.\n *67│- Added `herdr terminal session control` for bridge processes that need live ANSI frames plus input, resize, scroll, release, and takeover authority.\n  68│- Added `ui.hide_tab_bar_when_single_tab` to hide the tab row when a workspace has one tab. (#448)\n  69│- Added Japanese and Simplified Chinese website docs.\n  70│\n  71│### Changed\n *72│- The mobile switcher now starts from an agents-first summary and renders worktrees as a tree, making narrow terminals easier to scan.\n *73│- macOS prefix input-source switching now runs on the foreground client, so non-Latin input sources are restored reliably after prefix mode. (#774, #1016, thanks @ppggff)\n  74│- Nix packaging now uses `xcbuild` instead of custom Apple SDK wrappers for Darwin builds. (#995, thanks @arunoruto)\n  75│\n  76│### Fixed\n    │...\n  85│- GitHub Copilot CLI detection now recognizes the newer Esc interrupt prompt as working. (#1119, #1120, thanks @LaneBirmingham)\n *86│- Unix local Herdr clients no longer treat empty bracketed paste as a clipboard-image bridge; `herdr --remote` keeps using it for local-desktop image paste over SSH. (#986)\n  87│- Custom command keybindings now run through `cmd.exe /d /c` on Windows instead of `/bin/sh`, so `type = \"pane\"` and `type = \"shell\"` bindings can launch native Windows commands. (#1041)\n  88│- Plain PageUp/PageDown now reach primary-screen pager apps such as `less -X` and Git diff when they enter application cursor mode, while shell transcripts still use Herdr pane scrollback. (#953)\n *89│- Copy mode now supports Ctrl-page navigation, keeps the Herdr prefix key available while copying, and restores the copy context correctly after prefix commands. (#681, #885, #1092, thanks @reobin)\n  90│- `prefix+e` scrollback editor panes now open on Windows without trying to run `/bin/sh`; Windows uses `VISUAL`, then `EDITOR`, then `notepad.exe` as the fallback editor. (#914)\n  91│- `herdr pane split --current` now resolves to the calling Herdr pane instead of the UI-focused pane when run inside a pane. (#902)\n *92│- Native Windows clients running inside Alacritty now preserve mouse reports and `ctrl+j` input instead of leaking mouse escape sequences into panes. `shift+enter` remains dependent on whether the outer terminal reports it as a distinct modified Enter key. (#792)\n  93│- Windows clients now preserve bracketed paste, Backspace, modifier-only keys, host cursor drawing, native clipboard copies, recent pane reads, and wait connections across the native input path. (#670, #795, #907, #920, #930, #962, #963, #1067)\n  94│- New tabs and workspaces now follow the focused pane's current directory more reliably, including PowerShell panes that report cwd through prompt shell integration on Windows. (#912, #919)\n  95│- Pi and OMP integration state now survives internal session reloads, recovers after resumed sessions such as `omp -c`, and reports Ask/tool approval waits as blocked instead of leaving the pane working or stuck on the previous session. (#800, #879, #984, thanks @dmmulroy)\n    │...\n  98│- Remote attach now discovers compatible Homebrew, mise, and Nix profile installs before offering to install a sidecar binary to `~/.local/bin/herdr`. (#840)\n *99│- `herdr --remote` sessions now keep the remote server in its own login-independent session and preserve compatible running servers after helper binary updates, so network drops should disconnect only the client instead of killing remote panes.\n 100│- `herdr --remote` now reuses one OpenSSH connection across setup probes, installs, server checks, and the final bridge when `[remote].manage_ssh_config` is enabled, so password-based hosts prompt once instead of once per setup command. (#888)\n 101│- Foreground agent session reports can now replace stale saved session references, so resumed panes do not stay tied to an older agent session. (#943)\n 102│- Kitty graphics panes now repaint streaming image updates reliably and delete replaced host images instead of leaking them. (#947, #948, thanks @DevSrSouza)\n    │...\n 105│- CJK pane border labels, compact keybinding help ranges, and active auto-named tabs now measure by display width, avoiding broken alignment and unreadable labels. (#799, #810, #817, #829)\n*106│- Ctrl+/ is now encoded as Ctrl+_, matching terminal expectations for pane apps. (#847)\n 107│- PowerShell panes now stay alive after agent Ctrl+C. (#860)\n 108│- SGR mouse reports no longer leak into pane input after host-side handling. (#939)\n 109│- Wrapped pane links now preserve their target instead of being truncated across soft-wrapped lines. (#1098)\n    │...\n 131│### Fixed\n*132│- Windows Terminal multiline text paste now reaches pane apps as one bracketed paste, so OMP, Pi, and similar prompts no longer submit each pasted line separately. Plain Esc, Shift+Enter, mouse, focus, resize, and Unicode paste handling are preserved on the Windows client path. (#670)\n 133│- Local Herdr clients no longer treat raw `Ctrl+V` as a clipboard-image paste trigger, so pane apps such as Vim and Neovim receive block-visual `Ctrl+V` even when the desktop clipboard contains an image. `herdr --remote` keeps `keys.remote_image_paste = \"ctrl+v\"` by default. (#647)\n## CONTRIBUTING.md\n  52│\n *53│Bug reports should answer these questions clearly:\n  54│\n  55│- what is the current behavior\n  56│- what is the expected behavior\n    │...\n  58│- how does this affect you\n *59│- what Herdr version, update channel, OS, and terminal are affected\n  60│- what shell and config are relevant, if any\n  61│\n  62│If there is no reproduction yet, start a discussion instead.\n  63│\n *64│Keep bug reports factual and concise. Report what you personally observed: what you did, what happened, what you expected, and what environment you used. Do not add root-cause analysis, proposed fixes, implementation plans, or diagnosis dumps unless a maintainer asks. If you use AI to help write the issue, use it to make the report clearer and shorter, not longer.\n  65│\n  66│If your proposal changes the visual language, interaction model, workflow, persistence, architecture, or product direction, start a discussion instead.\n  67│\n    │...\n 113│\n*114│Small bug fixes for accepted issues that clearly match the existing design are good candidates for PRs after approval.\n 115│\n 116│Bigger changes to UI, behavior, interaction patterns, persistence, or architecture need discussion and maintainer approval first.\n 117│\n## Cargo.lock\n  597│ \"png\",\n *598│ \"portable-pty\",\n  599│ \"ratatui\",\n  600│ \"regex\",\n  601│ \"schemars\",\n     │...\n 1115│[[package]]\n*1116│name = \"portable-pty\"\n 1117│version = \"0.9.0\"\n 1118│dependencies = [\n 1119│ \"anyhow\",\n## Cargo.toml\n  5│build = \"build.rs\"\n *6│description = \"terminal workspace manager for AI coding agents\"\n  7│license = \"AGPL-3.0-or-later\"\n  8│repository = \"https://github.com/ogulcancelik/herdr\"\n  9│homepage = \"https://herdr.dev\"\n*10│keywords = [\"terminal\", \"tui\", \"ai\", \"agents\", \"multiplexer\"]\n 11│categories = [\"command-line-utilities\"]\n 12│include = [\n 13│    \"src/**/*\",\n   │...\n 30│libc = \"0.2\"\n*31│portable-pty = \"=0.9.0\"\n 32│png = \"0.17\"\n 33│ratatui = { version = \"0.30\", features = [\"unstable-rendered-line-info\"] }\n 34│regex = \"1\"\n   │...\n 45│[patch.crates-io]\n*46│portable-pty = { path = \"vendor/portable-pty\" }\n 47│\n 48│[target.'cfg(windows)'.dependencies]\n 49│windows-sys = { version = \"0.61.2\", features = [\n## LICENSE\n  42│  A secondary benefit of defending all users' freedom is that\n *43│improvements made in alternate versions of the program, if they\n  44│receive widespread use, become available for other developers to\n  45│incorporate.  Many developers of free software are heartened and\n  46│encouraged by the resulting cooperation.  However, in the case of\n    │...\n 280│    that supports equivalent copying facilities, provided you maintain\n*281│    clear directions next to the object code saying where to find the\n 282│    Corresponding Source.  Regardless of what server hosts the\n 283│    Corresponding Source, you remain obligated to ensure that it is\n 284│    available for as long as needed to satisfy these requirements.\n## README.md\n 24│\n*25│**agent multiplexer that lives in your terminal.**\n 26│\n*27│- **every agent at a glance** — blocked, working, done. real terminal views, not a wrapped interpretation.\n*28│- **detach, agents keep running** — reattach from any terminal, or over ssh. sessions survive restarts.\n 29│- **agents can use herdr too** — a pure socket api: agents spawn panes, read output, wait on each other. [agent skill →](https://herdr.dev/docs/agent-skill/)\n 30│- **keyboard and mouse, both first-class** — tmux-style prefix keys *and* click, drag, split. pick per moment, not per tool.\n 31│- **plugins** — extend panes and workflows. [browse the marketplace →](https://herdr.dev/plugins/)\n*32│- **one rust binary, no electron** — runs in whatever terminal you already use.\n 33│\n 34│---\n 35│\n   │...\n 61│\n*62│<a href=\"https://terminaltrove.com/\"><img src=\"assets/sponsors/terminal-trove.png\" alt=\"Terminal Trove\" width=\"200\" /></a>\n 63│\n 64│[**→ become a sponsor**](https://github.com/sponsors/ogulcancelik) · enterprise / partnership: hey@herdr.dev · see [SPONSORS.md](./SPONSORS.md) for tiers. thank you 🐑\n 65│\n## SKILL.md\n   2│name: herdr\n  *3│description: \"Control Herdr, a terminal multiplexer for coding agents. Use only when the user explicitly mentions Herdr or asks to use Herdr to inspect or control panes, tabs, workspaces, terminals, commands, or communication with another agent. Do not use merely because a task could benefit from a background terminal, delegation, or parallel work. Requires HERDR_ENV=1.\"\n   4│---\n   5│\n   6│# Herdr\n   7│\n  *8│Herdr is a terminal multiplexer and runtime for coding agents. It organizes terminals into workspaces, tabs, and panes, detects agent identity and status, and exposes the running session through the `herdr` CLI.\n   9│\n  10│Before issuing any control command, check that this agent is running inside a Herdr-managed pane:\n  11│\n    │...\n  17│\n *18│When the check passes, the `herdr` binary in `PATH` talks to the running session. Use it to inspect neighboring work, create isolated terminal contexts, start agents and commands, read their output, and wait for state changes.\n  19│\n  20│## Learn the current CLI\n  21│\n    │...\n  35│herdr wait\n *36│herdr terminal\n  37│herdr notification\n  38│herdr integration\n  39│herdr session\n    │...\n  52│- pane: `w1:p1`\n *53│- terminal: `term_...`\n  54│\n  55│The encoded suffix can contain letters and can grow beyond one character. Treat every ID as an opaque string.\n  56│\n    │...\n  90│\n *91│Focusing a pane, switching to its tab, or regaining outer terminal focus marks the visible tab as seen, so `done` becomes `idle`. Switching away does not turn an existing `idle` status into `done`; `done` is created by a later completion while the pane is unseen. With no foreground client, a new completion in the globally active tab is treated as seen while completions in background tabs still become `done`.\n  92│\n  93│## Start agents interactively\n  94│\n    │...\n 182│\n*183│Use `--format ansi` when colors and terminal styling are evidence. Otherwise use text.\n 184│\n 185│If the user explicitly asks for another tab, workspace, or worktree, discover that command group and use returned IDs. Do not infer a larger topology from a request to start an agent or command.\n 186│\n\n## .codex/skills/\n\n### herdr-pre-release-audit/references/\n#### pre-release-audit.md\n 11│1. Determine the base ref.\n*12│   - If `$1` is non-empty and looks like a ref/tag, use it.\n 13│   - Otherwise use the latest release tag, preferring the repo's semver tag style:\n 14│     ```bash\n 15│     git describe --tags --abbrev=0\n   │...\n 59│   - Flag stale entries that do not appear to correspond to shipped changes in the range.\n*60│   - Flag entries that are too implementation-focused or unclear for end users.\n 61│   - Preserve the existing changelog style and sections: `Added`, `Changed`, `Fixed`, `Removed`, and `Breaking Changes` when applicable.\n 62│\n 63│7. Audit next-release public docs.\n\n### triage/\n#### SKILL.md\n 25│- 🟡 `queue`: useful feature, important quality issue, repeated user signal, stale issue that still looks valid, or behavior worth scheduling.\n*26│- 🔵 `defer`: cosmetic polish, low-signal idea, unclear report, docs-only nit, or issue that likely needs more evidence before implementation.\n 27│\n 28│Recommendations should be short imperative phrases: `fix now`, `queue`, `defer`, `needs repro`, `close?`, or `needs owner decision`.\n 29│\n\n## .github/\n\n### DISCUSSION_TEMPLATE/\n#### q-a.yml\n 14│      label: context\n*15│      description: what version, os, terminal, config, or workflow matters here?\n 16│    validations:\n 17│      required: false\n\n### ISSUE_TEMPLATE/\n#### bug.yml\n 61│      label: Environment\n*62│      description: Herdr version, update channel, operating system, and terminal are required. Shell and relevant config are optional.\n 63│      value: |\n 64│        - Herdr version:\n 65│        - Update channel (stable or preview):\n 66│        - Operating system:\n*67│        - Terminal:\n 68│        - Shell, if relevant:\n 69│        - Relevant config, if any:\n 70│    validations:\n#### translation.yml\n  1│name: Translation issue\n *2│description: Report an incorrect or unclear translation in the herdr docs.\n  3│labels: [\"translation\"]\n  4│body:\n  5│  - type: markdown\n   │...\n  7│      value: |\n *8│        Docs translations are LLM-generated from the English source. Reports about wrong, unclear, or unnatural translations are welcome here.\n  9│\n 10│        For bugs in herdr itself, use the bug report template instead.\n 11│\n   │...\n 43│      label: What is wrong\n*44│      description: Quote the incorrect or unclear text and explain the problem. Writing in Japanese or Chinese is fine.\n 45│    validations:\n 46│      required: true\n 47│\n\n### workflows/\n#### ci.yml\n  96│\n *97│      - name: Restore Homebrew Zig cache\n  98│        if: runner.os == 'macOS'\n  99│        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4\n 100│        with:\n    │...\n 102│          key: homebrew-zig-0.15-${{ runner.os }}-${{ runner.arch }}\n*103│          restore-keys: |\n 104│            homebrew-zig-0.15-${{ runner.os }}-\n 105│\n 106│      - name: Install patched Zig on macOS\n    │...\n 114│\n*115│      - name: Restore Zig build cache\n 116│        if: runner.os == 'macOS' || matrix.kind == 'windows'\n 117│        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4\n 118│        with:\n    │...\n 120│          key: zig-build-v1-${{ runner.os }}-${{ runner.arch }}-0.15.2-${{ github.run_id }}-${{ github.run_attempt }}\n*121│          restore-keys: |\n 122│            zig-build-v1-${{ runner.os }}-${{ runner.arch }}-0.15.2-\n 123│\n 124│      - name: Install macOS build tools\n    │...\n 127│\n*128│      - name: Restore cargo cache\n 129│        uses: Swatinem/rust-cache@e18b497796c12c097a38f9edb9d0641fb99eee32 # v2\n 130│        with:\n 131│          cache-bin: false\n    │...\n 156│\n*157│            Write-Warning \"cargo compile failed; clearing Zig build caches and retrying once\"\n 158│            Remove-Item -Recurse -Force .zig-cache -ErrorAction SilentlyContinue\n 159│            Remove-Item -Recurse -Force vendor/libghostty-vt/.zig-cache -ErrorAction SilentlyContinue\n 160│            Remove-Item -Recurse -Force vendor/libghostty-vt/zig-out -ErrorAction SilentlyContinue\n    │...\n 168│\n*169│      - name: Smoke ConPTY pane\n 170│        if: matrix.kind == 'windows'\n 171│        shell: pwsh\n 172│        run: |\n    │...\n 174│          $exe = Join-Path $PWD \"target\\x86_64-pc-windows-msvc\\debug\\herdr.exe\"\n*175│          .\\scripts\\windows_smoke_conpty_path.ps1 -ExePath $exe -Session \"ci-windows-$env:GITHUB_RUN_ID-$env:GITHUB_RUN_ATTEMPT\"\n#### issue-gate.yml\n  46│              {\n *47│                label: 'terminal',\n *48│                pattern: /^\\s*(?:-\\s*)?Terminal:[^\\S\\r\\n]*\\S.*$/im,\n  49│              },\n  50│            ];\n  51│\n    │...\n 217│              '',\n*218│              'bug reports must include the reproducible-bug confirmation, current behavior, expected behavior, reproduction, impact, and environment fields with herdr version, update channel, operating system, and terminal.',\n 219│              '',\n 220│              'feature requests, ideas, questions, contribution proposals, and direction checks belong in discussions:',\n 221│              `https://github.com/${context.repo.owner}/${context.repo.repo}/discussions`,\n#### preview.yml\n 108│\n*109│      - name: Restore cargo cache\n 110│        if: steps.plan.outputs.should_publish == 'true'\n 111│        uses: Swatinem/rust-cache@e18b497796c12c097a38f9edb9d0641fb99eee32 # v2\n 112│        with:\n    │...\n 167│\n*168│      - name: Restore Homebrew Zig cache\n 169│        if: runner.os == 'macOS'\n 170│        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4\n 171│        with:\n    │...\n 173│          key: homebrew-zig-0.15-${{ runner.os }}-${{ runner.arch }}\n*174│          restore-keys: |\n 175│            homebrew-zig-0.15-${{ runner.os }}-\n 176│\n 177│      - name: Install patched Zig on macOS\n#### release.yml\n  95│\n *96│      - name: Restore Homebrew Zig cache\n  97│        if: runner.os == 'macOS'\n  98│        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4\n  99│        with:\n    │...\n 101│          key: homebrew-zig-0.15-${{ runner.os }}-${{ runner.arch }}\n*102│          restore-keys: |\n 103│            homebrew-zig-0.15-${{ runner.os }}-\n 104│\n 105│      - name: Install patched Zig on macOS\n\n## .pi/\n\n### extensions/\n\n#### github-issues-autocomplete/\n##### index.ts\n 764│  pi.on(\"session_shutdown\", async () => {\n*765│    if (refreshTimer) clearInterval(refreshTimer);\n 766│    refreshTimer = undefined;\n 767│  });\n 768│\n\n#### herdr-worktree/\n##### index.ts\n 42│      \"herdr_start_worktree creates the checkout from /home/can/Projects/herdr on master by default.\",\n*43│      \"Prefer passing a clear branch name such as issue/123-short-slug when the work relates to an issue.\",\n 44│      \"After herdr_start_worktree succeeds, the current pi process will shut down and the old Herdr pane will close.\",\n 45│    ],\n 46│    parameters: Type.Object({\n\n### prompts/\n#### pre-release-audit.md\n 11│1. Determine the base ref.\n*12│   - If `$1` is non-empty and looks like a ref/tag, use it.\n 13│   - Otherwise use the latest release tag, preferring the repo's semver tag style:\n 14│     ```bash\n 15│     git describe --tags --abbrev=0\n   │...\n 59│   - Flag stale entries that do not appear to correspond to shipped changes in the range.\n*60│   - Flag entries that are too implementation-focused or unclear for end users.\n 61│   - Preserve the existing changelog style and sections: `Added`, `Changed`, `Fixed`, `Removed`, and `Breaking Changes` when applicable.\n 62│\n 63│7. Audit next-release public docs.","linesTruncated":true,"meta":{"limits":{"columnTruncated":{"maxColumn":512}}}},"isError":false,"timestamp":1784365495297}}
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{"type":"message","id":"e423fff0","parentId":"2457adae","timestamp":"2026-07-18T09:05:08.200Z","message":{"role":"toolResult","toolCallId":"call_xU5qrUCtxsMJW63Y0r4WENDN|fc_0784f445f025ad6b016a5b41c42318819a90e54699842eecbf","toolName":"grep","content":[{"type":"text","text":"# C:/Windows/Temp/librarian-herdr/src/\n\n## api/\n### mod.rs\n 56|            | Method::PaneGraphicsSet(_)\n*57|            | Method::PaneGraphicsClear(_)\n 58|            | Method::PaneGraphicsStream(_)\n 59|            | Method::PaneGraphicsStreamSet(_)\n 60|            | Method::PaneGraphicsStreamOpen(_)\n### schema.rs\n 62|    #[serde(rename = \"client.window_title.clear\")]\n*63|    ClientWindowTitleClear(EmptyParams),\n 64|    #[serde(rename = \"session.snapshot\")]\n 65|    SessionSnapshot(EmptyParams),\n 66|    #[serde(rename = \"workspace.create\")]\n...\n 168|    #[serde(rename = \"pane.graphics.clear\")]\n*169|    PaneGraphicsClear(PaneGraphicsClearParams),\n 170|    #[serde(rename = \"pane.graphics.info\")]\n 171|    PaneGraphicsInfo(PaneTarget),\n 172|    #[serde(rename = \"pane.graphics.stream\")]\n### server.rs\n 41|\n*42|impl Drop for ServerHandle {\n 43|    fn drop(&mut self) {\n 44|        self.running.store(false, Ordering::Relaxed);\n 45|\n...\n 344|        Method::ClientWindowTitleSet(_) => \"client.window_title.set\",\n*345|        Method::ClientWindowTitleClear(_) => \"client.window_title.clear\",\n 346|        Method::SessionSnapshot(_) => \"session.snapshot\",\n 347|        Method::WorkspaceCreate(_) => \"workspace.create\",\n 348|        Method::WorkspaceList(_) => \"workspace.list\",\n...\n 397|        Method::PaneGraphicsSet(_) => \"pane.graphics.set\",\n*398|        Method::PaneGraphicsClear(_) => \"pane.graphics.clear\",\n 399|        Method::PaneGraphicsInfo(_) => \"pane.graphics.info\",\n 400|        Method::PaneGraphicsStream(_) => \"pane.graphics.stream\",\n 401|        Method::PaneGraphicsStreamSet(_) => \"pane.graphics.stream.set\",\n...\n 896|                        .unwrap(),\n*897|                    other => panic!(\"unexpected request: {other:?}\"),\n 898|                }\n 899|            }\n 900|        });\n...\n 1136|                let Method::PaneGet(_) = msg.request.method else {\n*1137|                    panic!(\"unexpected request: {:?}\", msg.request.method);\n 1138|                };\n 1139|                pane_get_count += 1;\n 1140|                let response = if pane_get_count == 1 {\n### subscriptions.rs\n 722|        let SubscriptionEventData::ScrollChanged(data) = event.data else {\n*723|            panic!(\"wrong event data\");\n 724|        };\n 725|        assert_eq!(data.pane_id, \"pane_1\");\n 726|        assert_eq!(data.workspace_id, \"workspace_1\");\n...\n 753|        let SubscriptionEventData::PaneAgentStatusChanged(set_data) = set_event.data else {\n*754|            panic!(\"wrong event data\");\n 755|        };\n 756|        assert_eq!(set_data.title.as_deref(), Some(\"short lived\"));\n 757|\n...\n 761|        let SubscriptionEventData::PaneAgentStatusChanged(expiry_data) = expiry_event.data else {\n*762|            panic!(\"wrong event data\");\n 763|        };\n 764|        assert_eq!(expiry_data.title, None);\n 765|    }\n...\n 798|        let SubscriptionEventData::PaneAgentStatusChanged(set_data) = set_event.data else {\n*799|            panic!(\"wrong event data\");\n 800|        };\n 801|        assert_eq!(set_data.title.as_deref(), Some(\"short lived\"));\n 802|\n...\n 806|        let SubscriptionEventData::PaneAgentStatusChanged(expiry_data) = expiry_event.data else {\n*807|            panic!(\"wrong event data\");\n 808|        };\n 809|        assert_eq!(expiry_data.title, None);\n 810|    }\n...\n 842|        let SubscriptionEventData::PaneAgentStatusChanged(data) = event.data else {\n*843|            panic!(\"wrong event data\");\n 844|        };\n 845|        assert_eq!(data.title.as_deref(), Some(\"short lived\"));\n 846|        assert!(subscription.initial_event.is_none());\n\n### schema/\n#### tests.rs\n 141|    let expected = std::fs::read_to_string(&path).unwrap_or_else(|err| {\n*142|        panic!(\n 143|            \"failed to read {}; run `HERDR_UPDATE_API_SCHEMA=1 just test-one generated_protocol_schema_artifact_is_current`: {err}\",\n 144|            path.display()\n 145|        )\n...\n 162|    assert_eq!(json[\"method\"], \"server.stop\");\n*163|    let restored: Request = serde_json::from_value(json).unwrap();\n*164|    assert_eq!(restored, request);\n 165|}\n 166|\n 167|#[test]\n...\n 175|    assert_eq!(json[\"method\"], \"server.reload_config\");\n*176|    let restored: Request = serde_json::from_value(json).unwrap();\n*177|    assert_eq!(restored, request);\n 178|}\n 179|\n 180|#[test]\n...\n 188|    assert_eq!(json[\"method\"], \"server.reload_agent_manifests\");\n*189|    let restored: Request = serde_json::from_value(json).unwrap();\n*190|    assert_eq!(restored, request);\n 191|}\n 192|\n 193|#[test]\n...\n 201|    assert_eq!(json[\"method\"], \"server.agent_manifests\");\n*202|    let restored: Request = serde_json::from_value(json).unwrap();\n*203|    assert_eq!(restored, request);\n 204|}\n 205|\n 206|#[test]\n...\n 216|    assert_eq!(json[\"method\"], \"agent.explain\");\n*217|    let restored: Request = serde_json::from_value(json).unwrap();\n*218|    assert_eq!(restored, request);\n 219|}\n 220|\n 221|#[test]\n...\n 225|    let Method::NotificationShow(params) = request.method else {\n*226|        panic!(\"wrong method parsed\");\n 227|    };\n 228|    assert_eq!(params.title, \"build failed\");\n 229|    assert_eq!(params.body.as_deref(), Some(\"api workspace\"));\n...\n 241|    let Method::NotificationShow(params) = request.method else {\n*242|        panic!(\"wrong method parsed\");\n 243|    };\n 244|\n 245|    assert_eq!(params.sound, NotificationShowSound::None);\n...\n 258|    assert_eq!(json[\"params\"][\"title\"], \"herdr api\");\n*259|    let restored: Request = serde_json::from_value(json).unwrap();\n*260|    assert_eq!(restored, set);\n 261|\n 262|    let clear = Request {\n 263|        id: \"req_title_clear\".into(),\n*264|        method: Method::ClientWindowTitleClear(EmptyParams::default()),\n 265|    };\n 266|    let json = serde_json::to_value(&clear).unwrap();\n 267|    assert_eq!(json[\"method\"], \"client.window_title.clear\");\n*268|    let restored: Request = serde_json::from_value(json).unwrap();\n*269|    assert_eq!(restored, clear);\n 270|}\n 271|\n 272|#[test]\n...\n 303|    let Method::PaneSendInput(params) = request.method else {\n*304|        panic!(\"wrong method parsed\");\n 305|    };\n 306|    assert_eq!(params.pane_id, \"p_1\");\n 307|    assert!(params.text.is_empty());\n...\n 326|    let Method::PaneWaitForOutput(params) = request.method else {\n*327|        panic!(\"wrong method parsed\");\n 328|    };\n 329|    assert!(params.strip_ansi);\n 330|}\n\n### server/\n#### pane_graphics_stream.rs\n 523|        // None is terminal for this dedicated stream. macOS returns EINVAL when\n*524|        // socket options are restored after the peer has already disconnected.\n 525|        Ok(None) => Ok(None),\n 526|        Ok(value) => {\n 527|            reset()?;\n...\n 650|            }\n*651|            other => panic!(\"unexpected open request: {other:?}\"),\n 652|        };\n 653|        open.respond_to\n 654|            .send(\n...\n 687|            }\n*688|            other => panic!(\"unexpected request: {other:?}\"),\n 689|        }\n 690|        msg.respond_to\n 691|            .send(\n...\n 707|            }\n*708|            other => panic!(\"unexpected clear request: {other:?}\"),\n 709|        }\n 710|        clear\n 711|            .respond_to\n...\n 748|            }\n*749|            other => panic!(\"unexpected open request: {other:?}\"),\n 750|        };\n 751|        open.respond_to\n 752|            .send(super::super::error_response_json(\n...\n 769|            }\n*770|            other => panic!(\"unexpected close request: {other:?}\"),\n 771|        }\n 772|        close\n 773|            .respond_to\n...\n 816|            }\n*817|            other => panic!(\"unexpected open request: {other:?}\"),\n 818|        };\n 819|\n 820|        let response: ErrorResponse =\n...\n 831|            }\n*832|            other => panic!(\"unexpected close request: {other:?}\"),\n 833|        }\n 834|        close\n 835|            .respond_to\n...\n 877|            }\n*878|            other => panic!(\"unexpected open request: {other:?}\"),\n 879|        };\n 880|\n 881|        drop(client);\n...\n 904|            }\n*905|            other => panic!(\"unexpected close request: {other:?}\"),\n 906|        }\n 907|        close\n 908|            .respond_to\n...\n 970|            Method::PaneGraphicsStreamOpen(params) => params.owner.clone(),\n*971|            other => panic!(\"unexpected open request: {other:?}\"),\n 972|        };\n 973|        open.respond_to\n 974|            .send(\n...\n 997|            }\n*998|            other => panic!(\"unexpected close request: {other:?}\"),\n 999|        }\n 1000|        close\n 1001|            .respond_to\n...\n 1121|            Method::PaneGraphicsStreamOpen(params) => params.owner.clone(),\n*1122|            other => panic!(\"unexpected open request: {other:?}\"),\n 1123|        };\n 1124|        open.respond_to\n 1125|            .send(\n...\n 1148|            }\n*1149|            other => panic!(\"unexpected close request: {other:?}\"),\n 1150|        }\n 1151|        close\n 1152|            .respond_to\n\n## app/\n### actions.rs\n 3229|            .find(needle)\n*3230|            .unwrap_or_else(|| panic!(\"{needle:?} not found in {row:?}\"));\n 3231|        let prefix = &row[..byte_idx];\n 3232|        prefix\n 3233|            .chars()\n### agent_resume.rs\n 368|            \"-c\".into(),\n*369|            \"printf '%s' 'restored agent: shell quoted | marker'; sleep 5\".into(),\n 370|        ]\n 371|    }\n 372|\n...\n 376|        let mut app = test_app();\n*377|        let workspace = crate::workspace::Workspace::test_new(\"restored\");\n 378|        let pane_id = workspace.tabs[0].root_pane;\n 379|        let terminal_id = workspace.terminal_id(pane_id).cloned().unwrap();\n 380|        let pane_infos = workspace.tabs[0]\n...\n 428|            .expect(\"pending resume should leave a shell runtime\");\n*429|        let marker = \"restored agent: shell quoted | marker\";\n 430|        for _ in 0..20 {\n 431|            if runtime\n 432|                .snapshot_history()\n...\n 443|                .contains(marker),\n*444|            \"deferred restore should inject the resume argv into the restored shell\"\n 445|        );\n 446|\n 447|        for (_, runtime) in app.terminal_runtimes.drain() {\n...\n 455|        let mut app = test_app();\n*456|        let workspace = crate::workspace::Workspace::test_new(\"restored\");\n 457|        let pane_id = workspace.tabs[0].root_pane;\n 458|        let terminal_id = workspace.terminal_id(pane_id).cloned().unwrap();\n 459|        app.state.view.pane_infos = workspace.tabs[0]\n...\n 597|                .is_none(),\n*598|            \"inactive tab restored panes should not wait for tab focus\"\n 599|        );\n 600|\n 601|        for (_, runtime) in app.terminal_runtimes.drain() {\n...\n 657|                .is_none(),\n*658|            \"zoom-hidden restored panes should not wait for pane focus\"\n 659|        );\n 660|\n 661|        for (_, runtime) in app.terminal_runtimes.drain() {\n...\n 716|                .is_none(),\n*717|            \"background restored panes should not wait for focus once terminal area is known\"\n 718|        );\n 719|\n 720|        for (_, runtime) in app.terminal_runtimes.drain() {\n### api.rs\n 81|            } else {\n*82|                self.prefix_input_source.restore();\n 83|            }\n 84|            return;\n 85|        }\n...\n 287|        {\n*288|            self.restore_overlay_after_exit(\n 289|                overlay,\n 290|                was_overlay_active,\n 291|                was_overlay_focused_in_tab,\n...\n 420|\n*421|    fn restore_overlay_after_exit(\n 422|        &mut self,\n 423|        overlay: OverlayPaneState,\n 424|        was_overlay_active: bool,\n...\n 937|            }\n*938|            Method::ClientWindowTitleSet(_) | Method::ClientWindowTitleClear(_) => {\n 939|                return responses::encode_success(\n 940|                    request.id,\n 941|                    ResponseResult::ClientWindowTitle {\n...\n 1029|            }\n*1030|            Method::PaneGraphicsClear(params) => {\n 1031|                return self.handle_pane_graphics_clear(request.id, params);\n 1032|            }\n 1033|            Method::PaneGraphicsInfo(params) => {\n...\n 1622|            id: \"title_clear\".into(),\n*1623|            method: crate::api::schema::Method::ClientWindowTitleClear(\n 1624|                crate::api::schema::EmptyParams::default(),\n 1625|            ),\n 1626|        });\n...\n 1878|    #[test]\n*1879|    fn overlay_exit_layout_updated_uses_restored_zoom_state() {\n 1880|        let event_hub = crate::api::EventHub::default();\n 1881|        let (_api_tx, api_rx) = tokio::sync::mpsc::unbounded_channel();\n 1882|        let mut app = App::new(\n...\n 1946|    #[test]\n*1947|    fn overlay_exit_restores_previous_focus_when_overlay_still_focused() {\n 1948|        let mut workspace = crate::workspace::Workspace::test_new(\"overlay\");\n 1949|        let previous_focus = workspace.tabs[0].root_pane;\n 1950|        let overlay_pane = workspace.test_split(ratatui::layout::Direction::Horizontal);\n...\n 1965|    #[tokio::test]\n*1966|    async fn pane_died_respawns_shell_and_clears_restored_agent_session() {\n 1967|        let (_api_tx, api_rx) = tokio::sync::mpsc::unbounded_channel();\n 1968|        let mut app = App::new(\n 1969|            &crate::config::Config::default(),\n...\n 1974|        );\n*1975|        let workspace = crate::workspace::Workspace::test_new(\"restored\");\n 1976|        let pane_id = workspace.tabs[0].root_pane;\n 1977|        let terminal_id = workspace.terminal_id(pane_id).cloned().unwrap();\n 1978|        app.state.workspaces = vec![workspace];\n\n### api/\n#### agents.rs\n 336|        let ResponseResult::AgentPrompted { agent, .. } = success.result else {\n*337|            panic!(\"expected prompted response\");\n 338|        };\n 339|        assert_eq!(agent.name.as_deref(), Some(\"reviewer\"));\n 340|        assert_eq!(\n...\n 434|        let ResponseResult::AgentInfo { agent } = success.result else {\n*435|            panic!(\"expected agent info response\");\n 436|        };\n 437|        assert_eq!(agent.agent_status, AgentStatus::Idle);\n 438|    }\n#### layouts.rs\n 643|        let ResponseResult::LayoutExport { layout } = success.result else {\n*644|            panic!(\"expected layout export response\");\n 645|        };\n 646|        assert_eq!(layout.workspace_id, app.public_workspace_id(0));\n 647|        assert_eq!(layout.focused_pane_id, app.public_pane_id(0, root).unwrap());\n...\n 654|        else {\n*655|            panic!(\"expected split layout root\");\n 656|        };\n 657|        assert_eq!(direction, SplitDirection::Right);\n 658|        assert!((ratio - 0.65).abs() < f32::EPSILON);\n 659|        let LayoutNode::Pane { pane } = *second else {\n*660|            panic!(\"expected second pane\");\n 661|        };\n 662|        assert_eq!(pane.label.as_deref(), Some(\"tests\"));\n 663|        assert_eq!(pane.pane_id, Some(app.public_pane_id(0, right).unwrap()));\n...\n 682|        let ResponseResult::LayoutSplitRatioSet { layout } = success.result else {\n*683|            panic!(\"expected layout split ratio set response\");\n 684|        };\n 685|        let LayoutNode::Split { ratio, .. } = layout.root else {\n*686|            panic!(\"expected split layout root\");\n 687|        };\n 688|        assert!((ratio - 0.72).abs() < f32::EPSILON);\n 689|        assert!(matches!(\n...\n 752|        let ResponseResult::LayoutApply { layout } = success.result else {\n*753|            panic!(\"expected layout apply response\");\n 754|        };\n 755|        assert_eq!(app.state.workspaces[0].tabs.len(), 1);\n 756|        assert_eq!(\n...\n 766|        else {\n*767|            panic!(\"expected split layout root\");\n 768|        };\n 769|        assert_eq!(direction, SplitDirection::Right);\n 770|        assert!((ratio - 0.7).abs() < f32::EPSILON);\n 771|        let LayoutNode::Pane { pane: first_pane } = *first else {\n*772|            panic!(\"expected first pane\");\n 773|        };\n 774|        let LayoutNode::Pane { pane: second_pane } = *second else {\n*775|            panic!(\"expected second pane\");\n 776|        };\n 777|        assert_eq!(first_pane.label.as_deref(), Some(\"editor\"));\n 778|        assert_eq!(second_pane.label.as_deref(), Some(\"tests\"));\n#### pane_graphics.rs\n 358|            id: \"graphics-clear\".into(),\n*359|            method: crate::api::schema::Method::PaneGraphicsClear(PaneGraphicsClearParams {\n 360|                pane_id: public_pane_id,\n 361|            }),\n 362|        });\n...\n 392|            id: \"graphics-clear\".into(),\n*393|            method: crate::api::schema::Method::PaneGraphicsClear(PaneGraphicsClearParams {\n 394|                pane_id: public_pane_id,\n 395|            }),\n 396|        });\n...\n 549|            id: \"graphics-clear-public\".into(),\n*550|            method: crate::api::schema::Method::PaneGraphicsClear(PaneGraphicsClearParams {\n 551|                pane_id: public_pane_id.clone(),\n 552|            }),\n 553|        });\n#### panes.rs\n 1991|        let ResponseResult::PaneInfo { pane } = success.result else {\n*1992|            panic!(\"expected pane info response\");\n 1993|        };\n 1994|        let scroll = pane.scroll.expect(\"scroll metrics\");\n 1995|        assert_eq!(scroll.offset_from_bottom, 3);\n...\n 2231|        let ResponseResult::PaneCurrent { pane } = success.result else {\n*2232|            panic!(\"expected pane current response\");\n 2233|        };\n 2234|        assert_eq!(pane.pane_id, right_public);\n 2235|        assert!(!pane.focused);\n...\n 2255|        let ResponseResult::PaneCurrent { pane } = success.result else {\n*2256|            panic!(\"expected pane current response\");\n 2257|        };\n 2258|        assert_eq!(pane.pane_id, root_public);\n 2259|        assert!(pane.focused);\n...\n 2278|        let ResponseResult::PaneCurrent { pane } = success.result else {\n*2279|            panic!(\"expected pane current response\");\n 2280|        };\n 2281|        assert_eq!(pane.pane_id, root_public);\n 2282|    }\n...\n 2331|        let ResponseResult::PaneSwap { swap } = success.result else {\n*2332|            panic!(\"expected pane swap response\");\n 2333|        };\n 2334|        assert!(swap.changed);\n 2335|        assert_eq!(swap.reason, None);\n...\n 2367|        let ResponseResult::PaneSwap { swap } = success.result else {\n*2368|            panic!(\"expected pane swap response\");\n 2369|        };\n 2370|        assert!(swap.changed);\n 2371|        assert_eq!(app.state.workspaces[0].focused_pane_id(), Some(source));\n...\n 2396|        let ResponseResult::PaneSwap { swap } = success.result else {\n*2397|            panic!(\"expected pane swap response\");\n 2398|        };\n 2399|        assert!(!swap.changed);\n 2400|        assert_eq!(swap.reason, Some(PaneSwapReason::NoNeighbor));\n...\n 2423|        let ResponseResult::PaneSwap { swap } = success.result else {\n*2424|            panic!(\"expected pane swap response\");\n 2425|        };\n 2426|        assert!(!swap.changed);\n 2427|        assert_eq!(swap.reason, Some(PaneSwapReason::NotFound));\n...\n 2449|        let ResponseResult::PaneSwap { swap } = success.result else {\n*2450|            panic!(\"expected pane swap response\");\n 2451|        };\n 2452|        assert!(!swap.changed);\n 2453|        assert_eq!(swap.reason, Some(PaneSwapReason::NotFound));\n...\n 2478|        let ResponseResult::PaneSwap { swap } = success.result else {\n*2479|            panic!(\"expected pane swap response\");\n 2480|        };\n 2481|        assert!(!swap.changed);\n 2482|        assert_eq!(swap.reason, Some(PaneSwapReason::CrossTab));\n...\n 2519|        let ResponseResult::PaneMove { move_result } = success.result else {\n*2520|            panic!(\"expected pane move response\");\n 2521|        };\n 2522|        assert!(move_result.changed);\n 2523|        assert_eq!(move_result.reason, None);\n...\n 2574|        let ResponseResult::PaneMove { move_result } = success.result else {\n*2575|            panic!(\"expected pane move response\");\n 2576|        };\n 2577|        assert!(move_result.changed);\n 2578|        assert_eq!(app.state.mode, Mode::Copy);\n...\n 2615|        let ResponseResult::PaneMove { move_result } = success.result else {\n*2616|            panic!(\"expected pane move response\");\n 2617|        };\n 2618|        assert!(move_result.changed);\n 2619|        assert_eq!(move_result.previous_pane_id, previous_pane_id);\n...\n 2670|        let ResponseResult::PaneMove { move_result } = success.result else {\n*2671|            panic!(\"expected pane move response\");\n 2672|        };\n 2673|        assert!(move_result.changed);\n 2674|        assert_eq!(app.state.workspaces.len(), 1);\n...\n 2710|        let ResponseResult::PaneMove { move_result } = success.result else {\n*2711|            panic!(\"expected pane move response\");\n 2712|        };\n 2713|        assert!(move_result.changed);\n 2714|        assert_eq!(\n...\n 2749|            EventData::TabCreated { tab } => assert!(tab.focused),\n*2750|            other => panic!(\"expected tab created event, got {other:?}\"),\n 2751|        }\n 2752|        assert!(matches!(\n 2753|            &envelopes[2].1.data,\n...\n 2784|        let ResponseResult::PaneMove { move_result } = success.result else {\n*2785|            panic!(\"expected pane move response\");\n 2786|        };\n 2787|        assert!(move_result.changed);\n 2788|        assert!(std::sync::Arc::ptr_eq(\n...\n 2823|        let ResponseResult::PaneMove { move_result } = success.result else {\n*2824|            panic!(\"expected pane move response\");\n 2825|        };\n 2826|        assert!(move_result.changed);\n 2827|        assert_eq!(move_result.closed_workspace_id, Some(source_workspace));\n...\n 2882|            EventData::WorkspaceCreated { workspace } => assert!(workspace.focused),\n*2883|            other => panic!(\"expected workspace created event, got {other:?}\"),\n 2884|        }\n 2885|        match &envelopes[3].1.data {\n 2886|            EventData::TabCreated { tab } => assert!(tab.focused),\n*2887|            other => panic!(\"expected tab created event, got {other:?}\"),\n 2888|        }\n 2889|        match &envelopes[5].1.data {\n 2890|            EventData::LayoutUpdated { layout } => assert_eq!(\n#### session.rs\n 91|        let ResponseResult::SessionSnapshot { snapshot } = success.result else {\n*92|            panic!(\"expected session snapshot response\");\n 93|        };\n 94|        assert_eq!(success.id, \"req_snapshot\");\n 95|        assert_eq!(snapshot.workspaces.len(), 1);\n#### tabs.rs\n 331|        let ResponseResult::TabList { tabs } = success.result else {\n*332|            panic!(\"expected tab list\");\n 333|        };\n 334|        assert_eq!(app.state.workspaces[0].tabs[2].root_pane, moved_root);\n 335|        assert_eq!(tabs[2].tab_id, app.public_tab_id(0, 2).unwrap());\n#### workspaces.rs\n 319|        let _: SuccessResponse = serde_json::from_str(&response).unwrap();\n*320|        // Drop runtimes so cwd resolution deterministically uses cached state.\n 321|        shutdown_test_runtimes(&mut app);\n 322|\n 323|        let focused_cwd = std::env::temp_dir().join(format!(\n...\n 544|        let ResponseResult::WorkspaceList { workspaces } = success.result else {\n*545|            panic!(\"expected workspace list\");\n 546|        };\n 547|        assert_eq!(workspaces[2].workspace_id, moved_id);\n 548|        assert_eq!(app.state.workspaces[2].display_name(), \"one\");\n...\n 580|        let ResponseResult::WorkspaceList { workspaces } = success.result else {\n*581|            panic!(\"expected workspace list\");\n 582|        };\n 583|        assert_eq!(workspaces[0].workspace_id, moved_id);\n 584|        assert!(event_hub.events_after(0).is_empty());\n#### worktrees.rs\n 901|        else {\n*902|            panic!(\"expected worktree_created response\");\n 903|        };\n 904|        assert_eq!(tab.workspace_id, workspace.workspace_id);\n 905|        assert_eq!(root_pane.workspace_id, workspace.workspace_id);\n...\n 1006|        else {\n*1007|            panic!(\"expected worktree_created response\");\n 1008|        };\n 1009|        let event_kinds = event_hub\n 1010|            .events_after(0)\n...\n 1074|        let ResponseResult::WorktreeCreated { worktree, .. } = success.result else {\n*1075|            panic!(\"expected worktree_created response\");\n 1076|        };\n 1077|        assert_eq!(worktree.branch.as_deref(), Some(branch));\n 1078|        let checkout = Path::new(&worktree.path);\n...\n 1248|        let ResponseResult::WorktreeCreated { worktree, .. } = success.result else {\n*1249|            panic!(\"expected worktree_created response\");\n 1250|        };\n 1251|\n 1252|        let events = event_hub.events_after(0);\n...\n 1415|        else {\n*1416|            panic!(\"expected worktree_opened response\");\n 1417|        };\n 1418|        assert!(already_open);\n 1419|        assert_eq!(app.state.workspaces.len(), 2);\n...\n 1493|        else {\n*1494|            panic!(\"expected worktree_opened response\");\n 1495|        };\n 1496|        assert!(already_open);\n 1497|        assert_eq!(workspace.workspace_id, child_id);\n...\n 1542|        let success: SuccessResponse = serde_json::from_str(&response).unwrap_or_else(|err| {\n*1543|            panic!(\"expected success response, got {response}: {err}\");\n 1544|        });\n 1545|        let ResponseResult::WorktreeOpened {\n 1546|            workspace,\n...\n 1550|        else {\n*1551|            panic!(\"expected worktree_opened response\");\n 1552|        };\n 1553|        assert!(!already_open);\n 1554|        assert_eq!(workspace.label, \"source checkout\");\n...\n 1609|        let ResponseResult::WorktreeList { worktrees, .. } = success.result else {\n*1610|            panic!(\"expected worktree_list response\");\n 1611|        };\n 1612|        let entry = worktrees\n 1613|            .iter()\n...\n 1666|            let ResponseResult::WorktreeList { source, worktrees } = success.result else {\n*1667|                panic!(\"expected worktree_list response\");\n 1668|            };\n 1669|            assert_eq!(\n 1670|                crate::worktree::canonical_or_original(std::path::Path::new(&source.repo_root)),\n...\n 1716|        let ResponseResult::WorktreeList { worktrees, .. } = success.result else {\n*1717|            panic!(\"expected worktree_list response\");\n 1718|        };\n 1719|        let entry = worktrees\n 1720|            .iter()\n...\n 1788|        let ResponseResult::WorktreeRemoved { forced, path, .. } = success.result else {\n*1789|            panic!(\"expected worktree_removed response\");\n 1790|        };\n 1791|        assert!(forced);\n 1792|        assert_eq!(path, checkout.display().to_string());\n\n#### plugins/\n##### mod.rs\n 97|        if removed {\n*98|            // Drop plugin_panes records for this plugin (panes keep running).\n 99|            self.state\n 100|                .plugin_panes\n 101|                .retain(|_, record| record.plugin_id != plugin_id);\n...\n 882|        let ResponseResult::PluginLinked { plugin } = response_result(&link) else {\n*883|            panic!(\"expected plugin linked response: {link}\");\n 884|        };\n 885|        assert_eq!(plugin.plugin_id, \"example.worktree-bootstrap\");\n 886|        assert_eq!(plugin.name, \"Worktree Bootstrap\");\n...\n 908|        let ResponseResult::PluginList { plugins } = response_result(&list) else {\n*909|            panic!(\"expected plugin list response: {list}\");\n 910|        };\n 911|        assert_eq!(plugins.len(), 1);\n 912|        assert_eq!(plugins[0].plugin_id, \"example.worktree-bootstrap\");\n...\n 932|        let ResponseResult::PluginList { plugins } = response_result(&list) else {\n*933|            panic!(\"expected plugin list response: {list}\");\n 934|        };\n 935|        assert!(plugins.is_empty());\n 936|\n...\n 1150|        let ResponseResult::PluginDisabled { plugin } = response_result(&disabled) else {\n*1151|            panic!(\"expected disabled response: {disabled}\");\n 1152|        };\n 1153|        assert!(!plugin.enabled);\n 1154|\n...\n 1161|        let ResponseResult::PluginEnabled { plugin } = response_result(&enabled) else {\n*1162|            panic!(\"expected enabled response: {enabled}\");\n 1163|        };\n 1164|        assert!(plugin.enabled);\n 1165|\n...\n 1357|        let ResponseResult::PluginPaneOpened { plugin_pane } = response_result(&open) else {\n*1358|            panic!(\"expected plugin pane opened response: {open}\");\n 1359|        };\n 1360|        assert_eq!(plugin_pane.plugin_id, \"example.pane\");\n 1361|        assert_eq!(plugin_pane.entrypoint, \"board\");\n...\n 1363|        let Some((_, opened_pane_id)) = app.parse_pane_id(&plugin_pane.pane.pane_id) else {\n*1364|            panic!(\"opened pane id should parse\");\n 1365|        };\n 1366|        assert!(app.state.plugin_panes.contains_key(&opened_pane_id));\n 1367|\n...\n 1463|        let ResponseResult::PluginPaneOpened { .. } = response_result(&open) else {\n*1464|            panic!(\"expected plugin pane opened response: {open}\");\n 1465|        };\n 1466|\n 1467|        let text = read_capture_when_ready(&capture, || {});\n...\n 1553|        let ResponseResult::PluginPaneOpened { .. } = response_result(&open) else {\n*1554|            panic!(\"expected plugin pane opened response: {open}\");\n 1555|        };\n 1556|\n 1557|        let events = event_hub\n...\n 1636|        let ResponseResult::PluginPaneOpened { .. } = response_result(&open) else {\n*1637|            panic!(\"expected plugin pane opened response: {open}\");\n 1638|        };\n 1639|\n 1640|        let events = event_hub.events_after(0);\n...\n 1715|        let ResponseResult::PluginPaneOpened { .. } = response_result(&open) else {\n*1716|            panic!(\"expected plugin pane opened response: {open}\");\n 1717|        };\n 1718|\n 1719|        let events = event_hub.events_after(0);\n...\n 1825|        let ResponseResult::PaneList { panes } = response_result(&pane_list) else {\n*1826|            panic!(\"expected pane list response: {pane_list}\");\n 1827|        };\n 1828|        assert_eq!(panes.len(), 1);\n 1829|        assert_eq!(panes[0].pane_id, root_public);\n...\n 1860|        let ResponseResult::PluginActionList { actions } = response_result(&list) else {\n*1861|            panic!(\"expected plugin action list: {list}\");\n 1862|        };\n 1863|        assert_eq!(actions.len(), 1);\n 1864|        assert_eq!(\n...\n 1907|        else {\n*1908|            panic!(\"expected plugin action invocation: {invoke}\");\n 1909|        };\n 1910|        assert_eq!(\n 1911|            action.qualified_id(),\n...\n 1949|        let ResponseResult::PluginList { plugins } = response_result(&list) else {\n*1950|            panic!(\"expected plugin list: {list}\");\n 1951|        };\n 1952|        assert_eq!(plugins.len(), 1);\n 1953|\n...\n 1958|        let ResponseResult::PluginActionList { actions } = response_result(&actions) else {\n*1959|            panic!(\"expected action list: {actions}\");\n 1960|        };\n 1961|        assert!(actions.is_empty());\n 1962|\n...\n 2024|        let ResponseResult::PluginActionInvoked { log, .. } = response_result(&invoke) else {\n*2025|            panic!(\"expected plugin action invocation: {invoke}\");\n 2026|        };\n 2027|        assert_eq!(log.status, PluginCommandStatus::Running);\n 2028|\n...\n 2047|        let ResponseResult::PluginLogList { logs } = response_result(&logs) else {\n*2048|            panic!(\"expected plugin logs: {logs}\");\n 2049|        };\n 2050|        let finished = logs\n 2051|            .iter()\n...\n 2091|        let ResponseResult::PluginActionInvoked { log, .. } = response_result(&invoke) else {\n*2092|            panic!(\"expected plugin action invocation: {invoke}\");\n 2093|        };\n 2094|\n 2095|        let deadline = std::time::Instant::now() + std::time::Duration::from_secs(5);\n\n### input/\n#### copy_mode.rs\n 388|    fn exit_copy_mode(&mut self, terminal_runtimes: &TerminalRuntimeRegistry, copy: bool) {\n*389|        let restore_scroll = self\n 390|            .copy_mode\n 391|            .as_ref()\n 392|            .map(|copy_mode| (copy_mode.pane_id, copy_mode.entry_offset_from_bottom));\n...\n 397|        }\n*398|        if let Some((pane_id, offset_from_bottom)) = restore_scroll {\n 399|            self.set_pane_scroll_offset(terminal_runtimes, pane_id, offset_from_bottom);\n 400|        }\n 401|        self.copy_mode = None;\n...\n 1124|            }\n*1125|            other => panic!(\"unexpected event: {other:?}\"),\n 1126|        }\n 1127|    }\n 1128|\n...\n 1292|    #[tokio::test]\n*1293|    async fn copy_mode_cancel_restores_scroll_after_workspace_switch() {\n 1294|        let bytes = numbered_lines_bytes(64);\n 1295|        let (mut app, pane_id) = app_with_copy_scrollback(&bytes);\n 1296|        app.state\n...\n 1957|    #[tokio::test]\n*1958|    async fn copy_mode_q_restores_entry_scrollback_offset() {\n 1959|        let bytes = numbered_lines_bytes(64);\n 1960|        let (mut app, pane_id) = app_with_copy_scrollback(&bytes);\n 1961|        let entry_offset = 3;\n...\n 2028|            AppEvent::ClipboardWrite { content } => assert_eq!(content, b\"alp\"),\n*2029|            other => panic!(\"unexpected event: {other:?}\"),\n 2030|        }\n 2031|        assert_eq!(app.state.mode, Mode::Terminal);\n 2032|        assert!(app.state.copy_mode.is_none());\n#### mod.rs\n 782|    }\n*783|    panic!(\"timed out waiting for {}\", path.display());\n 784|}\n 785|\n 786|#[cfg(test)]\n\nShowing files 1-20 of 69+. Use skip=20 for the next page, or narrow 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C:/Windows/Temp/librarian-herdr/src/\n\n## api/\n### mod.rs\n 56│            | Method::PaneGraphicsSet(_)\n*57│            | Method::PaneGraphicsClear(_)\n 58│            | Method::PaneGraphicsStream(_)\n 59│            | Method::PaneGraphicsStreamSet(_)\n 60│            | Method::PaneGraphicsStreamOpen(_)\n### schema.rs\n  62│    #[serde(rename = \"client.window_title.clear\")]\n *63│    ClientWindowTitleClear(EmptyParams),\n  64│    #[serde(rename = \"session.snapshot\")]\n  65│    SessionSnapshot(EmptyParams),\n  66│    #[serde(rename = \"workspace.create\")]\n    │...\n 168│    #[serde(rename = \"pane.graphics.clear\")]\n*169│    PaneGraphicsClear(PaneGraphicsClearParams),\n 170│    #[serde(rename = \"pane.graphics.info\")]\n 171│    PaneGraphicsInfo(PaneTarget),\n 172│    #[serde(rename = \"pane.graphics.stream\")]\n### server.rs\n   41│\n  *42│impl Drop for ServerHandle {\n   43│    fn drop(&mut self) {\n   44│        self.running.store(false, Ordering::Relaxed);\n   45│\n     │...\n  344│        Method::ClientWindowTitleSet(_) => \"client.window_title.set\",\n *345│        Method::ClientWindowTitleClear(_) => \"client.window_title.clear\",\n  346│        Method::SessionSnapshot(_) => \"session.snapshot\",\n  347│        Method::WorkspaceCreate(_) => \"workspace.create\",\n  348│        Method::WorkspaceList(_) => \"workspace.list\",\n     │...\n  397│        Method::PaneGraphicsSet(_) => \"pane.graphics.set\",\n *398│        Method::PaneGraphicsClear(_) => \"pane.graphics.clear\",\n  399│        Method::PaneGraphicsInfo(_) => \"pane.graphics.info\",\n  400│        Method::PaneGraphicsStream(_) => \"pane.graphics.stream\",\n  401│        Method::PaneGraphicsStreamSet(_) => \"pane.graphics.stream.set\",\n     │...\n  896│                        .unwrap(),\n *897│                    other => panic!(\"unexpected request: {other:?}\"),\n  898│                }\n  899│            }\n  900│        });\n     │...\n 1136│                let Method::PaneGet(_) = msg.request.method else {\n*1137│                    panic!(\"unexpected request: {:?}\", msg.request.method);\n 1138│                };\n 1139│                pane_get_count += 1;\n 1140│                let response = if pane_get_count == 1 {\n### subscriptions.rs\n 722│        let SubscriptionEventData::ScrollChanged(data) = event.data else {\n*723│            panic!(\"wrong event data\");\n 724│        };\n 725│        assert_eq!(data.pane_id, \"pane_1\");\n 726│        assert_eq!(data.workspace_id, \"workspace_1\");\n    │...\n 753│        let SubscriptionEventData::PaneAgentStatusChanged(set_data) = set_event.data else {\n*754│            panic!(\"wrong event data\");\n 755│        };\n 756│        assert_eq!(set_data.title.as_deref(), Some(\"short lived\"));\n 757│\n    │...\n 761│        let SubscriptionEventData::PaneAgentStatusChanged(expiry_data) = expiry_event.data else {\n*762│            panic!(\"wrong event data\");\n 763│        };\n 764│        assert_eq!(expiry_data.title, None);\n 765│    }\n    │...\n 798│        let SubscriptionEventData::PaneAgentStatusChanged(set_data) = set_event.data else {\n*799│            panic!(\"wrong event data\");\n 800│        };\n 801│        assert_eq!(set_data.title.as_deref(), Some(\"short lived\"));\n 802│\n    │...\n 806│        let SubscriptionEventData::PaneAgentStatusChanged(expiry_data) = expiry_event.data else {\n*807│            panic!(\"wrong event data\");\n 808│        };\n 809│        assert_eq!(expiry_data.title, None);\n 810│    }\n    │...\n 842│        let SubscriptionEventData::PaneAgentStatusChanged(data) = event.data else {\n*843│            panic!(\"wrong event data\");\n 844│        };\n 845│        assert_eq!(data.title.as_deref(), Some(\"short lived\"));\n 846│        assert!(subscription.initial_event.is_none());\n\n### schema/\n#### tests.rs\n 141│    let expected = std::fs::read_to_string(&path).unwrap_or_else(|err| {\n*142│        panic!(\n 143│            \"failed to read {}; run `HERDR_UPDATE_API_SCHEMA=1 just test-one generated_protocol_schema_artifact_is_current`: {err}\",\n 144│            path.display()\n 145│        )\n    │...\n 162│    assert_eq!(json[\"method\"], \"server.stop\");\n*163│    let restored: Request = serde_json::from_value(json).unwrap();\n*164│    assert_eq!(restored, request);\n 165│}\n 166│\n 167│#[test]\n    │...\n 175│    assert_eq!(json[\"method\"], \"server.reload_config\");\n*176│    let restored: Request = serde_json::from_value(json).unwrap();\n*177│    assert_eq!(restored, request);\n 178│}\n 179│\n 180│#[test]\n    │...\n 188│    assert_eq!(json[\"method\"], \"server.reload_agent_manifests\");\n*189│    let restored: Request = serde_json::from_value(json).unwrap();\n*190│    assert_eq!(restored, request);\n 191│}\n 192│\n 193│#[test]\n    │...\n 201│    assert_eq!(json[\"method\"], \"server.agent_manifests\");\n*202│    let restored: Request = serde_json::from_value(json).unwrap();\n*203│    assert_eq!(restored, request);\n 204│}\n 205│\n 206│#[test]\n    │...\n 216│    assert_eq!(json[\"method\"], \"agent.explain\");\n*217│    let restored: Request = serde_json::from_value(json).unwrap();\n*218│    assert_eq!(restored, request);\n 219│}\n 220│\n 221│#[test]\n    │...\n 225│    let Method::NotificationShow(params) = request.method else {\n*226│        panic!(\"wrong method parsed\");\n 227│    };\n 228│    assert_eq!(params.title, \"build failed\");\n 229│    assert_eq!(params.body.as_deref(), Some(\"api workspace\"));\n    │...\n 241│    let Method::NotificationShow(params) = request.method else {\n*242│        panic!(\"wrong method parsed\");\n 243│    };\n 244│\n 245│    assert_eq!(params.sound, NotificationShowSound::None);\n    │...\n 258│    assert_eq!(json[\"params\"][\"title\"], \"herdr api\");\n*259│    let restored: Request = serde_json::from_value(json).unwrap();\n*260│    assert_eq!(restored, set);\n 261│\n 262│    let clear = Request {\n 263│        id: \"req_title_clear\".into(),\n*264│        method: Method::ClientWindowTitleClear(EmptyParams::default()),\n 265│    };\n 266│    let json = serde_json::to_value(&clear).unwrap();\n 267│    assert_eq!(json[\"method\"], \"client.window_title.clear\");\n*268│    let restored: Request = serde_json::from_value(json).unwrap();\n*269│    assert_eq!(restored, clear);\n 270│}\n 271│\n 272│#[test]\n    │...\n 303│    let Method::PaneSendInput(params) = request.method else {\n*304│        panic!(\"wrong method parsed\");\n 305│    };\n 306│    assert_eq!(params.pane_id, \"p_1\");\n 307│    assert!(params.text.is_empty());\n    │...\n 326│    let Method::PaneWaitForOutput(params) = request.method else {\n*327│        panic!(\"wrong method parsed\");\n 328│    };\n 329│    assert!(params.strip_ansi);\n 330│}\n\n### server/\n#### pane_graphics_stream.rs\n  523│        // None is terminal for this dedicated stream. macOS returns EINVAL when\n *524│        // socket options are restored after the peer has already disconnected.\n  525│        Ok(None) => Ok(None),\n  526│        Ok(value) => {\n  527│            reset()?;\n     │...\n  650│            }\n *651│            other => panic!(\"unexpected open request: {other:?}\"),\n  652│        };\n  653│        open.respond_to\n  654│            .send(\n     │...\n  687│            }\n *688│            other => panic!(\"unexpected request: {other:?}\"),\n  689│        }\n  690│        msg.respond_to\n  691│            .send(\n     │...\n  707│            }\n *708│            other => panic!(\"unexpected clear request: {other:?}\"),\n  709│        }\n  710│        clear\n  711│            .respond_to\n     │...\n  748│            }\n *749│            other => panic!(\"unexpected open request: {other:?}\"),\n  750│        };\n  751│        open.respond_to\n  752│            .send(super::super::error_response_json(\n     │...\n  769│            }\n *770│            other => panic!(\"unexpected close request: {other:?}\"),\n  771│        }\n  772│        close\n  773│            .respond_to\n     │...\n  816│            }\n *817│            other => panic!(\"unexpected open request: {other:?}\"),\n  818│        };\n  819│\n  820│        let response: ErrorResponse =\n     │...\n  831│            }\n *832│            other => panic!(\"unexpected close request: {other:?}\"),\n  833│        }\n  834│        close\n  835│            .respond_to\n     │...\n  877│            }\n *878│            other => panic!(\"unexpected open request: {other:?}\"),\n  879│        };\n  880│\n  881│        drop(client);\n     │...\n  904│            }\n *905│            other => panic!(\"unexpected close request: {other:?}\"),\n  906│        }\n  907│        close\n  908│            .respond_to\n     │...\n  970│            Method::PaneGraphicsStreamOpen(params) => params.owner.clone(),\n *971│            other => panic!(\"unexpected open request: {other:?}\"),\n  972│        };\n  973│        open.respond_to\n  974│            .send(\n     │...\n  997│            }\n *998│            other => panic!(\"unexpected close request: {other:?}\"),\n  999│        }\n 1000│        close\n 1001│            .respond_to\n     │...\n 1121│            Method::PaneGraphicsStreamOpen(params) => params.owner.clone(),\n*1122│            other => panic!(\"unexpected open request: {other:?}\"),\n 1123│        };\n 1124│        open.respond_to\n 1125│            .send(\n     │...\n 1148│            }\n*1149│            other => panic!(\"unexpected close request: {other:?}\"),\n 1150│        }\n 1151│        close\n 1152│            .respond_to\n\n## app/\n### actions.rs\n 3229│            .find(needle)\n*3230│            .unwrap_or_else(|| panic!(\"{needle:?} not found in {row:?}\"));\n 3231│        let prefix = &row[..byte_idx];\n 3232│        prefix\n 3233│            .chars()\n### agent_resume.rs\n 368│            \"-c\".into(),\n*369│            \"printf '%s' 'restored agent: shell quoted | marker'; sleep 5\".into(),\n 370│        ]\n 371│    }\n 372│\n    │...\n 376│        let mut app = test_app();\n*377│        let workspace = crate::workspace::Workspace::test_new(\"restored\");\n 378│        let pane_id = workspace.tabs[0].root_pane;\n 379│        let terminal_id = workspace.terminal_id(pane_id).cloned().unwrap();\n 380│        let pane_infos = workspace.tabs[0]\n    │...\n 428│            .expect(\"pending resume should leave a shell runtime\");\n*429│        let marker = \"restored agent: shell quoted | marker\";\n 430│        for _ in 0..20 {\n 431│            if runtime\n 432│                .snapshot_history()\n    │...\n 443│                .contains(marker),\n*444│            \"deferred restore should inject the resume argv into the restored shell\"\n 445│        );\n 446│\n 447│        for (_, runtime) in app.terminal_runtimes.drain() {\n    │...\n 455│        let mut app = test_app();\n*456│        let workspace = crate::workspace::Workspace::test_new(\"restored\");\n 457│        let pane_id = workspace.tabs[0].root_pane;\n 458│        let terminal_id = workspace.terminal_id(pane_id).cloned().unwrap();\n 459│        app.state.view.pane_infos = workspace.tabs[0]\n    │...\n 597│                .is_none(),\n*598│            \"inactive tab restored panes should not wait for tab focus\"\n 599│        );\n 600│\n 601│        for (_, runtime) in app.terminal_runtimes.drain() {\n    │...\n 657│                .is_none(),\n*658│            \"zoom-hidden restored panes should not wait for pane focus\"\n 659│        );\n 660│\n 661│        for (_, runtime) in app.terminal_runtimes.drain() {\n    │...\n 716│                .is_none(),\n*717│            \"background restored panes should not wait for focus once terminal area is known\"\n 718│        );\n 719│\n 720│        for (_, runtime) in app.terminal_runtimes.drain() {\n### api.rs\n   81│            } else {\n  *82│                self.prefix_input_source.restore();\n   83│            }\n   84│            return;\n   85│        }\n     │...\n  287│        {\n *288│            self.restore_overlay_after_exit(\n  289│                overlay,\n  290│                was_overlay_active,\n  291│                was_overlay_focused_in_tab,\n     │...\n  420│\n *421│    fn restore_overlay_after_exit(\n  422│        &mut self,\n  423│        overlay: OverlayPaneState,\n  424│        was_overlay_active: bool,\n     │...\n  937│            }\n *938│            Method::ClientWindowTitleSet(_) | Method::ClientWindowTitleClear(_) => {\n  939│                return responses::encode_success(\n  940│                    request.id,\n  941│                    ResponseResult::ClientWindowTitle {\n     │...\n 1029│            }\n*1030│            Method::PaneGraphicsClear(params) => {\n 1031│                return self.handle_pane_graphics_clear(request.id, params);\n 1032│            }\n 1033│            Method::PaneGraphicsInfo(params) => {\n     │...\n 1622│            id: \"title_clear\".into(),\n*1623│            method: crate::api::schema::Method::ClientWindowTitleClear(\n 1624│                crate::api::schema::EmptyParams::default(),\n 1625│            ),\n 1626│        });\n     │...\n 1878│    #[test]\n*1879│    fn overlay_exit_layout_updated_uses_restored_zoom_state() {\n 1880│        let event_hub = crate::api::EventHub::default();\n 1881│        let (_api_tx, api_rx) = tokio::sync::mpsc::unbounded_channel();\n 1882│        let mut app = App::new(\n     │...\n 1946│    #[test]\n*1947│    fn overlay_exit_restores_previous_focus_when_overlay_still_focused() {\n 1948│        let mut workspace = crate::workspace::Workspace::test_new(\"overlay\");\n 1949│        let previous_focus = workspace.tabs[0].root_pane;\n 1950│        let overlay_pane = workspace.test_split(ratatui::layout::Direction::Horizontal);\n     │...\n 1965│    #[tokio::test]\n*1966│    async fn pane_died_respawns_shell_and_clears_restored_agent_session() {\n 1967│        let (_api_tx, api_rx) = tokio::sync::mpsc::unbounded_channel();\n 1968│        let mut app = App::new(\n 1969│            &crate::config::Config::default(),\n     │...\n 1974│        );\n*1975│        let workspace = crate::workspace::Workspace::test_new(\"restored\");\n 1976│        let pane_id = workspace.tabs[0].root_pane;\n 1977│        let terminal_id = workspace.terminal_id(pane_id).cloned().unwrap();\n 1978│        app.state.workspaces = vec![workspace];\n\n### api/\n#### agents.rs\n 336│        let ResponseResult::AgentPrompted { agent, .. } = success.result else {\n*337│            panic!(\"expected prompted response\");\n 338│        };\n 339│        assert_eq!(agent.name.as_deref(), Some(\"reviewer\"));\n 340│        assert_eq!(\n    │...\n 434│        let ResponseResult::AgentInfo { agent } = success.result else {\n*435│            panic!(\"expected agent info response\");\n 436│        };\n 437│        assert_eq!(agent.agent_status, AgentStatus::Idle);\n 438│    }\n#### layouts.rs\n 643│        let ResponseResult::LayoutExport { layout } = success.result else {\n*644│            panic!(\"expected layout export response\");\n 645│        };\n 646│        assert_eq!(layout.workspace_id, app.public_workspace_id(0));\n 647│        assert_eq!(layout.focused_pane_id, app.public_pane_id(0, root).unwrap());\n    │...\n 654│        else {\n*655│            panic!(\"expected split layout root\");\n 656│        };\n 657│        assert_eq!(direction, SplitDirection::Right);\n 658│        assert!((ratio - 0.65).abs() < f32::EPSILON);\n 659│        let LayoutNode::Pane { pane } = *second else {\n*660│            panic!(\"expected second pane\");\n 661│        };\n 662│        assert_eq!(pane.label.as_deref(), Some(\"tests\"));\n 663│        assert_eq!(pane.pane_id, Some(app.public_pane_id(0, right).unwrap()));\n    │...\n 682│        let ResponseResult::LayoutSplitRatioSet { layout } = success.result else {\n*683│            panic!(\"expected layout split ratio set response\");\n 684│        };\n 685│        let LayoutNode::Split { ratio, .. } = layout.root else {\n*686│            panic!(\"expected split layout root\");\n 687│        };\n 688│        assert!((ratio - 0.72).abs() < f32::EPSILON);\n 689│        assert!(matches!(\n    │...\n 752│        let ResponseResult::LayoutApply { layout } = success.result else {\n*753│            panic!(\"expected layout apply response\");\n 754│        };\n 755│        assert_eq!(app.state.workspaces[0].tabs.len(), 1);\n 756│        assert_eq!(\n    │...\n 766│        else {\n*767│            panic!(\"expected split layout root\");\n 768│        };\n 769│        assert_eq!(direction, SplitDirection::Right);\n 770│        assert!((ratio - 0.7).abs() < f32::EPSILON);\n 771│        let LayoutNode::Pane { pane: first_pane } = *first else {\n*772│            panic!(\"expected first pane\");\n 773│        };\n 774│        let LayoutNode::Pane { pane: second_pane } = *second else {\n*775│            panic!(\"expected second pane\");\n 776│        };\n 777│        assert_eq!(first_pane.label.as_deref(), Some(\"editor\"));\n 778│        assert_eq!(second_pane.label.as_deref(), Some(\"tests\"));\n#### pane_graphics.rs\n 358│            id: \"graphics-clear\".into(),\n*359│            method: crate::api::schema::Method::PaneGraphicsClear(PaneGraphicsClearParams {\n 360│                pane_id: public_pane_id,\n 361│            }),\n 362│        });\n    │...\n 392│            id: \"graphics-clear\".into(),\n*393│            method: crate::api::schema::Method::PaneGraphicsClear(PaneGraphicsClearParams {\n 394│                pane_id: public_pane_id,\n 395│            }),\n 396│        });\n    │...\n 549│            id: \"graphics-clear-public\".into(),\n*550│            method: crate::api::schema::Method::PaneGraphicsClear(PaneGraphicsClearParams {\n 551│                pane_id: public_pane_id.clone(),\n 552│            }),\n 553│        });\n#### panes.rs\n 1991│        let ResponseResult::PaneInfo { pane } = success.result else {\n*1992│            panic!(\"expected pane info response\");\n 1993│        };\n 1994│        let scroll = pane.scroll.expect(\"scroll metrics\");\n 1995│        assert_eq!(scroll.offset_from_bottom, 3);\n     │...\n 2231│        let ResponseResult::PaneCurrent { pane } = success.result else {\n*2232│            panic!(\"expected pane current response\");\n 2233│        };\n 2234│        assert_eq!(pane.pane_id, right_public);\n 2235│        assert!(!pane.focused);\n     │...\n 2255│        let ResponseResult::PaneCurrent { pane } = success.result else {\n*2256│            panic!(\"expected pane current response\");\n 2257│        };\n 2258│        assert_eq!(pane.pane_id, root_public);\n 2259│        assert!(pane.focused);\n     │...\n 2278│        let ResponseResult::PaneCurrent { pane } = success.result else {\n*2279│            panic!(\"expected pane current response\");\n 2280│        };\n 2281│        assert_eq!(pane.pane_id, root_public);\n 2282│    }\n     │...\n 2331│        let ResponseResult::PaneSwap { swap } = success.result else {\n*2332│            panic!(\"expected pane swap response\");\n 2333│        };\n 2334│        assert!(swap.changed);\n 2335│        assert_eq!(swap.reason, None);\n     │...\n 2367│        let ResponseResult::PaneSwap { swap } = success.result else {\n*2368│            panic!(\"expected pane swap response\");\n 2369│        };\n 2370│        assert!(swap.changed);\n 2371│        assert_eq!(app.state.workspaces[0].focused_pane_id(), Some(source));\n     │...\n 2396│        let ResponseResult::PaneSwap { swap } = success.result else {\n*2397│            panic!(\"expected pane swap response\");\n 2398│        };\n 2399│        assert!(!swap.changed);\n 2400│        assert_eq!(swap.reason, Some(PaneSwapReason::NoNeighbor));\n     │...\n 2423│        let ResponseResult::PaneSwap { swap } = success.result else {\n*2424│            panic!(\"expected pane swap response\");\n 2425│        };\n 2426│        assert!(!swap.changed);\n 2427│        assert_eq!(swap.reason, Some(PaneSwapReason::NotFound));\n     │...\n 2449│        let ResponseResult::PaneSwap { swap } = success.result else {\n*2450│            panic!(\"expected pane swap response\");\n 2451│        };\n 2452│        assert!(!swap.changed);\n 2453│        assert_eq!(swap.reason, Some(PaneSwapReason::NotFound));\n     │...\n 2478│        let ResponseResult::PaneSwap { swap } = success.result else {\n*2479│            panic!(\"expected pane swap response\");\n 2480│        };\n 2481│        assert!(!swap.changed);\n 2482│        assert_eq!(swap.reason, Some(PaneSwapReason::CrossTab));\n     │...\n 2519│        let ResponseResult::PaneMove { move_result } = success.result else {\n*2520│            panic!(\"expected pane move response\");\n 2521│        };\n 2522│        assert!(move_result.changed);\n 2523│        assert_eq!(move_result.reason, None);\n     │...\n 2574│        let ResponseResult::PaneMove { move_result } = success.result else {\n*2575│            panic!(\"expected pane move response\");\n 2576│        };\n 2577│        assert!(move_result.changed);\n 2578│        assert_eq!(app.state.mode, Mode::Copy);\n     │...\n 2615│        let ResponseResult::PaneMove { move_result } = success.result else {\n*2616│            panic!(\"expected pane move response\");\n 2617│        };\n 2618│        assert!(move_result.changed);\n 2619│        assert_eq!(move_result.previous_pane_id, previous_pane_id);\n     │...\n 2670│        let ResponseResult::PaneMove { move_result } = success.result else {\n*2671│            panic!(\"expected pane move response\");\n 2672│        };\n 2673│        assert!(move_result.changed);\n 2674│        assert_eq!(app.state.workspaces.len(), 1);\n     │...\n 2710│        let ResponseResult::PaneMove { move_result } = success.result else {\n*2711│            panic!(\"expected pane move response\");\n 2712│        };\n 2713│        assert!(move_result.changed);\n 2714│        assert_eq!(\n     │...\n 2749│            EventData::TabCreated { tab } => assert!(tab.focused),\n*2750│            other => panic!(\"expected tab created event, got {other:?}\"),\n 2751│        }\n 2752│        assert!(matches!(\n 2753│            &envelopes[2].1.data,\n     │...\n 2784│        let ResponseResult::PaneMove { move_result } = success.result else {\n*2785│            panic!(\"expected pane move response\");\n 2786│        };\n 2787│        assert!(move_result.changed);\n 2788│        assert!(std::sync::Arc::ptr_eq(\n     │...\n 2823│        let ResponseResult::PaneMove { move_result } = success.result else {\n*2824│            panic!(\"expected pane move response\");\n 2825│        };\n 2826│        assert!(move_result.changed);\n 2827│        assert_eq!(move_result.closed_workspace_id, Some(source_workspace));\n     │...\n 2882│            EventData::WorkspaceCreated { workspace } => assert!(workspace.focused),\n*2883│            other => panic!(\"expected workspace created event, got {other:?}\"),\n 2884│        }\n 2885│        match &envelopes[3].1.data {\n 2886│            EventData::TabCreated { tab } => assert!(tab.focused),\n*2887│            other => panic!(\"expected tab created event, got {other:?}\"),\n 2888│        }\n 2889│        match &envelopes[5].1.data {\n 2890│            EventData::LayoutUpdated { layout } => assert_eq!(\n#### session.rs\n 91│        let ResponseResult::SessionSnapshot { snapshot } = success.result else {\n*92│            panic!(\"expected session snapshot response\");\n 93│        };\n 94│        assert_eq!(success.id, \"req_snapshot\");\n 95│        assert_eq!(snapshot.workspaces.len(), 1);\n#### tabs.rs\n 331│        let ResponseResult::TabList { tabs } = success.result else {\n*332│            panic!(\"expected tab list\");\n 333│        };\n 334│        assert_eq!(app.state.workspaces[0].tabs[2].root_pane, moved_root);\n 335│        assert_eq!(tabs[2].tab_id, app.public_tab_id(0, 2).unwrap());\n#### workspaces.rs\n 319│        let _: SuccessResponse = serde_json::from_str(&response).unwrap();\n*320│        // Drop runtimes so cwd resolution deterministically uses cached state.\n 321│        shutdown_test_runtimes(&mut app);\n 322│\n 323│        let focused_cwd = std::env::temp_dir().join(format!(\n    │...\n 544│        let ResponseResult::WorkspaceList { workspaces } = success.result else {\n*545│            panic!(\"expected workspace list\");\n 546│        };\n 547│        assert_eq!(workspaces[2].workspace_id, moved_id);\n 548│        assert_eq!(app.state.workspaces[2].display_name(), \"one\");\n    │...\n 580│        let ResponseResult::WorkspaceList { workspaces } = success.result else {\n*581│            panic!(\"expected workspace list\");\n 582│        };\n 583│        assert_eq!(workspaces[0].workspace_id, moved_id);\n 584│        assert!(event_hub.events_after(0).is_empty());\n#### worktrees.rs\n  901│        else {\n *902│            panic!(\"expected worktree_created response\");\n  903│        };\n  904│        assert_eq!(tab.workspace_id, workspace.workspace_id);\n  905│        assert_eq!(root_pane.workspace_id, workspace.workspace_id);\n     │...\n 1006│        else {\n*1007│            panic!(\"expected worktree_created response\");\n 1008│        };\n 1009│        let event_kinds = event_hub\n 1010│            .events_after(0)\n     │...\n 1074│        let ResponseResult::WorktreeCreated { worktree, .. } = success.result else {\n*1075│            panic!(\"expected worktree_created response\");\n 1076│        };\n 1077│        assert_eq!(worktree.branch.as_deref(), Some(branch));\n 1078│        let checkout = Path::new(&worktree.path);\n     │...\n 1248│        let ResponseResult::WorktreeCreated { worktree, .. } = success.result else {\n*1249│            panic!(\"expected worktree_created response\");\n 1250│        };\n 1251│\n 1252│        let events = event_hub.events_after(0);\n     │...\n 1415│        else {\n*1416│            panic!(\"expected worktree_opened response\");\n 1417│        };\n 1418│        assert!(already_open);\n 1419│        assert_eq!(app.state.workspaces.len(), 2);\n     │...\n 1493│        else {\n*1494│            panic!(\"expected worktree_opened response\");\n 1495│        };\n 1496│        assert!(already_open);\n 1497│        assert_eq!(workspace.workspace_id, child_id);\n     │...\n 1542│        let success: SuccessResponse = serde_json::from_str(&response).unwrap_or_else(|err| {\n*1543│            panic!(\"expected success response, got {response}: {err}\");\n 1544│        });\n 1545│        let ResponseResult::WorktreeOpened {\n 1546│            workspace,\n     │...\n 1550│        else {\n*1551│            panic!(\"expected worktree_opened response\");\n 1552│        };\n 1553│        assert!(!already_open);\n 1554│        assert_eq!(workspace.label, \"source checkout\");\n     │...\n 1609│        let ResponseResult::WorktreeList { worktrees, .. } = success.result else {\n*1610│            panic!(\"expected worktree_list response\");\n 1611│        };\n 1612│        let entry = worktrees\n 1613│            .iter()\n     │...\n 1666│            let ResponseResult::WorktreeList { source, worktrees } = success.result else {\n*1667│                panic!(\"expected worktree_list response\");\n 1668│            };\n 1669│            assert_eq!(\n 1670│                crate::worktree::canonical_or_original(std::path::Path::new(&source.repo_root)),\n     │...\n 1716│        let ResponseResult::WorktreeList { worktrees, .. } = success.result else {\n*1717│            panic!(\"expected worktree_list response\");\n 1718│        };\n 1719│        let entry = worktrees\n 1720│            .iter()\n     │...\n 1788│        let ResponseResult::WorktreeRemoved { forced, path, .. } = success.result else {\n*1789│            panic!(\"expected worktree_removed response\");\n 1790│        };\n 1791│        assert!(forced);\n 1792│        assert_eq!(path, checkout.display().to_string());\n\n#### plugins/\n##### mod.rs\n   97│        if removed {\n  *98│            // Drop plugin_panes records for this plugin (panes keep running).\n   99│            self.state\n  100│                .plugin_panes\n  101│                .retain(|_, record| record.plugin_id != plugin_id);\n     │...\n  882│        let ResponseResult::PluginLinked { plugin } = response_result(&link) else {\n *883│            panic!(\"expected plugin linked response: {link}\");\n  884│        };\n  885│        assert_eq!(plugin.plugin_id, \"example.worktree-bootstrap\");\n  886│        assert_eq!(plugin.name, \"Worktree Bootstrap\");\n     │...\n  908│        let ResponseResult::PluginList { plugins } = response_result(&list) else {\n *909│            panic!(\"expected plugin list response: {list}\");\n  910│        };\n  911│        assert_eq!(plugins.len(), 1);\n  912│        assert_eq!(plugins[0].plugin_id, \"example.worktree-bootstrap\");\n     │...\n  932│        let ResponseResult::PluginList { plugins } = response_result(&list) else {\n *933│            panic!(\"expected plugin list response: {list}\");\n  934│        };\n  935│        assert!(plugins.is_empty());\n  936│\n     │...\n 1150│        let ResponseResult::PluginDisabled { plugin } = response_result(&disabled) else {\n*1151│            panic!(\"expected disabled response: {disabled}\");\n 1152│        };\n 1153│        assert!(!plugin.enabled);\n 1154│\n     │...\n 1161│        let ResponseResult::PluginEnabled { plugin } = response_result(&enabled) else {\n*1162│            panic!(\"expected enabled response: {enabled}\");\n 1163│        };\n 1164│        assert!(plugin.enabled);\n 1165│\n     │...\n 1357│        let ResponseResult::PluginPaneOpened { plugin_pane } = response_result(&open) else {\n*1358│            panic!(\"expected plugin pane opened response: {open}\");\n 1359│        };\n 1360│        assert_eq!(plugin_pane.plugin_id, \"example.pane\");\n 1361│        assert_eq!(plugin_pane.entrypoint, \"board\");\n     │...\n 1363│        let Some((_, opened_pane_id)) = app.parse_pane_id(&plugin_pane.pane.pane_id) else {\n*1364│            panic!(\"opened pane id should parse\");\n 1365│        };\n 1366│        assert!(app.state.plugin_panes.contains_key(&opened_pane_id));\n 1367│\n     │...\n 1463│        let ResponseResult::PluginPaneOpened { .. } = response_result(&open) else {\n*1464│            panic!(\"expected plugin pane opened response: {open}\");\n 1465│        };\n 1466│\n 1467│        let text = read_capture_when_ready(&capture, || {});\n     │...\n 1553│        let ResponseResult::PluginPaneOpened { .. } = response_result(&open) else {\n*1554│            panic!(\"expected plugin pane opened response: {open}\");\n 1555│        };\n 1556│\n 1557│        let events = event_hub\n     │...\n 1636│        let ResponseResult::PluginPaneOpened { .. } = response_result(&open) else {\n*1637│            panic!(\"expected plugin pane opened response: {open}\");\n 1638│        };\n 1639│\n 1640│        let events = event_hub.events_after(0);\n     │...\n 1715│        let ResponseResult::PluginPaneOpened { .. } = response_result(&open) else {\n*1716│            panic!(\"expected plugin pane opened response: {open}\");\n 1717│        };\n 1718│\n 1719│        let events = event_hub.events_after(0);\n     │...\n 1825│        let ResponseResult::PaneList { panes } = response_result(&pane_list) else {\n*1826│            panic!(\"expected pane list response: {pane_list}\");\n 1827│        };\n 1828│        assert_eq!(panes.len(), 1);\n 1829│        assert_eq!(panes[0].pane_id, root_public);\n     │...\n 1860│        let ResponseResult::PluginActionList { actions } = response_result(&list) else {\n*1861│            panic!(\"expected plugin action list: {list}\");\n 1862│        };\n 1863│        assert_eq!(actions.len(), 1);\n 1864│        assert_eq!(\n     │...\n 1907│        else {\n*1908│            panic!(\"expected plugin action invocation: {invoke}\");\n 1909│        };\n 1910│        assert_eq!(\n 1911│            action.qualified_id(),\n     │...\n 1949│        let ResponseResult::PluginList { plugins } = response_result(&list) else {\n*1950│            panic!(\"expected plugin list: {list}\");\n 1951│        };\n 1952│        assert_eq!(plugins.len(), 1);\n 1953│\n     │...\n 1958│        let ResponseResult::PluginActionList { actions } = response_result(&actions) else {\n*1959│            panic!(\"expected action list: {actions}\");\n 1960│        };\n 1961│        assert!(actions.is_empty());\n 1962│\n     │...\n 2024│        let ResponseResult::PluginActionInvoked { log, .. } = response_result(&invoke) else {\n*2025│            panic!(\"expected plugin action invocation: {invoke}\");\n 2026│        };\n 2027│        assert_eq!(log.status, PluginCommandStatus::Running);\n 2028│\n     │...\n 2047│        let ResponseResult::PluginLogList { logs } = response_result(&logs) else {\n*2048│            panic!(\"expected plugin logs: {logs}\");\n 2049│        };\n 2050│        let finished = logs\n 2051│            .iter()\n     │...\n 2091│        let ResponseResult::PluginActionInvoked { log, .. } = response_result(&invoke) else {\n*2092│            panic!(\"expected plugin action invocation: {invoke}\");\n 2093│        };\n 2094│\n 2095│        let deadline = std::time::Instant::now() + std::time::Duration::from_secs(5);\n\n### input/\n#### copy_mode.rs\n  388│    fn exit_copy_mode(&mut self, terminal_runtimes: &TerminalRuntimeRegistry, copy: bool) {\n *389│        let restore_scroll = self\n  390│            .copy_mode\n  391│            .as_ref()\n  392│            .map(|copy_mode| (copy_mode.pane_id, copy_mode.entry_offset_from_bottom));\n     │...\n  397│        }\n *398│        if let Some((pane_id, offset_from_bottom)) = restore_scroll {\n  399│            self.set_pane_scroll_offset(terminal_runtimes, pane_id, offset_from_bottom);\n  400│        }\n  401│        self.copy_mode = None;\n     │...\n 1124│            }\n*1125│            other => panic!(\"unexpected event: {other:?}\"),\n 1126│        }\n 1127│    }\n 1128│\n     │...\n 1292│    #[tokio::test]\n*1293│    async fn copy_mode_cancel_restores_scroll_after_workspace_switch() {\n 1294│        let bytes = numbered_lines_bytes(64);\n 1295│        let (mut app, pane_id) = app_with_copy_scrollback(&bytes);\n 1296│        app.state\n     │...\n 1957│    #[tokio::test]\n*1958│    async fn copy_mode_q_restores_entry_scrollback_offset() {\n 1959│        let bytes = numbered_lines_bytes(64);\n 1960│        let (mut app, pane_id) = app_with_copy_scrollback(&bytes);\n 1961│        let entry_offset = 3;\n     │...\n 2028│            AppEvent::ClipboardWrite { content } => assert_eq!(content, b\"alp\"),\n*2029│            other => panic!(\"unexpected event: {other:?}\"),\n 2030│        }\n 2031│        assert_eq!(app.state.mode, Mode::Terminal);\n 2032│        assert!(app.state.copy_mode.is_none());\n#### mod.rs\n 782│    }\n*783│    panic!(\"timed out waiting for {}\", path.display());\n 784│}\n 785│\n 786│#[cfg(test)]"},"isError":false,"timestamp":1784365508200}}
{"type":"message","id":"76f1ac8b","parentId":"e423fff0","timestamp":"2026-07-18T09:05:08.230Z","message":{"role":"toolResult","toolCallId":"call_QJjujXN35zogDvQWjBd6PDYz|fc_0784f445f025ad6b016a5b41c42324819a9d8930475cb7a993","toolName":"grep","content":[{"type":"text","text":"# C:/Windows/Temp/librarian-herdr/src/\n\n## protocol/\n### mod.rs\n*1|//! Shared wire protocol and presentation encoding code.\n 2|\n 3|pub(crate) mod render_ansi;\n 4|mod wire;\n### render_ansi.rs\n*1|//! Frame blitting — renders FrameData to the terminal using diff-based updates.\n 2|//!\n 3|//! The blitting strategy:\n*4|//! 1. On the first frame, write the entire buffer (full redraw).\n 5|//! 2. On subsequent frames, diff against the last frame and only write\n*6|//!    the cells that changed.\n*7|//! 3. Wrap each frame in synchronized output so terminals that support it do\n*8|//!    not expose intermediate cursor positions while the frame is painted.\n*9|//! 4. Before writing any cells, hide the cursor to avoid stray cursor\n*10|//!    artifacts on terminals that render the hardware cursor at intermediate\n 11|//!    `CUP` positions during the frame stream.\n*12|//! 5. After writing all changed cells, restore the final cursor visibility\n 13|//!    and position from `frame.cursor`.\n*14|//! 6. On platforms that need it, repeat the final cursor anchor after ending\n*15|//!    synchronized output so external IMEs can place candidate windows at the\n 16|//!    real input position. Windows Terminal exposes that repeat as visible\n 17|//!    cursor movement during active TUI repaints, so Windows skips it.\n 18|//!\n*19|//! Escape sequences used:\n 20|//! - `CSI H` (CUP) — move cursor to (row, col)\n 21|//! - `CSI m` (SGR) — set graphic rendition (colors, bold, etc.)\n*22|//! - `CSI ? 2026 h/l` — begin/end synchronized output\n 23|//! - `CSI Ps SP q` — DECSCUSR cursor shape\n*24|//! - `ESC ] 52 ; c ; <base64> BEL` — OSC 52 clipboard write\n 25|//!\n*26|//! The goal is minimal output: skip unchanged cells, batch adjacent changes,\n 27|//! and minimize cursor movement.\n 28|\n 29|use std::cmp;\n...\n 33|\n*34|use crate::protocol::{underline_style_from_modifier, CellData, FrameData};\n 35|\n*36|const REVERSED_MODIFIER: u16 = 1 << 6;\n 37|\n*38|/// Bytes produced by a [`BlitEncoder`] for one terminal frame.\n*39|pub(crate) struct EncodedBlit {\n 40|    /// Terminal escape bytes ready to write to the host terminal.\n 41|    pub(crate) bytes: Vec<u8>,\n*42|    /// Whether this frame was encoded as a full redraw.\n 43|    pub(crate) full: bool,\n 44|    next_last_visible_cursor: Option<(u16, u16)>,\n 45|    next_last_cursor_shape: u8,\n...\n 50|pub(crate) struct BlitEncoder {\n*51|    last_frame: Option<FrameData>,\n 52|    last_visible_cursor: Option<(u16, u16)>,\n 53|    last_cursor_shape: u8,\n 54|}\n### wire.rs\n 6|use std::collections::HashMap;\n*7|use std::io::{self, Read, Write};\n 8|\n 9|use serde::{Deserialize, Serialize};\n 10|\n...\n 14|\n*15|/// Current protocol version. Bumped when wire format changes incompatibly.\n 16|pub const PROTOCOL_VERSION: u32 = 17;\n 17|\n*18|/// Maximum allowed frame payload size (2 MB). Frames larger than this are\n*19|/// rejected to prevent denial-of-service via oversized length prefixes.\n 20|pub const MAX_FRAME_SIZE: usize = 2 * 1024 * 1024;\n 21|\n*22|/// Maximum allowed server-to-client frame payload when Kitty graphics are enabled.\n 23|/// Normal traffic keeps `MAX_FRAME_SIZE`; this larger cap is only for explicit\n 24|/// image payloads that are naturally much larger after base64 encoding.\n 25|pub const MAX_GRAPHICS_FRAME_SIZE: usize = 32 * 1024 * 1024;\n...\n 36|\n*37|/// Render payload encoding negotiated during client handshake.\n 38|#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]\n 39|pub enum RenderEncoding {\n*40|    /// Send full semantic FrameData values. This is the local/default mode.\n 41|    SemanticFrame,\n*42|    /// Send already-diffed terminal ANSI byte streams.\n 43|    TerminalAnsi,\n 44|}\n 45|\n*46|/// Keybinding profile requested by an attached app client.\n 47|#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]\n 48|pub enum ClientKeybindings {\n 49|    /// Use the server's own keybinding config.\n 50|    Server,\n*51|    /// Use this attached client's normalized local `[keys]` config.\n 52|    Local { keys_toml: String },\n 53|}\n 54|\n*55|/// Client behavior requested at connection time.\n 56|#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]\n 57|pub enum ClientLaunchMode {\n 58|    /// Full app client.\n...\n 67|    Repeat,\n*68|    Release,\n 69|}\n 70|\n 71|#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]\n 72|pub enum ClientKeyCode {\n*73|    Backspace,\n 74|    Enter,\n 75|    Left,\n 76|    Right,\n...\n 81|    PageUp,\n*82|    PageDown,\n 83|    Tab,\n 84|    BackTab,\n*85|    Delete,\n 86|    Insert,\n 87|    Esc,\n 88|    Char(char),\n...\n 104|    Drag(ClientMouseButton),\n*105|    Moved,\n 106|    ScrollUp,\n 107|    ScrollDown,\n 108|    ScrollLeft,\n...\n 127|    },\n*128|    FocusGained,\n 129|    FocusLost,\n 130|}\n 131|\n...\n 133|    #[cfg(any(windows, test))]\n*134|    pub(crate) fn from_crossterm(kind: crossterm::event::KeyEventKind) -> Self {\n 135|        match kind {\n*136|            crossterm::event::KeyEventKind::Press => Self::Press,\n*137|            crossterm::event::KeyEventKind::Repeat => Self::Repeat,\n\n## server/\n### autodetect.rs\n 7|//!\n*8|//! The `--no-session` flag bypasses server/client entirely and runs monolithically\n 9|//! (escape hatch for users who want the traditional single-process behavior).\n 10|\n 11|use std::io;\n...\n 30|\n*31|/// Private daemon-start hint used to seed a fresh headless server from the\n 32|/// directory where the user ran `herdr`.\n 33|pub(crate) const STARTUP_CWD_ENV_VAR: &str = \"HERDR_STARTUP_CWD\";\n 34|\n...\n 41|/// This works by attempting to connect to the client socket. If the connection\n*42|/// succeeds, a server is running. If the socket file doesn't exist or the\n*43|/// connection is refused, no server is running. Stale sockets (from a crashed\n*44|/// server) are detected because connect returns `ConnectionRefused`\n 45|/// when nobody is listening.\n 46|#[allow(dead_code)] // Public API for external use and testing\n 47|pub fn is_server_listening() -> bool {\n...\n 66|            Ok(_) => {\n*67|                // Server is listening. Close the test connection immediately.\n 68|                // The server's handshake handler will time out on this connection\n*69|                // since we don't send Hello, which is fine.\n 70|                true\n 71|            }\n 72|            Err(err)\n...\n 74|                    err.kind(),\n*75|                    io::ErrorKind::ConnectionRefused | io::ErrorKind::TimedOut\n 76|                ) =>\n 77|            {\n 78|                // Socket file exists but nobody is listening — stale socket.\n...\n 81|            Err(err) if err.kind() == io::ErrorKind::NotFound => {\n*82|                // Socket file disappeared between exists() and connect().\n 83|                false\n 84|            }\n 85|            Err(err) => {\n*86|                // Other errors (permission denied, etc.) — assume not listening.\n*87|                tracing::warn!(err = %err, \"unexpected error checking server socket\");\n 88|                false\n 89|            }\n 90|        }\n...\n 98|#[cfg(windows)]\n*99|fn client_protocol_accepts_hello(socket_path: &Path) -> io::Result<bool> {\n 100|    if !socket_path.exists() {\n 101|        return Ok(false);\n 102|    }\n...\n 108|                err.kind(),\n*109|                io::ErrorKind::ConnectionRefused\n 110|                    | io::ErrorKind::NotFound\n*111|                    | io::ErrorKind::TimedOut\n 112|                    | io::ErrorKind::WouldBlock\n 113|            ) =>\n 114|        {\n...\n 119|\n*120|    let hello = crate::protocol::ClientMessage::Hello {\n 121|        version: crate::protocol::PROTOCOL_VERSION,\n 122|        cols: 80,\n 123|        rows: 24,\n*124|        cell_width_px: 0,\n*125|        cell_height_px: 0,\n*126|        requested_encoding: crate::protocol::RenderEncoding::SemanticFrame,\n 127|        keybindings: crate::protocol::ClientKeybindings::Server,\n 128|        launch_mode: crate::protocol::ClientLaunchMode::App,\n 129|    };\n 130|\n*131|    match crate::protocol::write_message(&mut stream, &hello) {\n 132|        Ok(()) => Ok(true),\n 133|        Err(crate::protocol::FramingError::Io(err))\n 134|            if matches!(\n 135|                err.kind(),\n*136|                io::ErrorKind::ConnectionRefused\n 137|                    | io::ErrorKind::NotFound\n### client_accept.rs\n 8|use crate::ipc::LocalListener;\n*9|use crate::server::client_transport::{self, ServerEvent};\n 10|\n 11|/// Accepts pending thin-client connections and starts their handshake readers.\n 12|pub(crate) fn accept_pending_client_connections(\n...\n 24|                if let Err(err) = stream.set_nonblocking(true) {\n*25|                    warn!(err = %err, \"failed to set client stream nonblocking\");\n 26|                    continue;\n 27|                }\n 28|\n...\n 37|                    ) {\n*38|                        debug!(client_id, err = %err, \"client handshake failed\");\n 39|                    }\n 40|                });\n 41|            }\n...\n 43|            Err(err) => {\n*44|                error!(err = %err, \"client listener accept failed\");\n 45|                break;\n 46|            }\n 47|        }\n...\n 55|/// During live handoff the old server must not let clients sit in the Unix\n*56|/// listener backlog waiting for a welcome frame that will never be sent.\n 57|pub(crate) fn reject_pending_client_connections(listener: &LocalListener) -> io::Result<()> {\n 58|    loop {\n 59|        match listener.accept() {\n...\n 62|            Err(err) => {\n*63|                error!(err = %err, \"client listener reject failed\");\n 64|                break;\n 65|            }\n 66|        }\n### client_transport.rs\n 3|//! This module owns the thin-client handshake, read loop, and writer loop.\n*4|//! It converts socket I/O into [`ServerEvent`] values consumed by\n 5|//! `HeadlessServer`.\n 6|\n 7|use std::collections::VecDeque;\n*8|use std::io::{self, Write};\n 9|use std::sync::atomic::{AtomicBool, Ordering};\n 10|use std::sync::mpsc::{SendError, TrySendError};\n 11|use std::sync::{Arc, Condvar, Mutex};\n...\n 20|use crate::protocol::{\n*21|    self, AttachScrollDirection, AttachScrollSource, ClientInputEvent, ClientKeybindings,\n 22|    ClientLaunchMode, ClientMessage, RenderEncoding, ServerMessage, MAX_CLIPBOARD_IMAGE_PAYLOAD,\n 23|    MAX_FRAME_SIZE, MAX_GRAPHICS_FRAME_SIZE, PROTOCOL_VERSION,\n 24|};\n 25|\n*26|/// Minimum accepted attached client size.\n 27|///\n*28|/// Narrow observers must be allowed to drive narrow renders, otherwise the\n 29|/// server wraps pane content against a wider width and the client sees the\n*30|/// right edge clipped.\n 31|const MIN_CLIENT_COLS: u16 = 1;\n 32|const MIN_CLIENT_ROWS: u16 = 1;\n 33|\n 34|/// How long to wait for a client handshake before closing the connection.\n*35|/// Set to 4 seconds (rather than 5) to guarantee the connection is closed\n*36|/// within the 5-second deadline, even with OS timer slack, thread scheduling,\n 37|/// and cleanup overhead.\n 38|const HANDSHAKE_TIMEOUT: Duration = Duration::from_secs(4);\n 39|\n...\n 41|const MAX_INPUT_PAYLOAD: usize = 1024 * 1024; // 1 MB\n*42|/// Maximum structured input events accepted in one client message.\n 43|const MAX_INPUT_EVENT_BATCH: usize = 4096;\n 44|\n*45|/// Channels owned by the server side of a client writer thread.\n 46|#[derive(Clone, Debug)]\n 47|pub(crate) struct ClientWriter {\n*48|    /// Reliable control messages such as shutdown, notifications, and clipboard writes.\n 49|    pub(crate) control: ClientControlWriter,\n 50|    /// Droppable render messages. Capacity is one so slow clients cannot build lag.\n 51|    pub(crate) render: ClientRenderWriter,\n...\n 55|impl ClientWriter {\n*56|    pub(crate) fn test_channel(\n 57|        control: std::sync::mpsc::Sender<Vec<u8>>,\n 58|        render: std::sync::mpsc::SyncSender<Vec<u8>>,\n*59|    ) -> Self {\n*60|        Self {\n 61|            control: ClientControlWriter {\n*62|                target: ClientControlTarget::Channel(control),\n 63|            },\n 64|            render: ClientRenderWriter {\n*65|                target: ClientRenderTarget::Channel(render),\n 66|            },\n 67|        }\n 68|    }\n...\n 79|    #[cfg(test)]\n*80|    Channel(std::sync::mpsc::Sender<Vec<u8>>),\n 81|}\n 82|\n 83|#[derive(Debug)]\n...\n 91|    #[cfg(test)]\n*92|    Channel(std::sync::mpsc::SyncSender<Vec<u8>>),\n 93|}\n 94|\n 95|impl Clone for ClientControlWriter {\n*96|    fn clone(&self) -> Self {\n*97|        match &self.target {\n 98|            ClientControlTarget::Queue(queue) => {\n 99|                queue.add_sender();\n### clients.rs\n 17|    (u16, u16),\n*18|    crate::kitty_graphics::HostCellSize,\n 19|    bool,\n 20|    ClientConnectionMode,\n 21|);\n...\n 23|#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]\n*24|pub(crate) enum DeferredRender {\n 25|    #[default]\n 26|    None,\n 27|    Graphics,\n...\n 30|\n*31|/// A connected client tracked by the server.\n 32|pub(crate) struct ClientConnection {\n 33|    /// Whether this connection is the full app client or a direct terminal attach.\n 34|    pub(crate) mode: ClientConnectionMode,\n...\n 40|    pub(crate) terminal_size: (u16, u16),\n*41|    /// Pixel size of one client terminal cell.\n*42|    pub(crate) cell_size: crate::kitty_graphics::HostCellSize,\n 43|    /// Last known host terminal default colors for this client.\n 44|    pub(crate) host_terminal_theme: crate::terminal_theme::TerminalTheme,\n 45|    /// Last known host terminal appearance for this client.\n...\n 48|    pub(crate) host_terminal_appearance_explicit: bool,\n*49|    /// Last reported focus state for this client's outer terminal.\n 50|    pub(crate) outer_terminal_focus: Option<bool>,\n 51|    /// Stateful parser for app-client input split across transport reads.\n 52|    pub(crate) raw_input: crate::raw_input::RawInputFramer,\n*53|    /// Monotonic activity stamp used to choose the fallback foreground client.\n 54|    pub(crate) last_activity: u64,\n*55|    /// Render baseline for the negotiated client encoding.\n 56|    pub(crate) render_state: ClientRenderState,\n 57|    /// Client-local host Kitty graphics cache.\n 58|    pub(crate) graphics_cache: crate::kitty_graphics::HostGraphicsCache,\n...\n 60|    pub(crate) graphics_surface_reset_pending: bool,\n*61|    /// Whether an ordinary render was skipped because the render channel was full.\n 62|    pub(crate) render_pending: bool,\n*63|    /// Whether a pane-graphics-only render was skipped because the channel was full.\n 64|    pane_graphics_render_pending: bool,\n 65|    /// Last host mouse capture mode sent to this client.\n 66|    pub(crate) host_mouse_capture_active: Option<bool>,\n*67|    /// Temporary files staged from this client's local clipboard image pastes.\n*68|    pub(crate) staged_clipboard_files: Vec<PathBuf>,\n*69|    /// Channels for sending framed ServerMessage data to the client writer thread.\n 70|    pub(crate) writer: Option<ClientWriter>,\n 71|}\n 72|\n...\n 76|        terminal_size: (u16, u16),\n*77|        cell_size: crate::kitty_graphics::HostCellSize,\n 78|        host_terminal_theme: crate::terminal_theme::TerminalTheme,\n 79|        outer_terminal_focus: Option<bool>,\n 80|        last_activity: u64,\n...\n 82|        writer: Option<ClientWriter>,\n*83|    ) -> Self {\n*84|        Self::new_with_mode(\n 85|            ClientConnectionMode::App,\n 86|            None,\n 87|            terminal_size,\n*88|            cell_size,\n 89|            host_terminal_theme,\n 90|            outer_terminal_focus,\n 91|            last_activity,\n...\n 101|        terminal_size: (u16, u16),\n*102|        cell_size: crate::kitty_graphics::HostCellSize,\n 103|        host_terminal_theme: crate::terminal_theme::TerminalTheme,\n 104|        outer_terminal_focus: Option<bool>,\n 105|        last_activity: u64,\n...\n 108|        writer: Option<ClientWriter>,\n*109|    ) -> Self {\n*110|        Self {\n 111|            mode,\n 112|            pending_terminal_attach,\n 113|            keybindings,\n### clipboard_image.rs\n 1|use std::fs;\n*2|use std::io::{self, Write as _};\n 3|use std::path::{Path, PathBuf};\n 4|use std::time::{Duration, SystemTime, UNIX_EPOCH};\n 5|\n*6|const STAGED_CLIPBOARD_IMAGE_MAX_AGE: Duration = Duration::from_secs(24 * 60 * 60);\n 7|\n*8|pub(crate) struct StagedClipboardImage {\n 9|    pub(crate) path: PathBuf,\n 10|    pub(crate) paste_text: String,\n 11|}\n...\n 16|    data: &[u8],\n*17|) -> io::Result<StagedClipboardImage> {\n 18|    let extension = sanitize_extension(extension);\n 19|    let dir = ensure_staging_dir()?;\n 20|    cleanup_stale(&dir);\n...\n 39|        file.write_all(data)?;\n*40|        return Ok(StagedClipboardImage {\n*41|            paste_text: path.to_string_lossy().into_owned(),\n 42|            path,\n 43|        });\n 44|    }\n...\n 47|        io::ErrorKind::AlreadyExists,\n*48|        \"failed to allocate unique clipboard image staging path\",\n 49|    ))\n 50|}\n 51|\n...\n 60|        \"png\"\n*61|    } else if extension.eq_ignore_ascii_case(\"jpg\") || extension.eq_ignore_ascii_case(\"jpeg\") {\n 62|        \"jpg\"\n*63|    } else if extension.eq_ignore_ascii_case(\"gif\") {\n 64|        \"gif\"\n*65|    } else if extension.eq_ignore_ascii_case(\"webp\") {\n 66|        \"webp\"\n*67|    } else if extension.eq_ignore_ascii_case(\"bmp\") {\n 68|        \"bmp\"\n*69|    } else {\n 70|        \"png\"\n 71|    }\n 72|}\n...\n 118|fn cleanup_stale(dir: &Path) {\n*119|    let Ok(entries) = fs::read_dir(dir) else {\n 120|        return;\n 121|    };\n 122|    for entry in entries.flatten() {\n 123|        let path = entry.path();\n*124|        let Ok(metadata) = entry.metadata() else {\n 125|            continue;\n 126|        };\n*127|        let Ok(modified) = metadata.modified() else {\n 128|            continue;\n 129|        };\n*130|        if modified.elapsed().unwrap_or_default() > STAGED_CLIPBOARD_IMAGE_MAX_AGE {\n 131|            let _ = fs::remove_file(path);\n 132|        }\n 133|    }\n### handoff.rs\n 1|#[cfg(unix)]\n*2|use std::io::{self, Read, Write};\n 3|#[cfg(unix)]\n 4|use std::os::fd::{AsRawFd, RawFd};\n 5|#[cfg(unix)]\n...\n 23|#[cfg(unix)]\n*24|const OWNED_ACK_TIMEOUT: Duration = Duration::from_millis(500);\n 25|#[cfg(unix)]\n 26|pub(crate) const MAX_FDS_PER_HANDOFF: usize = 64;\n 27|#[cfg(unix)]\n...\n 37|    pub source_protocol: u32,\n*38|    pub expected_version: Option<String>,\n*39|    pub expected_protocol: Option<u32>,\n 40|    pub snapshot: crate::persist::SessionSnapshot,\n 41|    pub panes: Vec<crate::handoff_runtime::HandoffRuntimeState>,\n 42|}\n...\n 44|#[cfg(unix)]\n*45|pub(crate) struct ReceivedHandoff {\n 46|    pub manifest: HandoffManifest,\n 47|    pub fds: Vec<RawFd>,\n 48|    pub stream: UnixStream,\n...\n 64|        import_exe\n*65|    } else {\n 66|        fallback_exe = std::env::current_exe().map_err(|err| {\n 67|            io::Error::new(\n 68|                err.kind(),\n*69|                format!(\"failed to determine herdr executable path: {err}\"),\n 70|            )\n 71|        })?;\n 72|        &fallback_exe\n...\n 82|        .stderr(std::process::Stdio::null());\n*83|    if crate::session::explicit_session_requested() {\n 84|        // The import child no longer has the original `--session` argument, so\n*85|        // stale socket overrides must not mask the inherited HERDR_SESSION.\n 86|        command\n 87|            .env_remove(crate::api::SOCKET_PATH_ENV_VAR)\n 88|            .env_remove(crate::server::socket_paths::CLIENT_SOCKET_PATH_ENV_VAR);\n...\n 94|            format!(\n*95|                \"failed to spawn handoff import server at {}: {err}\",\n 96|                exe.display()\n 97|            ),\n 98|        )\n...\n 102|#[cfg(unix)]\n*103|pub(crate) fn cleanup_failed_import_child(child: &mut Child) {\n 104|    let pid = child.id();\n 105|    match child.try_wait() {\n 106|        Ok(Some(status)) => {\n*107|            info!(pid, status = %status, \"handoff import server exited during rollback\");\n 108|            return;\n 109|        }\n 110|        Ok(None) => {}\n 111|        Err(err) => {\n*112|            warn!(pid, err = %err, \"failed to inspect handoff import server before rollback\");\n 113|        }\n 114|    }\n 115|\n 116|    if let Err(err) = child.kill() {\n*117|        warn!(pid, err = %err, \"failed to kill handoff import server during rollback\");\n 118|    }\n 119|    match child.wait() {\n 120|        Ok(status) => {\n*121|            info!(pid, status = %status, \"handoff import server reaped during rollback\");\n 122|        }\n 123|        Err(err) => {\n*124|            warn!(pid, err = %err, \"failed to reap handoff import server during rollback\");\n 125|        }\n 126|    }\n 127|}\n...\n 148|    stream.set_write_timeout(Some(READY_TIMEOUT))?;\n*149|    let token_line = read_line_unbuffered(&mut stream)?;\n*150|    if token_line.trim_end() != token {\n 151|        return Err(io::Error::new(\n*152|            io::ErrorKind::PermissionDenied,\n 153|            \"handoff import token mismatch\",\n 154|        ));\n 155|    }\n...\n 161|    stream.set_read_timeout(Some(READY_TIMEOUT))?;\n*162|    let validated = read_line_unbuffered(&mut stream)?;\n### headless.rs\n 7|//! - Initializes AppState and all PTYs from session restore or fresh state\n*8|//! - Runs the main event loop (drain events, drain API requests, scheduled tasks)\n 9|//! - Renders to a virtual ratatui Buffer in memory\n 10|//! - Accepts client connections on the client socket\n*11|//! - Streams frames to connected clients after each render\n*12|//! - Routes client input events through the existing input pipeline\n 13|//! - Continues running after client disconnect\n 14|//! - Handles stale socket cleanup, explicit server stop, minimum terminal size,\n 15|//!   and pane spawn failure during restore\n...\n 41|use crate::ipc::{\n*42|    bind_local_listener, remove_socket_file_if_owned, socket_file_identity, LocalListener,\n 43|    SocketFileIdentity,\n 44|};\n 45|use crate::protocol::{\n*46|    self, AttachScrollDirection, AttachScrollSource, FrameData, ServerMessage, MAX_FRAME_SIZE,\n 47|    MAX_GRAPHICS_FRAME_SIZE,\n 48|};\n 49|#[cfg(unix)]\n...\n 55|    events_include_interaction, latest_app_client, render_targets, terminal_stream_client_ids,\n*56|    ClientConnection, ClientConnectionMode, DeferredRender,\n 57|};\n 58|use crate::server::keybindings::{app_keybindings, apply_keybindings};\n 59|use crate::server::notifications::{\n...\n 70|use pane_graphics::frame_pane_graphics_for_client;\n*71|use pane_graphics::RetainedGraphicsOutcome;\n 72|\n 73|#[cfg(test)]\n 74|use crate::protocol::RenderEncoding;\n...\n 84|) {\n*85|    let Some(response_write_complete) = response_write_complete else {\n 86|        return;\n 87|    };\n 88|\n...\n 91|        Err(std::sync::mpsc::RecvTimeoutError::Timeout) => {\n*92|            warn!(\"timed out waiting for live handoff response write; old server exiting\");\n 93|        }\n*94|        Err(std::sync::mpsc::RecvTimeoutError::Disconnected) => {\n*95|            warn!(\"live handoff response writer disconnected; old server exiting\");\n 96|        }\n 97|    }\n 98|}\n...\n 107|fn notification_show_response_shown(response: &str) -> bool {\n*108|    let Ok(response) = serde_json::from_str::<api::schema::SuccessResponse>(response) else {\n 109|        return false;\n 110|    };\n 111|    matches!(\n...\n 117|fn non_empty_body(value: &str) -> Option<String> {\n*118|    (!value.is_empty()).then(|| value.to_owned())\n 119|}\n 120|\n 121|// ---------------------------------------------------------------------------\n...\n 130|    ServerEvent(ServerEvent),\n*131|    RenderRequested,\n 132|}\n 133|\n 134|#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, PartialOrd, Ord)]\n...\n 142|impl RenderImpact {\n*143|    fn merge(&mut self, other: Self) {\n*144|        *self = (*self).max(other);\n 145|    }\n 146|}\n 147|\n...\n 158|\n*159|fn rect_fits_frame(rect: Rect, frame: &FrameData) -> bool {\n 160|    rect.x.saturating_add(rect.width) <= frame.width\n 161|        && rect.y.saturating_add(rect.height) <= frame.height\n 162|}\n...\n 164|fn apply_terminal_dirty_patch(\n*165|    frame: &mut FrameData,\n 166|    area: Rect,\n 167|    patch: crate::pane::TerminalDirtyPatch,\n 168|) -> bool {\n...\n 172|    let width = usize::from(frame.width);\n*173|    for (local_y, row_cells) in patch.rows {\n*174|        if local_y >= area.height || row_cells.len() != usize::from(area.width) {\n 175|            return false;\n 176|        }\n 177|        let frame_y = area.y + local_y;\n### notifications.rs\n 8|\n*9|pub(crate) fn should_forward_toast_to_clients(delivery: config::ToastDelivery) -> bool {\n*10|    toast_notify_kind(delivery).is_some()\n 11|}\n 12|\n*13|pub(crate) fn toast_notify_kind(delivery: config::ToastDelivery) -> Option<protocol::NotifyKind> {\n*14|    match delivery {\n*15|        config::ToastDelivery::Terminal => Some(protocol::NotifyKind::Toast),\n*16|        config::ToastDelivery::System => Some(protocol::NotifyKind::SystemToast),\n*17|        config::ToastDelivery::Off | config::ToastDelivery::Herdr => None,\n 18|    }\n 19|}\n 20|\n...\n 27|    new_state: AgentState,\n*28|    previous_agent_label: Option<&str>,\n 29|) -> Option<String> {\n 30|    state\n*31|        .workspaces\n 32|        .iter()\n 33|        .enumerate()\n 34|        .find_map(|(ws_idx, ws)| {\n...\n 36|                let pane = tab.panes.get(&pane_id)?;\n*37|                let agent_label = state\n 38|                    .terminals\n*39|                    .get(&pane.attached_terminal_id)\n*40|                    .and_then(|terminal| terminal.effective_agent_label())?;\n*41|                let kind = app::actions::notification_toast_for_state_change_with_agent_labels(\n 42|                    suppress_active_tab_notifications,\n 43|                    prev_state,\n 44|                    new_state,\n*45|                    previous_agent_label,\n*46|                    Some(agent_label),\n 47|                )?;\n*48|                let workspace_label = ws.display_name_from(&state.terminals, terminal_runtimes);\n 49|                Some(format!(\n 50|                    \"{} {}: {}\",\n*51|                    agent_label,\n 52|                    toast_event_text(kind),\n*53|                    app::actions::notification_context(ws, &workspace_label, ws_idx, pane_id)\n 54|                ))\n 55|            })\n 56|        })\n...\n 60|    match kind {\n*61|        app::state::ToastKind::NeedsAttention => \"needs attention\",\n*62|        app::state::ToastKind::Finished => \"finished\",\n### render_stream.rs\n*1|//! Virtual rendering helpers for headless client frame streaming.\n 2|\n*3|use ratatui::backend::{Backend, ClearType, TestBackend, WindowSize};\n 4|use ratatui::layout::{Position, Rect, Size};\n 5|\n 6|use crate::app::state::AppState;\n 7|use crate::app::Mode;\n*8|use crate::protocol::render_ansi::{BlitEncoder, EncodedBlit};\n*9|use crate::protocol::{CursorState, FrameData, RenderEncoding, ServerMessage, TerminalFrame};\n 10|use crate::terminal::TerminalRuntimeRegistry;\n 11|\n*12|/// Per-client render baseline for the negotiated render encoding.\n 13|pub(crate) enum ClientRenderState {\n 14|    /// Semantic clients compare full frame data and skip identical frames.\n*15|    Semantic { last_frame: Option<FrameData> },\n 16|    /// Terminal-ANSI clients keep a terminal diff encoder and sequence number.\n 17|    TerminalAnsi { blit_encoder: BlitEncoder, seq: u64 },\n 18|}\n...\n 20|impl ClientRenderState {\n*21|    pub(crate) fn new(render_encoding: RenderEncoding) -> Self {\n 22|        match render_encoding {\n*23|            RenderEncoding::SemanticFrame => Self::Semantic { last_frame: None },\n*24|            RenderEncoding::TerminalAnsi => Self::TerminalAnsi {\n 25|                blit_encoder: BlitEncoder::new(),\n 26|                seq: 0,\n 27|            },\n...\n 30|\n*31|    pub(crate) fn reset_baseline(&mut self) {\n*32|        match self {\n*33|            Self::Semantic { last_frame } => *last_frame = None,\n*34|            Self::TerminalAnsi { blit_encoder, .. } => *blit_encoder = BlitEncoder::new(),\n 35|        }\n 36|    }\n 37|\n*38|    pub(crate) fn reset_semantic_input_baseline(&mut self) {\n*39|        if let Self::Semantic { last_frame } = self {\n 40|            *last_frame = None;\n 41|        }\n 42|    }\n 43|\n*44|    pub(crate) fn prepare_frame(&mut self, frame: FrameData) -> Option<PreparedRender> {\n*45|        match self {\n*46|            Self::Semantic { last_frame } => {\n 47|                if last_frame.as_ref() == Some(&frame) {\n 48|                    crate::render_prof::event(\"prepare_frame.semantic.skip_current\");\n 49|                    return None;\n 50|                }\n*51|                crate::render_prof::event(\"prepare_frame.semantic.changed\");\n*52|                Some(PreparedRender::Semantic {\n 53|                    message: ServerMessage::Frame(frame),\n 54|                })\n 55|            }\n### socket_paths.rs\n 6|/// Contractual override behavior for auto-detect uses `HERDR_SOCKET_PATH`.\n*7|/// This variable is kept as a fallback for callers that explicitly need a\n 8|/// client-only override when `HERDR_SOCKET_PATH` is not set.\n 9|pub const CLIENT_SOCKET_PATH_ENV_VAR: &str = \"HERDR_CLIENT_SOCKET_PATH\";\n 10|\n...\n 15|///\n*16|/// Contract-aligned override behavior:\n 17|/// 1. If CLI `--session <name>` is active, use that session's client socket.\n 18|/// 2. If `HERDR_SOCKET_PATH` is set, derive the client socket path from it by\n 19|///    inserting `-client` before `.sock` (e.g. `herdr.sock` -> `herdr-client.sock`).\n...\n 23|pub fn client_socket_path() -> PathBuf {\n*24|    if crate::session::explicit_session_requested() {\n 25|        return crate::session::client_socket_path_for(crate::session::active_name().as_deref());\n 26|    }\n 27|    client_socket_path_from_overrides(\n...\n 54|        .unwrap_or(\"herdr\");\n*55|    let parent = api_socket_path.parent().unwrap_or_else(|| Path::new(\"\"));\n 56|\n 57|    if api_socket_path\n 58|        .extension()\n...\n 92|    #[test]\n*93|    fn client_socket_path_derived_from_api_socket_override() {\n 94|        let path = client_socket_path_from_overrides(Some(\"/tmp/test-herdr.sock\"), None);\n 95|        assert_eq!(path, PathBuf::from(\"/tmp/test-herdr-client.sock\"));\n 96|    }\n...\n 98|    #[test]\n*99|    fn client_socket_path_api_override_takes_precedence_over_legacy_client_override() {\n 100|        let path = client_socket_path_from_overrides(\n 101|            Some(\"/tmp/test-herdr.sock\"),\n 102|            Some(\"/tmp/legacy-client.sock\"),\n...\n 122|    fn derive_client_socket_from_api_socket_without_sock_extension() {\n*123|        let derived = derive_client_socket_from_api_socket(Path::new(\"/tmp/custom-api\"));\n*124|        assert_eq!(derived, PathBuf::from(\"/tmp/custom-api-client.sock\"));\n 125|    }\n 126|\n 127|    #[test]\n### terminal_attach.rs\n 6|        .input_state()\n*7|        .map(|state| state.bracketed_paste)\n 8|        .unwrap_or(false)\n 9|    {\n 10|        format!(\"\\x1b[200~{text}\\x1b[201~\")\n*11|    } else {\n*12|        text.to_owned()\n 13|    }\n 14|}\n\n### headless/\n#### pane_graphics.rs\n 5|use crate::protocol::{ServerMessage, MAX_GRAPHICS_FRAME_SIZE};\n*6|use crate::server::clients::{render_targets, ClientConnectionMode, DeferredRender};\n 7|\n 8|#[derive(Clone, Copy, Debug, PartialEq, Eq)]\n*9|pub(super) enum RetainedGraphicsOutcome {\n 10|    Sent,\n*11|    Deferred,\n 12|    Fallback,\n 13|}\n 14|\n...\n 18|    }\n*19|    let mut framed = Vec::with_capacity(bytes.len() + 4);\n*20|    framed.extend_from_slice(b\"\\x1b7\");\n*21|    framed.extend_from_slice(&bytes);\n*22|    framed.extend_from_slice(b\"\\x1b8\");\n*23|    framed\n 24|}\n 25|\n 26|impl HeadlessServer {\n*27|    pub(super) fn pane_graphics_runtime_active(&self) -> bool {\n*28|        !self.app.state.pane_graphics_layers.is_empty()\n*29|            || !self.app.state.pane_graphics_streams.is_empty()\n 30|    }\n 31|\n*32|    pub(super) fn cancel_inactive_pane_graphics_streams(&self) {\n*33|        api::cancel_inactive_pane_graphics_streams(|owner| {\n*34|            self.app\n 35|                .state\n 36|                .pane_graphics_streams\n 37|                .values()\n...\n 42|    pub(super) fn handle_pane_graphics_stream_frame(\n*43|        &mut self,\n 44|        msg: api::ApiRequestMessage,\n 45|    ) -> RenderImpact {\n*46|        if self.shutting_down {\n*47|            let _ = self.handle_api_request_with_shutdown_check_inner(msg, false);\n 48|            return RenderImpact::None;\n 49|        }\n 50|\n*51|        let internal_changed = self.drain_all_internal_events_with_forwarding();\n*52|        let response = self\n 53|            .app\n*54|            .handle_api_request_after_internal_events_drained(msg.request);\n\n#### tests/\n##### pane_graphics.rs\n 14|    client_rx: &std::sync::mpsc::Receiver<Vec<u8>>,\n*15|) -> FrameData {\n*16|    server.app.state.kitty_graphics_enabled = true;\n*17|    server.clients.get_mut(&1).unwrap().cell_size = crate::kitty_graphics::HostCellSize {\n 18|        width_px: 10,\n 19|        height_px: 20,\n 20|    };\n...\n 42|fn fill_render_lane(server: &HeadlessServer) {\n*43|    let queued = HeadlessServer::frame_server_message(&ServerMessage::ReloadSoundConfig)\n 44|        .expect(\"dummy frame\");\n 45|    server\n 46|        .clients\n...\n 52|        .render\n*53|        .try_send(queued)\n 54|        .expect(\"pre-fill render lane\");\n 55|}\n 56|\n...\n 62|) -> (api::ApiRequestMessage, std::sync::mpsc::Receiver<String>) {\n*63|    let (respond_to, response_rx) = std::sync::mpsc::channel();\n 64|    (\n 65|        api::ApiRequestMessage {\n 66|            request: api::schema::Request {\n...\n 88|#[tokio::test]\n*89|async fn retained_update_sends_only_graphics_message() {\n*90|    let (mut server, client_rx, pane_id) = retained_test_server(b\"aaaa\");\n*91|    let baseline = enable_graphics_and_render(&mut server, &client_rx);\n 92|    set_graphics_layer(&mut server, pane_id, vec![1, 2, 3]);\n 93|\n 94|    assert_eq!(\n*95|        server.render_retained_graphics_update_and_stream(),\n*96|        RetainedGraphicsOutcome::Sent\n 97|    );\n 98|    match read_server_message(\n 99|        client_rx\n...\n 105|        }\n*106|        other => panic!(\"expected graphics-only message, got {other:?}\"),\n 107|    }\n 108|    assert_frame_data_eq(\n 109|        server\n...\n 114|            .last_frame()\n*115|            .expect(\"semantic baseline\"),\n*116|        &baseline,\n 117|    );\n 118|}\n 119|\n 120|#[tokio::test]\n*121|async fn retained_update_defers_on_full_render_lane() {\n*122|    let (mut server, client_rx, pane_id) = retained_test_server(b\"aaaa\");\n 123|    let _ = enable_graphics_and_render(&mut server, &client_rx);\n 124|    fill_render_lane(&server);\n 125|    set_graphics_layer(&mut server, pane_id, vec![4, 5, 6]);\n...\n 127|    assert_eq!(\n*128|        server.render_retained_graphics_update_and_stream(),\n*129|        RetainedGraphicsOutcome::Deferred\n 130|    );\n 131|    let client = server.clients.get(&1).unwrap();\n*132|    assert_eq!(client.deferred_render(), DeferredRender::Graphics);\n 133|    assert!(matches!(\n 134|        read_server_message(client_rx.recv_timeout(Duration::from_millis(100)).unwrap()),\n*135|        ServerMessage::ReloadSoundConfig\n 136|    ));\n 137|    assert_eq!(\n\n## pane/\n### agent_detection.rs\n 24|pub(super) struct PendingIdleConfirmation {\n*25|    started_at: Option<std::time::Instant>,\n 26|    confirmations: u8,\n 27|}\n 28|\n 29|impl PendingIdleConfirmation {\n*30|    pub(super) fn active(&self) -> bool {\n*31|        self.started_at.is_some()\n 32|    }\n 33|\n*34|    pub(super) fn clear(&mut self) {\n*35|        self.started_at = None;\n*36|        self.confirmations = 0;\n 37|    }\n 38|\n 39|    pub(super) fn should_hold_working_to_idle(\n*40|        &mut self,\n 41|        previous: DetectionPublishState,\n 42|        next: DetectionPublishState,\n*43|        agent_changed: bool,\n*44|        process_exited: bool,\n 45|        now: std::time::Instant,\n 46|    ) -> bool {\n 47|        let is_working_to_plain_idle = previous.state == AgentState::Working\n...\n 50|            && !next.visible_blocker\n*51|            && !agent_changed\n*52|            && !process_exited;\n 53|\n 54|        if !is_working_to_plain_idle {\n*55|            self.clear();\n 56|            return false;\n 57|        }\n 58|\n*59|        let Some(started_at) = self.started_at else {\n*60|            self.started_at = Some(now);\n*61|            self.confirmations = 0;\n 62|            return true;\n 63|        };\n 64|\n*65|        if now.duration_since(started_at) >= AGENT_PENDING_IDLE_CAP {\n*66|            self.clear();\n 67|            return false;\n 68|        }\n 69|\n*70|        self.confirmations = self.confirmations.saturating_add(1);\n*71|        if self.confirmations >= AGENT_PENDING_IDLE_CONFIRMATIONS {\n*72|            self.clear();\n 73|            return false;\n 74|        }\n 75|\n### cursor.rs\n 21|        collecting_first_param: bool,\n*22|        has_space_intermediate: bool,\n 23|    },\n 24|}\n 25|\n 26|impl DecscusrTracker {\n*27|    pub(crate) fn observe(&mut self, bytes: &[u8]) {\n 28|        for &byte in bytes {\n*29|            self.observe_byte(byte);\n 30|        }\n 31|    }\n 32|\n*33|    fn observe_byte(&mut self, byte: u8) {\n*34|        match &mut self.state {\n 35|            DecscusrParseState::Ground => {\n 36|                if byte == 0x1b {\n*37|                    self.state = DecscusrParseState::Escape;\n 38|                }\n 39|            }\n 40|            DecscusrParseState::Escape => {\n*41|                self.state = if byte == b'[' {\n 42|                    DecscusrParseState::Csi {\n 43|                        first_param: None,\n 44|                        collecting_first_param: true,\n*45|                        has_space_intermediate: false,\n 46|                    }\n*47|                } else if byte == 0x1b {\n 48|                    DecscusrParseState::Escape\n*49|                } else {\n 50|                    DecscusrParseState::Ground\n 51|                };\n 52|            }\n...\n 55|                collecting_first_param,\n*56|                has_space_intermediate,\n 57|            } => {\n 58|                if byte == 0x1b {\n*59|                    self.state = DecscusrParseState::Escape;\n*60|                } else if byte.is_ascii_digit() && *collecting_first_param {\n 61|                    let digit = u16::from(byte - b'0');\n 62|                    *first_param = Some(first_param.unwrap_or(0).saturating_mul(10) + digit);\n*63|                } else if byte == b';' || byte == b':' {\n 64|                    *collecting_first_param = false;\n*65|                } else if byte == b' ' {\n*66|                    *has_space_intermediate = true;\n 67|                    *collecting_first_param = false;\n*68|                } else if (0x40..=0x7e).contains(&byte) {\n*69|                    if byte == b'q' && *has_space_intermediate {\n 70|                        let param = first_param.unwrap_or(0);\n 71|                        if param <= 6 {\n*72|                            self.cursor_shape_overridden = param != 0;\n 73|                        }\n 74|                    }\n*75|                    self.state = DecscusrParseState::Ground;\n### input.rs\n 8|        }\n*9|        crossterm::event::KeyEventKind::Release => {\n*10|            crate::ghostty::ffi::GhosttyKeyAction_GHOSTTY_KEY_ACTION_RELEASE\n 11|        }\n 12|        crossterm::event::KeyEventKind::Repeat => {\n 13|            crate::ghostty::ffi::GhosttyKeyAction_GHOSTTY_KEY_ACTION_REPEAT\n...\n 18|        key.code,\n*19|        key.shifted_codepoint,\n 20|    )?);\n 21|\n 22|    if let Some(text) = ghostty_key_text(key) {\n 23|        event.set_utf8(&text);\n*24|    } else {\n 25|        event.set_utf8(\"\");\n 26|    }\n 27|\n*28|    if let Some(codepoint) = ghostty_unshifted_codepoint(key) {\n*29|        event.set_unshifted_codepoint(codepoint);\n 30|    }\n 31|\n 32|    Some(event)\n...\n 61|    if terminal\n*62|        .mode_get(crate::ghostty::MODE_MOUSE_SGR_PIXELS)\n 63|        .ok()?\n 64|    {\n*65|        // Herdr receives host mouse positions in terminal cells. Downgrade\n*66|        // SGR-pixels to normal SGR so forwarded coordinates stay cell-local.\n 67|        encoder.set_format(crate::ghostty::MOUSE_FORMAT_SGR);\n 68|    }\n 69|    let cols = terminal.cols().ok()? as u32;\n...\n 95|        crossterm::event::MouseEventKind::Up(crossterm::event::MouseButton::Left) => (\n*96|            crate::ghostty::MOUSE_ACTION_RELEASE,\n 97|            Some(crate::ghostty::MOUSE_BUTTON_LEFT),\n 98|        ),\n 99|        crossterm::event::MouseEventKind::Up(crossterm::event::MouseButton::Middle) => (\n*100|            crate::ghostty::MOUSE_ACTION_RELEASE,\n 101|            Some(crate::ghostty::MOUSE_BUTTON_MIDDLE),\n 102|        ),\n 103|        crossterm::event::MouseEventKind::Up(crossterm::event::MouseButton::Right) => (\n*104|            crate::ghostty::MOUSE_ACTION_RELEASE,\n 105|            Some(crate::ghostty::MOUSE_BUTTON_RIGHT),\n 106|        ),\n 107|        crossterm::event::MouseEventKind::Drag(crossterm::event::MouseButton::Left) => (\n...\n 123|        event.set_button(button);\n*124|    } else {\n 125|        event.clear_button();\n 126|    }\n 127|    event.set_mods(ghostty_mods_from_key_modifiers(modifiers));\n...\n 137|) -> Option<crate::ghostty::MouseEvent> {\n*138|    if kind != crossterm::event::MouseEventKind::Moved {\n 139|        return None;\n 140|    }\n 141|\n...\n 149|\n*150|pub(super) fn ghostty_mouse_event_from_wheel_kind(\n 151|    kind: crossterm::event::MouseEventKind,\n 152|    column: u16,\n 153|    row: u16,\n...\n 158|    let button = match kind {\n*159|        crossterm::event::MouseEventKind::ScrollUp => crate::ghostty::MOUSE_BUTTON_WHEEL_UP,\n*160|        crossterm::event::MouseEventKind::ScrollDown => crate::ghostty::MOUSE_BUTTON_WHEEL_DOWN,\n*161|        crossterm::event::MouseEventKind::ScrollLeft => crate::ghostty::MOUSE_BUTTON_WHEEL_LEFT,\n*162|        crossterm::event::MouseEventKind::ScrollRight => crate::ghostty::MOUSE_BUTTON_WHEEL_RIGHT,\n 163|        _ => return None,\n 164|    };\n 165|    event.set_button(button);\n...\n 173|        crossterm::event::KeyCode::Char(c) => Some(\n*174|            key.shifted_codepoint\n 175|                .and_then(char::from_u32)\n 176|                .unwrap_or(c)\n 177|                .to_string(),\n### kitty_keyboard.rs\n 8|impl KittyKeyboardTracker {\n*9|    pub(crate) fn observe(&mut self, bytes: &[u8]) {\n*10|        let combined;\n*11|        let bytes = if self.pending.is_empty() {\n 12|            bytes\n*13|        } else {\n*14|            combined = self\n 15|                .pending\n 16|                .iter()\n*17|                .copied()\n*18|                .chain(bytes.iter().copied())\n 19|                .collect::<Vec<_>>();\n*20|            self.pending.clear();\n*21|            &combined\n 22|        };\n 23|        let mut index = 0;\n 24|        while index < bytes.len() {\n...\n 29|            if index + 1 >= bytes.len() {\n*30|                self.store_pending(&bytes[index..]);\n 31|                break;\n 32|            }\n 33|            if bytes[index + 1] != b'[' {\n...\n 42|            if end >= bytes.len() {\n*43|                self.store_pending(&bytes[index..]);\n 44|                break;\n 45|            }\n 46|\n 47|            if bytes[end] == b'u' {\n*48|                self.observe_csi_u(&bytes[index + 2..end]);\n 49|            }\n 50|            index = end + 1;\n 51|        }\n...\n 53|\n*54|    fn store_pending(&mut self, bytes: &[u8]) {\n*55|        self.pending.clear();\n 56|        if bytes.len() <= 64 {\n*57|            self.pending.extend_from_slice(bytes);\n 58|        }\n 59|    }\n 60|\n*61|    fn observe_csi_u(&mut self, params: &[u8]) {\n*62|        let Some((&kind, rest)) = params.split_first() else {\n 63|            return;\n 64|        };\n 65|        match kind {\n...\n 67|                let flags = parse_kitty_keyboard_flags(rest);\n*68|                self.stack.push(self.flags);\n*69|                self.flags = flags;\n 70|            }\n 71|            b'=' => {\n*72|                self.flags = parse_kitty_keyboard_flags(rest);\n 73|            }\n 74|            b'<' => {\n 75|                let count = parse_kitty_keyboard_flags(rest).max(1);\n\nShowing files 1-20 of 25+. 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Shared wire protocol and presentation encoding code.\n 2│\n 3│pub(crate) mod render_ansi;\n 4│mod wire;\n### render_ansi.rs\n *1│//! Frame blitting — renders FrameData to the terminal using diff-based updates.\n  2│//!\n  3│//! The blitting strategy:\n *4│//! 1. On the first frame, write the entire buffer (full redraw).\n  5│//! 2. On subsequent frames, diff against the last frame and only write\n *6│//!    the cells that changed.\n *7│//! 3. Wrap each frame in synchronized output so terminals that support it do\n *8│//!    not expose intermediate cursor positions while the frame is painted.\n *9│//! 4. Before writing any cells, hide the cursor to avoid stray cursor\n*10│//!    artifacts on terminals that render the hardware cursor at intermediate\n 11│//!    `CUP` positions during the frame stream.\n*12│//! 5. After writing all changed cells, restore the final cursor visibility\n 13│//!    and position from `frame.cursor`.\n*14│//! 6. On platforms that need it, repeat the final cursor anchor after ending\n*15│//!    synchronized output so external IMEs can place candidate windows at the\n 16│//!    real input position. Windows Terminal exposes that repeat as visible\n 17│//!    cursor movement during active TUI repaints, so Windows skips it.\n 18│//!\n*19│//! Escape sequences used:\n 20│//! - `CSI H` (CUP) — move cursor to (row, col)\n 21│//! - `CSI m` (SGR) — set graphic rendition (colors, bold, etc.)\n*22│//! - `CSI ? 2026 h/l` — begin/end synchronized output\n 23│//! - `CSI Ps SP q` — DECSCUSR cursor shape\n*24│//! - `ESC ] 52 ; c ; <base64> BEL` — OSC 52 clipboard write\n 25│//!\n*26│//! The goal is minimal output: skip unchanged cells, batch adjacent changes,\n 27│//! and minimize cursor movement.\n 28│\n 29│use std::cmp;\n   │...\n 33│\n*34│use crate::protocol::{underline_style_from_modifier, CellData, FrameData};\n 35│\n*36│const REVERSED_MODIFIER: u16 = 1 << 6;\n 37│\n*38│/// Bytes produced by a [`BlitEncoder`] for one terminal frame.\n*39│pub(crate) struct EncodedBlit {\n 40│    /// Terminal escape bytes ready to write to the host terminal.\n 41│    pub(crate) bytes: Vec<u8>,\n*42│    /// Whether this frame was encoded as a full redraw.\n 43│    pub(crate) full: bool,\n 44│    next_last_visible_cursor: Option<(u16, u16)>,\n 45│    next_last_cursor_shape: u8,\n   │...\n 50│pub(crate) struct BlitEncoder {\n*51│    last_frame: Option<FrameData>,\n 52│    last_visible_cursor: Option<(u16, u16)>,\n 53│    last_cursor_shape: u8,\n 54│}\n### wire.rs\n   6│use std::collections::HashMap;\n  *7│use std::io::{self, Read, Write};\n   8│\n   9│use serde::{Deserialize, Serialize};\n  10│\n    │...\n  14│\n *15│/// Current protocol version. Bumped when wire format changes incompatibly.\n  16│pub const PROTOCOL_VERSION: u32 = 17;\n  17│\n *18│/// Maximum allowed frame payload size (2 MB). Frames larger than this are\n *19│/// rejected to prevent denial-of-service via oversized length prefixes.\n  20│pub const MAX_FRAME_SIZE: usize = 2 * 1024 * 1024;\n  21│\n *22│/// Maximum allowed server-to-client frame payload when Kitty graphics are enabled.\n  23│/// Normal traffic keeps `MAX_FRAME_SIZE`; this larger cap is only for explicit\n  24│/// image payloads that are naturally much larger after base64 encoding.\n  25│pub const MAX_GRAPHICS_FRAME_SIZE: usize = 32 * 1024 * 1024;\n    │...\n  36│\n *37│/// Render payload encoding negotiated during client handshake.\n  38│#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]\n  39│pub enum RenderEncoding {\n *40│    /// Send full semantic FrameData values. This is the local/default mode.\n  41│    SemanticFrame,\n *42│    /// Send already-diffed terminal ANSI byte streams.\n  43│    TerminalAnsi,\n  44│}\n  45│\n *46│/// Keybinding profile requested by an attached app client.\n  47│#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]\n  48│pub enum ClientKeybindings {\n  49│    /// Use the server's own keybinding config.\n  50│    Server,\n *51│    /// Use this attached client's normalized local `[keys]` config.\n  52│    Local { keys_toml: String },\n  53│}\n  54│\n *55│/// Client behavior requested at connection time.\n  56│#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]\n  57│pub enum ClientLaunchMode {\n  58│    /// Full app client.\n    │...\n  67│    Repeat,\n *68│    Release,\n  69│}\n  70│\n  71│#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]\n  72│pub enum ClientKeyCode {\n *73│    Backspace,\n  74│    Enter,\n  75│    Left,\n  76│    Right,\n    │...\n  81│    PageUp,\n *82│    PageDown,\n  83│    Tab,\n  84│    BackTab,\n *85│    Delete,\n  86│    Insert,\n  87│    Esc,\n  88│    Char(char),\n    │...\n 104│    Drag(ClientMouseButton),\n*105│    Moved,\n 106│    ScrollUp,\n 107│    ScrollDown,\n 108│    ScrollLeft,\n    │...\n 127│    },\n*128│    FocusGained,\n 129│    FocusLost,\n 130│}\n 131│\n    │...\n 133│    #[cfg(any(windows, test))]\n*134│    pub(crate) fn from_crossterm(kind: crossterm::event::KeyEventKind) -> Self {\n 135│        match kind {\n*136│            crossterm::event::KeyEventKind::Press => Self::Press,\n*137│            crossterm::event::KeyEventKind::Repeat => Self::Repeat,\n\n## server/\n### autodetect.rs\n   7│//!\n  *8│//! The `--no-session` flag bypasses server/client entirely and runs monolithically\n   9│//! (escape hatch for users who want the traditional single-process behavior).\n  10│\n  11│use std::io;\n    │...\n  30│\n *31│/// Private daemon-start hint used to seed a fresh headless server from the\n  32│/// directory where the user ran `herdr`.\n  33│pub(crate) const STARTUP_CWD_ENV_VAR: &str = \"HERDR_STARTUP_CWD\";\n  34│\n    │...\n  41│/// This works by attempting to connect to the client socket. If the connection\n *42│/// succeeds, a server is running. If the socket file doesn't exist or the\n *43│/// connection is refused, no server is running. Stale sockets (from a crashed\n *44│/// server) are detected because connect returns `ConnectionRefused`\n  45│/// when nobody is listening.\n  46│#[allow(dead_code)] // Public API for external use and testing\n  47│pub fn is_server_listening() -> bool {\n    │...\n  66│            Ok(_) => {\n *67│                // Server is listening. Close the test connection immediately.\n  68│                // The server's handshake handler will time out on this connection\n *69│                // since we don't send Hello, which is fine.\n  70│                true\n  71│            }\n  72│            Err(err)\n    │...\n  74│                    err.kind(),\n *75│                    io::ErrorKind::ConnectionRefused | io::ErrorKind::TimedOut\n  76│                ) =>\n  77│            {\n  78│                // Socket file exists but nobody is listening — stale socket.\n    │...\n  81│            Err(err) if err.kind() == io::ErrorKind::NotFound => {\n *82│                // Socket file disappeared between exists() and connect().\n  83│                false\n  84│            }\n  85│            Err(err) => {\n *86│                // Other errors (permission denied, etc.) — assume not listening.\n *87│                tracing::warn!(err = %err, \"unexpected error checking server socket\");\n  88│                false\n  89│            }\n  90│        }\n    │...\n  98│#[cfg(windows)]\n *99│fn client_protocol_accepts_hello(socket_path: &Path) -> io::Result<bool> {\n 100│    if !socket_path.exists() {\n 101│        return Ok(false);\n 102│    }\n    │...\n 108│                err.kind(),\n*109│                io::ErrorKind::ConnectionRefused\n 110│                    | io::ErrorKind::NotFound\n*111│                    | io::ErrorKind::TimedOut\n 112│                    | io::ErrorKind::WouldBlock\n 113│            ) =>\n 114│        {\n    │...\n 119│\n*120│    let hello = crate::protocol::ClientMessage::Hello {\n 121│        version: crate::protocol::PROTOCOL_VERSION,\n 122│        cols: 80,\n 123│        rows: 24,\n*124│        cell_width_px: 0,\n*125│        cell_height_px: 0,\n*126│        requested_encoding: crate::protocol::RenderEncoding::SemanticFrame,\n 127│        keybindings: crate::protocol::ClientKeybindings::Server,\n 128│        launch_mode: crate::protocol::ClientLaunchMode::App,\n 129│    };\n 130│\n*131│    match crate::protocol::write_message(&mut stream, &hello) {\n 132│        Ok(()) => Ok(true),\n 133│        Err(crate::protocol::FramingError::Io(err))\n 134│            if matches!(\n 135│                err.kind(),\n*136│                io::ErrorKind::ConnectionRefused\n 137│                    | io::ErrorKind::NotFound\n### client_accept.rs\n  8│use crate::ipc::LocalListener;\n *9│use crate::server::client_transport::{self, ServerEvent};\n 10│\n 11│/// Accepts pending thin-client connections and starts their handshake readers.\n 12│pub(crate) fn accept_pending_client_connections(\n   │...\n 24│                if let Err(err) = stream.set_nonblocking(true) {\n*25│                    warn!(err = %err, \"failed to set client stream nonblocking\");\n 26│                    continue;\n 27│                }\n 28│\n   │...\n 37│                    ) {\n*38│                        debug!(client_id, err = %err, \"client handshake failed\");\n 39│                    }\n 40│                });\n 41│            }\n   │...\n 43│            Err(err) => {\n*44│                error!(err = %err, \"client listener accept failed\");\n 45│                break;\n 46│            }\n 47│        }\n   │...\n 55│/// During live handoff the old server must not let clients sit in the Unix\n*56│/// listener backlog waiting for a welcome frame that will never be sent.\n 57│pub(crate) fn reject_pending_client_connections(listener: &LocalListener) -> io::Result<()> {\n 58│    loop {\n 59│        match listener.accept() {\n   │...\n 62│            Err(err) => {\n*63│                error!(err = %err, \"client listener reject failed\");\n 64│                break;\n 65│            }\n 66│        }\n### client_transport.rs\n  3│//! This module owns the thin-client handshake, read loop, and writer loop.\n *4│//! It converts socket I/O into [`ServerEvent`] values consumed by\n  5│//! `HeadlessServer`.\n  6│\n  7│use std::collections::VecDeque;\n *8│use std::io::{self, Write};\n  9│use std::sync::atomic::{AtomicBool, Ordering};\n 10│use std::sync::mpsc::{SendError, TrySendError};\n 11│use std::sync::{Arc, Condvar, Mutex};\n   │...\n 20│use crate::protocol::{\n*21│    self, AttachScrollDirection, AttachScrollSource, ClientInputEvent, ClientKeybindings,\n 22│    ClientLaunchMode, ClientMessage, RenderEncoding, ServerMessage, MAX_CLIPBOARD_IMAGE_PAYLOAD,\n 23│    MAX_FRAME_SIZE, MAX_GRAPHICS_FRAME_SIZE, PROTOCOL_VERSION,\n 24│};\n 25│\n*26│/// Minimum accepted attached client size.\n 27│///\n*28│/// Narrow observers must be allowed to drive narrow renders, otherwise the\n 29│/// server wraps pane content against a wider width and the client sees the\n*30│/// right edge clipped.\n 31│const MIN_CLIENT_COLS: u16 = 1;\n 32│const MIN_CLIENT_ROWS: u16 = 1;\n 33│\n 34│/// How long to wait for a client handshake before closing the connection.\n*35│/// Set to 4 seconds (rather than 5) to guarantee the connection is closed\n*36│/// within the 5-second deadline, even with OS timer slack, thread scheduling,\n 37│/// and cleanup overhead.\n 38│const HANDSHAKE_TIMEOUT: Duration = Duration::from_secs(4);\n 39│\n   │...\n 41│const MAX_INPUT_PAYLOAD: usize = 1024 * 1024; // 1 MB\n*42│/// Maximum structured input events accepted in one client message.\n 43│const MAX_INPUT_EVENT_BATCH: usize = 4096;\n 44│\n*45│/// Channels owned by the server side of a client writer thread.\n 46│#[derive(Clone, Debug)]\n 47│pub(crate) struct ClientWriter {\n*48│    /// Reliable control messages such as shutdown, notifications, and clipboard writes.\n 49│    pub(crate) control: ClientControlWriter,\n 50│    /// Droppable render messages. Capacity is one so slow clients cannot build lag.\n 51│    pub(crate) render: ClientRenderWriter,\n   │...\n 55│impl ClientWriter {\n*56│    pub(crate) fn test_channel(\n 57│        control: std::sync::mpsc::Sender<Vec<u8>>,\n 58│        render: std::sync::mpsc::SyncSender<Vec<u8>>,\n*59│    ) -> Self {\n*60│        Self {\n 61│            control: ClientControlWriter {\n*62│                target: ClientControlTarget::Channel(control),\n 63│            },\n 64│            render: ClientRenderWriter {\n*65│                target: ClientRenderTarget::Channel(render),\n 66│            },\n 67│        }\n 68│    }\n   │...\n 79│    #[cfg(test)]\n*80│    Channel(std::sync::mpsc::Sender<Vec<u8>>),\n 81│}\n 82│\n 83│#[derive(Debug)]\n   │...\n 91│    #[cfg(test)]\n*92│    Channel(std::sync::mpsc::SyncSender<Vec<u8>>),\n 93│}\n 94│\n 95│impl Clone for ClientControlWriter {\n*96│    fn clone(&self) -> Self {\n*97│        match &self.target {\n 98│            ClientControlTarget::Queue(queue) => {\n 99│                queue.add_sender();\n### clients.rs\n  17│    (u16, u16),\n *18│    crate::kitty_graphics::HostCellSize,\n  19│    bool,\n  20│    ClientConnectionMode,\n  21│);\n    │...\n  23│#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]\n *24│pub(crate) enum DeferredRender {\n  25│    #[default]\n  26│    None,\n  27│    Graphics,\n    │...\n  30│\n *31│/// A connected client tracked by the server.\n  32│pub(crate) struct ClientConnection {\n  33│    /// Whether this connection is the full app client or a direct terminal attach.\n  34│    pub(crate) mode: ClientConnectionMode,\n    │...\n  40│    pub(crate) terminal_size: (u16, u16),\n *41│    /// Pixel size of one client terminal cell.\n *42│    pub(crate) cell_size: crate::kitty_graphics::HostCellSize,\n  43│    /// Last known host terminal default colors for this client.\n  44│    pub(crate) host_terminal_theme: crate::terminal_theme::TerminalTheme,\n  45│    /// Last known host terminal appearance for this client.\n    │...\n  48│    pub(crate) host_terminal_appearance_explicit: bool,\n *49│    /// Last reported focus state for this client's outer terminal.\n  50│    pub(crate) outer_terminal_focus: Option<bool>,\n  51│    /// Stateful parser for app-client input split across transport reads.\n  52│    pub(crate) raw_input: crate::raw_input::RawInputFramer,\n *53│    /// Monotonic activity stamp used to choose the fallback foreground client.\n  54│    pub(crate) last_activity: u64,\n *55│    /// Render baseline for the negotiated client encoding.\n  56│    pub(crate) render_state: ClientRenderState,\n  57│    /// Client-local host Kitty graphics cache.\n  58│    pub(crate) graphics_cache: crate::kitty_graphics::HostGraphicsCache,\n    │...\n  60│    pub(crate) graphics_surface_reset_pending: bool,\n *61│    /// Whether an ordinary render was skipped because the render channel was full.\n  62│    pub(crate) render_pending: bool,\n *63│    /// Whether a pane-graphics-only render was skipped because the channel was full.\n  64│    pane_graphics_render_pending: bool,\n  65│    /// Last host mouse capture mode sent to this client.\n  66│    pub(crate) host_mouse_capture_active: Option<bool>,\n *67│    /// Temporary files staged from this client's local clipboard image pastes.\n *68│    pub(crate) staged_clipboard_files: Vec<PathBuf>,\n *69│    /// Channels for sending framed ServerMessage data to the client writer thread.\n  70│    pub(crate) writer: Option<ClientWriter>,\n  71│}\n  72│\n    │...\n  76│        terminal_size: (u16, u16),\n *77│        cell_size: crate::kitty_graphics::HostCellSize,\n  78│        host_terminal_theme: crate::terminal_theme::TerminalTheme,\n  79│        outer_terminal_focus: Option<bool>,\n  80│        last_activity: u64,\n    │...\n  82│        writer: Option<ClientWriter>,\n *83│    ) -> Self {\n *84│        Self::new_with_mode(\n  85│            ClientConnectionMode::App,\n  86│            None,\n  87│            terminal_size,\n *88│            cell_size,\n  89│            host_terminal_theme,\n  90│            outer_terminal_focus,\n  91│            last_activity,\n    │...\n 101│        terminal_size: (u16, u16),\n*102│        cell_size: crate::kitty_graphics::HostCellSize,\n 103│        host_terminal_theme: crate::terminal_theme::TerminalTheme,\n 104│        outer_terminal_focus: Option<bool>,\n 105│        last_activity: u64,\n    │...\n 108│        writer: Option<ClientWriter>,\n*109│    ) -> Self {\n*110│        Self {\n 111│            mode,\n 112│            pending_terminal_attach,\n 113│            keybindings,\n### clipboard_image.rs\n   1│use std::fs;\n  *2│use std::io::{self, Write as _};\n   3│use std::path::{Path, PathBuf};\n   4│use std::time::{Duration, SystemTime, UNIX_EPOCH};\n   5│\n  *6│const STAGED_CLIPBOARD_IMAGE_MAX_AGE: Duration = Duration::from_secs(24 * 60 * 60);\n   7│\n  *8│pub(crate) struct StagedClipboardImage {\n   9│    pub(crate) path: PathBuf,\n  10│    pub(crate) paste_text: String,\n  11│}\n    │...\n  16│    data: &[u8],\n *17│) -> io::Result<StagedClipboardImage> {\n  18│    let extension = sanitize_extension(extension);\n  19│    let dir = ensure_staging_dir()?;\n  20│    cleanup_stale(&dir);\n    │...\n  39│        file.write_all(data)?;\n *40│        return Ok(StagedClipboardImage {\n *41│            paste_text: path.to_string_lossy().into_owned(),\n  42│            path,\n  43│        });\n  44│    }\n    │...\n  47│        io::ErrorKind::AlreadyExists,\n *48│        \"failed to allocate unique clipboard image staging path\",\n  49│    ))\n  50│}\n  51│\n    │...\n  60│        \"png\"\n *61│    } else if extension.eq_ignore_ascii_case(\"jpg\") || extension.eq_ignore_ascii_case(\"jpeg\") {\n  62│        \"jpg\"\n *63│    } else if extension.eq_ignore_ascii_case(\"gif\") {\n  64│        \"gif\"\n *65│    } else if extension.eq_ignore_ascii_case(\"webp\") {\n  66│        \"webp\"\n *67│    } else if extension.eq_ignore_ascii_case(\"bmp\") {\n  68│        \"bmp\"\n *69│    } else {\n  70│        \"png\"\n  71│    }\n  72│}\n    │...\n 118│fn cleanup_stale(dir: &Path) {\n*119│    let Ok(entries) = fs::read_dir(dir) else {\n 120│        return;\n 121│    };\n 122│    for entry in entries.flatten() {\n 123│        let path = entry.path();\n*124│        let Ok(metadata) = entry.metadata() else {\n 125│            continue;\n 126│        };\n*127│        let Ok(modified) = metadata.modified() else {\n 128│            continue;\n 129│        };\n*130│        if modified.elapsed().unwrap_or_default() > STAGED_CLIPBOARD_IMAGE_MAX_AGE {\n 131│            let _ = fs::remove_file(path);\n 132│        }\n 133│    }\n### handoff.rs\n   1│#[cfg(unix)]\n  *2│use std::io::{self, Read, Write};\n   3│#[cfg(unix)]\n   4│use std::os::fd::{AsRawFd, RawFd};\n   5│#[cfg(unix)]\n    │...\n  23│#[cfg(unix)]\n *24│const OWNED_ACK_TIMEOUT: Duration = Duration::from_millis(500);\n  25│#[cfg(unix)]\n  26│pub(crate) const MAX_FDS_PER_HANDOFF: usize = 64;\n  27│#[cfg(unix)]\n    │...\n  37│    pub source_protocol: u32,\n *38│    pub expected_version: Option<String>,\n *39│    pub expected_protocol: Option<u32>,\n  40│    pub snapshot: crate::persist::SessionSnapshot,\n  41│    pub panes: Vec<crate::handoff_runtime::HandoffRuntimeState>,\n  42│}\n    │...\n  44│#[cfg(unix)]\n *45│pub(crate) struct ReceivedHandoff {\n  46│    pub manifest: HandoffManifest,\n  47│    pub fds: Vec<RawFd>,\n  48│    pub stream: UnixStream,\n    │...\n  64│        import_exe\n *65│    } else {\n  66│        fallback_exe = std::env::current_exe().map_err(|err| {\n  67│            io::Error::new(\n  68│                err.kind(),\n *69│                format!(\"failed to determine herdr executable path: {err}\"),\n  70│            )\n  71│        })?;\n  72│        &fallback_exe\n    │...\n  82│        .stderr(std::process::Stdio::null());\n *83│    if crate::session::explicit_session_requested() {\n  84│        // The import child no longer has the original `--session` argument, so\n *85│        // stale socket overrides must not mask the inherited HERDR_SESSION.\n  86│        command\n  87│            .env_remove(crate::api::SOCKET_PATH_ENV_VAR)\n  88│            .env_remove(crate::server::socket_paths::CLIENT_SOCKET_PATH_ENV_VAR);\n    │...\n  94│            format!(\n *95│                \"failed to spawn handoff import server at {}: {err}\",\n  96│                exe.display()\n  97│            ),\n  98│        )\n    │...\n 102│#[cfg(unix)]\n*103│pub(crate) fn cleanup_failed_import_child(child: &mut Child) {\n 104│    let pid = child.id();\n 105│    match child.try_wait() {\n 106│        Ok(Some(status)) => {\n*107│            info!(pid, status = %status, \"handoff import server exited during rollback\");\n 108│            return;\n 109│        }\n 110│        Ok(None) => {}\n 111│        Err(err) => {\n*112│            warn!(pid, err = %err, \"failed to inspect handoff import server before rollback\");\n 113│        }\n 114│    }\n 115│\n 116│    if let Err(err) = child.kill() {\n*117│        warn!(pid, err = %err, \"failed to kill handoff import server during rollback\");\n 118│    }\n 119│    match child.wait() {\n 120│        Ok(status) => {\n*121│            info!(pid, status = %status, \"handoff import server reaped during rollback\");\n 122│        }\n 123│        Err(err) => {\n*124│            warn!(pid, err = %err, \"failed to reap handoff import server during rollback\");\n 125│        }\n 126│    }\n 127│}\n    │...\n 148│    stream.set_write_timeout(Some(READY_TIMEOUT))?;\n*149│    let token_line = read_line_unbuffered(&mut stream)?;\n*150│    if token_line.trim_end() != token {\n 151│        return Err(io::Error::new(\n*152│            io::ErrorKind::PermissionDenied,\n 153│            \"handoff import token mismatch\",\n 154│        ));\n 155│    }\n    │...\n 161│    stream.set_read_timeout(Some(READY_TIMEOUT))?;\n*162│    let validated = read_line_unbuffered(&mut stream)?;\n### headless.rs\n   7│//! - Initializes AppState and all PTYs from session restore or fresh state\n  *8│//! - Runs the main event loop (drain events, drain API requests, scheduled tasks)\n   9│//! - Renders to a virtual ratatui Buffer in memory\n  10│//! - Accepts client connections on the client socket\n *11│//! - Streams frames to connected clients after each render\n *12│//! - Routes client input events through the existing input pipeline\n  13│//! - Continues running after client disconnect\n  14│//! - Handles stale socket cleanup, explicit server stop, minimum terminal size,\n  15│//!   and pane spawn failure during restore\n    │...\n  41│use crate::ipc::{\n *42│    bind_local_listener, remove_socket_file_if_owned, socket_file_identity, LocalListener,\n  43│    SocketFileIdentity,\n  44│};\n  45│use crate::protocol::{\n *46│    self, AttachScrollDirection, AttachScrollSource, FrameData, ServerMessage, MAX_FRAME_SIZE,\n  47│    MAX_GRAPHICS_FRAME_SIZE,\n  48│};\n  49│#[cfg(unix)]\n    │...\n  55│    events_include_interaction, latest_app_client, render_targets, terminal_stream_client_ids,\n *56│    ClientConnection, ClientConnectionMode, DeferredRender,\n  57│};\n  58│use crate::server::keybindings::{app_keybindings, apply_keybindings};\n  59│use crate::server::notifications::{\n    │...\n  70│use pane_graphics::frame_pane_graphics_for_client;\n *71│use pane_graphics::RetainedGraphicsOutcome;\n  72│\n  73│#[cfg(test)]\n  74│use crate::protocol::RenderEncoding;\n    │...\n  84│) {\n *85│    let Some(response_write_complete) = response_write_complete else {\n  86│        return;\n  87│    };\n  88│\n    │...\n  91│        Err(std::sync::mpsc::RecvTimeoutError::Timeout) => {\n *92│            warn!(\"timed out waiting for live handoff response write; old server exiting\");\n  93│        }\n *94│        Err(std::sync::mpsc::RecvTimeoutError::Disconnected) => {\n *95│            warn!(\"live handoff response writer disconnected; old server exiting\");\n  96│        }\n  97│    }\n  98│}\n    │...\n 107│fn notification_show_response_shown(response: &str) -> bool {\n*108│    let Ok(response) = serde_json::from_str::<api::schema::SuccessResponse>(response) else {\n 109│        return false;\n 110│    };\n 111│    matches!(\n    │...\n 117│fn non_empty_body(value: &str) -> Option<String> {\n*118│    (!value.is_empty()).then(|| value.to_owned())\n 119│}\n 120│\n 121│// ---------------------------------------------------------------------------\n    │...\n 130│    ServerEvent(ServerEvent),\n*131│    RenderRequested,\n 132│}\n 133│\n 134│#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, PartialOrd, Ord)]\n    │...\n 142│impl RenderImpact {\n*143│    fn merge(&mut self, other: Self) {\n*144│        *self = (*self).max(other);\n 145│    }\n 146│}\n 147│\n    │...\n 158│\n*159│fn rect_fits_frame(rect: Rect, frame: &FrameData) -> bool {\n 160│    rect.x.saturating_add(rect.width) <= frame.width\n 161│        && rect.y.saturating_add(rect.height) <= frame.height\n 162│}\n    │...\n 164│fn apply_terminal_dirty_patch(\n*165│    frame: &mut FrameData,\n 166│    area: Rect,\n 167│    patch: crate::pane::TerminalDirtyPatch,\n 168│) -> bool {\n    │...\n 172│    let width = usize::from(frame.width);\n*173│    for (local_y, row_cells) in patch.rows {\n*174│        if local_y >= area.height || row_cells.len() != usize::from(area.width) {\n 175│            return false;\n 176│        }\n 177│        let frame_y = area.y + local_y;\n### notifications.rs\n  8│\n *9│pub(crate) fn should_forward_toast_to_clients(delivery: config::ToastDelivery) -> bool {\n*10│    toast_notify_kind(delivery).is_some()\n 11│}\n 12│\n*13│pub(crate) fn toast_notify_kind(delivery: config::ToastDelivery) -> Option<protocol::NotifyKind> {\n*14│    match delivery {\n*15│        config::ToastDelivery::Terminal => Some(protocol::NotifyKind::Toast),\n*16│        config::ToastDelivery::System => Some(protocol::NotifyKind::SystemToast),\n*17│        config::ToastDelivery::Off | config::ToastDelivery::Herdr => None,\n 18│    }\n 19│}\n 20│\n   │...\n 27│    new_state: AgentState,\n*28│    previous_agent_label: Option<&str>,\n 29│) -> Option<String> {\n 30│    state\n*31│        .workspaces\n 32│        .iter()\n 33│        .enumerate()\n 34│        .find_map(|(ws_idx, ws)| {\n   │...\n 36│                let pane = tab.panes.get(&pane_id)?;\n*37│                let agent_label = state\n 38│                    .terminals\n*39│                    .get(&pane.attached_terminal_id)\n*40│                    .and_then(|terminal| terminal.effective_agent_label())?;\n*41│                let kind = app::actions::notification_toast_for_state_change_with_agent_labels(\n 42│                    suppress_active_tab_notifications,\n 43│                    prev_state,\n 44│                    new_state,\n*45│                    previous_agent_label,\n*46│                    Some(agent_label),\n 47│                )?;\n*48│                let workspace_label = ws.display_name_from(&state.terminals, terminal_runtimes);\n 49│                Some(format!(\n 50│                    \"{} {}: {}\",\n*51│                    agent_label,\n 52│                    toast_event_text(kind),\n*53│                    app::actions::notification_context(ws, &workspace_label, ws_idx, pane_id)\n 54│                ))\n 55│            })\n 56│        })\n   │...\n 60│    match kind {\n*61│        app::state::ToastKind::NeedsAttention => \"needs attention\",\n*62│        app::state::ToastKind::Finished => \"finished\",\n### render_stream.rs\n *1│//! Virtual rendering helpers for headless client frame streaming.\n  2│\n *3│use ratatui::backend::{Backend, ClearType, TestBackend, WindowSize};\n  4│use ratatui::layout::{Position, Rect, Size};\n  5│\n  6│use crate::app::state::AppState;\n  7│use crate::app::Mode;\n *8│use crate::protocol::render_ansi::{BlitEncoder, EncodedBlit};\n *9│use crate::protocol::{CursorState, FrameData, RenderEncoding, ServerMessage, TerminalFrame};\n 10│use crate::terminal::TerminalRuntimeRegistry;\n 11│\n*12│/// Per-client render baseline for the negotiated render encoding.\n 13│pub(crate) enum ClientRenderState {\n 14│    /// Semantic clients compare full frame data and skip identical frames.\n*15│    Semantic { last_frame: Option<FrameData> },\n 16│    /// Terminal-ANSI clients keep a terminal diff encoder and sequence number.\n 17│    TerminalAnsi { blit_encoder: BlitEncoder, seq: u64 },\n 18│}\n   │...\n 20│impl ClientRenderState {\n*21│    pub(crate) fn new(render_encoding: RenderEncoding) -> Self {\n 22│        match render_encoding {\n*23│            RenderEncoding::SemanticFrame => Self::Semantic { last_frame: None },\n*24│            RenderEncoding::TerminalAnsi => Self::TerminalAnsi {\n 25│                blit_encoder: BlitEncoder::new(),\n 26│                seq: 0,\n 27│            },\n   │...\n 30│\n*31│    pub(crate) fn reset_baseline(&mut self) {\n*32│        match self {\n*33│            Self::Semantic { last_frame } => *last_frame = None,\n*34│            Self::TerminalAnsi { blit_encoder, .. } => *blit_encoder = BlitEncoder::new(),\n 35│        }\n 36│    }\n 37│\n*38│    pub(crate) fn reset_semantic_input_baseline(&mut self) {\n*39│        if let Self::Semantic { last_frame } = self {\n 40│            *last_frame = None;\n 41│        }\n 42│    }\n 43│\n*44│    pub(crate) fn prepare_frame(&mut self, frame: FrameData) -> Option<PreparedRender> {\n*45│        match self {\n*46│            Self::Semantic { last_frame } => {\n 47│                if last_frame.as_ref() == Some(&frame) {\n 48│                    crate::render_prof::event(\"prepare_frame.semantic.skip_current\");\n 49│                    return None;\n 50│                }\n*51│                crate::render_prof::event(\"prepare_frame.semantic.changed\");\n*52│                Some(PreparedRender::Semantic {\n 53│                    message: ServerMessage::Frame(frame),\n 54│                })\n 55│            }\n### socket_paths.rs\n   6│/// Contractual override behavior for auto-detect uses `HERDR_SOCKET_PATH`.\n  *7│/// This variable is kept as a fallback for callers that explicitly need a\n   8│/// client-only override when `HERDR_SOCKET_PATH` is not set.\n   9│pub const CLIENT_SOCKET_PATH_ENV_VAR: &str = \"HERDR_CLIENT_SOCKET_PATH\";\n  10│\n    │...\n  15│///\n *16│/// Contract-aligned override behavior:\n  17│/// 1. If CLI `--session <name>` is active, use that session's client socket.\n  18│/// 2. If `HERDR_SOCKET_PATH` is set, derive the client socket path from it by\n  19│///    inserting `-client` before `.sock` (e.g. `herdr.sock` -> `herdr-client.sock`).\n    │...\n  23│pub fn client_socket_path() -> PathBuf {\n *24│    if crate::session::explicit_session_requested() {\n  25│        return crate::session::client_socket_path_for(crate::session::active_name().as_deref());\n  26│    }\n  27│    client_socket_path_from_overrides(\n    │...\n  54│        .unwrap_or(\"herdr\");\n *55│    let parent = api_socket_path.parent().unwrap_or_else(|| Path::new(\"\"));\n  56│\n  57│    if api_socket_path\n  58│        .extension()\n    │...\n  92│    #[test]\n *93│    fn client_socket_path_derived_from_api_socket_override() {\n  94│        let path = client_socket_path_from_overrides(Some(\"/tmp/test-herdr.sock\"), None);\n  95│        assert_eq!(path, PathBuf::from(\"/tmp/test-herdr-client.sock\"));\n  96│    }\n    │...\n  98│    #[test]\n *99│    fn client_socket_path_api_override_takes_precedence_over_legacy_client_override() {\n 100│        let path = client_socket_path_from_overrides(\n 101│            Some(\"/tmp/test-herdr.sock\"),\n 102│            Some(\"/tmp/legacy-client.sock\"),\n    │...\n 122│    fn derive_client_socket_from_api_socket_without_sock_extension() {\n*123│        let derived = derive_client_socket_from_api_socket(Path::new(\"/tmp/custom-api\"));\n*124│        assert_eq!(derived, PathBuf::from(\"/tmp/custom-api-client.sock\"));\n 125│    }\n 126│\n 127│    #[test]\n### terminal_attach.rs\n  6│        .input_state()\n *7│        .map(|state| state.bracketed_paste)\n  8│        .unwrap_or(false)\n  9│    {\n 10│        format!(\"\\x1b[200~{text}\\x1b[201~\")\n*11│    } else {\n*12│        text.to_owned()\n 13│    }\n 14│}\n\n### headless/\n#### pane_graphics.rs\n  5│use crate::protocol::{ServerMessage, MAX_GRAPHICS_FRAME_SIZE};\n *6│use crate::server::clients::{render_targets, ClientConnectionMode, DeferredRender};\n  7│\n  8│#[derive(Clone, Copy, Debug, PartialEq, Eq)]\n *9│pub(super) enum RetainedGraphicsOutcome {\n 10│    Sent,\n*11│    Deferred,\n 12│    Fallback,\n 13│}\n 14│\n   │...\n 18│    }\n*19│    let mut framed = Vec::with_capacity(bytes.len() + 4);\n*20│    framed.extend_from_slice(b\"\\x1b7\");\n*21│    framed.extend_from_slice(&bytes);\n*22│    framed.extend_from_slice(b\"\\x1b8\");\n*23│    framed\n 24│}\n 25│\n 26│impl HeadlessServer {\n*27│    pub(super) fn pane_graphics_runtime_active(&self) -> bool {\n*28│        !self.app.state.pane_graphics_layers.is_empty()\n*29│            || !self.app.state.pane_graphics_streams.is_empty()\n 30│    }\n 31│\n*32│    pub(super) fn cancel_inactive_pane_graphics_streams(&self) {\n*33│        api::cancel_inactive_pane_graphics_streams(|owner| {\n*34│            self.app\n 35│                .state\n 36│                .pane_graphics_streams\n 37│                .values()\n   │...\n 42│    pub(super) fn handle_pane_graphics_stream_frame(\n*43│        &mut self,\n 44│        msg: api::ApiRequestMessage,\n 45│    ) -> RenderImpact {\n*46│        if self.shutting_down {\n*47│            let _ = self.handle_api_request_with_shutdown_check_inner(msg, false);\n 48│            return RenderImpact::None;\n 49│        }\n 50│\n*51│        let internal_changed = self.drain_all_internal_events_with_forwarding();\n*52│        let response = self\n 53│            .app\n*54│            .handle_api_request_after_internal_events_drained(msg.request);\n\n#### tests/\n##### pane_graphics.rs\n  14│    client_rx: &std::sync::mpsc::Receiver<Vec<u8>>,\n *15│) -> FrameData {\n *16│    server.app.state.kitty_graphics_enabled = true;\n *17│    server.clients.get_mut(&1).unwrap().cell_size = crate::kitty_graphics::HostCellSize {\n  18│        width_px: 10,\n  19│        height_px: 20,\n  20│    };\n    │...\n  42│fn fill_render_lane(server: &HeadlessServer) {\n *43│    let queued = HeadlessServer::frame_server_message(&ServerMessage::ReloadSoundConfig)\n  44│        .expect(\"dummy frame\");\n  45│    server\n  46│        .clients\n    │...\n  52│        .render\n *53│        .try_send(queued)\n  54│        .expect(\"pre-fill render lane\");\n  55│}\n  56│\n    │...\n  62│) -> (api::ApiRequestMessage, std::sync::mpsc::Receiver<String>) {\n *63│    let (respond_to, response_rx) = std::sync::mpsc::channel();\n  64│    (\n  65│        api::ApiRequestMessage {\n  66│            request: api::schema::Request {\n    │...\n  88│#[tokio::test]\n *89│async fn retained_update_sends_only_graphics_message() {\n *90│    let (mut server, client_rx, pane_id) = retained_test_server(b\"aaaa\");\n *91│    let baseline = enable_graphics_and_render(&mut server, &client_rx);\n  92│    set_graphics_layer(&mut server, pane_id, vec![1, 2, 3]);\n  93│\n  94│    assert_eq!(\n *95│        server.render_retained_graphics_update_and_stream(),\n *96│        RetainedGraphicsOutcome::Sent\n  97│    );\n  98│    match read_server_message(\n  99│        client_rx\n    │...\n 105│        }\n*106│        other => panic!(\"expected graphics-only message, got {other:?}\"),\n 107│    }\n 108│    assert_frame_data_eq(\n 109│        server\n    │...\n 114│            .last_frame()\n*115│            .expect(\"semantic baseline\"),\n*116│        &baseline,\n 117│    );\n 118│}\n 119│\n 120│#[tokio::test]\n*121│async fn retained_update_defers_on_full_render_lane() {\n*122│    let (mut server, client_rx, pane_id) = retained_test_server(b\"aaaa\");\n 123│    let _ = enable_graphics_and_render(&mut server, &client_rx);\n 124│    fill_render_lane(&server);\n 125│    set_graphics_layer(&mut server, pane_id, vec![4, 5, 6]);\n    │...\n 127│    assert_eq!(\n*128│        server.render_retained_graphics_update_and_stream(),\n*129│        RetainedGraphicsOutcome::Deferred\n 130│    );\n 131│    let client = server.clients.get(&1).unwrap();\n*132│    assert_eq!(client.deferred_render(), DeferredRender::Graphics);\n 133│    assert!(matches!(\n 134│        read_server_message(client_rx.recv_timeout(Duration::from_millis(100)).unwrap()),\n*135│        ServerMessage::ReloadSoundConfig\n 136│    ));\n 137│    assert_eq!(\n\n## pane/\n### agent_detection.rs\n 24│pub(super) struct PendingIdleConfirmation {\n*25│    started_at: Option<std::time::Instant>,\n 26│    confirmations: u8,\n 27│}\n 28│\n 29│impl PendingIdleConfirmation {\n*30│    pub(super) fn active(&self) -> bool {\n*31│        self.started_at.is_some()\n 32│    }\n 33│\n*34│    pub(super) fn clear(&mut self) {\n*35│        self.started_at = None;\n*36│        self.confirmations = 0;\n 37│    }\n 38│\n 39│    pub(super) fn should_hold_working_to_idle(\n*40│        &mut self,\n 41│        previous: DetectionPublishState,\n 42│        next: DetectionPublishState,\n*43│        agent_changed: bool,\n*44│        process_exited: bool,\n 45│        now: std::time::Instant,\n 46│    ) -> bool {\n 47│        let is_working_to_plain_idle = previous.state == AgentState::Working\n   │...\n 50│            && !next.visible_blocker\n*51│            && !agent_changed\n*52│            && !process_exited;\n 53│\n 54│        if !is_working_to_plain_idle {\n*55│            self.clear();\n 56│            return false;\n 57│        }\n 58│\n*59│        let Some(started_at) = self.started_at else {\n*60│            self.started_at = Some(now);\n*61│            self.confirmations = 0;\n 62│            return true;\n 63│        };\n 64│\n*65│        if now.duration_since(started_at) >= AGENT_PENDING_IDLE_CAP {\n*66│            self.clear();\n 67│            return false;\n 68│        }\n 69│\n*70│        self.confirmations = self.confirmations.saturating_add(1);\n*71│        if self.confirmations >= AGENT_PENDING_IDLE_CONFIRMATIONS {\n*72│            self.clear();\n 73│            return false;\n 74│        }\n 75│\n### cursor.rs\n 21│        collecting_first_param: bool,\n*22│        has_space_intermediate: bool,\n 23│    },\n 24│}\n 25│\n 26│impl DecscusrTracker {\n*27│    pub(crate) fn observe(&mut self, bytes: &[u8]) {\n 28│        for &byte in bytes {\n*29│            self.observe_byte(byte);\n 30│        }\n 31│    }\n 32│\n*33│    fn observe_byte(&mut self, byte: u8) {\n*34│        match &mut self.state {\n 35│            DecscusrParseState::Ground => {\n 36│                if byte == 0x1b {\n*37│                    self.state = DecscusrParseState::Escape;\n 38│                }\n 39│            }\n 40│            DecscusrParseState::Escape => {\n*41│                self.state = if byte == b'[' {\n 42│                    DecscusrParseState::Csi {\n 43│                        first_param: None,\n 44│                        collecting_first_param: true,\n*45│                        has_space_intermediate: false,\n 46│                    }\n*47│                } else if byte == 0x1b {\n 48│                    DecscusrParseState::Escape\n*49│                } else {\n 50│                    DecscusrParseState::Ground\n 51│                };\n 52│            }\n   │...\n 55│                collecting_first_param,\n*56│                has_space_intermediate,\n 57│            } => {\n 58│                if byte == 0x1b {\n*59│                    self.state = DecscusrParseState::Escape;\n*60│                } else if byte.is_ascii_digit() && *collecting_first_param {\n 61│                    let digit = u16::from(byte - b'0');\n 62│                    *first_param = Some(first_param.unwrap_or(0).saturating_mul(10) + digit);\n*63│                } else if byte == b';' || byte == b':' {\n 64│                    *collecting_first_param = false;\n*65│                } else if byte == b' ' {\n*66│                    *has_space_intermediate = true;\n 67│                    *collecting_first_param = false;\n*68│                } else if (0x40..=0x7e).contains(&byte) {\n*69│                    if byte == b'q' && *has_space_intermediate {\n 70│                        let param = first_param.unwrap_or(0);\n 71│                        if param <= 6 {\n*72│                            self.cursor_shape_overridden = param != 0;\n 73│                        }\n 74│                    }\n*75│                    self.state = DecscusrParseState::Ground;\n### input.rs\n   8│        }\n  *9│        crossterm::event::KeyEventKind::Release => {\n *10│            crate::ghostty::ffi::GhosttyKeyAction_GHOSTTY_KEY_ACTION_RELEASE\n  11│        }\n  12│        crossterm::event::KeyEventKind::Repeat => {\n  13│            crate::ghostty::ffi::GhosttyKeyAction_GHOSTTY_KEY_ACTION_REPEAT\n    │...\n  18│        key.code,\n *19│        key.shifted_codepoint,\n  20│    )?);\n  21│\n  22│    if let Some(text) = ghostty_key_text(key) {\n  23│        event.set_utf8(&text);\n *24│    } else {\n  25│        event.set_utf8(\"\");\n  26│    }\n  27│\n *28│    if let Some(codepoint) = ghostty_unshifted_codepoint(key) {\n *29│        event.set_unshifted_codepoint(codepoint);\n  30│    }\n  31│\n  32│    Some(event)\n    │...\n  61│    if terminal\n *62│        .mode_get(crate::ghostty::MODE_MOUSE_SGR_PIXELS)\n  63│        .ok()?\n  64│    {\n *65│        // Herdr receives host mouse positions in terminal cells. Downgrade\n *66│        // SGR-pixels to normal SGR so forwarded coordinates stay cell-local.\n  67│        encoder.set_format(crate::ghostty::MOUSE_FORMAT_SGR);\n  68│    }\n  69│    let cols = terminal.cols().ok()? as u32;\n    │...\n  95│        crossterm::event::MouseEventKind::Up(crossterm::event::MouseButton::Left) => (\n *96│            crate::ghostty::MOUSE_ACTION_RELEASE,\n  97│            Some(crate::ghostty::MOUSE_BUTTON_LEFT),\n  98│        ),\n  99│        crossterm::event::MouseEventKind::Up(crossterm::event::MouseButton::Middle) => (\n*100│            crate::ghostty::MOUSE_ACTION_RELEASE,\n 101│            Some(crate::ghostty::MOUSE_BUTTON_MIDDLE),\n 102│        ),\n 103│        crossterm::event::MouseEventKind::Up(crossterm::event::MouseButton::Right) => (\n*104│            crate::ghostty::MOUSE_ACTION_RELEASE,\n 105│            Some(crate::ghostty::MOUSE_BUTTON_RIGHT),\n 106│        ),\n 107│        crossterm::event::MouseEventKind::Drag(crossterm::event::MouseButton::Left) => (\n    │...\n 123│        event.set_button(button);\n*124│    } else {\n 125│        event.clear_button();\n 126│    }\n 127│    event.set_mods(ghostty_mods_from_key_modifiers(modifiers));\n    │...\n 137│) -> Option<crate::ghostty::MouseEvent> {\n*138│    if kind != crossterm::event::MouseEventKind::Moved {\n 139│        return None;\n 140│    }\n 141│\n    │...\n 149│\n*150│pub(super) fn ghostty_mouse_event_from_wheel_kind(\n 151│    kind: crossterm::event::MouseEventKind,\n 152│    column: u16,\n 153│    row: u16,\n    │...\n 158│    let button = match kind {\n*159│        crossterm::event::MouseEventKind::ScrollUp => crate::ghostty::MOUSE_BUTTON_WHEEL_UP,\n*160│        crossterm::event::MouseEventKind::ScrollDown => crate::ghostty::MOUSE_BUTTON_WHEEL_DOWN,\n*161│        crossterm::event::MouseEventKind::ScrollLeft => crate::ghostty::MOUSE_BUTTON_WHEEL_LEFT,\n*162│        crossterm::event::MouseEventKind::ScrollRight => crate::ghostty::MOUSE_BUTTON_WHEEL_RIGHT,\n 163│        _ => return None,\n 164│    };\n 165│    event.set_button(button);\n    │...\n 173│        crossterm::event::KeyCode::Char(c) => Some(\n*174│            key.shifted_codepoint\n 175│                .and_then(char::from_u32)\n 176│                .unwrap_or(c)\n 177│                .to_string(),\n### kitty_keyboard.rs\n  8│impl KittyKeyboardTracker {\n *9│    pub(crate) fn observe(&mut self, bytes: &[u8]) {\n*10│        let combined;\n*11│        let bytes = if self.pending.is_empty() {\n 12│            bytes\n*13│        } else {\n*14│            combined = self\n 15│                .pending\n 16│                .iter()\n*17│                .copied()\n*18│                .chain(bytes.iter().copied())\n 19│                .collect::<Vec<_>>();\n*20│            self.pending.clear();\n*21│            &combined\n 22│        };\n 23│        let mut index = 0;\n 24│        while index < bytes.len() {\n   │...\n 29│            if index + 1 >= bytes.len() {\n*30│                self.store_pending(&bytes[index..]);\n 31│                break;\n 32│            }\n 33│            if bytes[index + 1] != b'[' {\n   │...\n 42│            if end >= bytes.len() {\n*43│                self.store_pending(&bytes[index..]);\n 44│                break;\n 45│            }\n 46│\n 47│            if bytes[end] == b'u' {\n*48│                self.observe_csi_u(&bytes[index + 2..end]);\n 49│            }\n 50│            index = end + 1;\n 51│        }\n   │...\n 53│\n*54│    fn store_pending(&mut self, bytes: &[u8]) {\n*55│        self.pending.clear();\n 56│        if bytes.len() <= 64 {\n*57│            self.pending.extend_from_slice(bytes);\n 58│        }\n 59│    }\n 60│\n*61│    fn observe_csi_u(&mut self, params: &[u8]) {\n*62│        let Some((&kind, rest)) = params.split_first() else {\n 63│            return;\n 64│        };\n 65│        match kind {\n   │...\n 67│                let flags = parse_kitty_keyboard_flags(rest);\n*68│                self.stack.push(self.flags);\n*69│                self.flags = flags;\n 70│            }\n 71│            b'=' => {\n*72│                self.flags = parse_kitty_keyboard_flags(rest);\n 73│            }\n 74│            b'<' => {\n 75│                let count = parse_kitty_keyboard_flags(rest).max(1);"},"isError":false,"timestamp":1784365508230}}
{"type":"message","id":"de57cf6c","parentId":"76f1ac8b","timestamp":"2026-07-18T09:05:08.234Z","message":{"role":"toolResult","toolCallId":"call_r9vouwFBGw5wLgDFzZXSEtAn|fc_0784f445f025ad6b016a5b41c42304819a81eba450872cc051","toolName":"grep","content":[{"type":"text","text":"# C:/Windows/Temp/librarian-herdr/src/\n## ui.rs\n 4|    text::Span,\n*5|    Frame,\n 6|};\n 7|\n 8|mod dialogs;\n...\n 103|\n*104|// Braille spinner frames — smooth rotation\n 105|const SPINNERS: &[&str] = &[\"⠋\", \"⠙\", \"⠹\", \"⠸\", \"⠼\", \"⠴\", \"⠦\", \"⠧\", \"⠇\", \"⠏\"];\n 106|\n*107|/// Map spinner_tick (incremented every frame at ~60fps) to a spinner frame.\n 108|/// We want ~8 updates/sec so divide by 8.\n*109|pub(super) fn spinner_frame(tick: u32) -> &'static str {\n 110|    SPINNERS[(tick as usize / 8) % SPINNERS.len()]\n 111|}\n 112|\n...\n 146|/// This is used by the headless server when a non-foreground client needs its\n*147|/// own frame size while the shared pane runtimes stay pinned to the foreground\n 148|/// client.\n 149|pub(crate) fn compute_view_without_resizing_panes(\n 150|    app: &mut AppState,\n...\n 386|#[cfg_attr(not(test), allow(dead_code))]\n*387|pub fn render(app: &AppState, frame: &mut Frame) {\n 388|    let terminal_runtimes = TerminalRuntimeRegistry::new();\n*389|    render_with_runtime_registry(app, &terminal_runtimes, frame);\n 390|}\n 391|\n 392|pub fn render_with_runtime_registry(\n...\n 394|    terminal_runtimes: &TerminalRuntimeRegistry,\n*395|    frame: &mut Frame,\n 396|) {\n 397|    let sidebar_area = app.view.sidebar_rect;\n 398|    let tab_bar_area = app.view.tab_bar_rect;\n...\n 401|    if app.view.layout == ViewLayout::Mobile {\n*402|        render_mobile_header(app, terminal_runtimes, frame, app.view.mobile_header_rect);\n 403|    } else if sidebar_area.width > 0 {\n 404|        if app.sidebar_collapsed {\n*405|            render_sidebar_collapsed(app, frame, sidebar_area);\n 406|        } else {\n*407|            render_sidebar(app, terminal_runtimes, frame, sidebar_area);\n 408|        }\n 409|    }\n 410|    if app.view.layout != ViewLayout::Mobile {\n*411|        render_tab_bar(app, frame, tab_bar_area);\n 412|    }\n 413|    if app\n 414|        .active\n...\n 417|    {\n*418|        render_tab_surface(app, terminal_runtimes, app.view.tab_surface(), frame);\n 419|    } else {\n*420|        render_empty(app, frame, terminal_area);\n 421|    }\n 422|\n 423|    // Ambient notifications sit above panes, but below interactive overlays.\n*424|    render_notifications(app, frame, terminal_area);\n*425|    render_popup_pane(app, terminal_runtimes, frame, terminal_area);\n 426|\n 427|    match app.mode {\n*428|        Mode::Onboarding => render_onboarding_overlay(app, frame, frame.area()),\n*429|        Mode::ReleaseNotes => render_release_notes_overlay(app, frame, frame.area()),\n*430|        Mode::ProductAnnouncement => render_product_announcement_overlay(app, frame, frame.area()),\n 431|        Mode::Navigate if app.view.layout == ViewLayout::Mobile => {\n*432|            render_mobile_panel(app, terminal_runtimes, frame, frame.area())\n 433|        }\n\n## server/\n### render_stream.rs\n*1|//! Virtual rendering helpers for headless client frame streaming.\n 2|\n 3|use ratatui::backend::{Backend, ClearType, TestBackend, WindowSize};\n 4|use ratatui::layout::{Position, Rect, Size};\n...\n 8|use crate::protocol::render_ansi::{BlitEncoder, EncodedBlit};\n*9|use crate::protocol::{CursorState, FrameData, RenderEncoding, ServerMessage, TerminalFrame};\n 10|use crate::terminal::TerminalRuntimeRegistry;\n 11|\n 12|/// Per-client render baseline for the negotiated render encoding.\n 13|pub(crate) enum ClientRenderState {\n*14|    /// Semantic clients compare full frame data and skip identical frames.\n*15|    Semantic { last_frame: Option<FrameData> },\n*16|    /// Terminal-ANSI clients keep a terminal diff encoder and sequence number.\n 17|    TerminalAnsi { blit_encoder: BlitEncoder, seq: u64 },\n 18|}\n 19|\n...\n 22|        match render_encoding {\n*23|            RenderEncoding::SemanticFrame => Self::Semantic { last_frame: None },\n 24|            RenderEncoding::TerminalAnsi => Self::TerminalAnsi {\n 25|                blit_encoder: BlitEncoder::new(),\n 26|                seq: 0,\n...\n 32|        match self {\n*33|            Self::Semantic { last_frame } => *last_frame = None,\n 34|            Self::TerminalAnsi { blit_encoder, .. } => *blit_encoder = BlitEncoder::new(),\n 35|        }\n 36|    }\n...\n 38|    pub(crate) fn reset_semantic_input_baseline(&mut self) {\n*39|        if let Self::Semantic { last_frame } = self {\n*40|            *last_frame = None;\n 41|        }\n 42|    }\n 43|\n*44|    pub(crate) fn prepare_frame(&mut self, frame: FrameData) -> Option<PreparedRender> {\n 45|        match self {\n*46|            Self::Semantic { last_frame } => {\n*47|                if last_frame.as_ref() == Some(&frame) {\n*48|                    crate::render_prof::event(\"prepare_frame.semantic.skip_current\");\n 49|                    return None;\n 50|                }\n*51|                crate::render_prof::event(\"prepare_frame.semantic.changed\");\n 52|                Some(PreparedRender::Semantic {\n*53|                    message: ServerMessage::Frame(frame),\n 54|                })\n 55|            }\n 56|            Self::TerminalAnsi { blit_encoder, seq } => {\n*57|                if blit_encoder.is_current(&frame) {\n*58|                    crate::render_prof::event(\"prepare_frame.ansi.skip_current\");\n 59|                    return None;\n 60|                }\n*61|                let mut encoded = blit_encoder.encode(&frame, false);\n*62|                crate::render_prof::event(\"prepare_frame.ansi.changed\");\n*63|                crate::render_prof::counter(\"prepare_frame.ansi.bytes\", encoded.bytes.len() as u64);\n 64|                if encoded.full {\n\n## protocol/\n### render_ansi.rs\n*1|//! Frame blitting — renders FrameData to the terminal using diff-based updates.\n 2|//!\n 3|//! The blitting strategy:\n*4|//! 1. On the first frame, write the entire buffer (full redraw).\n*5|//! 2. On subsequent frames, diff against the last frame and only write\n 6|//!    the cells that changed.\n*7|//! 3. Wrap each frame in synchronized output so terminals that support it do\n*8|//!    not expose intermediate cursor positions while the frame is painted.\n 9|//! 4. Before writing any cells, hide the cursor to avoid stray cursor\n 10|//!    artifacts on terminals that render the hardware cursor at intermediate\n*11|//!    `CUP` positions during the frame stream.\n 12|//! 5. After writing all changed cells, restore the final cursor visibility\n*13|//!    and position from `frame.cursor`.\n 14|//! 6. On platforms that need it, repeat the final cursor anchor after ending\n 15|//!    synchronized output so external IMEs can place candidate windows at the\n 16|//!    real input position. Windows Terminal exposes that repeat as visible\n...\n 33|\n*34|use crate::protocol::{underline_style_from_modifier, CellData, FrameData};\n 35|\n 36|const REVERSED_MODIFIER: u16 = 1 << 6;\n 37|\n*38|/// Bytes produced by a [`BlitEncoder`] for one terminal frame.\n 39|pub(crate) struct EncodedBlit {\n 40|    /// Terminal escape bytes ready to write to the host terminal.\n 41|    pub(crate) bytes: Vec<u8>,\n*42|    /// Whether this frame was encoded as a full redraw.\n 43|    pub(crate) full: bool,\n 44|    next_last_visible_cursor: Option<(u16, u16)>,\n 45|    next_last_cursor_shape: u8,\n...\n 47|\n*48|/// Stateful encoder that diffs semantic frames into terminal ANSI bytes.\n 49|#[derive(Default)]\n 50|pub(crate) struct BlitEncoder {\n*51|    last_frame: Option<FrameData>,\n 52|    last_visible_cursor: Option<(u16, u16)>,\n 53|    last_cursor_shape: u8,\n 54|}\n...\n 60|\n*61|    pub(crate) fn encode(&self, frame: &FrameData, force_full: bool) -> EncodedBlit {\n*62|        self.encode_inner(frame, force_full, false)\n 63|    }\n 64|\n 65|    pub(crate) fn encode_with_suppressed_visible_cursor(\n 66|        &self,\n*67|        frame: &FrameData,\n 68|        force_full: bool,\n 69|    ) -> EncodedBlit {\n*70|        self.encode_inner(frame, force_full, true)\n 71|    }\n 72|\n 73|    fn encode_inner(\n 74|        &self,\n*75|        frame: &FrameData,\n 76|        force_full: bool,\n 77|        suppress_visible_cursor: bool,\n 78|    ) -> EncodedBlit {\n...\n 81|        } else {\n*82|            self.last_frame.as_ref()\n 83|        };\n 84|        let full = force_full\n 85|            || prev.is_none()\n*86|            || prev.is_some_and(|p| p.width != frame.width || p.height != frame.height);\n 87|        let prof_stats =\n*88|            crate::render_prof::enabled().then(|| compute_prof_blit_stats(frame, prev, full));\n 89|        let prof_started = crate::render_prof::timer();\n 90|        let mut bytes = Vec::new();\n 91|        let mut next_last_visible_cursor = self.last_visible_cursor;"}],"details":{"scopePath":"C:/Windows/Temp/librarian-herdr/src/ui.rs, C:/Windows/Temp/librarian-herdr/src/server/render_stream.rs, C:/Windows/Temp/librarian-herdr/src/protocol/render_ansi.rs, C:/Windows/Temp/librarian-herdr/src/server/terminal_attach.rs","searchPath":"C:\\Windows\\Temp\\librarian-herdr\\src","cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core","matchCount":60,"fileCount":3,"files":["C:/Windows/Temp/librarian-herdr/src/ui.rs","C:/Windows/Temp/librarian-herdr/src/server/render_stream.rs","C:/Windows/Temp/librarian-herdr/src/protocol/render_ansi.rs"],"fileMatches":[{"path":"C:/Windows/Temp/librarian-herdr/src/ui.rs","count":20},{"path":"C:/Windows/Temp/librarian-herdr/src/server/render_stream.rs","count":20},{"path":"C:/Windows/Temp/librarian-herdr/src/protocol/render_ansi.rs","count":20}],"truncated":true,"perFileLimitReached":20,"displayContent":"# C:/Windows/Temp/librarian-herdr/src/\n## ui.rs\n   4│    text::Span,\n  *5│    Frame,\n   6│};\n   7│\n   8│mod dialogs;\n    │...\n 103│\n*104│// Braille spinner frames — smooth rotation\n 105│const SPINNERS: &[&str] = &[\"⠋\", \"⠙\", \"⠹\", \"⠸\", \"⠼\", \"⠴\", \"⠦\", \"⠧\", \"⠇\", \"⠏\"];\n 106│\n*107│/// Map spinner_tick (incremented every frame at ~60fps) to a spinner frame.\n 108│/// We want ~8 updates/sec so divide by 8.\n*109│pub(super) fn spinner_frame(tick: u32) -> &'static str {\n 110│    SPINNERS[(tick as usize / 8) % SPINNERS.len()]\n 111│}\n 112│\n    │...\n 146│/// This is used by the headless server when a non-foreground client needs its\n*147│/// own frame size while the shared pane runtimes stay pinned to the foreground\n 148│/// client.\n 149│pub(crate) fn compute_view_without_resizing_panes(\n 150│    app: &mut AppState,\n    │...\n 386│#[cfg_attr(not(test), allow(dead_code))]\n*387│pub fn render(app: &AppState, frame: &mut Frame) {\n 388│    let terminal_runtimes = TerminalRuntimeRegistry::new();\n*389│    render_with_runtime_registry(app, &terminal_runtimes, frame);\n 390│}\n 391│\n 392│pub fn render_with_runtime_registry(\n    │...\n 394│    terminal_runtimes: &TerminalRuntimeRegistry,\n*395│    frame: &mut Frame,\n 396│) {\n 397│    let sidebar_area = app.view.sidebar_rect;\n 398│    let tab_bar_area = app.view.tab_bar_rect;\n    │...\n 401│    if app.view.layout == ViewLayout::Mobile {\n*402│        render_mobile_header(app, terminal_runtimes, frame, app.view.mobile_header_rect);\n 403│    } else if sidebar_area.width > 0 {\n 404│        if app.sidebar_collapsed {\n*405│            render_sidebar_collapsed(app, frame, sidebar_area);\n 406│        } else {\n*407│            render_sidebar(app, terminal_runtimes, frame, sidebar_area);\n 408│        }\n 409│    }\n 410│    if app.view.layout != ViewLayout::Mobile {\n*411│        render_tab_bar(app, frame, tab_bar_area);\n 412│    }\n 413│    if app\n 414│        .active\n    │...\n 417│    {\n*418│        render_tab_surface(app, terminal_runtimes, app.view.tab_surface(), frame);\n 419│    } else {\n*420│        render_empty(app, frame, terminal_area);\n 421│    }\n 422│\n 423│    // Ambient notifications sit above panes, but below interactive overlays.\n*424│    render_notifications(app, frame, terminal_area);\n*425│    render_popup_pane(app, terminal_runtimes, frame, terminal_area);\n 426│\n 427│    match app.mode {\n*428│        Mode::Onboarding => render_onboarding_overlay(app, frame, frame.area()),\n*429│        Mode::ReleaseNotes => render_release_notes_overlay(app, frame, frame.area()),\n*430│        Mode::ProductAnnouncement => render_product_announcement_overlay(app, frame, frame.area()),\n 431│        Mode::Navigate if app.view.layout == ViewLayout::Mobile => {\n*432│            render_mobile_panel(app, terminal_runtimes, frame, frame.area())\n 433│        }\n\n## server/\n### render_stream.rs\n *1│//! Virtual rendering helpers for headless client frame streaming.\n  2│\n  3│use ratatui::backend::{Backend, ClearType, TestBackend, WindowSize};\n  4│use ratatui::layout::{Position, Rect, Size};\n   │...\n  8│use crate::protocol::render_ansi::{BlitEncoder, EncodedBlit};\n *9│use crate::protocol::{CursorState, FrameData, RenderEncoding, ServerMessage, TerminalFrame};\n 10│use crate::terminal::TerminalRuntimeRegistry;\n 11│\n 12│/// Per-client render baseline for the negotiated render encoding.\n 13│pub(crate) enum ClientRenderState {\n*14│    /// Semantic clients compare full frame data and skip identical frames.\n*15│    Semantic { last_frame: Option<FrameData> },\n*16│    /// Terminal-ANSI clients keep a terminal diff encoder and sequence number.\n 17│    TerminalAnsi { blit_encoder: BlitEncoder, seq: u64 },\n 18│}\n 19│\n   │...\n 22│        match render_encoding {\n*23│            RenderEncoding::SemanticFrame => Self::Semantic { last_frame: None },\n 24│            RenderEncoding::TerminalAnsi => Self::TerminalAnsi {\n 25│                blit_encoder: BlitEncoder::new(),\n 26│                seq: 0,\n   │...\n 32│        match self {\n*33│            Self::Semantic { last_frame } => *last_frame = None,\n 34│            Self::TerminalAnsi { blit_encoder, .. } => *blit_encoder = BlitEncoder::new(),\n 35│        }\n 36│    }\n   │...\n 38│    pub(crate) fn reset_semantic_input_baseline(&mut self) {\n*39│        if let Self::Semantic { last_frame } = self {\n*40│            *last_frame = None;\n 41│        }\n 42│    }\n 43│\n*44│    pub(crate) fn prepare_frame(&mut self, frame: FrameData) -> Option<PreparedRender> {\n 45│        match self {\n*46│            Self::Semantic { last_frame } => {\n*47│                if last_frame.as_ref() == Some(&frame) {\n*48│                    crate::render_prof::event(\"prepare_frame.semantic.skip_current\");\n 49│                    return None;\n 50│                }\n*51│                crate::render_prof::event(\"prepare_frame.semantic.changed\");\n 52│                Some(PreparedRender::Semantic {\n*53│                    message: ServerMessage::Frame(frame),\n 54│                })\n 55│            }\n 56│            Self::TerminalAnsi { blit_encoder, seq } => {\n*57│                if blit_encoder.is_current(&frame) {\n*58│                    crate::render_prof::event(\"prepare_frame.ansi.skip_current\");\n 59│                    return None;\n 60│                }\n*61│                let mut encoded = blit_encoder.encode(&frame, false);\n*62│                crate::render_prof::event(\"prepare_frame.ansi.changed\");\n*63│                crate::render_prof::counter(\"prepare_frame.ansi.bytes\", encoded.bytes.len() as u64);\n 64│                if encoded.full {\n\n## protocol/\n### render_ansi.rs\n *1│//! Frame blitting — renders FrameData to the terminal using diff-based updates.\n  2│//!\n  3│//! The blitting strategy:\n *4│//! 1. On the first frame, write the entire buffer (full redraw).\n *5│//! 2. On subsequent frames, diff against the last frame and only write\n  6│//!    the cells that changed.\n *7│//! 3. Wrap each frame in synchronized output so terminals that support it do\n *8│//!    not expose intermediate cursor positions while the frame is painted.\n  9│//! 4. Before writing any cells, hide the cursor to avoid stray cursor\n 10│//!    artifacts on terminals that render the hardware cursor at intermediate\n*11│//!    `CUP` positions during the frame stream.\n 12│//! 5. After writing all changed cells, restore the final cursor visibility\n*13│//!    and position from `frame.cursor`.\n 14│//! 6. On platforms that need it, repeat the final cursor anchor after ending\n 15│//!    synchronized output so external IMEs can place candidate windows at the\n 16│//!    real input position. Windows Terminal exposes that repeat as visible\n   │...\n 33│\n*34│use crate::protocol::{underline_style_from_modifier, CellData, FrameData};\n 35│\n 36│const REVERSED_MODIFIER: u16 = 1 << 6;\n 37│\n*38│/// Bytes produced by a [`BlitEncoder`] for one terminal frame.\n 39│pub(crate) struct EncodedBlit {\n 40│    /// Terminal escape bytes ready to write to the host terminal.\n 41│    pub(crate) bytes: Vec<u8>,\n*42│    /// Whether this frame was encoded as a full redraw.\n 43│    pub(crate) full: bool,\n 44│    next_last_visible_cursor: Option<(u16, u16)>,\n 45│    next_last_cursor_shape: u8,\n   │...\n 47│\n*48│/// Stateful encoder that diffs semantic frames into terminal ANSI bytes.\n 49│#[derive(Default)]\n 50│pub(crate) struct BlitEncoder {\n*51│    last_frame: Option<FrameData>,\n 52│    last_visible_cursor: Option<(u16, u16)>,\n 53│    last_cursor_shape: u8,\n 54│}\n   │...\n 60│\n*61│    pub(crate) fn encode(&self, frame: &FrameData, force_full: bool) -> EncodedBlit {\n*62│        self.encode_inner(frame, force_full, false)\n 63│    }\n 64│\n 65│    pub(crate) fn encode_with_suppressed_visible_cursor(\n 66│        &self,\n*67│        frame: &FrameData,\n 68│        force_full: bool,\n 69│    ) -> EncodedBlit {\n*70│        self.encode_inner(frame, force_full, true)\n 71│    }\n 72│\n 73│    fn encode_inner(\n 74│        &self,\n*75│        frame: &FrameData,\n 76│        force_full: bool,\n 77│        suppress_visible_cursor: bool,\n 78│    ) -> EncodedBlit {\n   │...\n 81│        } else {\n*82│            self.last_frame.as_ref()\n 83│        };\n 84│        let full = force_full\n 85│            || prev.is_none()\n*86│            || prev.is_some_and(|p| p.width != frame.width || p.height != frame.height);\n 87│        let prof_stats =\n*88│            crate::render_prof::enabled().then(|| compute_prof_blit_stats(frame, prev, full));\n 89│        let prof_started = crate::render_prof::timer();\n 90│        let mut bytes = Vec::new();\n 91│        let mut next_last_visible_cursor = self.last_visible_cursor;"},"isError":false,"timestamp":1784365508234}}
{"type":"message","id":"20e98e37","parentId":"de57cf6c","timestamp":"2026-07-18T09:05:08.246Z","message":{"role":"toolResult","toolCallId":"call_DADiaYGXL6OONtdPxrKAzmz2|fc_0784f445f025ad6b016a5b41c4231c819a98744317b69cd35d","toolName":"grep","content":[{"type":"text","text":"# C:/Windows/Temp/librarian-herdr/src/\n\n## pty/\n### actor.rs\n 25|    #[derive(Debug, Clone, Copy, PartialEq, Eq)]\n*26|    struct PtyResize {\n 27|        rows: u16,\n 28|        cols: u16,\n 29|        cell_width_px: u32,\n...\n 32|\n*33|    struct PtyResizeRequest {\n*34|        resize: PtyResize,\n 35|        terminal_responses: Vec<Bytes>,\n 36|    }\n 37|\n...\n 46|    enum PtyIoControlCommand {\n*47|        Resize(PtyResizeRequest),\n 48|        Shutdown,\n 49|    }\n 50|\n...\n 86|\n*87|        pub(crate) fn resize(\n 88|            &self,\n 89|            rows: u16,\n 90|            cols: u16,\n...\n 96|                .control_tx\n*97|                .send(PtyIoControlCommand::Resize(PtyResizeRequest {\n*98|                    resize: PtyResize {\n 99|                        rows,\n 100|                        cols,\n 101|                        cell_width_px,\n...\n 183|                        match command {\n*184|                            PtyIoControlCommand::Resize(request) => {\n*185|                                let size = request.resize;\n*186|                                if let Err(err) = master.resize(PtySize {\n 187|                                    rows: size.rows,\n 188|                                    cols: size.cols,\n 189|                                    pixel_width: size.cell_width_px.min(u16::MAX as u32) as u16,\n...\n 191|                                }) {\n*192|                                    warn!(pane_id, err = %err, \"windows pty resize failed\");\n 193|                                }\n 194|                                for response in request.terminal_responses {\n 195|                                    if write_all_locked(&writer, &response).is_err() {\n### fd.rs\n 67|            let err = std::io::Error::last_os_error();\n*68|            if err.kind() == std::io::ErrorKind::WouldBlock {\n 69|                return Ok(());\n 70|            }\n 71|            if err.kind() != std::io::ErrorKind::Interrupted {\n...\n 90|\n*91|    let read_fd = unsafe { OwnedFd::from_raw_fd(fds[0]) };\n 92|    let write_fd = unsafe { OwnedFd::from_raw_fd(fds[1]) };\n 93|    for fd in [read_fd.as_raw_fd(), write_fd.as_raw_fd()] {\n 94|        set_cloexec(fd).and_then(|_| set_nonblocking(fd))?;\n...\n 109|        let read = unsafe { libc::read(fd, buf.as_mut_ptr().cast(), buf.len()) };\n*110|        if read == 0 {\n 111|            return Ok(());\n 112|        }\n*113|        if read > 0 {\n 114|            continue;\n 115|        }\n 116|\n 117|        let err = std::io::Error::last_os_error();\n*118|        if err.kind() == std::io::ErrorKind::WouldBlock {\n 119|            return Ok(());\n 120|        }\n 121|        if err.kind() != std::io::ErrorKind::Interrupted {\n...\n 177|            return Err(std::io::Error::new(\n*178|                std::io::ErrorKind::BrokenPipe,\n 179|                \"poll encountered invalid PTY actor fd\",\n 180|            ));\n 181|        }\n...\n 183|            return Err(std::io::Error::new(\n*184|                std::io::ErrorKind::BrokenPipe,\n 185|                \"poll encountered PTY fd error\",\n 186|            ));\n 187|        }\n...\n 189|        return Ok(PtyWakeReadiness {\n*190|            pty_read_ready: pty_revents & (libc::POLLIN | libc::POLLHUP) != 0,\n*191|            pty_write_ready: pty_revents & (libc::POLLOUT | libc::POLLHUP) != 0,\n*192|            wake_ready: wake_revents & (libc::POLLIN | libc::POLLHUP | libc::POLLERR) != 0,\n 193|        });\n 194|    }\n 195|}\n...\n 217|#[cfg(unix)]\n*218|pub(crate) fn resize_pty_fd(\n 219|    fd: RawFd,\n 220|    rows: u16,\n 221|    cols: u16,\n\n### actor/\n#### unix.rs\n 18|const ACTOR_IDLE_POLL_MS: i32 = 1000;\n*19|const ACTOR_WRITE_READY_POLL_MS: i32 = 50;\n 20|const ACTOR_COMMAND_BUFFER: usize = 1024;\n 21|const HANDOFF_DRAIN_TIMEOUT: Duration = Duration::from_secs(2);\n 22|\n...\n 46|#[derive(Debug, Clone, Copy, PartialEq, Eq)]\n*47|struct PtyResize {\n 48|    rows: u16,\n 49|    cols: u16,\n 50|    cell_width_px: u32,\n...\n 54|#[derive(Debug, Clone, PartialEq, Eq)]\n*55|struct PtyResizeRequest {\n*56|    resize: PtyResize,\n 57|    terminal_responses: Vec<Bytes>,\n 58|}\n 59|\n...\n 61|struct SharedPtyControls {\n*62|    resize: Option<PtyResizeRequest>,\n*63|    nudge: Option<PtyResize>,\n 64|}\n 65|\n 66|pub(crate) struct PtyIoActorConfig {\n...\n 160|\n*161|    pub(crate) fn resize(\n 162|        &self,\n 163|        rows: u16,\n 164|        cols: u16,\n...\n 173|                .unwrap_or_else(|poisoned| poisoned.into_inner());\n*174|            controls.resize = Some(PtyResizeRequest {\n*175|                resize: PtyResize {\n 176|                    rows,\n 177|                    cols,\n 178|                    cell_width_px,\n...\n 198|                .unwrap_or_else(|poisoned| poisoned.into_inner());\n*199|            controls.nudge = Some(PtyResize {\n 200|                rows,\n 201|                cols,\n 202|                cell_width_px,\n...\n 223|                return Err(std::io::Error::new(\n*224|                    std::io::ErrorKind::BrokenPipe,\n 225|                    \"pty actor closed\",\n 226|                ));\n 227|            }\n...\n 249|            .send(PtyIoControlCommand::DuplicateForHandoff(reply_tx))\n*250|            .map_err(|_| std::io::Error::new(std::io::ErrorKind::BrokenPipe, \"pty actor closed\"))?;\n 251|        self.wake_actor();\n 252|        reply_rx.recv_timeout(Duration::from_secs(1)).map_err(|_| {\n 253|            std::io::Error::new(\n...\n 272|            .send(PtyIoControlCommand::RollbackHandoff(reply_tx))\n*273|            .map_err(|_| std::io::Error::new(std::io::ErrorKind::BrokenPipe, \"pty actor closed\"))?;\n 274|        self.wake_actor();\n 275|        let result = reply_rx.recv_timeout(Duration::from_secs(1)).map_err(|_| {\n 276|            std::io::Error::new(\n...\n 301|            .send(PtyIoControlCommand::ReleaseAfterCommit(reply_tx))\n*302|            .map_err(|_| std::io::Error::new(std::io::ErrorKind::BrokenPipe, \"pty actor closed\"))?;\n 303|        self.wake_actor();\n 304|        reply_rx.recv_timeout(Duration::from_secs(1)).map_err(|_| {\n 305|            std::io::Error::new(\n...\n 491|                Err(std_mpsc::TryRecvError::Empty) => break,\n*492|                Err(std_mpsc::TryRecvError::Disconnected) => {\n 493|                    should_exit = true;\n 494|                    break;\n 495|                }\n...\n 511|                Err(DataTryRecvError::Empty) => break,\n*512|                Err(DataTryRecvError::Disconnected) => {\n 513|                    should_exit = true;\n 514|                    break;\n 515|                }\n...\n 555|                    Err(std::io::Error::new(\n*556|                        std::io::ErrorKind::BrokenPipe,\n 557|                        \"PTY actor was released before handoff rollback\",\n 558|                    ))\n 559|                } else {\n...\n 580|            return Err(std::io::Error::new(\n*581|                std::io::ErrorKind::BrokenPipe,\n 582|                \"PTY actor was released before handoff quiesce\",\n 583|            ));\n 584|        }\n...\n 607|    fn apply_pending_controls(&mut self) {\n*608|        let (resize, nudge) = {\n 609|            let mut controls = self\n 610|                .controls\n 611|                .lock()\n 612|                .unwrap_or_else(|poisoned| poisoned.into_inner());\n*613|            (controls.resize.take(), controls.nudge.take())\n 614|        };\n 615|        if self.state == ActorState::Released {\n 616|            return;\n\n## server/\n### autodetect.rs\n 111|                    | io::ErrorKind::TimedOut\n*112|                    | io::ErrorKind::WouldBlock\n 113|            ) =>\n 114|        {\n 115|            return Ok(false);\n...\n 138|                    | io::ErrorKind::TimedOut\n*139|                    | io::ErrorKind::WouldBlock\n*140|                    | io::ErrorKind::BrokenPipe\n 141|                    | io::ErrorKind::ConnectionReset\n 142|            ) =>\n 143|        {\n...\n 477|        std::thread::spawn(move || {\n*478|            std::thread::sleep(Duration::from_millis(50));\n 479|            let _listener = UnixListener::bind(&path_clone).unwrap();\n 480|            // Keep the listener alive for a bit.\n 481|            std::thread::sleep(Duration::from_secs(1));\n...\n 510|\n*511|        let status = crate::api::read_runtime_status_at(&path, Duration::from_millis(200))\n 512|            .unwrap()\n 513|            .unwrap();\n 514|        let _ = handle.join();\n### client_accept.rs\n 41|            }\n*42|            Err(ref err) if err.kind() == io::ErrorKind::WouldBlock => break,\n 43|            Err(err) => {\n 44|                error!(err = %err, \"client listener accept failed\");\n 45|                break;\n...\n 60|            Ok(_stream) => {}\n*61|            Err(ref err) if err.kind() == io::ErrorKind::WouldBlock => break,\n 62|            Err(err) => {\n 63|                error!(err = %err, \"client listener reject failed\");\n 64|                break;\n### client_transport.rs\n 237|        if !state.writer_alive {\n*238|            return Err(TrySendError::Disconnected(data));\n 239|        }\n 240|        if state.render.is_some() {\n 241|            return Err(TrySendError::Full(data));\n...\n 332|    },\n*333|    /// A client sent a resize message.\n*334|    ClientResize {\n 335|        client_id: u64,\n 336|        cols: u16,\n 337|        rows: u16,\n...\n 343|    /// A client connection was lost.\n*344|    ClientDisconnected { client_id: u64 },\n 345|    /// A client writer drained its render slot and can accept another render.\n 346|    ClientWriterDrained { client_id: u64 },\n 347|    /// Ctrl+C or external shutdown signal received.\n...\n 443|        Ok(msg) => msg,\n*444|        Err(protocol::FramingError::UnexpectedEof) => {\n*445|            debug!(client_id, \"client disconnected before handshake\");\n 446|            return Ok(());\n 447|        }\n 448|        Err(protocol::FramingError::Oversized { claimed, max }) => {\n...\n 625|            Ok(msg) => msg,\n*626|            Err(protocol::FramingError::UnexpectedEof) => {\n*627|                // Client disconnected.\n 628|                let _ =\n*629|                    server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\n 630|                break;\n 631|            }\n 632|            Err(protocol::FramingError::Oversized { claimed, max }) => {\n...\n 637|                let _ =\n*638|                    server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\n 639|                break;\n 640|            }\n 641|            Err(err) => {\n...\n 643|                let _ =\n*644|                    server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\n 645|                break;\n 646|            }\n 647|        };\n...\n 658|                    let _ = server_event_tx\n*659|                        .blocking_send(ServerEvent::ClientDisconnected { client_id });\n 660|                    break;\n 661|                } else {\n 662|                    ServerEvent::ClientInput { client_id, data }\n...\n 672|                    let _ = server_event_tx\n*673|                        .blocking_send(ServerEvent::ClientDisconnected { client_id });\n 674|                    break;\n 675|                } else {\n 676|                    ServerEvent::ClientInputEvents { client_id, events }\n...\n 696|                    let _ = server_event_tx\n*697|                        .blocking_send(ServerEvent::ClientDisconnected { client_id });\n 698|                    break;\n 699|                } else {\n 700|                    ServerEvent::ClientClipboardImage {\n...\n 706|            }\n*707|            ClientMessage::Resize {\n 708|                cols,\n 709|                rows,\n 710|                cell_width_px,\n...\n 713|                let (clamped_cols, clamped_rows) = clamp_terminal_size(cols, rows);\n*714|                ServerEvent::ClientResize {\n 715|                    client_id,\n 716|                    cols: clamped_cols,\n 717|                    rows: clamped_rows,\n...\n 955|            writer.render.try_send(vec![b'z']),\n*956|            Err(TrySendError::Disconnected(_))\n 957|        ));\n 958|    }\n 959|\n...\n 1196|            .blocking_recv()\n*1197|            .expect(\"client disconnected event\")\n 1198|        {\n*1199|            ServerEvent::ClientDisconnected { client_id } => assert_eq!(client_id, 7),\n*1200|            other => panic!(\"expected ClientDisconnected, got {other:?}\"),\n 1201|        }\n 1202|\n 1203|        drop(client_stream);\n### handoff.rs\n 21|#[cfg(unix)]\n*22|const READY_TIMEOUT: Duration = Duration::from_secs(30);\n 23|#[cfg(unix)]\n 24|const OWNED_ACK_TIMEOUT: Duration = Duration::from_millis(500);\n 25|#[cfg(unix)]\n...\n 334|            Ok(accepted) => return Ok(accepted),\n*335|            Err(err) if err.kind() == io::ErrorKind::WouldBlock => {\n 336|                if std::time::Instant::now() >= deadline {\n 337|                    return Err(io::Error::new(\n 338|                        io::ErrorKind::TimedOut,\n...\n 355|        let read = stream.read(&mut byte)?;\n*356|        if read == 0 {\n 357|            return Err(io::Error::new(\n*358|                io::ErrorKind::UnexpectedEof,\n 359|                \"handoff stream closed while reading line\",\n 360|            ));\n 361|        }\n...\n 427|\n*428|    let read = unsafe { libc::recvmsg(stream.as_raw_fd(), &mut msg, 0) };\n*429|    if read < 0 {\n 430|        return Err(io::Error::last_os_error());\n 431|    }\n 432|    if msg.msg_flags & libc::MSG_CTRUNC != 0 {\n### headless.rs\n 12|//! - Routes client input events through the existing input pipeline\n*13|//! - Continues running after client disconnect\n 14|//! - Handles stale socket cleanup, explicit server stop, minimum terminal size,\n 15|//!   and pane spawn failure during restore\n 16|\n...\n 93|        }\n*94|        Err(std::sync::mpsc::RecvTimeoutError::Disconnected) => {\n*95|            warn!(\"live handoff response writer disconnected; old server exiting\");\n 96|        }\n 97|    }\n 98|}\n...\n 233|/// a low-frequency wake is required to notice new thin-client attaches while\n*234|/// otherwise idle. Keep this much slower than the old resize-poll cadence to\n 235|/// avoid reintroducing the idle CPU spin.\n 236|const CLIENT_ACCEPT_POLL_INTERVAL: Duration = Duration::from_millis(250);\n 237|\n...\n 275|    handoff_in_progress: bool,\n*276|    /// Imported panes get one app-safe resize nudge after the first client attaches.\n 277|    #[cfg(unix)]\n 278|    pending_handoff_repaint_nudge: bool,\n 279|    /// Flag set by Ctrl+C or `server stop` signal.\n...\n 375|                    error!(err = %err, \"client listener accept failed\");\n*376|                    std::thread::sleep(Duration::from_millis(50));\n 377|                    continue;\n 378|                }\n 379|            };\n...\n 478|    /// - Reads client messages and routes input\n*479|    /// - Handles scheduled tasks (resize poll, animation, session save, etc.)\n 480|    /// - Renders virtually and streams frames to clients\n 481|    pub async fn run(&mut self) -> io::Result<()> {\n 482|        crate::logging::startup(\"server\");\n...\n 930|\n*931|    fn resize_shared_runtime_to_effective_size(&mut self) {\n*932|        self.resize_shared_runtime_to_effective_size_with_pending_agent_resumes(true);\n 933|    }\n 934|\n*935|    fn resize_shared_runtime_to_effective_size_before_input(&mut self) {\n*936|        self.resize_shared_runtime_to_effective_size_with_pending_agent_resumes(false);\n 937|    }\n 938|\n*939|    fn resize_shared_runtime_to_effective_size_with_pending_agent_resumes(\n 940|        &mut self,\n 941|        start_pending_agent_resumes: bool,\n 942|    ) {\n...\n 1088|        self.handoff_in_progress = true;\n*1089|        self.disconnect_all_clients_for_handoff();\n 1090|        let _ = reject_pending_client_connections(&self.client_listener);\n 1091|\n 1092|        let mut paused_terminal_ids = Vec::new();\n...\n 1408|                        .state\n*1409|                        .direct_attach_resize_locks\n 1410|                        .remove(&terminal_id);\n 1411|                }\n 1412|            }\n...\n 1420|\n*1421|    fn client_removal_needs_shared_resize(&self, client_id: u64) -> bool {\n 1422|        if self.foreground_client_id == Some(client_id) {\n 1423|            return true;\n 1424|        }\n...\n 1433|\n*1434|    fn remove_client_and_resize_if_needed(&mut self, client_id: u64) {\n*1435|        let needs_shared_resize = self.client_removal_needs_shared_resize(client_id);\n 1436|        let foreground_changed = self.remove_client(client_id);\n*1437|        if needs_shared_resize || foreground_changed {\n*1438|            self.resize_shared_runtime_to_effective_size();\n 1439|        }\n 1440|    }\n 1441|\n...\n 1488|            if changed {\n*1489|                self.resize_shared_runtime_to_effective_size_before_input();\n 1490|            }\n 1491|            changed\n 1492|        } else {\n### render_stream.rs\n 273|    area: Rect,\n*274|    resize_panes: bool,\n 275|) -> (ratatui::buffer::Buffer, Option<CursorState>) {\n 276|    let terminal_runtimes = TerminalRuntimeRegistry::new();\n 277|    render_virtual_with_runtime_registry(\n...\n 280|        area,\n*281|        resize_panes,\n 282|        crate::kitty_graphics::HostCellSize::default(),\n 283|    )\n 284|}\n...\n 289|    area: Rect,\n*290|    resize_panes: bool,\n 291|    cell_size: crate::kitty_graphics::HostCellSize,\n 292|) -> (ratatui::buffer::Buffer, Option<CursorState>) {\n 293|    let popup_visible = app_state.popup_pane.is_some();\n...\n 295|        !popup_visible && focused_terminal_suppresses_host_cursor(app_state, terminal_runtimes);\n*296|    if resize_panes {\n 297|        crate::ui::compute_view_with_cell_size(app_state, terminal_runtimes, area, cell_size);\n 298|    } else {\n 299|        crate::ui::compute_view_without_resizing_panes(app_state, terminal_runtimes, area);\n### socket_paths.rs\n 148|            }\n*149|            std::thread::sleep(Duration::from_millis(10));\n 150|        }\n 151|\n 152|        let result = prepare_socket_path(&socket_path);\n\n### headless/\n#### pane_graphics.rs\n 185|                }\n*186|                Err(std::sync::mpsc::TrySendError::Disconnected(_)) => {\n 187|                    broken_clients.push(client_id);\n 188|                }\n 189|            }\n...\n 191|        for client_id in broken_clients {\n*192|            self.remove_client_and_resize_if_needed(client_id);\n 193|        }\n 194|\n 195|        if deferred {\n\n#### tests/\n##### pane_graphics.rs\n 133|    assert!(matches!(\n*134|        read_server_message(client_rx.recv_timeout(Duration::from_millis(100)).unwrap()),\n 135|        ServerMessage::ReloadSoundConfig\n 136|    ));\n 137|    assert_eq!(\n\n## client/\n### mod.rs\n 7|//! - Reads stdin events (keystrokes, mouse, paste) and sends them as ClientMessage::Input\n*8|//! - Detects terminal resize and sends ClientMessage::Resize\n 9|//! - Restores terminal on exit (normal or error)\n 10|//! - Handles ServerShutdown gracefully (clean exit, informative message to stderr)\n 11|//! - Handles server unreachable (clear error screen, not blank/hang)\n...\n 71|    mouse_capture_active: bool,\n*72|    /// The terminal size we reported to the server in our last Hello/Resize.\n 73|    reported_size: (u16, u16),\n 74|    /// Client-local sound playback config, refreshed on server request.\n 75|    sound_config: crate::config::SoundConfig,\n...\n 316|        match err {\n*317|            protocol::FramingError::UnexpectedEof => ClientError::ConnectionLost(io::Error::new(\n*318|                io::ErrorKind::UnexpectedEof,\n 319|                \"server closed connection\",\n 320|            )),\n 321|            protocol::FramingError::Io(err) => ClientError::ConnectionLost(err),\n...\n 679|#[cfg(unix)]\n*680|const REMOTE_HANDSHAKE_READ_TIMEOUT: Duration = Duration::from_secs(60);\n 681|\n 682|fn handshake_read_timeout() -> Duration {\n 683|    #[cfg(unix)]\n...\n 808|    StdinEvents(Vec<crate::protocol::ClientInputEvent>),\n*809|    /// Terminal resize detected.\n*810|    Resize(u16, u16, u32, u32),\n 811|    /// Server message received.\n 812|    ServerMessage(ServerMessage),\n 813|    /// Server reader thread exited (connection lost).\n*814|    ServerDisconnected,\n 815|    /// Timer tick.\n 816|    Timer,\n 817|}\n...\n 984|            Ok(_) => {}\n*985|            Err(protocol::FramingError::UnexpectedEof) => return Ok(()),\n 986|            Err(err) => return Err(io::Error::other(err.to_string())),\n 987|        }\n 988|    }\n...\n 998|    },\n*999|    #[serde(rename = \"terminal.resize\")]\n*1000|    Resize {\n 1001|        cols: u16,\n 1002|        rows: u16,\n 1003|        #[serde(default)]\n...\n 1056|        }\n*1057|        TerminalControlCommand::Resize {\n 1058|            cols,\n 1059|            rows,\n 1060|            cell_width_px,\n...\n 1063|            if cols == 0 || rows == 0 {\n*1064|                return Err(\"terminal.resize cols and rows must be greater than 0\".into());\n 1065|            }\n*1066|            Ok(ClientMessage::Resize {\n 1067|                cols,\n 1068|                rows,\n 1069|                cell_width_px,\n...\n 1271|/// - stdin reader thread → sends raw input bytes to main loop\n*1272|/// - resize poller thread → sends resize events to main loop\n 1273|/// - server reader thread → reads ServerMessages and sends to main loop\n 1274|/// - main loop: coordinates input, output, and server communication\n 1275|async fn run_client_loop(\n...\n 1306|\n*1307|    // Channel for events from the stdin, resize, and server reader threads.\n 1308|    let (event_tx, mut event_rx) = tokio::sync::mpsc::channel::<ClientLoopEvent>(256);\n 1309|\n 1310|    // Spawn the stdin reader thread.\n...\n 1328|\n*1329|    // Spawn the resize poller thread.\n*1330|    let resize_quit = should_quit.clone();\n*1331|    let resize_tx = event_tx.clone();\n 1332|    let kitty_graphics_enabled = state.kitty_graphics_enabled;\n 1333|    std::thread::spawn(move || {\n*1334|        resize_poll_loop(resize_tx, cols, rows, kitty_graphics_enabled, &resize_quit);\n 1335|    });\n 1336|\n 1337|    // Spawn the server reader thread (blocking reads from the socket).\n\n### input/\n#### windows_vti.rs\n 93|\n*94|    match unsafe { windows_sys::Win32::System::Threading::WaitForSingleObject(handle, 10) } {\n 95|        WAIT_OBJECT_0 => {}\n 96|        WAIT_TIMEOUT => return WindowsInputItems::Idle,\n 97|        _ => return WindowsInputItems::Closed,\n...\n 100|    let mut records = [windows_sys::Win32::System::Console::INPUT_RECORD::default(); 64];\n*101|    let mut read = 0;\n 102|    let ok = unsafe {\n 103|        windows_sys::Win32::System::Console::ReadConsoleInputW(\n 104|            handle,"}],"details":{"scopePath":"C:/Windows/Temp/librarian-herdr/src/pty, C:/Windows/Temp/librarian-herdr/src/server, C:/Windows/Temp/librarian-herdr/src/client, C:/Windows/Temp/librarian-herdr/src/terminal_modes.rs","searchPath":"C:\\Windows\\Temp\\librarian-herdr\\src","cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core","matchCount":125,"fileCount":14,"files":["C:/Windows/Temp/librarian-herdr/src/pty/actor.rs","C:/Windows/Temp/librarian-herdr/src/pty/actor/unix.rs","C:/Windows/Temp/librarian-herdr/src/pty/fd.rs","C:/Windows/Temp/librarian-herdr/src/server/autodetect.rs","C:/Windows/Temp/librarian-herdr/src/server/client_accept.rs","C:/Windows/Temp/librarian-herdr/src/server/client_transport.rs","C:/Windows/Temp/librarian-herdr/src/server/handoff.rs","C:/Windows/Temp/librarian-herdr/src/server/headless.rs","C:/Windows/Temp/librarian-herdr/src/server/headless/pane_graphics.rs","C:/Windows/Temp/librarian-herdr/src/server/headless/tests/pane_graphics.rs","C:/Windows/Temp/librarian-herdr/src/server/render_stream.rs","C:/Windows/Temp/librarian-herdr/src/server/socket_paths.rs","C:/Windows/Temp/librarian-herdr/src/client/input/windows_vti.rs","C:/Windows/Temp/librarian-herdr/src/client/mod.rs"],"fileMatches":[{"path":"C:/Windows/Temp/librarian-herdr/src/pty/actor.rs","count":11},{"path":"C:/Windows/Temp/librarian-herdr/src/pty/actor/unix.rs","count":20},{"path":"C:/Windows/Temp/librarian-herdr/src/pty/fd.rs","count":11},{"path":"C:/Windows/Temp/librarian-herdr/src/server/autodetect.rs","count":5},{"path":"C:/Windows/Temp/librarian-herdr/src/server/client_accept.rs","count":2},{"path":"C:/Windows/Temp/librarian-herdr/src/server/client_transport.rs","count":20},{"path":"C:/Windows/Temp/librarian-herdr/src/server/handoff.rs","count":6},{"path":"C:/Windows/Temp/librarian-herdr/src/server/headless.rs","count":20},{"path":"C:/Windows/Temp/librarian-herdr/src/server/headless/pane_graphics.rs","count":2},{"path":"C:/Windows/Temp/librarian-herdr/src/server/headless/tests/pane_graphics.rs","count":1},{"path":"C:/Windows/Temp/librarian-herdr/src/server/render_stream.rs","count":4},{"path":"C:/Windows/Temp/librarian-herdr/src/server/socket_paths.rs","count":1},{"path":"C:/Windows/Temp/librarian-herdr/src/client/input/windows_vti.rs","count":2},{"path":"C:/Windows/Temp/librarian-herdr/src/client/mod.rs","count":20}],"truncated":true,"perFileLimitReached":20,"displayContent":"# C:/Windows/Temp/librarian-herdr/src/\n\n## pty/\n### actor.rs\n  25│    #[derive(Debug, Clone, Copy, PartialEq, Eq)]\n *26│    struct PtyResize {\n  27│        rows: u16,\n  28│        cols: u16,\n  29│        cell_width_px: u32,\n    │...\n  32│\n *33│    struct PtyResizeRequest {\n *34│        resize: PtyResize,\n  35│        terminal_responses: Vec<Bytes>,\n  36│    }\n  37│\n    │...\n  46│    enum PtyIoControlCommand {\n *47│        Resize(PtyResizeRequest),\n  48│        Shutdown,\n  49│    }\n  50│\n    │...\n  86│\n *87│        pub(crate) fn resize(\n  88│            &self,\n  89│            rows: u16,\n  90│            cols: u16,\n    │...\n  96│                .control_tx\n *97│                .send(PtyIoControlCommand::Resize(PtyResizeRequest {\n *98│                    resize: PtyResize {\n  99│                        rows,\n 100│                        cols,\n 101│                        cell_width_px,\n    │...\n 183│                        match command {\n*184│                            PtyIoControlCommand::Resize(request) => {\n*185│                                let size = request.resize;\n*186│                                if let Err(err) = master.resize(PtySize {\n 187│                                    rows: size.rows,\n 188│                                    cols: size.cols,\n 189│                                    pixel_width: size.cell_width_px.min(u16::MAX as u32) as u16,\n    │...\n 191│                                }) {\n*192│                                    warn!(pane_id, err = %err, \"windows pty resize failed\");\n 193│                                }\n 194│                                for response in request.terminal_responses {\n 195│                                    if write_all_locked(&writer, &response).is_err() {\n### fd.rs\n  67│            let err = std::io::Error::last_os_error();\n *68│            if err.kind() == std::io::ErrorKind::WouldBlock {\n  69│                return Ok(());\n  70│            }\n  71│            if err.kind() != std::io::ErrorKind::Interrupted {\n    │...\n  90│\n *91│    let read_fd = unsafe { OwnedFd::from_raw_fd(fds[0]) };\n  92│    let write_fd = unsafe { OwnedFd::from_raw_fd(fds[1]) };\n  93│    for fd in [read_fd.as_raw_fd(), write_fd.as_raw_fd()] {\n  94│        set_cloexec(fd).and_then(|_| set_nonblocking(fd))?;\n    │...\n 109│        let read = unsafe { libc::read(fd, buf.as_mut_ptr().cast(), buf.len()) };\n*110│        if read == 0 {\n 111│            return Ok(());\n 112│        }\n*113│        if read > 0 {\n 114│            continue;\n 115│        }\n 116│\n 117│        let err = std::io::Error::last_os_error();\n*118│        if err.kind() == std::io::ErrorKind::WouldBlock {\n 119│            return Ok(());\n 120│        }\n 121│        if err.kind() != std::io::ErrorKind::Interrupted {\n    │...\n 177│            return Err(std::io::Error::new(\n*178│                std::io::ErrorKind::BrokenPipe,\n 179│                \"poll encountered invalid PTY actor fd\",\n 180│            ));\n 181│        }\n    │...\n 183│            return Err(std::io::Error::new(\n*184│                std::io::ErrorKind::BrokenPipe,\n 185│                \"poll encountered PTY fd error\",\n 186│            ));\n 187│        }\n    │...\n 189│        return Ok(PtyWakeReadiness {\n*190│            pty_read_ready: pty_revents & (libc::POLLIN | libc::POLLHUP) != 0,\n*191│            pty_write_ready: pty_revents & (libc::POLLOUT | libc::POLLHUP) != 0,\n*192│            wake_ready: wake_revents & (libc::POLLIN | libc::POLLHUP | libc::POLLERR) != 0,\n 193│        });\n 194│    }\n 195│}\n    │...\n 217│#[cfg(unix)]\n*218│pub(crate) fn resize_pty_fd(\n 219│    fd: RawFd,\n 220│    rows: u16,\n 221│    cols: u16,\n\n### actor/\n#### unix.rs\n  18│const ACTOR_IDLE_POLL_MS: i32 = 1000;\n *19│const ACTOR_WRITE_READY_POLL_MS: i32 = 50;\n  20│const ACTOR_COMMAND_BUFFER: usize = 1024;\n  21│const HANDOFF_DRAIN_TIMEOUT: Duration = Duration::from_secs(2);\n  22│\n    │...\n  46│#[derive(Debug, Clone, Copy, PartialEq, Eq)]\n *47│struct PtyResize {\n  48│    rows: u16,\n  49│    cols: u16,\n  50│    cell_width_px: u32,\n    │...\n  54│#[derive(Debug, Clone, PartialEq, Eq)]\n *55│struct PtyResizeRequest {\n *56│    resize: PtyResize,\n  57│    terminal_responses: Vec<Bytes>,\n  58│}\n  59│\n    │...\n  61│struct SharedPtyControls {\n *62│    resize: Option<PtyResizeRequest>,\n *63│    nudge: Option<PtyResize>,\n  64│}\n  65│\n  66│pub(crate) struct PtyIoActorConfig {\n    │...\n 160│\n*161│    pub(crate) fn resize(\n 162│        &self,\n 163│        rows: u16,\n 164│        cols: u16,\n    │...\n 173│                .unwrap_or_else(|poisoned| poisoned.into_inner());\n*174│            controls.resize = Some(PtyResizeRequest {\n*175│                resize: PtyResize {\n 176│                    rows,\n 177│                    cols,\n 178│                    cell_width_px,\n    │...\n 198│                .unwrap_or_else(|poisoned| poisoned.into_inner());\n*199│            controls.nudge = Some(PtyResize {\n 200│                rows,\n 201│                cols,\n 202│                cell_width_px,\n    │...\n 223│                return Err(std::io::Error::new(\n*224│                    std::io::ErrorKind::BrokenPipe,\n 225│                    \"pty actor closed\",\n 226│                ));\n 227│            }\n    │...\n 249│            .send(PtyIoControlCommand::DuplicateForHandoff(reply_tx))\n*250│            .map_err(|_| std::io::Error::new(std::io::ErrorKind::BrokenPipe, \"pty actor closed\"))?;\n 251│        self.wake_actor();\n 252│        reply_rx.recv_timeout(Duration::from_secs(1)).map_err(|_| {\n 253│            std::io::Error::new(\n    │...\n 272│            .send(PtyIoControlCommand::RollbackHandoff(reply_tx))\n*273│            .map_err(|_| std::io::Error::new(std::io::ErrorKind::BrokenPipe, \"pty actor closed\"))?;\n 274│        self.wake_actor();\n 275│        let result = reply_rx.recv_timeout(Duration::from_secs(1)).map_err(|_| {\n 276│            std::io::Error::new(\n    │...\n 301│            .send(PtyIoControlCommand::ReleaseAfterCommit(reply_tx))\n*302│            .map_err(|_| std::io::Error::new(std::io::ErrorKind::BrokenPipe, \"pty actor closed\"))?;\n 303│        self.wake_actor();\n 304│        reply_rx.recv_timeout(Duration::from_secs(1)).map_err(|_| {\n 305│            std::io::Error::new(\n    │...\n 491│                Err(std_mpsc::TryRecvError::Empty) => break,\n*492│                Err(std_mpsc::TryRecvError::Disconnected) => {\n 493│                    should_exit = true;\n 494│                    break;\n 495│                }\n    │...\n 511│                Err(DataTryRecvError::Empty) => break,\n*512│                Err(DataTryRecvError::Disconnected) => {\n 513│                    should_exit = true;\n 514│                    break;\n 515│                }\n    │...\n 555│                    Err(std::io::Error::new(\n*556│                        std::io::ErrorKind::BrokenPipe,\n 557│                        \"PTY actor was released before handoff rollback\",\n 558│                    ))\n 559│                } else {\n    │...\n 580│            return Err(std::io::Error::new(\n*581│                std::io::ErrorKind::BrokenPipe,\n 582│                \"PTY actor was released before handoff quiesce\",\n 583│            ));\n 584│        }\n    │...\n 607│    fn apply_pending_controls(&mut self) {\n*608│        let (resize, nudge) = {\n 609│            let mut controls = self\n 610│                .controls\n 611│                .lock()\n 612│                .unwrap_or_else(|poisoned| poisoned.into_inner());\n*613│            (controls.resize.take(), controls.nudge.take())\n 614│        };\n 615│        if self.state == ActorState::Released {\n 616│            return;\n\n## server/\n### autodetect.rs\n 111│                    | io::ErrorKind::TimedOut\n*112│                    | io::ErrorKind::WouldBlock\n 113│            ) =>\n 114│        {\n 115│            return Ok(false);\n    │...\n 138│                    | io::ErrorKind::TimedOut\n*139│                    | io::ErrorKind::WouldBlock\n*140│                    | io::ErrorKind::BrokenPipe\n 141│                    | io::ErrorKind::ConnectionReset\n 142│            ) =>\n 143│        {\n    │...\n 477│        std::thread::spawn(move || {\n*478│            std::thread::sleep(Duration::from_millis(50));\n 479│            let _listener = UnixListener::bind(&path_clone).unwrap();\n 480│            // Keep the listener alive for a bit.\n 481│            std::thread::sleep(Duration::from_secs(1));\n    │...\n 510│\n*511│        let status = crate::api::read_runtime_status_at(&path, Duration::from_millis(200))\n 512│            .unwrap()\n 513│            .unwrap();\n 514│        let _ = handle.join();\n### client_accept.rs\n 41│            }\n*42│            Err(ref err) if err.kind() == io::ErrorKind::WouldBlock => break,\n 43│            Err(err) => {\n 44│                error!(err = %err, \"client listener accept failed\");\n 45│                break;\n   │...\n 60│            Ok(_stream) => {}\n*61│            Err(ref err) if err.kind() == io::ErrorKind::WouldBlock => break,\n 62│            Err(err) => {\n 63│                error!(err = %err, \"client listener reject failed\");\n 64│                break;\n### client_transport.rs\n  237│        if !state.writer_alive {\n *238│            return Err(TrySendError::Disconnected(data));\n  239│        }\n  240│        if state.render.is_some() {\n  241│            return Err(TrySendError::Full(data));\n     │...\n  332│    },\n *333│    /// A client sent a resize message.\n *334│    ClientResize {\n  335│        client_id: u64,\n  336│        cols: u16,\n  337│        rows: u16,\n     │...\n  343│    /// A client connection was lost.\n *344│    ClientDisconnected { client_id: u64 },\n  345│    /// A client writer drained its render slot and can accept another render.\n  346│    ClientWriterDrained { client_id: u64 },\n  347│    /// Ctrl+C or external shutdown signal received.\n     │...\n  443│        Ok(msg) => msg,\n *444│        Err(protocol::FramingError::UnexpectedEof) => {\n *445│            debug!(client_id, \"client disconnected before handshake\");\n  446│            return Ok(());\n  447│        }\n  448│        Err(protocol::FramingError::Oversized { claimed, max }) => {\n     │...\n  625│            Ok(msg) => msg,\n *626│            Err(protocol::FramingError::UnexpectedEof) => {\n *627│                // Client disconnected.\n  628│                let _ =\n *629│                    server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\n  630│                break;\n  631│            }\n  632│            Err(protocol::FramingError::Oversized { claimed, max }) => {\n     │...\n  637│                let _ =\n *638│                    server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\n  639│                break;\n  640│            }\n  641│            Err(err) => {\n     │...\n  643│                let _ =\n *644│                    server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\n  645│                break;\n  646│            }\n  647│        };\n     │...\n  658│                    let _ = server_event_tx\n *659│                        .blocking_send(ServerEvent::ClientDisconnected { client_id });\n  660│                    break;\n  661│                } else {\n  662│                    ServerEvent::ClientInput { client_id, data }\n     │...\n  672│                    let _ = server_event_tx\n *673│                        .blocking_send(ServerEvent::ClientDisconnected { client_id });\n  674│                    break;\n  675│                } else {\n  676│                    ServerEvent::ClientInputEvents { client_id, events }\n     │...\n  696│                    let _ = server_event_tx\n *697│                        .blocking_send(ServerEvent::ClientDisconnected { client_id });\n  698│                    break;\n  699│                } else {\n  700│                    ServerEvent::ClientClipboardImage {\n     │...\n  706│            }\n *707│            ClientMessage::Resize {\n  708│                cols,\n  709│                rows,\n  710│                cell_width_px,\n     │...\n  713│                let (clamped_cols, clamped_rows) = clamp_terminal_size(cols, rows);\n *714│                ServerEvent::ClientResize {\n  715│                    client_id,\n  716│                    cols: clamped_cols,\n  717│                    rows: clamped_rows,\n     │...\n  955│            writer.render.try_send(vec![b'z']),\n *956│            Err(TrySendError::Disconnected(_))\n  957│        ));\n  958│    }\n  959│\n     │...\n 1196│            .blocking_recv()\n*1197│            .expect(\"client disconnected event\")\n 1198│        {\n*1199│            ServerEvent::ClientDisconnected { client_id } => assert_eq!(client_id, 7),\n*1200│            other => panic!(\"expected ClientDisconnected, got {other:?}\"),\n 1201│        }\n 1202│\n 1203│        drop(client_stream);\n### handoff.rs\n  21│#[cfg(unix)]\n *22│const READY_TIMEOUT: Duration = Duration::from_secs(30);\n  23│#[cfg(unix)]\n  24│const OWNED_ACK_TIMEOUT: Duration = Duration::from_millis(500);\n  25│#[cfg(unix)]\n    │...\n 334│            Ok(accepted) => return Ok(accepted),\n*335│            Err(err) if err.kind() == io::ErrorKind::WouldBlock => {\n 336│                if std::time::Instant::now() >= deadline {\n 337│                    return Err(io::Error::new(\n 338│                        io::ErrorKind::TimedOut,\n    │...\n 355│        let read = stream.read(&mut byte)?;\n*356│        if read == 0 {\n 357│            return Err(io::Error::new(\n*358│                io::ErrorKind::UnexpectedEof,\n 359│                \"handoff stream closed while reading line\",\n 360│            ));\n 361│        }\n    │...\n 427│\n*428│    let read = unsafe { libc::recvmsg(stream.as_raw_fd(), &mut msg, 0) };\n*429│    if read < 0 {\n 430│        return Err(io::Error::last_os_error());\n 431│    }\n 432│    if msg.msg_flags & libc::MSG_CTRUNC != 0 {\n### headless.rs\n   12│//! - Routes client input events through the existing input pipeline\n  *13│//! - Continues running after client disconnect\n   14│//! - Handles stale socket cleanup, explicit server stop, minimum terminal size,\n   15│//!   and pane spawn failure during restore\n   16│\n     │...\n   93│        }\n  *94│        Err(std::sync::mpsc::RecvTimeoutError::Disconnected) => {\n  *95│            warn!(\"live handoff response writer disconnected; old server exiting\");\n   96│        }\n   97│    }\n   98│}\n     │...\n  233│/// a low-frequency wake is required to notice new thin-client attaches while\n *234│/// otherwise idle. Keep this much slower than the old resize-poll cadence to\n  235│/// avoid reintroducing the idle CPU spin.\n  236│const CLIENT_ACCEPT_POLL_INTERVAL: Duration = Duration::from_millis(250);\n  237│\n     │...\n  275│    handoff_in_progress: bool,\n *276│    /// Imported panes get one app-safe resize nudge after the first client attaches.\n  277│    #[cfg(unix)]\n  278│    pending_handoff_repaint_nudge: bool,\n  279│    /// Flag set by Ctrl+C or `server stop` signal.\n     │...\n  375│                    error!(err = %err, \"client listener accept failed\");\n *376│                    std::thread::sleep(Duration::from_millis(50));\n  377│                    continue;\n  378│                }\n  379│            };\n     │...\n  478│    /// - Reads client messages and routes input\n *479│    /// - Handles scheduled tasks (resize poll, animation, session save, etc.)\n  480│    /// - Renders virtually and streams frames to clients\n  481│    pub async fn run(&mut self) -> io::Result<()> {\n  482│        crate::logging::startup(\"server\");\n     │...\n  930│\n *931│    fn resize_shared_runtime_to_effective_size(&mut self) {\n *932│        self.resize_shared_runtime_to_effective_size_with_pending_agent_resumes(true);\n  933│    }\n  934│\n *935│    fn resize_shared_runtime_to_effective_size_before_input(&mut self) {\n *936│        self.resize_shared_runtime_to_effective_size_with_pending_agent_resumes(false);\n  937│    }\n  938│\n *939│    fn resize_shared_runtime_to_effective_size_with_pending_agent_resumes(\n  940│        &mut self,\n  941│        start_pending_agent_resumes: bool,\n  942│    ) {\n     │...\n 1088│        self.handoff_in_progress = true;\n*1089│        self.disconnect_all_clients_for_handoff();\n 1090│        let _ = reject_pending_client_connections(&self.client_listener);\n 1091│\n 1092│        let mut paused_terminal_ids = Vec::new();\n     │...\n 1408│                        .state\n*1409│                        .direct_attach_resize_locks\n 1410│                        .remove(&terminal_id);\n 1411│                }\n 1412│            }\n     │...\n 1420│\n*1421│    fn client_removal_needs_shared_resize(&self, client_id: u64) -> bool {\n 1422│        if self.foreground_client_id == Some(client_id) {\n 1423│            return true;\n 1424│        }\n     │...\n 1433│\n*1434│    fn remove_client_and_resize_if_needed(&mut self, client_id: u64) {\n*1435│        let needs_shared_resize = self.client_removal_needs_shared_resize(client_id);\n 1436│        let foreground_changed = self.remove_client(client_id);\n*1437│        if needs_shared_resize || foreground_changed {\n*1438│            self.resize_shared_runtime_to_effective_size();\n 1439│        }\n 1440│    }\n 1441│\n     │...\n 1488│            if changed {\n*1489│                self.resize_shared_runtime_to_effective_size_before_input();\n 1490│            }\n 1491│            changed\n 1492│        } else {\n### render_stream.rs\n 273│    area: Rect,\n*274│    resize_panes: bool,\n 275│) -> (ratatui::buffer::Buffer, Option<CursorState>) {\n 276│    let terminal_runtimes = TerminalRuntimeRegistry::new();\n 277│    render_virtual_with_runtime_registry(\n    │...\n 280│        area,\n*281│        resize_panes,\n 282│        crate::kitty_graphics::HostCellSize::default(),\n 283│    )\n 284│}\n    │...\n 289│    area: Rect,\n*290│    resize_panes: bool,\n 291│    cell_size: crate::kitty_graphics::HostCellSize,\n 292│) -> (ratatui::buffer::Buffer, Option<CursorState>) {\n 293│    let popup_visible = app_state.popup_pane.is_some();\n    │...\n 295│        !popup_visible && focused_terminal_suppresses_host_cursor(app_state, terminal_runtimes);\n*296│    if resize_panes {\n 297│        crate::ui::compute_view_with_cell_size(app_state, terminal_runtimes, area, cell_size);\n 298│    } else {\n 299│        crate::ui::compute_view_without_resizing_panes(app_state, terminal_runtimes, area);\n### socket_paths.rs\n 148│            }\n*149│            std::thread::sleep(Duration::from_millis(10));\n 150│        }\n 151│\n 152│        let result = prepare_socket_path(&socket_path);\n\n### headless/\n#### pane_graphics.rs\n 185│                }\n*186│                Err(std::sync::mpsc::TrySendError::Disconnected(_)) => {\n 187│                    broken_clients.push(client_id);\n 188│                }\n 189│            }\n    │...\n 191│        for client_id in broken_clients {\n*192│            self.remove_client_and_resize_if_needed(client_id);\n 193│        }\n 194│\n 195│        if deferred {\n\n#### tests/\n##### pane_graphics.rs\n 133│    assert!(matches!(\n*134│        read_server_message(client_rx.recv_timeout(Duration::from_millis(100)).unwrap()),\n 135│        ServerMessage::ReloadSoundConfig\n 136│    ));\n 137│    assert_eq!(\n\n## client/\n### mod.rs\n    7│//! - Reads stdin events (keystrokes, mouse, paste) and sends them as ClientMessage::Input\n   *8│//! - Detects terminal resize and sends ClientMessage::Resize\n    9│//! - Restores terminal on exit (normal or error)\n   10│//! - Handles ServerShutdown gracefully (clean exit, informative message to stderr)\n   11│//! - Handles server unreachable (clear error screen, not blank/hang)\n     │...\n   71│    mouse_capture_active: bool,\n  *72│    /// The terminal size we reported to the server in our last Hello/Resize.\n   73│    reported_size: (u16, u16),\n   74│    /// Client-local sound playback config, refreshed on server request.\n   75│    sound_config: crate::config::SoundConfig,\n     │...\n  316│        match err {\n *317│            protocol::FramingError::UnexpectedEof => ClientError::ConnectionLost(io::Error::new(\n *318│                io::ErrorKind::UnexpectedEof,\n  319│                \"server closed connection\",\n  320│            )),\n  321│            protocol::FramingError::Io(err) => ClientError::ConnectionLost(err),\n     │...\n  679│#[cfg(unix)]\n *680│const REMOTE_HANDSHAKE_READ_TIMEOUT: Duration = Duration::from_secs(60);\n  681│\n  682│fn handshake_read_timeout() -> Duration {\n  683│    #[cfg(unix)]\n     │...\n  808│    StdinEvents(Vec<crate::protocol::ClientInputEvent>),\n *809│    /// Terminal resize detected.\n *810│    Resize(u16, u16, u32, u32),\n  811│    /// Server message received.\n  812│    ServerMessage(ServerMessage),\n  813│    /// Server reader thread exited (connection lost).\n *814│    ServerDisconnected,\n  815│    /// Timer tick.\n  816│    Timer,\n  817│}\n     │...\n  984│            Ok(_) => {}\n *985│            Err(protocol::FramingError::UnexpectedEof) => return Ok(()),\n  986│            Err(err) => return Err(io::Error::other(err.to_string())),\n  987│        }\n  988│    }\n     │...\n  998│    },\n *999│    #[serde(rename = \"terminal.resize\")]\n*1000│    Resize {\n 1001│        cols: u16,\n 1002│        rows: u16,\n 1003│        #[serde(default)]\n     │...\n 1056│        }\n*1057│        TerminalControlCommand::Resize {\n 1058│            cols,\n 1059│            rows,\n 1060│            cell_width_px,\n     │...\n 1063│            if cols == 0 || rows == 0 {\n*1064│                return Err(\"terminal.resize cols and rows must be greater than 0\".into());\n 1065│            }\n*1066│            Ok(ClientMessage::Resize {\n 1067│                cols,\n 1068│                rows,\n 1069│                cell_width_px,\n     │...\n 1271│/// - stdin reader thread → sends raw input bytes to main loop\n*1272│/// - resize poller thread → sends resize events to main loop\n 1273│/// - server reader thread → reads ServerMessages and sends to main loop\n 1274│/// - main loop: coordinates input, output, and server communication\n 1275│async fn run_client_loop(\n     │...\n 1306│\n*1307│    // Channel for events from the stdin, resize, and server reader threads.\n 1308│    let (event_tx, mut event_rx) = tokio::sync::mpsc::channel::<ClientLoopEvent>(256);\n 1309│\n 1310│    // Spawn the stdin reader thread.\n     │...\n 1328│\n*1329│    // Spawn the resize poller thread.\n*1330│    let resize_quit = should_quit.clone();\n*1331│    let resize_tx = event_tx.clone();\n 1332│    let kitty_graphics_enabled = state.kitty_graphics_enabled;\n 1333│    std::thread::spawn(move || {\n*1334│        resize_poll_loop(resize_tx, cols, rows, kitty_graphics_enabled, &resize_quit);\n 1335│    });\n 1336│\n 1337│    // Spawn the server reader thread (blocking reads from the socket).\n\n### input/\n#### windows_vti.rs\n  93│\n *94│    match unsafe { windows_sys::Win32::System::Threading::WaitForSingleObject(handle, 10) } {\n  95│        WAIT_OBJECT_0 => {}\n  96│        WAIT_TIMEOUT => return WindowsInputItems::Idle,\n  97│        _ => return WindowsInputItems::Closed,\n    │...\n 100│    let mut records = [windows_sys::Win32::System::Console::INPUT_RECORD::default(); 64];\n*101│    let mut read = 0;\n 102│    let ok = unsafe {\n 103│        windows_sys::Win32::System::Console::ReadConsoleInputW(\n 104│            handle,"},"isError":false,"timestamp":1784365508246}}
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terminal_responses: Vec<Bytes>,\n    ) {\n        {\n            let mut controls = self\n                .controls\n                .lock()\n                .unwrap_or_else(|poisoned| poisoned.into_inner());\n            controls.resize = Some(PtyResizeRequest {\n                resize: PtyResize {\n                    rows,\n                    cols,\n                    cell_width_px,\n                    cell_height_px,\n                },\n                terminal_responses,\n            });\n        }\n        self.wake_actor();\n    }\n\n    pub(crate) fn nudge_child_redraw_after_handoff(\n        &self,\n        rows: u16,\n        cols: u16,\n        cell_width_px: u32,\n        cell_height_px: u32,\n    ) {\n        {\n            let mut controls = self\n                .controls\n                .lock()\n                .unwrap_or_else(|poisoned| poisoned.into_inner());\n            controls.nudge = Some(PtyResize {\n                rows,\n                cols,\n                cell_width_px,\n                cell_height_px,\n            });\n        }\n        self.wake_actor();\n    }\n\n    pub(crate) fn begin_handoff(&self, timeout: Duration) -> std::io::Result<()> {\n        let (reply_tx, reply_rx) = std_mpsc::channel();\n        {\n            let mut user_writes = self\n                .user_writes\n                .lock()\n                .unwrap_or_else(|poisoned| poisoned.into_inner());\n            user_writes.accepting = false;\n            if self\n                .control_tx\n                .send(PtyIoControlCommand::BeginHandoff(reply_tx))\n                .is_err()\n            {\n                user_writes.accepting = true;\n                return Err(std::io::Error::new(\n                    std::io::ErrorKind::BrokenPipe,\n                    \"pty actor closed\",\n                ));\n            }\n            self.wake_actor();\n        }\n        match reply_rx.recv_timeout(timeout) {\n            Ok(Ok(())) => Ok(()),\n            Ok(Err(err)) => {\n                let _ = self.rollback_handoff();\n                Err(err)\n            }\n…\n        }\n    }\n…\n    fn run(&mut self) {\n…\n        if let Some(on_reader_exit) = self.on_reader_exit.take() {\n…\n        }\n        debug!(pane = self.pane_id, \"PTY actor exiting\");\n    }\n\n    fn drain_commands(&mut self) -> bool {\n        if self.drain_control_commands() {\n            return true;\n        }\n        self.drain_data_commands()\n    }\n\n    fn drain_control_commands(&mut self) -> bool {\n        let mut should_exit = false;\n        loop {\n            match self.control_rx.try_recv() {\n                Ok(command) => {\n                    if self.handle_control_command(command) {\n                        should_exit = true;\n                        break;\n                    }\n                }\n                Err(std_mpsc::TryRecvError::Empty) => break,\n                Err(std_mpsc::TryRecvError::Disconnected) => {\n                    should_exit = true;\n                    break;\n                }\n            }\n        }\n        should_exit\n    }\n\n    fn drain_data_commands(&mut self) -> bool {\n        let mut should_exit = false;\n        loop {\n            match self.data_rx.try_recv() {\n                Ok(command) => {\n                    if self.handle_data_command(command) {\n                        should_exit = true;\n                        break;\n                    }\n                }\n                Err(DataTryRecvError::Empty) => break,\n                Err(DataTryRecvError::Disconnected) => {\n                    should_exit = true;\n                    break;\n                }\n            }\n        }\n        should_exit\n    }\n\n    fn handle_data_command(&mut self, command: PtyIoDataCommand) -> bool {\n        match command {\n            PtyIoDataCommand::WriteUserInput(bytes) => {\n                if self.state == ActorState::Running {\n                    self.enqueue_write(bytes);\n                }\n            }\n        }\n        false\n    }\n\n    fn handle_control_command(&mut self, command: PtyIoControlCommand) -> bool {\n        match command {\n            PtyIoControlCommand::BeginHandoff(reply) => {\n                let result = self.begin_handoff();\n                let _ = reply.send(result);\n            }\n            PtyIoControlCommand::DuplicateForHandoff(reply) => {\n                let result = if self.state == ActorState::Quiesced {\n                    fd::duplicate_cloexec_fd(self.file.as_raw_fd())\n                } else {\n                    Err(std::io::Error::other(\n                        \"PTY actor must be quiesced before handoff duplication\",\n                    ))\n                };\n                let _ = reply.send(result);\n            }\n            PtyIoControlCommand::ForegroundProcessGroup(reply) => {\n                let result =\n                    crate::platform::foreground_process_group_id_for_tty_fd(self.file.as_raw_fd());\n                let _ = reply.send(result);\n            }\n            PtyIoControlCommand::RollbackHandoff(reply) => {\n                let result = if self.state == ActorState::Released {\n                    Err(std::io::Error::new(\n                        std::io::ErrorKind::BrokenPipe,\n                        \"PTY actor was released before handoff rollback\",\n                    ))\n                } else {\n                    self.state = ActorState::Running;\n                    Ok(())\n                };\n                let _ = reply.send(result);\n            }\n            PtyIoControlCommand::ReleaseAfterCommit(reply) => {\n                self.state = ActorState::Released;\n                self.pending_writes.clear();\n                let _ = reply.send(Ok(()));\n                return true;\n            }\n            PtyIoControlCommand::Shutdown => return true,\n        }\n        false\n    }\n\n    fn begin_handoff(&mut self) -> std::io::Result<()> {\n        self.drain_pre_quiesce_commands();\n        self.apply_pending_controls();\n        if self.state == ActorState::Released {\n            return Err(std::io::Error::new(\n                std::io::ErrorKind::BrokenPipe,\n                \"PTY actor was released before handoff quiesce\",\n            ));\n        }\n        let deadline = Instant::now() + HANDOFF_DRAIN_TIMEOUT;\n        while !self.pending_writes.is_empty() {\n            if Instant::now() >= deadline {\n                return Err(std::io::Error::new(\n                    std::io::ErrorKind::TimedOut,\n                    \"timed out draining PTY writes before handoff\",\n                ));\n            }\n            self.flush_pending_writes_once();\n        }\n        self.state = ActorState::Quiesced;\n        Ok(())\n    }\n\n    fn drain_pre_quiesce_commands(&mut self) {\n        while let Ok(PtyIoDataCommand::WriteUserInput(bytes)) = self.data_rx.try_recv() {\n            if self.state != ActorState::Released {\n                self.enqueue_write(bytes);\n            }\n        }\n    }\n\n    fn apply_pending_controls(&mut self) {\n        let (resize, nudge) = {\n            let mut controls = self\n                .controls\n                .lock()\n                .unwrap_or_else(|poisoned| poisoned.into_inner());\n            (controls.resize.take(), controls.nudge.take())\n        };\n        if self.state == ActorState::Released {\n            return;\n        }\n        if let Some(request) = resize {\n            self.resize(request.resize);\n            self.enqueue_terminal_responses(request.terminal_responses);\n        }\n        if let Some(nudge) = nudge {\n            self.nudge(nudge);\n        }\n    }\n\n    fn read_once(&mut self) -> bool {\n        let mut buf = [0u8; 8192];\n        match self.file.read(&mut buf) {\n            Ok(0) => false,\n            Err(err) if err.kind() == std::io::ErrorKind::WouldBlock => true,\n            Err(err) if err.kind() == std::io::ErrorKind::Interrupted => true,\n            Err(err) => {\n                debug!(pane = self.pane_id, err = %err, \"PTY actor read failed\");\n                false\n            }\n            Ok(n) => {\n                let result = (self.on_read)(&buf[..n]);\n                self.enqueue_terminal_responses(result.terminal_responses);\n                true\n            }\n        }\n    }\n\n    fn enqueue_terminal_responses(&mut self, terminal_responses: Vec<Bytes>) {\n        if self.state == ActorState::Released {\n            return;\n        }\n        for bytes in terminal_responses {\n            self.enqueue_write(bytes);\n        }\n    }\n\n    fn flush_pending_writes_once(&mut self) {\n        while let Some(bytes) = self.pending_writes.front() {\n            let chunk = &bytes[self.current_write_offset..];\n            match self.file.write(chunk) {\n                Ok(0) => {\n                    warn!(pane = self.pane_id, \"PTY actor write returned zero bytes\");\n                    return;\n                }\n…\n            }\n        }\n…\n    }"}],"details":{"displayContent":{"text":"    pub(crate) fn try_write_user_input(\n…\n    ) -> Result<(), mpsc::error::TrySendError<Bytes>> {\n…\n        match self\n…\n        {\n            Ok(()) => {\n…\n                Ok(())\n            }\n            Err(mpsc::error::TrySendError::Full(PtyIoDataCommand::WriteUserInput(bytes))) => {\n                Err(mpsc::error::TrySendError::Full(bytes))\n            }\n            Err(mpsc::error::TrySendError::Closed(PtyIoDataCommand::WriteUserInput(bytes))) => {\n                Err(mpsc::error::TrySendError::Closed(bytes))\n            }\n        }\n    }\n\n    pub(crate) fn resize(\n        &self,\n        rows: u16,\n        cols: u16,\n        cell_width_px: u32,\n        cell_height_px: u32,\n        terminal_responses: Vec<Bytes>,\n    ) {\n        {\n            let mut controls = self\n                .controls\n                .lock()\n                .unwrap_or_else(|poisoned| poisoned.into_inner());\n            controls.resize = Some(PtyResizeRequest {\n                resize: PtyResize {\n                    rows,\n                    cols,\n                    cell_width_px,\n                    cell_height_px,\n                },\n                terminal_responses,\n            });\n        }\n        self.wake_actor();\n    }\n\n    pub(crate) fn nudge_child_redraw_after_handoff(\n        &self,\n        rows: u16,\n        cols: u16,\n        cell_width_px: u32,\n        cell_height_px: u32,\n    ) {\n        {\n            let mut controls = self\n                .controls\n                .lock()\n                .unwrap_or_else(|poisoned| poisoned.into_inner());\n            controls.nudge = Some(PtyResize {\n                rows,\n                cols,\n                cell_width_px,\n                cell_height_px,\n            });\n        }\n        self.wake_actor();\n    }\n\n    pub(crate) fn begin_handoff(&self, timeout: Duration) -> std::io::Result<()> {\n        let (reply_tx, reply_rx) = std_mpsc::channel();\n        {\n            let mut user_writes = self\n                .user_writes\n                .lock()\n                .unwrap_or_else(|poisoned| poisoned.into_inner());\n            user_writes.accepting = false;\n            if self\n                .control_tx\n                .send(PtyIoControlCommand::BeginHandoff(reply_tx))\n                .is_err()\n            {\n                user_writes.accepting = true;\n                return Err(std::io::Error::new(\n                    std::io::ErrorKind::BrokenPipe,\n                    \"pty actor closed\",\n                ));\n            }\n            self.wake_actor();\n        }\n        match reply_rx.recv_timeout(timeout) {\n            Ok(Ok(())) => Ok(()),\n            Ok(Err(err)) => {\n                let _ = self.rollback_handoff();\n                Err(err)\n            }\n…\n        }\n    }\n…\n    fn run(&mut self) {\n…\n        if let Some(on_reader_exit) = self.on_reader_exit.take() {\n…\n        }\n        debug!(pane = self.pane_id, \"PTY actor exiting\");\n    }\n\n    fn drain_commands(&mut self) -> bool {\n        if self.drain_control_commands() {\n            return true;\n        }\n        self.drain_data_commands()\n    }\n\n    fn drain_control_commands(&mut self) -> bool {\n        let mut should_exit = false;\n        loop {\n            match self.control_rx.try_recv() {\n                Ok(command) => {\n                    if self.handle_control_command(command) {\n                        should_exit = true;\n                        break;\n                    }\n                }\n                Err(std_mpsc::TryRecvError::Empty) => break,\n                Err(std_mpsc::TryRecvError::Disconnected) => {\n                    should_exit = true;\n                    break;\n                }\n            }\n        }\n        should_exit\n    }\n\n    fn drain_data_commands(&mut self) -> bool {\n        let mut should_exit = false;\n        loop {\n            match self.data_rx.try_recv() {\n                Ok(command) => {\n                    if self.handle_data_command(command) {\n                        should_exit = true;\n                        break;\n                    }\n                }\n                Err(DataTryRecvError::Empty) => break,\n                Err(DataTryRecvError::Disconnected) => {\n                    should_exit = true;\n                    break;\n                }\n            }\n        }\n        should_exit\n    }\n\n    fn handle_data_command(&mut self, command: PtyIoDataCommand) -> bool {\n        match command {\n            PtyIoDataCommand::WriteUserInput(bytes) => {\n                if self.state == ActorState::Running {\n                    self.enqueue_write(bytes);\n                }\n            }\n        }\n        false\n    }\n\n    fn handle_control_command(&mut self, command: PtyIoControlCommand) -> bool {\n        match command {\n            PtyIoControlCommand::BeginHandoff(reply) => {\n                let result = self.begin_handoff();\n                let _ = reply.send(result);\n            }\n            PtyIoControlCommand::DuplicateForHandoff(reply) => {\n                let result = if self.state == ActorState::Quiesced {\n                    fd::duplicate_cloexec_fd(self.file.as_raw_fd())\n                } else {\n                    Err(std::io::Error::other(\n                        \"PTY actor must be quiesced before handoff duplication\",\n                    ))\n                };\n                let _ = reply.send(result);\n            }\n            PtyIoControlCommand::ForegroundProcessGroup(reply) => {\n                let result =\n                    crate::platform::foreground_process_group_id_for_tty_fd(self.file.as_raw_fd());\n                let _ = reply.send(result);\n            }\n            PtyIoControlCommand::RollbackHandoff(reply) => {\n                let result = if self.state == ActorState::Released {\n                    Err(std::io::Error::new(\n                        std::io::ErrorKind::BrokenPipe,\n                        \"PTY actor was released before handoff rollback\",\n                    ))\n                } else {\n                    self.state = ActorState::Running;\n                    Ok(())\n                };\n                let _ = reply.send(result);\n            }\n            PtyIoControlCommand::ReleaseAfterCommit(reply) => {\n                self.state = ActorState::Released;\n                self.pending_writes.clear();\n                let _ = reply.send(Ok(()));\n                return true;\n            }\n            PtyIoControlCommand::Shutdown => return true,\n        }\n        false\n    }\n\n    fn begin_handoff(&mut self) -> std::io::Result<()> {\n        self.drain_pre_quiesce_commands();\n        self.apply_pending_controls();\n        if self.state == ActorState::Released {\n            return Err(std::io::Error::new(\n                std::io::ErrorKind::BrokenPipe,\n                \"PTY actor was released before handoff quiesce\",\n            ));\n        }\n        let deadline = Instant::now() + HANDOFF_DRAIN_TIMEOUT;\n        while !self.pending_writes.is_empty() {\n            if Instant::now() >= deadline {\n                return Err(std::io::Error::new(\n                    std::io::ErrorKind::TimedOut,\n                    \"timed out draining PTY writes before handoff\",\n                ));\n            }\n            self.flush_pending_writes_once();\n        }\n        self.state = ActorState::Quiesced;\n        Ok(())\n    }\n\n    fn drain_pre_quiesce_commands(&mut self) {\n        while let Ok(PtyIoDataCommand::WriteUserInput(bytes)) = self.data_rx.try_recv() {\n            if self.state != ActorState::Released {\n                self.enqueue_write(bytes);\n            }\n        }\n    }\n\n    fn apply_pending_controls(&mut self) {\n        let (resize, nudge) = {\n            let mut controls = self\n                .controls\n                .lock()\n                .unwrap_or_else(|poisoned| poisoned.into_inner());\n            (controls.resize.take(), controls.nudge.take())\n        };\n        if self.state == ActorState::Released {\n            return;\n        }\n        if let Some(request) = resize {\n            self.resize(request.resize);\n            self.enqueue_terminal_responses(request.terminal_responses);\n        }\n        if let Some(nudge) = nudge {\n            self.nudge(nudge);\n        }\n    }\n\n    fn read_once(&mut self) -> bool {\n        let mut buf = [0u8; 8192];\n        match self.file.read(&mut buf) {\n            Ok(0) => false,\n            Err(err) if err.kind() == std::io::ErrorKind::WouldBlock => true,\n            Err(err) if err.kind() == std::io::ErrorKind::Interrupted => true,\n            Err(err) => {\n                debug!(pane = self.pane_id, err = %err, \"PTY actor read failed\");\n                false\n            }\n            Ok(n) => {\n                let result = (self.on_read)(&buf[..n]);\n                self.enqueue_terminal_responses(result.terminal_responses);\n                true\n            }\n        }\n    }\n\n    fn enqueue_terminal_responses(&mut self, terminal_responses: Vec<Bytes>) {\n        if self.state == ActorState::Released {\n            return;\n        }\n        for bytes in terminal_responses {\n            self.enqueue_write(bytes);\n        }\n    }\n\n    fn flush_pending_writes_once(&mut self) {\n        while let Some(bytes) = self.pending_writes.front() {\n            let chunk = &bytes[self.current_write_offset..];\n            match self.file.write(chunk) {\n                Ok(0) => {\n                    warn!(pane = self.pane_id, \"PTY actor write returned zero bytes\");\n                    return;\n                }\n…\n            }\n        }\n…\n    }","startLine":133,"lineNumbers":[133,null,136,null,144,null,147,148,null,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,null,243,244,null,418,null,468,null,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,null,680,681,null,683]},"meta":{"source":{"type":"path","value":"C:/Windows/Temp/librarian-herdr/src/pty/actor/unix.rs"}}},"isError":false,"timestamp":1784365517079}}
{"type":"message","id":"c98a2a9d","parentId":"7b9469cc","timestamp":"2026-07-18T09:05:17.095Z","message":{"role":"toolResult","toolCallId":"call_etEjfiU2ni1LGLHZHpXErX65|fc_0784f445f025ad6b016a5b41ccfe80819aafe62fb54cf8a49b","toolName":"read","content":[{"type":"text","text":"//! Thin client mode — connects to the server's client socket.\n//!\n//! The client:\n//! - Connects to `herdr-client.sock`, sends Hello with terminal size and protocol version\n//! - Sets up the real terminal (raw mode, mouse capture, keyboard enhancements)\n//! - Receives Frame messages and blits them to the terminal (diff against last frame)\n//! - Reads stdin events (keystrokes, mouse, paste) and sends them as ClientMessage::Input\n//! - Detects terminal resize and sends ClientMessage::Resize\n//! - Restores terminal on exit (normal or error)\n//! - Handles ServerShutdown gracefully (clean exit, informative message to stderr)\n//! - Handles server unreachable (clear error screen, not blank/hang)\n//! - Forwards OSC 52 clipboard writes from server to its own stdout\n//! - Displays sound/toast notifications forwarded from server\n\nmod input;\n\nuse std::collections::HashSet;\nuse std::io::{self, BufRead, Write as _};\nuse std::sync::atomic::{AtomicBool, Ordering};\nuse std::sync::{Arc, Mutex, OnceLock};\nuse std::time::Duration;\n\nuse base64::Engine;\nuse crossterm::event::{\n    DisableBracketedPaste, DisableFocusChange, DisableMouseCapture, EnableBracketedPaste,\n    EnableFocusChange, EnableMouseCapture,\n};\n#[cfg(unix)]\nuse crossterm::event::{KeyCode, KeyEventKind, KeyModifiers, MouseEventKind};\n#[cfg(not(windows))]\nuse crossterm::event::{PopKeyboardEnhancementFlags, PushKeyboardEnhancementFlags};\nuse crossterm::execute;\nuse crossterm::terminal::{DisableLineWrap, EnableLineWrap};\nuse interprocess::local_socket::traits::Stream as _;\nuse interprocess::TryClone as _;\nuse tracing::{debug, info, warn};\n\nuse crate::ipc::LocalStream;\nuse crate::protocol::render_ansi;\n#[cfg(unix)]\nuse crate::protocol::MAX_CLIPBOARD_IMAGE_PAYLOAD;\nuse crate::protocol::{\n    self, AttachScrollDirection, AttachScrollSource, ClientKeybindings, ClientLaunchMode,\n    ClientMessage, NotifyKind, RenderEncoding, ServerMessage, MAX_FRAME_SIZE,\n    MAX_GRAPHICS_FRAME_SIZE, PROTOCOL_VERSION,\n};\nuse crate::server::socket_paths::client_socket_path;\n\nstatic RECEIVED_KITTY_GRAPHICS_IDS: OnceLock<Mutex<HashSet<u32>>> = OnceLock::new();\n\n// ---------------------------------------------------------------------------\n// Client state\n// ---------------------------------------------------------------------------\n\nstruct ClientLoopConfig {\n    sound_config: crate::config::SoundConfig,\n    mouse_scroll_lines: usize,\n    redraw_on_focus_gained: bool,\n    host_cursor: crate::config::HostCursorModeConfig,\n    kitty_graphics_enabled: bool,\n    mouse_capture_active: bool,\n    #[cfg(unix)]\n    remote_image_paste_key: Option<(crossterm::event::KeyCode, crossterm::event::KeyModifiers)>,\n}\n\n/// State tracking for the thin client.\nstruct ClientState {\n    /// Stateful semantic-frame encoder used when the server sends FrameData.\n    blit_encoder: render_ansi::BlitEncoder,\n    /// Whether host mouse capture is currently active.\n    mouse_capture_active: bool,\n    /// The terminal size we reported to the server in our last Hello/Resize.\n    reported_size: (u16, u16),\n    /// Client-local sound playback config, refreshed on server request.\n    sound_config: crate::config::SoundConfig,\n    /// Whether this client may write Kitty graphics bytes to its host terminal.\n    kitty_graphics_enabled: bool,\n    /// Direct attach prefix escape state. None for full-app clients.\n    attach_escape: Option<AttachEscapeState>,\n    /// Rows scrolled for one direct-attach wheel notch.\n    #[cfg(unix)]\n    mouse_scroll_lines: usize,\n    /// Local-client shortcut that sends a clipboard image to a remote Herdr session.\n    #[cfg(unix)]\n    remote_image_paste_key: Option<(crossterm::event::KeyCode, crossterm::event::KeyModifiers)>,\n    /// Whether outer focus gain should force a full host-terminal redraw.\n    redraw_on_focus_gained: bool,\n    /// Whether this client draws the cursor into frame cells instead of using the host cursor.\n    draw_host_cursor: bool,\n}\n\n#[derive(Debug, Default)]\n#[cfg(windows)]\nstruct AttachEscapeState;\n\n#[derive(Debug, Default)]\n#[cfg(unix)]\nstruct AttachEscapeState {\n    pending_prefix: bool,\n}\n\n#[derive(Debug)]\n#[cfg(unix)]\nenum AttachInputAction {\n    Forward(Vec<u8>),\n    Scroll {\n        source: AttachScrollSource,\n        direction: AttachScrollDirection,\n        lines: u16,\n        column: Option<u16>,\n        row: Option<u16>,\n        modifiers: u8,\n    },\n    Detach,\n    None,\n}\n\nimpl AttachEscapeState {\n    #[cfg(unix)]\n    fn filter_input(\n        &mut self,\n        data: Vec<u8>,\n        viewport_rows: u16,\n        mouse_scroll_lines: usize,\n    ) -> AttachInputAction {\n        const PREFIX: u8 = 0x02; // Ctrl+B\n\n        let mut output = Vec::with_capacity(data.len());\n        for byte in data {\n            if self.pending_prefix {\n                self.pending_prefix = false;\n                match byte {\n                    b'q' => return AttachInputAction::Detach,\n                    PREFIX => output.push(PREFIX),\n                    other => {\n                        output.push(PREFIX);\n                        output.push(other);\n                    }\n                }\n                continue;\n            }\n\n            if byte == PREFIX {\n                self.pending_prefix = true;\n            } else {\n                output.push(byte);\n            }\n        }\n\n        if output.is_empty() {\n            AttachInputAction::None\n        } else if let Some(action) =\n            attach_scroll_action(&output, viewport_rows, mouse_scroll_lines)\n        {\n            action\n        } else {\n            AttachInputAction::Forward(output)\n        }\n    }\n}\n\n#[cfg(unix)]\nfn attach_scroll_action(\n    data: &[u8],\n    viewport_rows: u16,\n    mouse_scroll_lines: usize,\n) -> Option<AttachInputAction> {\n    let mut events = crate::raw_input::parse_raw_input_bytes_sync(data);\n    if events.len() != 1 {\n        return None;\n    }\n\n    match events.pop()? {\n        crate::raw_input::RawInputEvent::Mouse(mouse) => {\n            let direction = match mouse.kind {\n                MouseEventKind::ScrollUp => AttachScrollDirection::Up,\n                MouseEventKind::ScrollDown => AttachScrollDirection::Down,\n                _ => return Some(AttachInputAction::None),\n            };\n            Some(AttachInputAction::Scroll {\n                source: AttachScrollSource::Wheel,\n                direction,\n                lines: mouse_scroll_lines.max(1).min(u16::MAX as usize) as u16,\n                column: Some(mouse.column),\n                row: Some(mouse.row),\n                modifiers: mouse.modifiers.bits(),\n            })\n        }\n        crate::raw_input::RawInputEvent::Key(key)\n            if key.modifiers.is_empty()\n                && matches!(key.kind, KeyEventKind::Press | KeyEventKind::Repeat) =>\n        {\n            let direction = match key.code {\n                KeyCode::PageUp => AttachScrollDirection::Up,\n                KeyCode::PageDown => AttachScrollDirection::Down,\n                _ => return None,\n            };\n            Some(AttachInputAction::Scroll {\n                source: AttachScrollSource::PageKey {\n                    input: data.to_vec(),\n                },\n                direction,\n                lines: viewport_rows.saturating_sub(1).max(1),\n                column: None,\n                row: None,\n                modifiers: KeyModifiers::empty().bits(),\n            })\n        }\n        crate::raw_input::RawInputEvent::Key(key)\n            if key.modifiers.is_empty()\n                && key.kind == KeyEventKind::Release\n                && matches!(key.code, KeyCode::PageUp | KeyCode::PageDown) =>\n        {\n            Some(AttachInputAction::None)\n        }\n        _ => None,\n    }\n}\n\nimpl ClientState {\n    fn request_full_redraw(&mut self) {\n        self.blit_encoder = render_ansi::BlitEncoder::new();\n    }\n}\n\n// ---------------------------------------------------------------------------\n// Error types\n// ---------------------------------------------------------------------------\n\n/// Errors that can occur during client operation.\n#[derive(Debug)]\npub enum ClientError {\n    /// Could not connect to the server's client socket.\n    ConnectionFailed(io::Error),\n    /// Server rejected our handshake.\n    HandshakeRejected { version: u32, error: String },\n    /// Server shut down.\n    ServerShutdown { reason: Option<String> },\n    /// Lost connection to the server.\n    ConnectionLost(io::Error),\n    /// Protocol error (framing, deserialization).\n    Protocol(protocol::FramingError),\n}\n\nimpl std::fmt::Display for ClientError {\n    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {\n        match self {\n            ClientError::ConnectionFailed(err) => {\n                write!(f, \"failed to connect to server: {err}\")?;\n                let path = client_socket_path();\n                write!(\n                    f,\n                    \"\\nIs herdr server running? Start it with `herdr server`.\"\n                )?;\n                write!(f, \"\\nSocket path: {}\", path.display())\n            }\n            ClientError::HandshakeRejected { version, error } => {\n                write!(f, \"server rejected handshake (version {version}): {error}\")\n            }\n            ClientError::ServerShutdown { reason } => {\n                match reason.as_deref() {\n                    Some(\"detached\") => {\n                        if let Ok(reattach_command) =\n                            std::env::var(crate::remote::REATTACH_COMMAND_ENV_VAR)\n                        {\n                            write!(f, \"detached from remote server\")?;\n                            write!(f, \"\\nRun `{reattach_command}` to reattach\")?;\n                        } else {\n                            write!(f, \"detached from server\")?;\n                            write!(\n                                f,\n                                \"\\nRun `{}` to reattach\",\n                                crate::session::local_attach_command()\n                            )?;\n                        }\n                    }\n                    _ => {\n                        write!(f, \"server shut down\")?;\n                        if let Some(reason) = reason {\n                            write!(f, \": {reason}\")?;\n                        }\n                    }\n                }\n                Ok(())\n            }\n            ClientError::ConnectionLost(err) => {\n                if let Ok(reattach_command) = std::env::var(crate::remote::REATTACH_COMMAND_ENV_VAR)\n                {\n                    write!(f, \"lost connection to remote Herdr: {err}\")?;\n                    write!(f, \"\\nIf the remote server survived the SSH or network drop, its panes may still be running.\")?;\n                    write!(f, \"\\nRun `{reattach_command}` to reattach\")\n                } else {\n                    write!(f, \"lost connection to server: {err}\")\n                }\n            }\n            ClientError::Protocol(err) => {\n                write!(f, \"protocol error: {err}\")\n            }\n        }\n    }\n}\n\nimpl std::error::Error for ClientError {\n    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {\n        match self {\n            ClientError::ConnectionFailed(err) => Some(err),\n            ClientError::ConnectionLost(err) => Some(err),\n            ClientError::Protocol(err) => Some(err),\n            _ => None,\n        }\n    }\n}\n\nimpl From<protocol::FramingError> for ClientError {\n    fn from(err: protocol::FramingError) -> Self {\n        match err {\n            protocol::FramingError::UnexpectedEof => ClientError::ConnectionLost(io::Error::new(\n                io::ErrorKind::UnexpectedEof,\n                \"server closed connection\",\n            )),\n            protocol::FramingError::Io(err) => ClientError::ConnectionLost(err),\n            err => ClientError::Protocol(err),\n        }\n    }\n}\n\n// ---------------------------------------------------------------------------\n// Terminal setup / restore\n// ---------------------------------------------------------------------------\n\n/// Sets up the terminal for client mode (raw mode, optional mouse, keyboard enhancements).\n///\n/// Returns a guard that restores the terminal when dropped.\nfn setup_terminal(mouse_capture: bool) -> io::Result<TerminalGuard> {\n    setup_terminal_with_capabilities(true, mouse_capture)\n}\n\n/// Sets up a direct attach terminal.\n///\n/// Direct attach forwards stdin to the attached PTY. It enables mouse capture\n/// so wheel events can drive the attached viewport or be forwarded to child\n/// programs that requested mouse input.\nfn setup_direct_attach_terminal() -> io::Result<TerminalGuard> {\n    setup_terminal_with_capabilities(false, true)\n}\n\nfn setup_terminal_with_capabilities(\n    enable_client_protocols: bool,\n    mouse_capture: bool,\n) -> io::Result<TerminalGuard> {\n    ratatui::init();\n    crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout())?;\n    let host_color_scheme_reports =\n        should_enable_host_color_scheme_reports(enable_client_protocols);\n\n    if enable_client_protocols {\n        if mouse_capture {\n            set_mouse_capture(true)?;\n        } else {\n            set_mouse_capture(false)?;\n        }\n        execute!(io::stdout(), EnableBracketedPaste, EnableFocusChange)?;\n        if host_color_scheme_reports {\n            write_host_color_scheme_report_mode(&mut io::stdout(), true)?;\n        }\n        push_keyboard_enhancement_flags()?;\n    } else {\n        if should_query_host_terminal_theme() {\n            write_host_color_scheme_report_mode(&mut io::stdout(), false)?;\n        }\n        if mouse_capture {\n            set_mouse_capture(true)?;\n        } else {\n            set_mouse_capture(false)?;\n        }\n    }\n\n    #[cfg(windows)]\n    let windows_virtual_terminal_input =\n        if enable_client_protocols && windows_vti_input_backend_enabled() {\n…\n        } else {\n…\n        };\n…\n}\n…\n/// Uses a threaded architecture:\n/// - stdin reader thread → sends raw input bytes to main loop\n/// - resize poller thread → sends resize events to main loop\n/// - server reader thread → reads ServerMessages and sends to main loop\n/// - main loop: coordinates input, output, and server communication\nasync fn run_client_loop(\n    stream: LocalStream,\n    cols: u16,\n    rows: u16,\n    should_quit: Arc<AtomicBool>,\n    config: ClientLoopConfig,\n    negotiated_encoding: RenderEncoding,\n    attach_escape: Option<AttachEscapeState>,\n) -> Result<(), ClientError> {\n    #[cfg(windows)]\n    let _ = config.mouse_scroll_lines;\n    let draw_host_cursor = attach_escape.is_none() && should_draw_host_cursor(config.host_cursor);\n    #[cfg(unix)]\n    let is_remote_client = is_remote_client_process();\n\n    let mut state = ClientState {\n        blit_encoder: render_ansi::BlitEncoder::new(),\n        mouse_capture_active: config.mouse_capture_active,\n        reported_size: (cols, rows),\n        sound_config: config.sound_config,\n        kitty_graphics_enabled: config.kitty_graphics_enabled,\n        attach_escape,\n        #[cfg(unix)]\n        mouse_scroll_lines: config.mouse_scroll_lines,\n        #[cfg(unix)]\n        remote_image_paste_key: config.remote_image_paste_key,\n        redraw_on_focus_gained: config.redraw_on_focus_gained,\n        draw_host_cursor,\n    };\n    debug!(?negotiated_encoding, \"client render encoding active\");\n    let host_mouse_capture_active = Arc::new(AtomicBool::new(state.mouse_capture_active));\n\n    // Channel for events from the stdin, resize, and server reader threads.\n    let (event_tx, mut event_rx) = tokio::sync::mpsc::channel::<ClientLoopEvent>(256);\n\n    // Spawn the stdin reader thread.\n    let will_query_host_terminal_theme =\n        state.attach_escape.is_none() && should_query_host_terminal_theme();\n    let stdin_quit = should_quit.clone();\n    let stdin_tx = event_tx.clone();\n    let stdin_mouse_capture_active = host_mouse_capture_active.clone();\n    std::thread::spawn(move || {\n        input::stdin_reader_loop(\n            stdin_tx,\n            &stdin_quit,\n            will_query_host_terminal_theme,\n            stdin_mouse_capture_active,\n        );\n    });\n\n    if will_query_host_terminal_theme {\n        query_host_terminal_theme();\n    }\n\n    // Spawn the resize poller thread.\n    let resize_quit = should_quit.clone();\n    let resize_tx = event_tx.clone();\n    let kitty_graphics_enabled = state.kitty_graphics_enabled;\n    std::thread::spawn(move || {\n        resize_poll_loop(resize_tx, cols, rows, kitty_graphics_enabled, &resize_quit);\n    });\n\n    // Spawn the server reader thread (blocking reads from the socket).\n    // Clone the stream's file descriptor so we can read from a blocking stream.\n    let server_read_quit = should_quit.clone();\n    let server_read_tx = event_tx.clone();\n    let read_stream = stream.try_clone().map_err(ClientError::ConnectionFailed)?;\n    std::thread::spawn(move || {\n        let max_frame_size = if kitty_graphics_enabled {\n            MAX_GRAPHICS_FRAME_SIZE\n        } else {\n            MAX_FRAME_SIZE\n        };\n        server_reader_thread(\n            read_stream,\n            server_read_tx,\n            &server_read_quit,\n            max_frame_size,\n        );\n    });\n\n    // Use the original stream for writing (blocking is fine since we write\n    // from the async loop).\n    let mut write_stream = stream;\n    write_stream\n        .set_nonblocking(false)\n        .map_err(ClientError::ConnectionFailed)?;\n\n    // This (foreground) client owns the prefix ASCII input-source switch; a no-op on non-macOS.\n    use crate::platform::PrefixInputSource;\n    let mut prefix_input_source = crate::platform::RealPrefixInputSource::default();\n\n    // Main event loop.\n    while !should_quit.load(Ordering::Acquire) {\n        let event = tokio::select! {\n            ev = event_rx.recv() => ev.unwrap_or(ClientLoopEvent::Timer),\n            _ = tokio::time::sleep(Duration::from_millis(100)) => ClientLoopEvent::Timer,\n        };\n\n        match event {\n            #[cfg(unix)]\n            ClientLoopEvent::StdinInput(data) => {\n                let data = if let Some(attach_escape) = &mut state.attach_escape {\n                    match attach_escape.filter_input(\n                        data,\n                        state.reported_size.1,\n                        state.mouse_scroll_lines,\n                    ) {\n                        AttachInputAction::Forward(data) => data,\n                        AttachInputAction::Scroll {\n                            source,\n                            direction,\n                            lines,\n                            column,\n                            row,\n                            modifiers,\n                        } => {\n                            let msg = ClientMessage::AttachScroll {\n                                source,\n                                direction,\n                                lines,\n                                column,\n                                row,\n                                modifiers,\n                            };\n                            if let Err(e) = write_to_server(&mut write_stream, &msg) {\n                                return Err(ClientError::ConnectionLost(e));\n                            }\n                            continue;\n                        }\n                        AttachInputAction::Detach => {\n                            let _ = write_to_server(&mut write_stream, &ClientMessage::Detach);\n                            return Ok(());\n                        }\n                        AttachInputAction::None => continue,\n                    }\n                } else {\n                    let events = crate::raw_input::parse_raw_input_bytes_sync(&data);\n                    if crate::raw_input::events_require_host_surface_redraw(\n                        &events,\n                        state.redraw_on_focus_gained,\n                    ) {\n                        state.request_full_redraw();\n                    }\n                    if crate::raw_input::events_require_host_terminal_theme_query(&events) {\n                        query_host_terminal_theme();\n                    }\n                    data\n                };\n                if should_bridge_clipboard_image_paste(\n                    &data,\n                    is_remote_client,\n                    state.remote_image_paste_key,\n                ) {\n                    if let Some(image) = crate::platform::read_clipboard_image() {\n                        if image.bytes.len() > MAX_CLIPBOARD_IMAGE_PAYLOAD {\n                            warn!(\n                                bytes = image.bytes.len(),\n                                max = MAX_CLIPBOARD_IMAGE_PAYLOAD,\n                                \"local clipboard image is too large to bridge\"\n                            );\n                            continue;\n                        }\n                        info!(\n                            bytes = image.bytes.len(),\n                            extension = image.extension,\n                            \"bridging local clipboard image paste to remote server\"\n                        );\n                        let msg = ClientMessage::ClipboardImage {\n                            extension: image.extension.to_owned(),\n                            data: image.bytes,\n                        };\n                        if let Err(e) = write_to_server(&mut write_stream, &msg) {\n                            return Err(ClientError::ConnectionLost(e));\n                        }\n                        continue;\n                    }\n…\n                }\n…\n            }\n…\n            ClientLoopEvent::ServerMessage(msg) => match msg {\n…\n                ServerMessage::Terminal(frame) => {\n…\n                }\n                ServerMessage::Graphics { bytes } => {\n                    if state.kitty_graphics_enabled {\n                        record_received_kitty_graphics(&bytes);\n                        let mut stdout = io::stdout();\n                        let _ = stdout.write_all(&bytes);\n                        let _ = stdout.flush();\n                    }\n                }\n                ServerMessage::ServerShutdown { reason } => {\n                    return Err(ClientError::ServerShutdown { reason });\n                }\n                ServerMessage::Notify {\n                    kind,\n                    message,\n                    body,\n                } => {\n                    handle_notify(kind, &message, body.as_deref(), &state.sound_config);\n                }\n                ServerMessage::Clipboard { data } => {\n                    forward_clipboard(&data);\n                    let _ = io::stdout().flush();\n                }\n                ServerMessage::WindowTitle { title } => {\n                    write_window_title(title.as_deref());\n                    let _ = io::stdout().flush();\n                }\n                ServerMessage::ReloadSoundConfig => {\n                    reload_local_client_config(\n                        &mut state.sound_config,\n                        &mut state.redraw_on_focus_gained,\n                        &mut state.draw_host_cursor,\n                        #[cfg(unix)]\n                        &mut state.remote_image_paste_key,\n                    );\n                }\n                ServerMessage::MouseCapture { enabled } => {\n                    let desired = enabled;\n                    if desired != state.mouse_capture_active {\n                        set_mouse_capture(desired).map_err(ClientError::ConnectionFailed)?;\n                        #[cfg(windows)]\n                        if windows_vti_input_backend_enabled() {\n                            let _ = enable_windows_virtual_terminal_input();\n                        }\n                        state.mouse_capture_active = desired;\n                        host_mouse_capture_active.store(desired, Ordering::Release);\n                    }\n                }\n                ServerMessage::PrefixInputSource { active } => {\n                    if active {\n                        prefix_input_source.switch_to_ascii();\n                    } else {\n                        prefix_input_source.restore();\n                    }\n                }\n                ServerMessage::Welcome { .. } => {\n                    debug!(\"received unexpected Welcome in main loop\");\n                }\n            },\n            ClientLoopEvent::ServerDisconnected => {\n                return Err(ClientError::ConnectionLost(io::Error::new(\n                    io::ErrorKind::UnexpectedEof,\n                    \"server closed connection\",\n                )));\n            }\n            ClientLoopEvent::Timer => {}\n        }\n    }\n\n    // Clean exit (Ctrl+C). Send Detach before closing.\n    let detach = ClientMessage::Detach;\n    let _ = write_to_server(&mut write_stream, &detach);\n    let _ = io::stdout().flush();\n\n    Ok(())\n}\n\n// ---------------------------------------------------------------------------\n// Server reader thread\n// ---------------------------------------------------------------------------\n\n/// Blocking thread that reads ServerMessages from the server and sends them\n/// to the main event loop.\nfn server_reader_thread(\n    mut stream: LocalStream,\n    event_tx: tokio::sync::mpsc::Sender<ClientLoopEvent>,\n    should_quit: &Arc<AtomicBool>,\n    max_frame_size: usize,\n) {\n    // Ensure the read stream is in blocking mode to avoid WouldBlock errors\n    // from read_exact inside read_message. The stream should already be\n    // blocking after handshake, but we enforce it here as a safety measure.\n    if stream.set_nonblocking(false).is_err() {\n        // If we can't set blocking mode, the stream is likely broken.\n        let _ = event_tx.blocking_send(ClientLoopEvent::ServerDisconnected);\n        return;\n    }\n\n    loop {\n        if should_quit.load(Ordering::Acquire) {\n            break;\n        }\n\n        match protocol::read_message(&mut stream, max_frame_size) {\n            Ok(msg) => {\n                if event_tx\n                    .blocking_send(ClientLoopEvent::ServerMessage(msg))\n                    .is_err()\n                {\n                    break; // Main loop gone.\n                }\n            }\n            Err(protocol::FramingError::UnexpectedEof) => {\n                // Server closed connection.\n                let _ = event_tx.blocking_send(ClientLoopEvent::ServerDisconnected);\n                break;\n            }\n            Err(protocol::FramingError::Io(err)) if err.kind() == io::ErrorKind::WouldBlock => {\n                // Should not happen with blocking mode, but handle gracefully\n                // in case the stream was set nonblocking by another clone.\n                std::thread::sleep(Duration::from_millis(1));\n                continue;\n            }\n            Err(err) => {\n                warn!(err = %err, \"server read error\");\n                let _ = event_tx.blocking_send(ClientLoopEvent::ServerDisconnected);\n                break;\n            }\n        }\n    }\n}\n\n// ---------------------------------------------------------------------------\n// Write helper\n// ---------------------------------------------------------------------------\n\n/// Writes a message to the server stream (blocking).\nfn write_to_server(stream: &mut LocalStream, msg: &ClientMessage) -> io::Result<()> {\n    protocol::write_message(stream, msg).map_err(|e| io::Error::other(e.to_string()))\n}\n\n// ---------------------------------------------------------------------------\n// Notifications\n// ---------------------------------------------------------------------------\n\n#[cfg(unix)]\nfn client_remote_image_paste_key(\n    config: &crate::config::Config,\n) -> Option<(crossterm::event::KeyCode, crossterm::event::KeyModifiers)> {\n    if !is_remote_client_process() {\n        return None;\n    }\n…\n}"}],"details":{"displayContent":{"text":"//! Thin client mode — connects to the server's client socket.\n//!\n//! The client:\n//! - Connects to `herdr-client.sock`, sends Hello with terminal size and protocol version\n//! - Sets up the real terminal (raw mode, mouse capture, keyboard enhancements)\n//! - Receives Frame messages and blits them to the terminal (diff against last frame)\n//! - Reads stdin events (keystrokes, mouse, paste) and sends them as ClientMessage::Input\n//! - Detects terminal resize and sends ClientMessage::Resize\n//! - Restores terminal on exit (normal or error)\n//! - Handles ServerShutdown gracefully (clean exit, informative message to stderr)\n//! - Handles server unreachable (clear error screen, not blank/hang)\n//! - Forwards OSC 52 clipboard writes from server to its own stdout\n//! - Displays sound/toast notifications forwarded from server\n\nmod input;\n\nuse std::collections::HashSet;\nuse std::io::{self, BufRead, Write as _};\nuse std::sync::atomic::{AtomicBool, Ordering};\nuse std::sync::{Arc, Mutex, OnceLock};\nuse std::time::Duration;\n\nuse base64::Engine;\nuse crossterm::event::{\n    DisableBracketedPaste, DisableFocusChange, DisableMouseCapture, EnableBracketedPaste,\n    EnableFocusChange, EnableMouseCapture,\n};\n#[cfg(unix)]\nuse crossterm::event::{KeyCode, KeyEventKind, KeyModifiers, MouseEventKind};\n#[cfg(not(windows))]\nuse crossterm::event::{PopKeyboardEnhancementFlags, PushKeyboardEnhancementFlags};\nuse crossterm::execute;\nuse crossterm::terminal::{DisableLineWrap, EnableLineWrap};\nuse interprocess::local_socket::traits::Stream as _;\nuse interprocess::TryClone as _;\nuse tracing::{debug, info, warn};\n\nuse crate::ipc::LocalStream;\nuse crate::protocol::render_ansi;\n#[cfg(unix)]\nuse crate::protocol::MAX_CLIPBOARD_IMAGE_PAYLOAD;\nuse crate::protocol::{\n    self, AttachScrollDirection, AttachScrollSource, ClientKeybindings, ClientLaunchMode,\n    ClientMessage, NotifyKind, RenderEncoding, ServerMessage, MAX_FRAME_SIZE,\n    MAX_GRAPHICS_FRAME_SIZE, PROTOCOL_VERSION,\n};\nuse crate::server::socket_paths::client_socket_path;\n\nstatic RECEIVED_KITTY_GRAPHICS_IDS: OnceLock<Mutex<HashSet<u32>>> = OnceLock::new();\n\n// ---------------------------------------------------------------------------\n// Client state\n// ---------------------------------------------------------------------------\n\nstruct ClientLoopConfig {\n    sound_config: crate::config::SoundConfig,\n    mouse_scroll_lines: usize,\n    redraw_on_focus_gained: bool,\n    host_cursor: crate::config::HostCursorModeConfig,\n    kitty_graphics_enabled: bool,\n    mouse_capture_active: bool,\n    #[cfg(unix)]\n    remote_image_paste_key: Option<(crossterm::event::KeyCode, crossterm::event::KeyModifiers)>,\n}\n\n/// State tracking for the thin client.\nstruct ClientState {\n    /// Stateful semantic-frame encoder used when the server sends FrameData.\n    blit_encoder: render_ansi::BlitEncoder,\n    /// Whether host mouse capture is currently active.\n    mouse_capture_active: bool,\n    /// The terminal size we reported to the server in our last Hello/Resize.\n    reported_size: (u16, u16),\n    /// Client-local sound playback config, refreshed on server request.\n    sound_config: crate::config::SoundConfig,\n    /// Whether this client may write Kitty graphics bytes to its host terminal.\n    kitty_graphics_enabled: bool,\n    /// Direct attach prefix escape state. None for full-app clients.\n    attach_escape: Option<AttachEscapeState>,\n    /// Rows scrolled for one direct-attach wheel notch.\n    #[cfg(unix)]\n    mouse_scroll_lines: usize,\n    /// Local-client shortcut that sends a clipboard image to a remote Herdr session.\n    #[cfg(unix)]\n    remote_image_paste_key: Option<(crossterm::event::KeyCode, crossterm::event::KeyModifiers)>,\n    /// Whether outer focus gain should force a full host-terminal redraw.\n    redraw_on_focus_gained: bool,\n    /// Whether this client draws the cursor into frame cells instead of using the host cursor.\n    draw_host_cursor: bool,\n}\n\n#[derive(Debug, Default)]\n#[cfg(windows)]\nstruct AttachEscapeState;\n\n#[derive(Debug, Default)]\n#[cfg(unix)]\nstruct AttachEscapeState {\n    pending_prefix: bool,\n}\n\n#[derive(Debug)]\n#[cfg(unix)]\nenum AttachInputAction {\n    Forward(Vec<u8>),\n    Scroll {\n        source: AttachScrollSource,\n        direction: AttachScrollDirection,\n        lines: u16,\n        column: Option<u16>,\n        row: Option<u16>,\n        modifiers: u8,\n    },\n    Detach,\n    None,\n}\n\nimpl AttachEscapeState {\n    #[cfg(unix)]\n    fn filter_input(\n        &mut self,\n        data: Vec<u8>,\n        viewport_rows: u16,\n        mouse_scroll_lines: usize,\n    ) -> AttachInputAction {\n        const PREFIX: u8 = 0x02; // Ctrl+B\n\n        let mut output = Vec::with_capacity(data.len());\n        for byte in data {\n            if self.pending_prefix {\n                self.pending_prefix = false;\n                match byte {\n                    b'q' => return AttachInputAction::Detach,\n                    PREFIX => output.push(PREFIX),\n                    other => {\n                        output.push(PREFIX);\n                        output.push(other);\n                    }\n                }\n                continue;\n            }\n\n            if byte == PREFIX {\n                self.pending_prefix = true;\n            } else {\n                output.push(byte);\n            }\n        }\n\n        if output.is_empty() {\n            AttachInputAction::None\n        } else if let Some(action) =\n            attach_scroll_action(&output, viewport_rows, mouse_scroll_lines)\n        {\n            action\n        } else {\n            AttachInputAction::Forward(output)\n        }\n    }\n}\n\n#[cfg(unix)]\nfn attach_scroll_action(\n    data: &[u8],\n    viewport_rows: u16,\n    mouse_scroll_lines: usize,\n) -> Option<AttachInputAction> {\n    let mut events = crate::raw_input::parse_raw_input_bytes_sync(data);\n    if events.len() != 1 {\n        return None;\n    }\n\n    match events.pop()? {\n        crate::raw_input::RawInputEvent::Mouse(mouse) => {\n            let direction = match mouse.kind {\n                MouseEventKind::ScrollUp => AttachScrollDirection::Up,\n                MouseEventKind::ScrollDown => AttachScrollDirection::Down,\n                _ => return Some(AttachInputAction::None),\n            };\n            Some(AttachInputAction::Scroll {\n                source: AttachScrollSource::Wheel,\n                direction,\n                lines: mouse_scroll_lines.max(1).min(u16::MAX as usize) as u16,\n                column: Some(mouse.column),\n                row: Some(mouse.row),\n                modifiers: mouse.modifiers.bits(),\n            })\n        }\n        crate::raw_input::RawInputEvent::Key(key)\n            if key.modifiers.is_empty()\n                && matches!(key.kind, KeyEventKind::Press | KeyEventKind::Repeat) =>\n        {\n            let direction = match key.code {\n                KeyCode::PageUp => AttachScrollDirection::Up,\n                KeyCode::PageDown => AttachScrollDirection::Down,\n                _ => return None,\n            };\n            Some(AttachInputAction::Scroll {\n                source: AttachScrollSource::PageKey {\n                    input: data.to_vec(),\n                },\n                direction,\n                lines: viewport_rows.saturating_sub(1).max(1),\n                column: None,\n                row: None,\n                modifiers: KeyModifiers::empty().bits(),\n            })\n        }\n        crate::raw_input::RawInputEvent::Key(key)\n            if key.modifiers.is_empty()\n                && key.kind == KeyEventKind::Release\n                && matches!(key.code, KeyCode::PageUp | KeyCode::PageDown) =>\n        {\n            Some(AttachInputAction::None)\n        }\n        _ => None,\n    }\n}\n\nimpl ClientState {\n    fn request_full_redraw(&mut self) {\n        self.blit_encoder = render_ansi::BlitEncoder::new();\n    }\n}\n\n// ---------------------------------------------------------------------------\n// Error types\n// ---------------------------------------------------------------------------\n\n/// Errors that can occur during client operation.\n#[derive(Debug)]\npub enum ClientError {\n    /// Could not connect to the server's client socket.\n    ConnectionFailed(io::Error),\n    /// Server rejected our handshake.\n    HandshakeRejected { version: u32, error: String },\n    /// Server shut down.\n    ServerShutdown { reason: Option<String> },\n    /// Lost connection to the server.\n    ConnectionLost(io::Error),\n    /// Protocol error (framing, deserialization).\n    Protocol(protocol::FramingError),\n}\n\nimpl std::fmt::Display for ClientError {\n    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {\n        match self {\n            ClientError::ConnectionFailed(err) => {\n                write!(f, \"failed to connect to server: {err}\")?;\n                let path = client_socket_path();\n                write!(\n                    f,\n                    \"\\nIs herdr server running? Start it with `herdr server`.\"\n                )?;\n                write!(f, \"\\nSocket path: {}\", path.display())\n            }\n            ClientError::HandshakeRejected { version, error } => {\n                write!(f, \"server rejected handshake (version {version}): {error}\")\n            }\n            ClientError::ServerShutdown { reason } => {\n                match reason.as_deref() {\n                    Some(\"detached\") => {\n                        if let Ok(reattach_command) =\n                            std::env::var(crate::remote::REATTACH_COMMAND_ENV_VAR)\n                        {\n                            write!(f, \"detached from remote server\")?;\n                            write!(f, \"\\nRun `{reattach_command}` to reattach\")?;\n                        } else {\n                            write!(f, \"detached from server\")?;\n                            write!(\n                                f,\n                                \"\\nRun `{}` to reattach\",\n                                crate::session::local_attach_command()\n                            )?;\n                        }\n                    }\n                    _ => {\n                        write!(f, \"server shut down\")?;\n                        if let Some(reason) = reason {\n                            write!(f, \": {reason}\")?;\n                        }\n                    }\n                }\n                Ok(())\n            }\n            ClientError::ConnectionLost(err) => {\n                if let Ok(reattach_command) = std::env::var(crate::remote::REATTACH_COMMAND_ENV_VAR)\n                {\n                    write!(f, \"lost connection to remote Herdr: {err}\")?;\n                    write!(f, \"\\nIf the remote server survived the SSH or network drop, its panes may still be running.\")?;\n                    write!(f, \"\\nRun `{reattach_command}` to reattach\")\n                } else {\n                    write!(f, \"lost connection to server: {err}\")\n                }\n            }\n            ClientError::Protocol(err) => {\n                write!(f, \"protocol error: {err}\")\n            }\n        }\n    }\n}\n\nimpl std::error::Error for ClientError {\n    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {\n        match self {\n            ClientError::ConnectionFailed(err) => Some(err),\n            ClientError::ConnectionLost(err) => Some(err),\n            ClientError::Protocol(err) => Some(err),\n            _ => None,\n        }\n    }\n}\n\nimpl From<protocol::FramingError> for ClientError {\n    fn from(err: protocol::FramingError) -> Self {\n        match err {\n            protocol::FramingError::UnexpectedEof => ClientError::ConnectionLost(io::Error::new(\n                io::ErrorKind::UnexpectedEof,\n                \"server closed connection\",\n            )),\n            protocol::FramingError::Io(err) => ClientError::ConnectionLost(err),\n            err => ClientError::Protocol(err),\n        }\n    }\n}\n\n// ---------------------------------------------------------------------------\n// Terminal setup / restore\n// ---------------------------------------------------------------------------\n\n/// Sets up the terminal for client mode (raw mode, optional mouse, keyboard enhancements).\n///\n/// Returns a guard that restores the terminal when dropped.\nfn setup_terminal(mouse_capture: bool) -> io::Result<TerminalGuard> {\n    setup_terminal_with_capabilities(true, mouse_capture)\n}\n\n/// Sets up a direct attach terminal.\n///\n/// Direct attach forwards stdin to the attached PTY. It enables mouse capture\n/// so wheel events can drive the attached viewport or be forwarded to child\n/// programs that requested mouse input.\nfn setup_direct_attach_terminal() -> io::Result<TerminalGuard> {\n    setup_terminal_with_capabilities(false, true)\n}\n\nfn setup_terminal_with_capabilities(\n    enable_client_protocols: bool,\n    mouse_capture: bool,\n) -> io::Result<TerminalGuard> {\n    ratatui::init();\n    crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout())?;\n    let host_color_scheme_reports =\n        should_enable_host_color_scheme_reports(enable_client_protocols);\n\n    if enable_client_protocols {\n        if mouse_capture {\n            set_mouse_capture(true)?;\n        } else {\n            set_mouse_capture(false)?;\n        }\n        execute!(io::stdout(), EnableBracketedPaste, EnableFocusChange)?;\n        if host_color_scheme_reports {\n            write_host_color_scheme_report_mode(&mut io::stdout(), true)?;\n        }\n        push_keyboard_enhancement_flags()?;\n    } else {\n        if should_query_host_terminal_theme() {\n            write_host_color_scheme_report_mode(&mut io::stdout(), false)?;\n        }\n        if mouse_capture {\n            set_mouse_capture(true)?;\n        } else {\n            set_mouse_capture(false)?;\n        }\n    }\n\n    #[cfg(windows)]\n    let windows_virtual_terminal_input =\n        if enable_client_protocols && windows_vti_input_backend_enabled() {\n…\n        } else {\n…\n        };\n…\n}\n…\n/// Uses a threaded architecture:\n/// - stdin reader thread → sends raw input bytes to main loop\n/// - resize poller thread → sends resize events to main loop\n/// - server reader thread → reads ServerMessages and sends to main loop\n/// - main loop: coordinates input, output, and server communication\nasync fn run_client_loop(\n    stream: LocalStream,\n    cols: u16,\n    rows: u16,\n    should_quit: Arc<AtomicBool>,\n    config: ClientLoopConfig,\n    negotiated_encoding: RenderEncoding,\n    attach_escape: Option<AttachEscapeState>,\n) -> Result<(), ClientError> {\n    #[cfg(windows)]\n    let _ = config.mouse_scroll_lines;\n    let draw_host_cursor = attach_escape.is_none() && should_draw_host_cursor(config.host_cursor);\n    #[cfg(unix)]\n    let is_remote_client = is_remote_client_process();\n\n    let mut state = ClientState {\n        blit_encoder: render_ansi::BlitEncoder::new(),\n        mouse_capture_active: config.mouse_capture_active,\n        reported_size: (cols, rows),\n        sound_config: config.sound_config,\n        kitty_graphics_enabled: config.kitty_graphics_enabled,\n        attach_escape,\n        #[cfg(unix)]\n        mouse_scroll_lines: config.mouse_scroll_lines,\n        #[cfg(unix)]\n        remote_image_paste_key: config.remote_image_paste_key,\n        redraw_on_focus_gained: config.redraw_on_focus_gained,\n        draw_host_cursor,\n    };\n    debug!(?negotiated_encoding, \"client render encoding active\");\n    let host_mouse_capture_active = Arc::new(AtomicBool::new(state.mouse_capture_active));\n\n    // Channel for events from the stdin, resize, and server reader threads.\n    let (event_tx, mut event_rx) = tokio::sync::mpsc::channel::<ClientLoopEvent>(256);\n\n    // Spawn the stdin reader thread.\n    let will_query_host_terminal_theme =\n        state.attach_escape.is_none() && should_query_host_terminal_theme();\n    let stdin_quit = should_quit.clone();\n    let stdin_tx = event_tx.clone();\n    let stdin_mouse_capture_active = host_mouse_capture_active.clone();\n    std::thread::spawn(move || {\n        input::stdin_reader_loop(\n            stdin_tx,\n            &stdin_quit,\n            will_query_host_terminal_theme,\n            stdin_mouse_capture_active,\n        );\n    });\n\n    if will_query_host_terminal_theme {\n        query_host_terminal_theme();\n    }\n\n    // Spawn the resize poller thread.\n    let resize_quit = should_quit.clone();\n    let resize_tx = event_tx.clone();\n    let kitty_graphics_enabled = state.kitty_graphics_enabled;\n    std::thread::spawn(move || {\n        resize_poll_loop(resize_tx, cols, rows, kitty_graphics_enabled, &resize_quit);\n    });\n\n    // Spawn the server reader thread (blocking reads from the socket).\n    // Clone the stream's file descriptor so we can read from a blocking stream.\n    let server_read_quit = should_quit.clone();\n    let server_read_tx = event_tx.clone();\n    let read_stream = stream.try_clone().map_err(ClientError::ConnectionFailed)?;\n    std::thread::spawn(move || {\n        let max_frame_size = if kitty_graphics_enabled {\n            MAX_GRAPHICS_FRAME_SIZE\n        } else {\n            MAX_FRAME_SIZE\n        };\n        server_reader_thread(\n            read_stream,\n            server_read_tx,\n            &server_read_quit,\n            max_frame_size,\n        );\n    });\n\n    // Use the original stream for writing (blocking is fine since we write\n    // from the async loop).\n    let mut write_stream = stream;\n    write_stream\n        .set_nonblocking(false)\n        .map_err(ClientError::ConnectionFailed)?;\n\n    // This (foreground) client owns the prefix ASCII input-source switch; a no-op on non-macOS.\n    use crate::platform::PrefixInputSource;\n    let mut prefix_input_source = crate::platform::RealPrefixInputSource::default();\n\n    // Main event loop.\n    while !should_quit.load(Ordering::Acquire) {\n        let event = tokio::select! {\n            ev = event_rx.recv() => ev.unwrap_or(ClientLoopEvent::Timer),\n            _ = tokio::time::sleep(Duration::from_millis(100)) => ClientLoopEvent::Timer,\n        };\n\n        match event {\n            #[cfg(unix)]\n            ClientLoopEvent::StdinInput(data) => {\n                let data = if let Some(attach_escape) = &mut state.attach_escape {\n                    match attach_escape.filter_input(\n                        data,\n                        state.reported_size.1,\n                        state.mouse_scroll_lines,\n                    ) {\n                        AttachInputAction::Forward(data) => data,\n                        AttachInputAction::Scroll {\n                            source,\n                            direction,\n                            lines,\n                            column,\n                            row,\n                            modifiers,\n                        } => {\n                            let msg = ClientMessage::AttachScroll {\n                                source,\n                                direction,\n                                lines,\n                                column,\n                                row,\n                                modifiers,\n                            };\n                            if let Err(e) = write_to_server(&mut write_stream, &msg) {\n                                return Err(ClientError::ConnectionLost(e));\n                            }\n                            continue;\n                        }\n                        AttachInputAction::Detach => {\n                            let _ = write_to_server(&mut write_stream, &ClientMessage::Detach);\n                            return Ok(());\n                        }\n                        AttachInputAction::None => continue,\n                    }\n                } else {\n                    let events = crate::raw_input::parse_raw_input_bytes_sync(&data);\n                    if crate::raw_input::events_require_host_surface_redraw(\n                        &events,\n                        state.redraw_on_focus_gained,\n                    ) {\n                        state.request_full_redraw();\n                    }\n                    if crate::raw_input::events_require_host_terminal_theme_query(&events) {\n                        query_host_terminal_theme();\n                    }\n                    data\n                };\n                if should_bridge_clipboard_image_paste(\n                    &data,\n                    is_remote_client,\n                    state.remote_image_paste_key,\n                ) {\n                    if let Some(image) = crate::platform::read_clipboard_image() {\n                        if image.bytes.len() > MAX_CLIPBOARD_IMAGE_PAYLOAD {\n                            warn!(\n                                bytes = image.bytes.len(),\n                                max = MAX_CLIPBOARD_IMAGE_PAYLOAD,\n                                \"local clipboard image is too large to bridge\"\n                            );\n                            continue;\n                        }\n                        info!(\n                            bytes = image.bytes.len(),\n                            extension = image.extension,\n                            \"bridging local clipboard image paste to remote server\"\n                        );\n                        let msg = ClientMessage::ClipboardImage {\n                            extension: image.extension.to_owned(),\n                            data: image.bytes,\n                        };\n                        if let Err(e) = write_to_server(&mut write_stream, &msg) {\n                            return Err(ClientError::ConnectionLost(e));\n                        }\n                        continue;\n                    }\n…\n                }\n…\n            }\n…\n            ClientLoopEvent::ServerMessage(msg) => match msg {\n…\n                ServerMessage::Terminal(frame) => {\n…\n                }\n                ServerMessage::Graphics { bytes } => {\n                    if state.kitty_graphics_enabled {\n                        record_received_kitty_graphics(&bytes);\n                        let mut stdout = io::stdout();\n                        let _ = stdout.write_all(&bytes);\n                        let _ = stdout.flush();\n                    }\n                }\n                ServerMessage::ServerShutdown { reason } => {\n                    return Err(ClientError::ServerShutdown { reason });\n                }\n                ServerMessage::Notify {\n                    kind,\n                    message,\n                    body,\n                } => {\n                    handle_notify(kind, &message, body.as_deref(), &state.sound_config);\n                }\n                ServerMessage::Clipboard { data } => {\n                    forward_clipboard(&data);\n                    let _ = io::stdout().flush();\n                }\n                ServerMessage::WindowTitle { title } => {\n                    write_window_title(title.as_deref());\n                    let _ = io::stdout().flush();\n                }\n                ServerMessage::ReloadSoundConfig => {\n                    reload_local_client_config(\n                        &mut state.sound_config,\n                        &mut state.redraw_on_focus_gained,\n                        &mut state.draw_host_cursor,\n                        #[cfg(unix)]\n                        &mut state.remote_image_paste_key,\n                    );\n                }\n                ServerMessage::MouseCapture { enabled } => {\n                    let desired = enabled;\n                    if desired != state.mouse_capture_active {\n                        set_mouse_capture(desired).map_err(ClientError::ConnectionFailed)?;\n                        #[cfg(windows)]\n                        if windows_vti_input_backend_enabled() {\n                            let _ = enable_windows_virtual_terminal_input();\n                        }\n                        state.mouse_capture_active = desired;\n                        host_mouse_capture_active.store(desired, Ordering::Release);\n                    }\n                }\n                ServerMessage::PrefixInputSource { active } => {\n                    if active {\n                        prefix_input_source.switch_to_ascii();\n                    } else {\n                        prefix_input_source.restore();\n                    }\n                }\n                ServerMessage::Welcome { .. } => {\n                    debug!(\"received unexpected Welcome in main loop\");\n                }\n            },\n            ClientLoopEvent::ServerDisconnected => {\n                return Err(ClientError::ConnectionLost(io::Error::new(\n                    io::ErrorKind::UnexpectedEof,\n                    \"server closed connection\",\n                )));\n            }\n            ClientLoopEvent::Timer => {}\n        }\n    }\n\n    // Clean exit (Ctrl+C). Send Detach before closing.\n    let detach = ClientMessage::Detach;\n    let _ = write_to_server(&mut write_stream, &detach);\n    let _ = io::stdout().flush();\n\n    Ok(())\n}\n\n// ---------------------------------------------------------------------------\n// Server reader thread\n// ---------------------------------------------------------------------------\n\n/// Blocking thread that reads ServerMessages from the server and sends them\n/// to the main event loop.\nfn server_reader_thread(\n    mut stream: LocalStream,\n    event_tx: tokio::sync::mpsc::Sender<ClientLoopEvent>,\n    should_quit: &Arc<AtomicBool>,\n    max_frame_size: usize,\n) {\n    // Ensure the read stream is in blocking mode to avoid WouldBlock errors\n    // from read_exact inside read_message. The stream should already be\n    // blocking after handshake, but we enforce it here as a safety measure.\n    if stream.set_nonblocking(false).is_err() {\n        // If we can't set blocking mode, the stream is likely broken.\n        let _ = event_tx.blocking_send(ClientLoopEvent::ServerDisconnected);\n        return;\n    }\n\n    loop {\n        if should_quit.load(Ordering::Acquire) {\n            break;\n        }\n\n        match protocol::read_message(&mut stream, max_frame_size) {\n            Ok(msg) => {\n                if event_tx\n                    .blocking_send(ClientLoopEvent::ServerMessage(msg))\n                    .is_err()\n                {\n                    break; // Main loop gone.\n                }\n            }\n            Err(protocol::FramingError::UnexpectedEof) => {\n                // Server closed connection.\n                let _ = event_tx.blocking_send(ClientLoopEvent::ServerDisconnected);\n                break;\n            }\n            Err(protocol::FramingError::Io(err)) if err.kind() == io::ErrorKind::WouldBlock => {\n                // Should not happen with blocking mode, but handle gracefully\n                // in case the stream was set nonblocking by another clone.\n                std::thread::sleep(Duration::from_millis(1));\n                continue;\n            }\n            Err(err) => {\n                warn!(err = %err, \"server read error\");\n                let _ = event_tx.blocking_send(ClientLoopEvent::ServerDisconnected);\n                break;\n            }\n        }\n    }\n}\n\n// ---------------------------------------------------------------------------\n// Write helper\n// ---------------------------------------------------------------------------\n\n/// Writes a message to the server stream (blocking).\nfn write_to_server(stream: &mut LocalStream, msg: &ClientMessage) -> io::Result<()> {\n    protocol::write_message(stream, msg).map_err(|e| io::Error::other(e.to_string()))\n}\n\n// ---------------------------------------------------------------------------\n// Notifications\n// ---------------------------------------------------------------------------\n\n#[cfg(unix)]\nfn client_remote_image_paste_key(\n    config: &crate::config::Config,\n) -> Option<(crossterm::event::KeyCode, crossterm::event::KeyModifiers)> {\n    if !is_remote_client_process() {\n        return None;\n    }\n…\n}","startLine":1,"lineNumbers":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,311,312,313,314,315,316,317,318,319,320,321,322,323,324,325,326,327,328,329,330,331,332,333,334,335,336,337,338,339,340,341,342,343,344,345,346,347,348,349,350,351,352,353,354,355,356,357,358,359,360,361,362,363,364,365,366,367,368,369,370,371,372,373,374,375,376,377,378,379,380,null,382,null,384,null,416,null,1270,1271,1272,1273,1274,1275,1276,1277,1278,1279,1280,1281,1282,1283,1284,1285,1286,1287,1288,1289,1290,1291,1292,1293,1294,1295,1296,1297,1298,1299,1300,1301,1302,1303,1304,1305,1306,1307,1308,1309,1310,1311,1312,1313,1314,1315,1316,1317,1318,1319,1320,1321,1322,1323,1324,1325,1326,1327,1328,1329,1330,1331,1332,1333,1334,1335,1336,1337,1338,1339,1340,1341,1342,1343,1344,1345,1346,1347,1348,1349,1350,1351,1352,1353,1354,1355,1356,1357,1358,1359,1360,1361,1362,1363,1364,1365,1366,1367,1368,1369,1370,1371,1372,1373,1374,1375,1376,1377,1378,1379,1380,1381,1382,1383,1384,1385,1386,1387,1388,1389,1390,1391,1392,1393,1394,1395,1396,1397,1398,1399,1400,1401,1402,1403,1404,1405,1406,1407,1408,1409,1410,1411,1412,1413,1414,1415,1416,1417,1418,1419,1420,1421,1422,1423,1424,1425,1426,1427,1428,1429,1430,1431,1432,1433,1434,1435,1436,1437,1438,1439,1440,1441,1442,1443,1444,1445,1446,1447,1448,1449,1450,1451,null,1455,null,1475,null,1508,null,1533,null,1540,1541,1542,1543,1544,1545,1546,1547,1548,1549,1550,1551,1552,1553,1554,1555,1556,1557,1558,1559,1560,1561,1562,1563,1564,1565,1566,1567,1568,1569,1570,1571,1572,1573,1574,1575,1576,1577,1578,1579,1580,1581,1582,1583,1584,1585,1586,1587,1588,1589,1590,1591,1592,1593,1594,1595,1596,1597,1598,1599,1600,1601,1602,1603,1604,1605,1606,1607,1608,1609,1610,1611,1612,1613,1614,1615,1616,1617,1618,1619,1620,1621,1622,1623,1624,1625,1626,1627,1628,1629,1630,1631,1632,1633,1634,1635,1636,1637,1638,1639,1640,1641,1642,1643,1644,1645,1646,1647,1648,1649,1650,1651,1652,1653,1654,1655,1656,1657,1658,1659,1660,1661,1662,1663,1664,1665,1666,1667,1668,1669,1670,1671,1672,1673,1674,1675,1676,1677,1678,1679,1680,1681,1682,1683,1684,1685,1686,1687,1688,1689,1690,1691,null,1700]},"meta":{"source":{"type":"path","value":"C:/Windows/Temp/librarian-herdr/src/client/mod.rs"}}},"isError":false,"timestamp":1784365517094}}
{"type":"message","id":"707cc0a7","parentId":"c98a2a9d","timestamp":"2026-07-18T09:05:17.100Z","message":{"role":"toolResult","toolCallId":"call_FkLikGPjoV7iciChFLJXSyEV|fc_0784f445f025ad6b016a5b41ccfe88819aa7c29947f51f0e78","toolName":"read","content":[{"type":"text","text":"//! Virtual rendering helpers for headless client frame streaming.\n\nuse ratatui::backend::{Backend, ClearType, TestBackend, WindowSize};\nuse ratatui::layout::{Position, Rect, Size};\n\nuse crate::app::state::AppState;\nuse crate::app::Mode;\nuse crate::protocol::render_ansi::{BlitEncoder, EncodedBlit};\nuse crate::protocol::{CursorState, FrameData, RenderEncoding, ServerMessage, TerminalFrame};\nuse crate::terminal::TerminalRuntimeRegistry;\n\n/// Per-client render baseline for the negotiated render encoding.\npub(crate) enum ClientRenderState {\n    /// Semantic clients compare full frame data and skip identical frames.\n    Semantic { last_frame: Option<FrameData> },\n    /// Terminal-ANSI clients keep a terminal diff encoder and sequence number.\n    TerminalAnsi { blit_encoder: BlitEncoder, seq: u64 },\n}\n\nimpl ClientRenderState {\n    pub(crate) fn new(render_encoding: RenderEncoding) -> Self {\n        match render_encoding {\n            RenderEncoding::SemanticFrame => Self::Semantic { last_frame: None },\n            RenderEncoding::TerminalAnsi => Self::TerminalAnsi {\n                blit_encoder: BlitEncoder::new(),\n                seq: 0,\n            },\n        }\n    }\n\n    pub(crate) fn reset_baseline(&mut self) {\n        match self {\n            Self::Semantic { last_frame } => *last_frame = None,\n            Self::TerminalAnsi { blit_encoder, .. } => *blit_encoder = BlitEncoder::new(),\n        }\n    }\n\n    pub(crate) fn reset_semantic_input_baseline(&mut self) {\n        if let Self::Semantic { last_frame } = self {\n            *last_frame = None;\n        }\n    }\n\n    pub(crate) fn prepare_frame(&mut self, frame: FrameData) -> Option<PreparedRender> {\n        match self {\n            Self::Semantic { last_frame } => {\n                if last_frame.as_ref() == Some(&frame) {\n                    crate::render_prof::event(\"prepare_frame.semantic.skip_current\");\n                    return None;\n                }\n                crate::render_prof::event(\"prepare_frame.semantic.changed\");\n                Some(PreparedRender::Semantic {\n                    message: ServerMessage::Frame(frame),\n                })\n            }\n            Self::TerminalAnsi { blit_encoder, seq } => {\n                if blit_encoder.is_current(&frame) {\n                    crate::render_prof::event(\"prepare_frame.ansi.skip_current\");\n                    return None;\n                }\n                let mut encoded = blit_encoder.encode(&frame, false);\n                crate::render_prof::event(\"prepare_frame.ansi.changed\");\n                crate::render_prof::counter(\"prepare_frame.ansi.bytes\", encoded.bytes.len() as u64);\n                if encoded.full {\n                    crate::render_prof::event(\"prepare_frame.ansi.full\");\n                } else {\n                    crate::render_prof::event(\"prepare_frame.ansi.partial\");\n                }\n                insert_graphics_before_sync_end(&mut encoded.bytes, &frame.graphics);\n                crate::render_prof::counter(\n                    \"prepare_frame.graphics.bytes\",\n                    frame.graphics.len() as u64,\n                );\n                Some(PreparedRender::TerminalAnsi {\n                    message: ServerMessage::Terminal(TerminalFrame {\n                        seq: *seq + 1,\n                        width: frame.width,\n                        height: frame.height,\n                        full: encoded.full,\n                        bytes: encoded.bytes.clone(),\n                    }),\n                    frame,\n                    encoded: Some(encoded),\n                })\n            }\n        }\n    }\n\n    pub(crate) fn last_frame(&self) -> Option<&FrameData> {\n        match self {\n            Self::Semantic { last_frame } => last_frame.as_ref(),\n            Self::TerminalAnsi { blit_encoder, .. } => blit_encoder.last_frame(),\n        }\n    }\n\n    pub(crate) fn commit_sent_frame(&mut self, prepared: PreparedRender) {\n        match (self, prepared) {\n            (\n                Self::Semantic { last_frame },\n                PreparedRender::Semantic {\n                    message: ServerMessage::Frame(frame),\n                },\n            ) => *last_frame = Some(frame),\n            (\n                Self::TerminalAnsi { blit_encoder, seq },\n                PreparedRender::TerminalAnsi {\n                    frame,\n                    encoded: Some(encoded),\n                    ..\n                },\n            ) => {\n                blit_encoder.commit(frame, encoded);\n                *seq += 1;\n            }\n            _ => {}\n        }\n    }\n\n    #[cfg(test)]\n    pub(crate) fn terminal_seq(&self) -> Option<u64> {\n        match self {\n            Self::Semantic { .. } => None,\n            Self::TerminalAnsi { seq, .. } => Some(*seq),\n        }\n    }\n}\n\nconst SYNC_OUTPUT_END: &[u8] = b\"\\x1b[?2026l\";\n\nfn insert_graphics_before_sync_end(encoded: &mut Vec<u8>, graphics: &[u8]) {\n    if graphics.is_empty() {\n        return;\n    }\n\n    if let Some(sync_end) = rfind_subslice(encoded, SYNC_OUTPUT_END) {\n        encoded.splice(sync_end..sync_end, graphics.iter().copied());\n    } else {\n        encoded.extend_from_slice(graphics);\n    }\n}\n\nfn rfind_subslice(haystack: &[u8], needle: &[u8]) -> Option<usize> {\n    if needle.is_empty() || needle.len() > haystack.len() {\n        return None;\n    }\n\n    haystack\n        .windows(needle.len())\n        .rposition(|window| window == needle)\n}\n…\nimpl PreparedRender {\n…\n}\n\nstruct CursorTrackingBackend {\n    inner: TestBackend,\n    rendered_cursor: Option<Position>,\n}\n\nimpl CursorTrackingBackend {\n    fn new(width: u16, height: u16) -> Self {\n        Self {\n            inner: TestBackend::new(width, height),\n            rendered_cursor: None,\n        }\n    }\n\n    fn buffer(&self) -> &ratatui::buffer::Buffer {\n        self.inner.buffer()\n    }\n\n    fn rendered_cursor(&self) -> Option<CursorState> {\n        self.rendered_cursor.map(|pos| CursorState {\n            x: pos.x,\n            y: pos.y,\n            visible: true,\n            shape: 0,\n        })\n    }\n}\n\nimpl Backend for CursorTrackingBackend {\n    type Error = std::convert::Infallible;\n\n    fn draw<'a, I>(&mut self, content: I) -> Result<(), Self::Error>\n    where\n        I: Iterator<Item = (u16, u16, &'a ratatui::buffer::Cell)>,\n    {\n        self.inner.draw(content)\n    }\n\n    fn append_lines(&mut self, n: u16) -> Result<(), Self::Error> {\n        self.inner.append_lines(n)\n    }\n\n    fn hide_cursor(&mut self) -> Result<(), Self::Error> {\n        self.inner.hide_cursor()?;\n        self.rendered_cursor = None;\n        Ok(())\n    }\n\n    fn show_cursor(&mut self) -> Result<(), Self::Error> {\n        self.inner.show_cursor()\n    }\n\n    fn get_cursor_position(&mut self) -> Result<Position, Self::Error> {\n        self.inner.get_cursor_position()\n    }\n\n    fn set_cursor_position<P: Into<Position>>(&mut self, position: P) -> Result<(), Self::Error> {\n        let position = position.into();\n        self.inner.set_cursor_position(position)?;\n        self.rendered_cursor = Some(position);\n        Ok(())\n    }\n\n    fn clear(&mut self) -> Result<(), Self::Error> {\n        self.inner.clear()\n    }\n\n    fn clear_region(&mut self, clear_type: ClearType) -> Result<(), Self::Error> {\n        self.inner.clear_region(clear_type)\n    }\n\n    fn size(&self) -> Result<Size, Self::Error> {\n        self.inner.size()\n    }\n\n    fn window_size(&mut self) -> Result<WindowSize, Self::Error> {\n        self.inner.window_size()\n    }\n\n    fn flush(&mut self) -> Result<(), Self::Error> {\n        self.inner.flush()\n    }\n}\n\n/// Renders the AppState to an in-memory ratatui Buffer.\n///\n/// This produces the same output as the monolithic binary's terminal draw,\n/// but writes to a `Buffer` instead of stdout. Cursor visibility is captured\n/// from explicit frame cursor intent rather than incidental backend state.\n#[cfg_attr(not(test), allow(dead_code))]"}],"details":{"displayContent":{"text":"//! Virtual rendering helpers for headless client frame streaming.\n\nuse ratatui::backend::{Backend, ClearType, TestBackend, WindowSize};\nuse ratatui::layout::{Position, Rect, Size};\n\nuse crate::app::state::AppState;\nuse crate::app::Mode;\nuse crate::protocol::render_ansi::{BlitEncoder, EncodedBlit};\nuse crate::protocol::{CursorState, FrameData, RenderEncoding, ServerMessage, TerminalFrame};\nuse crate::terminal::TerminalRuntimeRegistry;\n\n/// Per-client render baseline for the negotiated render encoding.\npub(crate) enum ClientRenderState {\n    /// Semantic clients compare full frame data and skip identical frames.\n    Semantic { last_frame: Option<FrameData> },\n    /// Terminal-ANSI clients keep a terminal diff encoder and sequence number.\n    TerminalAnsi { blit_encoder: BlitEncoder, seq: u64 },\n}\n\nimpl ClientRenderState {\n    pub(crate) fn new(render_encoding: RenderEncoding) -> Self {\n        match render_encoding {\n            RenderEncoding::SemanticFrame => Self::Semantic { last_frame: None },\n            RenderEncoding::TerminalAnsi => Self::TerminalAnsi {\n                blit_encoder: BlitEncoder::new(),\n                seq: 0,\n            },\n        }\n    }\n\n    pub(crate) fn reset_baseline(&mut self) {\n        match self {\n            Self::Semantic { last_frame } => *last_frame = None,\n            Self::TerminalAnsi { blit_encoder, .. } => *blit_encoder = BlitEncoder::new(),\n        }\n    }\n\n    pub(crate) fn reset_semantic_input_baseline(&mut self) {\n        if let Self::Semantic { last_frame } = self {\n            *last_frame = None;\n        }\n    }\n\n    pub(crate) fn prepare_frame(&mut self, frame: FrameData) -> Option<PreparedRender> {\n        match self {\n            Self::Semantic { last_frame } => {\n                if last_frame.as_ref() == Some(&frame) {\n                    crate::render_prof::event(\"prepare_frame.semantic.skip_current\");\n                    return None;\n                }\n                crate::render_prof::event(\"prepare_frame.semantic.changed\");\n                Some(PreparedRender::Semantic {\n                    message: ServerMessage::Frame(frame),\n                })\n            }\n            Self::TerminalAnsi { blit_encoder, seq } => {\n                if blit_encoder.is_current(&frame) {\n                    crate::render_prof::event(\"prepare_frame.ansi.skip_current\");\n                    return None;\n                }\n                let mut encoded = blit_encoder.encode(&frame, false);\n                crate::render_prof::event(\"prepare_frame.ansi.changed\");\n                crate::render_prof::counter(\"prepare_frame.ansi.bytes\", encoded.bytes.len() as u64);\n                if encoded.full {\n                    crate::render_prof::event(\"prepare_frame.ansi.full\");\n                } else {\n                    crate::render_prof::event(\"prepare_frame.ansi.partial\");\n                }\n                insert_graphics_before_sync_end(&mut encoded.bytes, &frame.graphics);\n                crate::render_prof::counter(\n                    \"prepare_frame.graphics.bytes\",\n                    frame.graphics.len() as u64,\n                );\n                Some(PreparedRender::TerminalAnsi {\n                    message: ServerMessage::Terminal(TerminalFrame {\n                        seq: *seq + 1,\n                        width: frame.width,\n                        height: frame.height,\n                        full: encoded.full,\n                        bytes: encoded.bytes.clone(),\n                    }),\n                    frame,\n                    encoded: Some(encoded),\n                })\n            }\n        }\n    }\n\n    pub(crate) fn last_frame(&self) -> Option<&FrameData> {\n        match self {\n            Self::Semantic { last_frame } => last_frame.as_ref(),\n            Self::TerminalAnsi { blit_encoder, .. } => blit_encoder.last_frame(),\n        }\n    }\n\n    pub(crate) fn commit_sent_frame(&mut self, prepared: PreparedRender) {\n        match (self, prepared) {\n            (\n                Self::Semantic { last_frame },\n                PreparedRender::Semantic {\n                    message: ServerMessage::Frame(frame),\n                },\n            ) => *last_frame = Some(frame),\n            (\n                Self::TerminalAnsi { blit_encoder, seq },\n                PreparedRender::TerminalAnsi {\n                    frame,\n                    encoded: Some(encoded),\n                    ..\n                },\n            ) => {\n                blit_encoder.commit(frame, encoded);\n                *seq += 1;\n            }\n            _ => {}\n        }\n    }\n\n    #[cfg(test)]\n    pub(crate) fn terminal_seq(&self) -> Option<u64> {\n        match self {\n            Self::Semantic { .. } => None,\n            Self::TerminalAnsi { seq, .. } => Some(*seq),\n        }\n    }\n}\n\nconst SYNC_OUTPUT_END: &[u8] = b\"\\x1b[?2026l\";\n\nfn insert_graphics_before_sync_end(encoded: &mut Vec<u8>, graphics: &[u8]) {\n    if graphics.is_empty() {\n        return;\n    }\n\n    if let Some(sync_end) = rfind_subslice(encoded, SYNC_OUTPUT_END) {\n        encoded.splice(sync_end..sync_end, graphics.iter().copied());\n    } else {\n        encoded.extend_from_slice(graphics);\n    }\n}\n\nfn rfind_subslice(haystack: &[u8], needle: &[u8]) -> Option<usize> {\n    if needle.is_empty() || needle.len() > haystack.len() {\n        return None;\n    }\n\n    haystack\n        .windows(needle.len())\n        .rposition(|window| window == needle)\n}\n…\nimpl PreparedRender {\n…\n}\n\nstruct CursorTrackingBackend {\n    inner: TestBackend,\n    rendered_cursor: Option<Position>,\n}\n\nimpl CursorTrackingBackend {\n    fn new(width: u16, height: u16) -> Self {\n        Self {\n            inner: TestBackend::new(width, height),\n            rendered_cursor: None,\n        }\n    }\n\n    fn buffer(&self) -> &ratatui::buffer::Buffer {\n        self.inner.buffer()\n    }\n\n    fn rendered_cursor(&self) -> Option<CursorState> {\n        self.rendered_cursor.map(|pos| CursorState {\n            x: pos.x,\n            y: pos.y,\n            visible: true,\n            shape: 0,\n        })\n    }\n}\n\nimpl Backend for CursorTrackingBackend {\n    type Error = std::convert::Infallible;\n\n    fn draw<'a, I>(&mut self, content: I) -> Result<(), Self::Error>\n    where\n        I: Iterator<Item = (u16, u16, &'a ratatui::buffer::Cell)>,\n    {\n        self.inner.draw(content)\n    }\n\n    fn append_lines(&mut self, n: u16) -> Result<(), Self::Error> {\n        self.inner.append_lines(n)\n    }\n\n    fn hide_cursor(&mut self) -> Result<(), Self::Error> {\n        self.inner.hide_cursor()?;\n        self.rendered_cursor = None;\n        Ok(())\n    }\n\n    fn show_cursor(&mut self) -> Result<(), Self::Error> {\n        self.inner.show_cursor()\n    }\n\n    fn get_cursor_position(&mut self) -> Result<Position, Self::Error> {\n        self.inner.get_cursor_position()\n    }\n\n    fn set_cursor_position<P: Into<Position>>(&mut self, position: P) -> Result<(), Self::Error> {\n        let position = position.into();\n        self.inner.set_cursor_position(position)?;\n        self.rendered_cursor = Some(position);\n        Ok(())\n    }\n\n    fn clear(&mut self) -> Result<(), Self::Error> {\n        self.inner.clear()\n    }\n\n    fn clear_region(&mut self, clear_type: ClearType) -> Result<(), Self::Error> {\n        self.inner.clear_region(clear_type)\n    }\n\n    fn size(&self) -> Result<Size, Self::Error> {\n        self.inner.size()\n    }\n\n    fn window_size(&mut self) -> Result<WindowSize, Self::Error> {\n        self.inner.window_size()\n    }\n\n    fn flush(&mut self) -> Result<(), Self::Error> {\n        self.inner.flush()\n    }\n}\n\n/// Renders the AppState to an in-memory ratatui Buffer.\n///\n/// This produces the same output as the monolithic binary's terminal draw,\n/// but writes to a `Buffer` instead of stdout. Cursor visibility is captured\n/// from explicit frame cursor intent rather than incidental backend state.\n#[cfg_attr(not(test), allow(dead_code))]","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,null,164,null,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270]},"meta":{"source":{"type":"path","value":"C:/Windows/Temp/librarian-herdr/src/server/render_stream.rs"}}},"isError":false,"timestamp":1784365517100}}
{"type":"message","id":"b8558cb1","parentId":"707cc0a7","timestamp":"2026-07-18T09:05:17.100Z","message":{"role":"toolResult","toolCallId":"call_iORReWr3vTAS1aQiIgz1z1Au|fc_0784f445f025ad6b016a5b41ccfe78819a90d8f16fc0ac401a","toolName":"read","content":[{"type":"text","text":"use std::io::{self, Write};\n\n#[cfg(any(not(windows), test))]\nconst DISABLE_HOST_MOUSE_REPORTING_SEQUENCE: &[u8] =\n    b\"\\x1b[?1006l\\x1b[?1016l\\x1b[?1015l\\x1b[?1005l\\x1b[?1003l\\x1b[?1002l\\x1b[?1000l\";\n\n#[cfg(not(windows))]\npub(crate) fn clear_host_mouse_reporting<W: Write>(writer: &mut W) -> io::Result<()> {\n    writer.write_all(DISABLE_HOST_MOUSE_REPORTING_SEQUENCE)?;\n    writer.flush()\n}\n\n#[cfg(windows)]\npub(crate) fn clear_host_mouse_reporting<W: Write>(_writer: &mut W) -> io::Result<()> {\n    Ok(())\n}\n\n#[cfg(test)]\nmod tests {\n    use super::*;\n\n    #[test]\n    fn clears_all_known_host_mouse_modes() {\n        let sequence = std::str::from_utf8(DISABLE_HOST_MOUSE_REPORTING_SEQUENCE).unwrap();\n\n        for mode in [\"1000\", \"1002\", \"1003\", \"1005\", \"1006\", \"1015\", \"1016\"] {\n            assert!(\n                sequence.contains(&format!(\"\\x1b[?{mode}l\")),\n                \"missing mouse mode {mode}\"\n            );\n        }\n    }\n}\n"}],"details":{"displayContent":{"text":"use std::io::{self, Write};\r\n\r\n#[cfg(any(not(windows), test))]\r\nconst DISABLE_HOST_MOUSE_REPORTING_SEQUENCE: &[u8] =\r\n    b\"\\x1b[?1006l\\x1b[?1016l\\x1b[?1015l\\x1b[?1005l\\x1b[?1003l\\x1b[?1002l\\x1b[?1000l\";\r\n\r\n#[cfg(not(windows))]\r\npub(crate) fn clear_host_mouse_reporting<W: Write>(writer: &mut W) -> io::Result<()> {\r\n    writer.write_all(DISABLE_HOST_MOUSE_REPORTING_SEQUENCE)?;\r\n    writer.flush()\r\n}\r\n\r\n#[cfg(windows)]\r\npub(crate) fn clear_host_mouse_reporting<W: Write>(_writer: &mut W) -> io::Result<()> {\r\n    Ok(())\r\n}\r\n\r\n#[cfg(test)]\r\nmod tests {\r\n    use super::*;\r\n\r\n    #[test]\r\n    fn clears_all_known_host_mouse_modes() {\r\n        let sequence = std::str::from_utf8(DISABLE_HOST_MOUSE_REPORTING_SEQUENCE).unwrap();\r\n\r\n        for mode in [\"1000\", \"1002\", \"1003\", \"1005\", \"1006\", \"1015\", \"1016\"] {\r\n            assert!(\r\n                sequence.contains(&format!(\"\\x1b[?{mode}l\")),\r\n                \"missing mouse mode {mode}\"\r\n            );\r\n        }\r\n    }\r\n}\r\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]},"meta":{"source":{"type":"path","value":"C:/Windows/Temp/librarian-herdr/src/terminal_modes.rs"}}},"isError":false,"timestamp":1784365517100}}
{"type":"message","id":"cafef0de","parentId":"b8558cb1","timestamp":"2026-07-18T09:05:17.106Z","message":{"role":"toolResult","toolCallId":"call_bFnDrJekdSQkOLqel0wbfujA|fc_0784f445f025ad6b016a5b41ccfe98819a9ac173f993cb1cd2","toolName":"read","content":[{"type":"text","text":"fn client_read_loop(\n…\n    server_event_tx: &mpsc::Sender<ServerEvent>,\n    should_quit: &Arc<AtomicBool>,\n) -> io::Result<()> {\n    while !should_quit.load(Ordering::Acquire) {\n        let msg: ClientMessage = match protocol::read_message(&mut stream, MAX_GRAPHICS_FRAME_SIZE)\n        {\n            Ok(msg) => msg,\n            Err(protocol::FramingError::UnexpectedEof) => {\n                // Client disconnected.\n                let _ =\n                    server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\n                break;\n            }\n            Err(protocol::FramingError::Oversized { claimed, max }) => {\n                warn!(\n                    client_id,\n                    claimed, max, \"oversized message from client, closing\"\n                );\n                let _ =\n                    server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\n                break;\n            }\n            Err(err) => {\n                debug!(client_id, err = %err, \"client read error, closing\");\n                let _ =\n                    server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\n                break;\n            }\n        };\n\n        let event = match msg {\n            ClientMessage::Input { data } => {\n                // Validate input size.\n                if data.len() > MAX_INPUT_PAYLOAD {\n                    warn!(\n                        client_id,\n                        size = data.len(),\n                        \"oversized input from client, closing\"\n                    );\n                    let _ = server_event_tx\n                        .blocking_send(ServerEvent::ClientDisconnected { client_id });\n                    break;\n                } else {\n                    ServerEvent::ClientInput { client_id, data }\n                }\n            }\n            ClientMessage::InputEvents { events } => {\n                if !input_events_within_limits(&events) {\n                    warn!(\n                        client_id,\n                        count = events.len(),\n                        \"oversized input events from client, closing\"\n                    );\n                    let _ = server_event_tx\n                        .blocking_send(ServerEvent::ClientDisconnected { client_id });\n                    break;\n                } else {\n                    ServerEvent::ClientInputEvents { client_id, events }\n                }\n            }\n            ClientMessage::ObserveTerminal { target } => {\n                ServerEvent::ClientObserveTerminal { client_id, target }\n            }\n            ClientMessage::ControlTerminal { target, takeover } => {\n                ServerEvent::ClientControlTerminal {\n                    client_id,\n                    target,\n                    takeover,\n                }\n            }\n            ClientMessage::ClipboardImage { extension, data } => {\n                if data.len() > MAX_CLIPBOARD_IMAGE_PAYLOAD {\n                    warn!(\n                        client_id,\n                        size = data.len(),\n                        \"oversized clipboard image from client, closing\"\n                    );\n                    let _ = server_event_tx\n                        .blocking_send(ServerEvent::ClientDisconnected { client_id });\n                    break;\n                } else {\n                    ServerEvent::ClientClipboardImage {\n                        client_id,\n                        extension,\n                        data,\n                    }\n                }\n            }\n            ClientMessage::Resize {\n                cols,\n                rows,\n                cell_width_px,\n                cell_height_px,\n            } => {\n                let (clamped_cols, clamped_rows) = clamp_terminal_size(cols, rows);\n                ServerEvent::ClientResize {\n                    client_id,\n                    cols: clamped_cols,\n                    rows: clamped_rows,\n                    cell_width_px,\n                    cell_height_px,\n                }\n            }\n            ClientMessage::Detach => ServerEvent::ClientDetach { client_id },\n            ClientMessage::AttachTerminal {\n                terminal_id,\n                takeover,\n            } => ServerEvent::ClientAttachTerminal {\n                client_id,\n                terminal_id,\n                takeover,\n            },\n            ClientMessage::AttachScroll {\n                source,\n                direction,\n…\n            } => ServerEvent::ClientAttachScroll {\n…\n            },\n…\n        };\n…\n    }\n…\n}\n\n[Showing lines 619-733 of 1344. Use :734 to continue]"}],"details":{"truncation":{"content":"    server_event_tx: &mpsc::Sender<ServerEvent>,\r\n    should_quit: &Arc<AtomicBool>,\r\n) -> io::Result<()> {\r\n    while !should_quit.load(Ordering::Acquire) {\r\n        let msg: ClientMessage = match protocol::read_message(&mut stream, MAX_GRAPHICS_FRAME_SIZE)\r\n        {\r\n            Ok(msg) => msg,\r\n            Err(protocol::FramingError::UnexpectedEof) => {\r\n                // Client disconnected.\r\n                let _ =\r\n                    server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\r\n                break;\r\n            }\r\n            Err(protocol::FramingError::Oversized { claimed, max }) => {\r\n                warn!(\r\n                    client_id,\r\n                    claimed, max, \"oversized message from client, closing\"\r\n                );\r\n                let _ =\r\n                    server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\r\n                break;\r\n            }\r\n            Err(err) => {\r\n                debug!(client_id, err = %err, \"client read error, closing\");\r\n                let _ =\r\n                    server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\r\n                break;\r\n            }\r\n        };\r\n\r\n        let event = match msg {\r\n            ClientMessage::Input { data } => {\r\n                // Validate input size.\r\n                if data.len() > MAX_INPUT_PAYLOAD {\r\n                    warn!(\r\n                        client_id,\r\n                        size = data.len(),\r\n                        \"oversized input from client, closing\"\r\n                    );\r\n                    let _ = server_event_tx\r\n                        .blocking_send(ServerEvent::ClientDisconnected { client_id });\r\n                    break;\r\n                } else {\r\n                    ServerEvent::ClientInput { client_id, data }\r\n                }\r\n            }\r\n            ClientMessage::InputEvents { events } => {\r\n                if !input_events_within_limits(&events) {\r\n                    warn!(\r\n                        client_id,\r\n                        count = events.len(),\r\n                        \"oversized input events from client, closing\"\r\n                    );\r\n                    let _ = server_event_tx\r\n                        .blocking_send(ServerEvent::ClientDisconnected { client_id });\r\n                    break;\r\n                } else {\r\n                    ServerEvent::ClientInputEvents { client_id, events }\r\n                }\r\n            }\r\n            ClientMessage::ObserveTerminal { target } => {\r\n                ServerEvent::ClientObserveTerminal { client_id, target }\r\n            }\r\n            ClientMessage::ControlTerminal { target, takeover } => {\r\n                ServerEvent::ClientControlTerminal {\r\n                    client_id,\r\n                    target,\r\n                    takeover,\r\n                }\r\n            }\r\n            ClientMessage::ClipboardImage { extension, data } => {\r\n                if data.len() > MAX_CLIPBOARD_IMAGE_PAYLOAD {\r\n                    warn!(\r\n                        client_id,\r\n                        size = data.len(),\r\n                        \"oversized clipboard image from client, closing\"\r\n                    );\r\n                    let _ = server_event_tx\r\n                        .blocking_send(ServerEvent::ClientDisconnected { client_id });\r\n                    break;\r\n                } else {\r\n                    ServerEvent::ClientClipboardImage {\r\n                        client_id,\r\n                        extension,\r\n                        data,\r\n                    }\r\n                }\r\n            }\r\n            ClientMessage::Resize {\r\n                cols,\r\n                rows,\r\n                cell_width_px,\r\n                cell_height_px,\r\n            } => {\r\n                let (clamped_cols, clamped_rows) = clamp_terminal_size(cols, rows);\r\n                ServerEvent::ClientResize {\r\n                    client_id,\r\n                    cols: clamped_cols,\r\n                    rows: clamped_rows,\r\n                    cell_width_px,\r\n                    cell_height_px,\r\n                }\r\n            }\r\n            ClientMessage::Detach => ServerEvent::ClientDetach { client_id },\r\n            ClientMessage::AttachTerminal {\r\n                terminal_id,\r\n                takeover,\r\n            } => ServerEvent::ClientAttachTerminal {\r\n                client_id,\r\n                terminal_id,\r\n                takeover,\r\n            },\r\n            ClientMessage::AttachScroll {\r\n                source,\r\n                direction,\r","truncated":true,"truncatedBy":"lines","totalLines":726,"totalBytes":4600,"outputLines":115,"outputBytes":4600,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"fn client_read_loop(\n…\n    server_event_tx: &mpsc::Sender<ServerEvent>,\r\n    should_quit: &Arc<AtomicBool>,\r\n) -> io::Result<()> {\r\n    while !should_quit.load(Ordering::Acquire) {\r\n        let msg: ClientMessage = match protocol::read_message(&mut stream, MAX_GRAPHICS_FRAME_SIZE)\r\n        {\r\n            Ok(msg) => msg,\r\n            Err(protocol::FramingError::UnexpectedEof) => {\r\n                // Client disconnected.\r\n                let _ =\r\n                    server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\r\n                break;\r\n            }\r\n            Err(protocol::FramingError::Oversized { claimed, max }) => {\r\n                warn!(\r\n                    client_id,\r\n                    claimed, max, \"oversized message from client, closing\"\r\n                );\r\n                let _ =\r\n                    server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\r\n                break;\r\n            }\r\n            Err(err) => {\r\n                debug!(client_id, err = %err, \"client read error, closing\");\r\n                let _ =\r\n                    server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\r\n                break;\r\n            }\r\n        };\r\n\r\n        let event = match msg {\r\n            ClientMessage::Input { data } => {\r\n                // Validate input size.\r\n                if data.len() > MAX_INPUT_PAYLOAD {\r\n                    warn!(\r\n                        client_id,\r\n                        size = data.len(),\r\n                        \"oversized input from client, closing\"\r\n                    );\r\n                    let _ = server_event_tx\r\n                        .blocking_send(ServerEvent::ClientDisconnected { client_id });\r\n                    break;\r\n                } else {\r\n                    ServerEvent::ClientInput { client_id, data }\r\n                }\r\n            }\r\n            ClientMessage::InputEvents { events } => {\r\n                if !input_events_within_limits(&events) {\r\n                    warn!(\r\n                        client_id,\r\n                        count = events.len(),\r\n                        \"oversized input events from client, closing\"\r\n                    );\r\n                    let _ = server_event_tx\r\n                        .blocking_send(ServerEvent::ClientDisconnected { client_id });\r\n                    break;\r\n                } else {\r\n                    ServerEvent::ClientInputEvents { client_id, events }\r\n                }\r\n            }\r\n            ClientMessage::ObserveTerminal { target } => {\r\n                ServerEvent::ClientObserveTerminal { client_id, target }\r\n            }\r\n            ClientMessage::ControlTerminal { target, takeover } => {\r\n                ServerEvent::ClientControlTerminal {\r\n                    client_id,\r\n                    target,\r\n                    takeover,\r\n                }\r\n            }\r\n            ClientMessage::ClipboardImage { extension, data } => {\r\n                if data.len() > MAX_CLIPBOARD_IMAGE_PAYLOAD {\r\n                    warn!(\r\n                        client_id,\r\n                        size = data.len(),\r\n                        \"oversized clipboard image from client, closing\"\r\n                    );\r\n                    let _ = server_event_tx\r\n                        .blocking_send(ServerEvent::ClientDisconnected { client_id });\r\n                    break;\r\n                } else {\r\n                    ServerEvent::ClientClipboardImage {\r\n                        client_id,\r\n                        extension,\r\n                        data,\r\n                    }\r\n                }\r\n            }\r\n            ClientMessage::Resize {\r\n                cols,\r\n                rows,\r\n                cell_width_px,\r\n                cell_height_px,\r\n            } => {\r\n                let (clamped_cols, clamped_rows) = clamp_terminal_size(cols, rows);\r\n                ServerEvent::ClientResize {\r\n                    client_id,\r\n                    cols: clamped_cols,\r\n                    rows: clamped_rows,\r\n                    cell_width_px,\r\n                    cell_height_px,\r\n                }\r\n            }\r\n            ClientMessage::Detach => ServerEvent::ClientDetach { client_id },\r\n            ClientMessage::AttachTerminal {\r\n                terminal_id,\r\n                takeover,\r\n            } => ServerEvent::ClientAttachTerminal {\r\n                client_id,\r\n                terminal_id,\r\n                takeover,\r\n            },\r\n            ClientMessage::AttachScroll {\r\n                source,\r\n                direction,\r\n…\n            } => ServerEvent::ClientAttachScroll {\n…\n            },\n…\n        };\n…\n    }\n…\n}","startLine":616,"lineNumbers":[616,null,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,null,738,null,746,null,751,null,756,null,760]},"meta":{"source":{"type":"path","value":"C:/Windows/Temp/librarian-herdr/src/server/client_transport.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":1344,"totalBytes":4600,"outputLines":115,"outputBytes":4600,"shownRange":{"start":619,"end":733},"nextOffset":734}}},"isError":false,"timestamp":1784365517106}}
{"type":"message","id":"8f21d5bb","parentId":"cafef0de","timestamp":"2026-07-18T09:05:17.116Z","message":{"role":"toolResult","toolCallId":"call_83PzMwtKscmQrnvsqQOmhLsG|fc_0784f445f025ad6b016a5b41ccfe68819a8f0c391eda9c5185","toolName":"read","content":[{"type":"text","text":"//! Frame blitting — renders FrameData to the terminal using diff-based updates.\n//!\n//! The blitting strategy:\n//! 1. On the first frame, write the entire buffer (full redraw).\n//! 2. On subsequent frames, diff against the last frame and only write\n//!    the cells that changed.\n//! 3. Wrap each frame in synchronized output so terminals that support it do\n//!    not expose intermediate cursor positions while the frame is painted.\n//! 4. Before writing any cells, hide the cursor to avoid stray cursor\n//!    artifacts on terminals that render the hardware cursor at intermediate\n//!    `CUP` positions during the frame stream.\n//! 5. After writing all changed cells, restore the final cursor visibility\n//!    and position from `frame.cursor`.\n//! 6. On platforms that need it, repeat the final cursor anchor after ending\n//!    synchronized output so external IMEs can place candidate windows at the\n//!    real input position. Windows Terminal exposes that repeat as visible\n//!    cursor movement during active TUI repaints, so Windows skips it.\n//!\n//! Escape sequences used:\n//! - `CSI H` (CUP) — move cursor to (row, col)\n//! - `CSI m` (SGR) — set graphic rendition (colors, bold, etc.)\n//! - `CSI ? 2026 h/l` — begin/end synchronized output\n//! - `CSI Ps SP q` — DECSCUSR cursor shape\n//! - `ESC ] 52 ; c ; <base64> BEL` — OSC 52 clipboard write\n//!\n//! The goal is minimal output: skip unchanged cells, batch adjacent changes,\n//! and minimize cursor movement.\n\nuse std::cmp;\nuse std::io::Write;\n\nuse unicode_width::UnicodeWidthStr;\n\nuse crate::protocol::{underline_style_from_modifier, CellData, FrameData};\n\nconst REVERSED_MODIFIER: u16 = 1 << 6;\n\n/// Bytes produced by a [`BlitEncoder`] for one terminal frame.\npub(crate) struct EncodedBlit {\n    /// Terminal escape bytes ready to write to the host terminal.\n    pub(crate) bytes: Vec<u8>,\n    /// Whether this frame was encoded as a full redraw.\n    pub(crate) full: bool,\n    next_last_visible_cursor: Option<(u16, u16)>,\n    next_last_cursor_shape: u8,\n}\n\n/// Stateful encoder that diffs semantic frames into terminal ANSI bytes.\n#[derive(Default)]\npub(crate) struct BlitEncoder {\n    last_frame: Option<FrameData>,\n    last_visible_cursor: Option<(u16, u16)>,\n    last_cursor_shape: u8,\n}\n\nimpl BlitEncoder {\n    pub(crate) fn new() -> Self {\n        Self::default()\n    }\n\n    pub(crate) fn encode(&self, frame: &FrameData, force_full: bool) -> EncodedBlit {\n        self.encode_inner(frame, force_full, false)\n    }\n\n    pub(crate) fn encode_with_suppressed_visible_cursor(\n        &self,\n        frame: &FrameData,\n        force_full: bool,\n    ) -> EncodedBlit {\n        self.encode_inner(frame, force_full, true)\n    }\n\n    fn encode_inner(\n        &self,\n        frame: &FrameData,\n        force_full: bool,\n        suppress_visible_cursor: bool,\n    ) -> EncodedBlit {\n        let prev = if force_full {\n            None\n        } else {\n            self.last_frame.as_ref()\n        };\n        let full = force_full\n            || prev.is_none()\n            || prev.is_some_and(|p| p.width != frame.width || p.height != frame.height);\n        let prof_stats =\n            crate::render_prof::enabled().then(|| compute_prof_blit_stats(frame, prev, full));\n        let prof_started = crate::render_prof::timer();\n        let mut bytes = Vec::new();\n        let mut next_last_visible_cursor = self.last_visible_cursor;\n        let mut next_last_cursor_shape = self.last_cursor_shape;\n        blit_frame_to_with_cursor_memory(\n            &mut bytes,\n            frame,\n            prev,\n            &mut next_last_visible_cursor,\n            &mut next_last_cursor_shape,\n            suppress_visible_cursor,\n        );\n        if let Some(stats) = prof_stats {\n            crate::render_prof::duration_since(\"ansi_encode.total\", prof_started);\n            crate::render_prof::counter(\"ansi_encode.bytes\", bytes.len() as u64);\n            crate::render_prof::counter(\"ansi_encode.scanned_cells\", stats.scanned_cells);\n            crate::render_prof::counter(\"ansi_encode.changed_cells\", stats.changed_cells);\n            crate::render_prof::counter(\"ansi_encode.changed_runs\", stats.changed_runs);\n            if full {\n                crate::render_prof::event(\"ansi_encode.full\");\n            } else {\n                crate::render_prof::event(\"ansi_encode.partial\");\n            }\n        }\n        EncodedBlit {\n            bytes,\n            full,\n            next_last_visible_cursor,\n            next_last_cursor_shape,\n        }\n    }\n\n    pub(crate) fn commit(&mut self, frame: FrameData, encoded: EncodedBlit) {\n        self.last_visible_cursor = encoded.next_last_visible_cursor;\n        self.last_cursor_shape = encoded.next_last_cursor_shape;\n        self.last_frame = Some(frame);\n    }\n\n    pub(crate) fn is_current(&self, frame: &FrameData) -> bool {\n        self.last_frame.as_ref() == Some(frame)\n    }\n\n    pub(crate) fn last_frame(&self) -> Option<&FrameData> {\n        self.last_frame.as_ref()\n    }\n}\n\npub(crate) fn frame_with_drawn_cursor(mut frame: FrameData) -> FrameData {\n    if let Some(cursor) = frame.cursor.as_ref().filter(|cursor| cursor.visible) {\n        let (x, y) = clamp_cursor_position(&frame, cursor.x, cursor.y);\n        let idx = (y as usize)\n            .saturating_mul(frame.width as usize)\n            .saturating_add(x as usize);\n        if let Some(cell) = frame.cells.get_mut(idx) {\n            cell.modifier ^= REVERSED_MODIFIER;\n        }\n    }\n    frame\n}\n\n#[derive(Clone, Copy, Default)]\nstruct ProfBlitStats {\n    scanned_cells: u64,\n    changed_cells: u64,\n    changed_runs: u64,\n}\n\nfn compute_prof_blit_stats(\n    frame: &FrameData,\n    prev: Option<&FrameData>,\n    full: bool,\n) -> ProfBlitStats {\n    let Some(prev) = prev.filter(|_| !full) else {\n        let changed_cells = frame.cells.iter().filter(|cell| !cell.skip).count() as u64;\n        return ProfBlitStats {\n            scanned_cells: frame.cells.len() as u64,\n            changed_cells,\n            changed_runs: changed_cells,\n        };\n    };\n    if prev.width != frame.width || prev.height != frame.height {\n        let changed_cells = frame.cells.iter().filter(|cell| !cell.skip).count() as u64;\n        return ProfBlitStats {\n            scanned_cells: frame.cells.len() as u64,\n            changed_cells,\n            changed_runs: changed_cells,\n        };\n    }\n\n    let sanitized_hyperlinks = sanitized_frame_hyperlinks(frame);\n    let prev_sanitized_hyperlinks = sanitized_frame_hyperlinks(prev);\n    let mut stats = ProfBlitStats {\n        scanned_cells: frame.cells.len() as u64,\n        changed_cells: 0,\n        changed_runs: 0,\n    };\n    for row in 0..frame.height {\n        let mut in_run = false;\n        let mut invalidated = 0usize;\n        let mut to_skip = 0usize;\n        for col in 0..frame.width {\n            let idx = (row as usize) * (frame.width as usize) + (col as usize);\n            let cell = &frame.cells[idx];\n            let prev_cell = &prev.cells[idx];\n            let changed = !cell.skip\n                && (!cells_visually_equal(\n                    &sanitized_hyperlinks,\n                    cell,\n                    &prev_sanitized_hyperlinks,\n                    prev_cell,\n                ) || invalidated > 0)\n                && to_skip == 0;\n            if changed {\n                stats.changed_cells += 1;\n                if !in_run {\n                    stats.changed_runs += 1;\n                    in_run = true;\n                }\n            } else {\n                in_run = false;\n            }\n            to_skip = cell_width(cell).saturating_sub(1);\n            let affected_width = cmp::max(cell_width(cell), cell_width(prev_cell));\n            invalidated = cmp::max(affected_width, invalidated).saturating_sub(1);\n        }\n    }\n    stats\n}\n\n// ---------------------------------------------------------------------------\n// Color → escape sequence\n// ---------------------------------------------------------------------------\n\n/// Converts a packed u32 color to an SGR escape sequence fragment.\n///\n\n[Showing lines 1-223 of 1857. Use :224 to continue]"}],"details":{"truncation":{"content":"//! Frame blitting — renders FrameData to the terminal using diff-based updates.\r\n//!\r\n//! The blitting strategy:\r\n//! 1. On the first frame, write the entire buffer (full redraw).\r\n//! 2. On subsequent frames, diff against the last frame and only write\r\n//!    the cells that changed.\r\n//! 3. Wrap each frame in synchronized output so terminals that support it do\r\n//!    not expose intermediate cursor positions while the frame is painted.\r\n//! 4. Before writing any cells, hide the cursor to avoid stray cursor\r\n//!    artifacts on terminals that render the hardware cursor at intermediate\r\n//!    `CUP` positions during the frame stream.\r\n//! 5. After writing all changed cells, restore the final cursor visibility\r\n//!    and position from `frame.cursor`.\r\n//! 6. On platforms that need it, repeat the final cursor anchor after ending\r\n//!    synchronized output so external IMEs can place candidate windows at the\r\n//!    real input position. Windows Terminal exposes that repeat as visible\r\n//!    cursor movement during active TUI repaints, so Windows skips it.\r\n//!\r\n//! Escape sequences used:\r\n//! - `CSI H` (CUP) — move cursor to (row, col)\r\n//! - `CSI m` (SGR) — set graphic rendition (colors, bold, etc.)\r\n//! - `CSI ? 2026 h/l` — begin/end synchronized output\r\n//! - `CSI Ps SP q` — DECSCUSR cursor shape\r\n//! - `ESC ] 52 ; c ; <base64> BEL` — OSC 52 clipboard write\r\n//!\r\n//! The goal is minimal output: skip unchanged cells, batch adjacent changes,\r\n//! and minimize cursor movement.\r\n\r\nuse std::cmp;\r\nuse std::io::Write;\r\n\r\nuse unicode_width::UnicodeWidthStr;\r\n\r\nuse crate::protocol::{underline_style_from_modifier, CellData, FrameData};\r\n\r\nconst REVERSED_MODIFIER: u16 = 1 << 6;\r\n\r\n/// Bytes produced by a [`BlitEncoder`] for one terminal frame.\r\npub(crate) struct EncodedBlit {\r\n    /// Terminal escape bytes ready to write to the host terminal.\r\n    pub(crate) bytes: Vec<u8>,\r\n    /// Whether this frame was encoded as a full redraw.\r\n    pub(crate) full: bool,\r\n    next_last_visible_cursor: Option<(u16, u16)>,\r\n    next_last_cursor_shape: u8,\r\n}\r\n\r\n/// Stateful encoder that diffs semantic frames into terminal ANSI bytes.\r\n#[derive(Default)]\r\npub(crate) struct BlitEncoder {\r\n    last_frame: Option<FrameData>,\r\n    last_visible_cursor: Option<(u16, u16)>,\r\n    last_cursor_shape: u8,\r\n}\r\n\r\nimpl BlitEncoder {\r\n    pub(crate) fn new() -> Self {\r\n        Self::default()\r\n    }\r\n\r\n    pub(crate) fn encode(&self, frame: &FrameData, force_full: bool) -> EncodedBlit {\r\n        self.encode_inner(frame, force_full, false)\r\n    }\r\n\r\n    pub(crate) fn encode_with_suppressed_visible_cursor(\r\n        &self,\r\n        frame: &FrameData,\r\n        force_full: bool,\r\n    ) -> EncodedBlit {\r\n        self.encode_inner(frame, force_full, true)\r\n    }\r\n\r\n    fn encode_inner(\r\n        &self,\r\n        frame: &FrameData,\r\n        force_full: bool,\r\n        suppress_visible_cursor: bool,\r\n    ) -> EncodedBlit {\r\n        let prev = if force_full {\r\n            None\r\n        } else {\r\n            self.last_frame.as_ref()\r\n        };\r\n        let full = force_full\r\n            || prev.is_none()\r\n            || prev.is_some_and(|p| p.width != frame.width || p.height != frame.height);\r\n        let prof_stats =\r\n            crate::render_prof::enabled().then(|| compute_prof_blit_stats(frame, prev, full));\r\n        let prof_started = crate::render_prof::timer();\r\n        let mut bytes = Vec::new();\r\n        let mut next_last_visible_cursor = self.last_visible_cursor;\r\n        let mut next_last_cursor_shape = self.last_cursor_shape;\r\n        blit_frame_to_with_cursor_memory(\r\n            &mut bytes,\r\n            frame,\r\n            prev,\r\n            &mut next_last_visible_cursor,\r\n            &mut next_last_cursor_shape,\r\n            suppress_visible_cursor,\r\n        );\r\n        if let Some(stats) = prof_stats {\r\n            crate::render_prof::duration_since(\"ansi_encode.total\", prof_started);\r\n            crate::render_prof::counter(\"ansi_encode.bytes\", bytes.len() as u64);\r\n            crate::render_prof::counter(\"ansi_encode.scanned_cells\", stats.scanned_cells);\r\n            crate::render_prof::counter(\"ansi_encode.changed_cells\", stats.changed_cells);\r\n            crate::render_prof::counter(\"ansi_encode.changed_runs\", stats.changed_runs);\r\n            if full {\r\n                crate::render_prof::event(\"ansi_encode.full\");\r\n            } else {\r\n                crate::render_prof::event(\"ansi_encode.partial\");\r\n            }\r\n        }\r\n        EncodedBlit {\r\n            bytes,\r\n            full,\r\n            next_last_visible_cursor,\r\n            next_last_cursor_shape,\r\n        }\r\n    }\r\n\r\n    pub(crate) fn commit(&mut self, frame: FrameData, encoded: EncodedBlit) {\r\n        self.last_visible_cursor = encoded.next_last_visible_cursor;\r\n        self.last_cursor_shape = encoded.next_last_cursor_shape;\r\n        self.last_frame = Some(frame);\r\n    }\r\n\r\n    pub(crate) fn is_current(&self, frame: &FrameData) -> bool {\r\n        self.last_frame.as_ref() == Some(frame)\r\n    }\r\n\r\n    pub(crate) fn last_frame(&self) -> Option<&FrameData> {\r\n        self.last_frame.as_ref()\r\n    }\r\n}\r\n\r\npub(crate) fn frame_with_drawn_cursor(mut frame: FrameData) -> FrameData {\r\n    if let Some(cursor) = frame.cursor.as_ref().filter(|cursor| cursor.visible) {\r\n        let (x, y) = clamp_cursor_position(&frame, cursor.x, cursor.y);\r\n        let idx = (y as usize)\r\n            .saturating_mul(frame.width as usize)\r\n            .saturating_add(x as usize);\r\n        if let Some(cell) = frame.cells.get_mut(idx) {\r\n            cell.modifier ^= REVERSED_MODIFIER;\r\n        }\r\n    }\r\n    frame\r\n}\r\n\r\n#[derive(Clone, Copy, Default)]\r\nstruct ProfBlitStats {\r\n    scanned_cells: u64,\r\n    changed_cells: u64,\r\n    changed_runs: u64,\r\n}\r\n\r\nfn compute_prof_blit_stats(\r\n    frame: &FrameData,\r\n    prev: Option<&FrameData>,\r\n    full: bool,\r\n) -> ProfBlitStats {\r\n    let Some(prev) = prev.filter(|_| !full) else {\r\n        let changed_cells = frame.cells.iter().filter(|cell| !cell.skip).count() as u64;\r\n        return ProfBlitStats {\r\n            scanned_cells: frame.cells.len() as u64,\r\n            changed_cells,\r\n            changed_runs: changed_cells,\r\n        };\r\n    };\r\n    if prev.width != frame.width || prev.height != frame.height {\r\n        let changed_cells = frame.cells.iter().filter(|cell| !cell.skip).count() as u64;\r\n        return ProfBlitStats {\r\n            scanned_cells: frame.cells.len() as u64,\r\n            changed_cells,\r\n            changed_runs: changed_cells,\r\n        };\r\n    }\r\n\r\n    let sanitized_hyperlinks = sanitized_frame_hyperlinks(frame);\r\n    let prev_sanitized_hyperlinks = sanitized_frame_hyperlinks(prev);\r\n    let mut stats = ProfBlitStats {\r\n        scanned_cells: frame.cells.len() as u64,\r\n        changed_cells: 0,\r\n        changed_runs: 0,\r\n    };\r\n    for row in 0..frame.height {\r\n        let mut in_run = false;\r\n        let mut invalidated = 0usize;\r\n        let mut to_skip = 0usize;\r\n        for col in 0..frame.width {\r\n            let idx = (row as usize) * (frame.width as usize) + (col as usize);\r\n            let cell = &frame.cells[idx];\r\n            let prev_cell = &prev.cells[idx];\r\n            let changed = !cell.skip\r\n                && (!cells_visually_equal(\r\n                    &sanitized_hyperlinks,\r\n                    cell,\r\n                    &prev_sanitized_hyperlinks,\r\n                    prev_cell,\r\n                ) || invalidated > 0)\r\n                && to_skip == 0;\r\n            if changed {\r\n                stats.changed_cells += 1;\r\n                if !in_run {\r\n                    stats.changed_runs += 1;\r\n                    in_run = true;\r\n                }\r\n            } else {\r\n                in_run = false;\r\n            }\r\n            to_skip = cell_width(cell).saturating_sub(1);\r\n            let affected_width = cmp::max(cell_width(cell), cell_width(prev_cell));\r\n            invalidated = cmp::max(affected_width, invalidated).saturating_sub(1);\r\n        }\r\n    }\r\n    stats\r\n}\r\n\r\n// ---------------------------------------------------------------------------\r\n// Color → escape sequence\r\n// ---------------------------------------------------------------------------\r\n\r\n/// Converts a packed u32 color to an SGR escape sequence fragment.\r\n///\r","truncated":true,"truncatedBy":"lines","totalLines":1857,"totalBytes":8291,"outputLines":223,"outputBytes":8291,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"//! Frame blitting — renders FrameData to the terminal using diff-based updates.\r\n//!\r\n//! The blitting strategy:\r\n//! 1. On the first frame, write the entire buffer (full redraw).\r\n//! 2. On subsequent frames, diff against the last frame and only write\r\n//!    the cells that changed.\r\n//! 3. Wrap each frame in synchronized output so terminals that support it do\r\n//!    not expose intermediate cursor positions while the frame is painted.\r\n//! 4. Before writing any cells, hide the cursor to avoid stray cursor\r\n//!    artifacts on terminals that render the hardware cursor at intermediate\r\n//!    `CUP` positions during the frame stream.\r\n//! 5. After writing all changed cells, restore the final cursor visibility\r\n//!    and position from `frame.cursor`.\r\n//! 6. On platforms that need it, repeat the final cursor anchor after ending\r\n//!    synchronized output so external IMEs can place candidate windows at the\r\n//!    real input position. Windows Terminal exposes that repeat as visible\r\n//!    cursor movement during active TUI repaints, so Windows skips it.\r\n//!\r\n//! Escape sequences used:\r\n//! - `CSI H` (CUP) — move cursor to (row, col)\r\n//! - `CSI m` (SGR) — set graphic rendition (colors, bold, etc.)\r\n//! - `CSI ? 2026 h/l` — begin/end synchronized output\r\n//! - `CSI Ps SP q` — DECSCUSR cursor shape\r\n//! - `ESC ] 52 ; c ; <base64> BEL` — OSC 52 clipboard write\r\n//!\r\n//! The goal is minimal output: skip unchanged cells, batch adjacent changes,\r\n//! and minimize cursor movement.\r\n\r\nuse std::cmp;\r\nuse std::io::Write;\r\n\r\nuse unicode_width::UnicodeWidthStr;\r\n\r\nuse crate::protocol::{underline_style_from_modifier, CellData, FrameData};\r\n\r\nconst REVERSED_MODIFIER: u16 = 1 << 6;\r\n\r\n/// Bytes produced by a [`BlitEncoder`] for one terminal frame.\r\npub(crate) struct EncodedBlit {\r\n    /// Terminal escape bytes ready to write to the host terminal.\r\n    pub(crate) bytes: Vec<u8>,\r\n    /// Whether this frame was encoded as a full redraw.\r\n    pub(crate) full: bool,\r\n    next_last_visible_cursor: Option<(u16, u16)>,\r\n    next_last_cursor_shape: u8,\r\n}\r\n\r\n/// Stateful encoder that diffs semantic frames into terminal ANSI bytes.\r\n#[derive(Default)]\r\npub(crate) struct BlitEncoder {\r\n    last_frame: Option<FrameData>,\r\n    last_visible_cursor: Option<(u16, u16)>,\r\n    last_cursor_shape: u8,\r\n}\r\n\r\nimpl BlitEncoder {\r\n    pub(crate) fn new() -> Self {\r\n        Self::default()\r\n    }\r\n\r\n    pub(crate) fn encode(&self, frame: &FrameData, force_full: bool) -> EncodedBlit {\r\n        self.encode_inner(frame, force_full, false)\r\n    }\r\n\r\n    pub(crate) fn encode_with_suppressed_visible_cursor(\r\n        &self,\r\n        frame: &FrameData,\r\n        force_full: bool,\r\n    ) -> EncodedBlit {\r\n        self.encode_inner(frame, force_full, true)\r\n    }\r\n\r\n    fn encode_inner(\r\n        &self,\r\n        frame: &FrameData,\r\n        force_full: bool,\r\n        suppress_visible_cursor: bool,\r\n    ) -> EncodedBlit {\r\n        let prev = if force_full {\r\n            None\r\n        } else {\r\n            self.last_frame.as_ref()\r\n        };\r\n        let full = force_full\r\n            || prev.is_none()\r\n            || prev.is_some_and(|p| p.width != frame.width || p.height != frame.height);\r\n        let prof_stats =\r\n            crate::render_prof::enabled().then(|| compute_prof_blit_stats(frame, prev, full));\r\n        let prof_started = crate::render_prof::timer();\r\n        let mut bytes = Vec::new();\r\n        let mut next_last_visible_cursor = self.last_visible_cursor;\r\n        let mut next_last_cursor_shape = self.last_cursor_shape;\r\n        blit_frame_to_with_cursor_memory(\r\n            &mut bytes,\r\n            frame,\r\n            prev,\r\n            &mut next_last_visible_cursor,\r\n            &mut next_last_cursor_shape,\r\n            suppress_visible_cursor,\r\n        );\r\n        if let Some(stats) = prof_stats {\r\n            crate::render_prof::duration_since(\"ansi_encode.total\", prof_started);\r\n            crate::render_prof::counter(\"ansi_encode.bytes\", bytes.len() as u64);\r\n            crate::render_prof::counter(\"ansi_encode.scanned_cells\", stats.scanned_cells);\r\n            crate::render_prof::counter(\"ansi_encode.changed_cells\", stats.changed_cells);\r\n            crate::render_prof::counter(\"ansi_encode.changed_runs\", stats.changed_runs);\r\n            if full {\r\n                crate::render_prof::event(\"ansi_encode.full\");\r\n            } else {\r\n                crate::render_prof::event(\"ansi_encode.partial\");\r\n            }\r\n        }\r\n        EncodedBlit {\r\n            bytes,\r\n            full,\r\n            next_last_visible_cursor,\r\n            next_last_cursor_shape,\r\n        }\r\n    }\r\n\r\n    pub(crate) fn commit(&mut self, frame: FrameData, encoded: EncodedBlit) {\r\n        self.last_visible_cursor = encoded.next_last_visible_cursor;\r\n        self.last_cursor_shape = encoded.next_last_cursor_shape;\r\n        self.last_frame = Some(frame);\r\n    }\r\n\r\n    pub(crate) fn is_current(&self, frame: &FrameData) -> bool {\r\n        self.last_frame.as_ref() == Some(frame)\r\n    }\r\n\r\n    pub(crate) fn last_frame(&self) -> Option<&FrameData> {\r\n        self.last_frame.as_ref()\r\n    }\r\n}\r\n\r\npub(crate) fn frame_with_drawn_cursor(mut frame: FrameData) -> FrameData {\r\n    if let Some(cursor) = frame.cursor.as_ref().filter(|cursor| cursor.visible) {\r\n        let (x, y) = clamp_cursor_position(&frame, cursor.x, cursor.y);\r\n        let idx = (y as usize)\r\n            .saturating_mul(frame.width as usize)\r\n            .saturating_add(x as usize);\r\n        if let Some(cell) = frame.cells.get_mut(idx) {\r\n            cell.modifier ^= REVERSED_MODIFIER;\r\n        }\r\n    }\r\n    frame\r\n}\r\n\r\n#[derive(Clone, Copy, Default)]\r\nstruct ProfBlitStats {\r\n    scanned_cells: u64,\r\n    changed_cells: u64,\r\n    changed_runs: u64,\r\n}\r\n\r\nfn compute_prof_blit_stats(\r\n    frame: &FrameData,\r\n    prev: Option<&FrameData>,\r\n    full: bool,\r\n) -> ProfBlitStats {\r\n    let Some(prev) = prev.filter(|_| !full) else {\r\n        let changed_cells = frame.cells.iter().filter(|cell| !cell.skip).count() as u64;\r\n        return ProfBlitStats {\r\n            scanned_cells: frame.cells.len() as u64,\r\n            changed_cells,\r\n            changed_runs: changed_cells,\r\n        };\r\n    };\r\n    if prev.width != frame.width || prev.height != frame.height {\r\n        let changed_cells = frame.cells.iter().filter(|cell| !cell.skip).count() as u64;\r\n        return ProfBlitStats {\r\n            scanned_cells: frame.cells.len() as u64,\r\n            changed_cells,\r\n            changed_runs: changed_cells,\r\n        };\r\n    }\r\n\r\n    let sanitized_hyperlinks = sanitized_frame_hyperlinks(frame);\r\n    let prev_sanitized_hyperlinks = sanitized_frame_hyperlinks(prev);\r\n    let mut stats = ProfBlitStats {\r\n        scanned_cells: frame.cells.len() as u64,\r\n        changed_cells: 0,\r\n        changed_runs: 0,\r\n    };\r\n    for row in 0..frame.height {\r\n        let mut in_run = false;\r\n        let mut invalidated = 0usize;\r\n        let mut to_skip = 0usize;\r\n        for col in 0..frame.width {\r\n            let idx = (row as usize) * (frame.width as usize) + (col as usize);\r\n            let cell = &frame.cells[idx];\r\n            let prev_cell = &prev.cells[idx];\r\n            let changed = !cell.skip\r\n                && (!cells_visually_equal(\r\n                    &sanitized_hyperlinks,\r\n                    cell,\r\n                    &prev_sanitized_hyperlinks,\r\n                    prev_cell,\r\n                ) || invalidated > 0)\r\n                && to_skip == 0;\r\n            if changed {\r\n                stats.changed_cells += 1;\r\n                if !in_run {\r\n                    stats.changed_runs += 1;\r\n                    in_run = true;\r\n                }\r\n            } else {\r\n                in_run = false;\r\n            }\r\n            to_skip = cell_width(cell).saturating_sub(1);\r\n            let affected_width = cmp::max(cell_width(cell), cell_width(prev_cell));\r\n            invalidated = cmp::max(affected_width, invalidated).saturating_sub(1);\r\n        }\r\n    }\r\n    stats\r\n}\r\n\r\n// ---------------------------------------------------------------------------\r\n// Color → escape sequence\r\n// ---------------------------------------------------------------------------\r\n\r\n/// Converts a packed u32 color to an SGR escape sequence 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This keeps IMEs and cursor trackers from observing the\n 432|    // intermediate CUP positions used while painting changed cells.\n 433|    let _ = writer.write_all(b\"\\x1b[?2026h\");\n...\n 465|\n*466|    // End the synchronized output block immediately after the final cursor\n 467|    // state is emitted so supporting terminals can present the frame atomically.\n 468|    let _ = writer.write_all(b\"\\x1b[?2026l\");\n 469|\n 470|    // Some native IMEs track candidate-window placement from normal terminal\n*471|    // cursor updates and may not observe cursor moves emitted inside synchronized\n 472|    // output. Re-emit only the resolved final cursor anchor after the sync block\n 473|    // on targets that need it; Windows Terminal exposes that repeat as cursor\n 474|    // movement during active TUI repaints.\n...\n 492|fn cell_width(cell: &CellData) -> usize {\n*493|    cell.symbol.width()\n 494|}\n 495|\n 496|#[derive(Clone, Copy)]\n...\n 589|    for row in 0..frame.height {\n*590|        let mut to_skip = 0usize;\n 591|        for col in 0..frame.width {\n*592|            if to_skip > 0 {\n*593|                to_skip -= 1;\n 594|                continue;\n 595|            }\n 596|\n...\n 599|\n*600|            if cell.skip {\n 601|                continue;\n 602|            }\n 603|\n...\n 616|\n*617|            // Write the symbol.\n*618|            let _ = writer.write_all(cell.symbol.as_bytes());\n*619|            to_skip = cell_width(cell).saturating_sub(1);\n 620|        }\n 621|    }\n 622|\n...\n 682|\n*683|fn write_cell(\n 684|    writer: &mut impl Write,\n 685|    cursor_position: Option<(u16, u16)>,\n 686|    cell: &CellData,\n...\n 690|) {\n*691|    if cell.skip {\n 692|        return;\n 693|    }\n 694|\n...\n 705|    write_hyperlink_if_changed(writer, active_hyperlink, cell_hyperlink_uri(frame, cell));\n*706|    let _ = writer.write_all(cell.symbol.as_bytes());\n 707|}\n 708|\n 709|/// Writes only the cells that changed between the previous and current frame.\n...\n 715|) -> bool {\n*716|    cell.symbol == prev_cell.symbol\n 717|        && cell.fg == prev_cell.fg\n 718|        && cell.bg == prev_cell.bg\n 719|        && cell.modifier == prev_cell.modifier\n...\n 732|        let mut invalidated = 0usize;\n*733|        let mut to_skip = 0usize;\n 734|        // Herdr clients disable host autowrap, so safe cells can advance inline\n 735|        // without spilling into adjacent rows during a resize race.\n 736|        let mut next_inline_col = None;\n...\n 742|\n*743|            if !cell.skip\n 744|                && (!cells_visually_equal(\n 745|                    &sanitized_hyperlinks,\n 746|                    cell,\n...\n 749|                ) || invalidated > 0)\n*750|                && to_skip == 0\n 751|            {\n 752|                let cursor_position =\n 753|                    (next_inline_col != Some(col) || invalidated > 0).then_some((col, row));\n*754|                write_cell(\n 755|                    writer,\n 756|                    cursor_position,\n 757|                    cell,\n...\n 761|                );\n*762|                next_inline_col = (cell.symbol.is_ascii() && cell_width(cell) == 1)\n 763|                    .then_some(col.saturating_add(1));\n 764|            }\n 765|\n*766|            to_skip = cell_width(cell).saturating_sub(1);\n 767|            let affected_width = cmp::max(cell_width(cell), cell_width(prev_cell));\n 768|            invalidated = cmp::max(affected_width, invalidated).saturating_sub(1);\n 769|        }\n...\n 790|\n*791|    fn make_cell(symbol: &str, fg: u32, bg: u32, modifier: u16) -> CellData {\n 792|        CellData {\n*793|            symbol: symbol.to_owned(),\n 794|            fg,\n 795|            bg,\n 796|            modifier,\n*797|            skip: false,\n 798|            hyperlink: None,\n 799|        }\n 800|    }\n...\n 812|\n*813|    fn linked_cell(symbol: &str, index: u32) -> CellData {\n*814|        let mut cell = make_cell(symbol, 0, 0, 0);\n 815|        cell.hyperlink = Some(index);\n 816|        cell\n 817|    }"}],"details":{"scopePath":"C:/Windows/Temp/librarian-herdr/src/protocol/render_ansi.rs","searchPath":"C:/Windows/Temp/librarian-herdr/src/protocol/render_ansi.rs","cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core","matchCount":30,"fileCount":1,"files":["C:/Windows/Temp/librarian-herdr/src/protocol/render_ansi.rs"],"fileMatches":[{"path":"C:/Windows/Temp/librarian-herdr/src/protocol/render_ansi.rs","count":30}],"truncated":false,"displayContent":" 370│fn cells_equal(a: &CellData, b: &CellData) -> bool {\n*371│    a.symbol == b.symbol\n 372│        && a.fg == b.fg\n 373│        && a.bg == b.bg\n 374│        && a.modifier == b.modifier\n    │...\n 384│#[cfg(test)]\n*385│fn blit_frame_to(writer: impl Write, frame: &FrameData, prev: Option<&FrameData>) {\n 386│    let mut last_visible_cursor = None;\n 387│    let mut last_cursor_shape = 0;\n 388│    blit_frame_to_with_cursor_memory(\n    │...\n 397│\n*398│fn blit_frame_to_with_cursor_memory(\n 399│    mut writer: impl Write,\n 400│    frame: &FrameData,\n 401│    prev: Option<&FrameData>,\n    │...\n 416│\n*417│fn blit_frame_to_with_cursor_memory_and_policy(\n 418│    mut writer: impl Write,\n 419│    frame: &FrameData,\n 420│    prev: Option<&FrameData>,\n    │...\n 429│\n*430│    // Ask terminals that support synchronized output to apply the whole frame\n 431│    // atomically. 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{"type":"custom","customType":"tool_execution_start","data":{"toolCallId":"call_PdHluLybeVgN8Y6SptAqb3ad|fc_0784f445f025ad6b016a5b41de264c819ab8cc1cbc5aabaf53","toolName":"grep","startedAt":"2026-07-18T09:05:34.268Z","args":{"path":"C:/Windows/Temp/librarian-herdr/src; C:/Windows/Temp/librarian-herdr/vendor"},"intent":"Finding alternate screen usage"},"id":"61807fe2","parentId":"9426aedb","timestamp":"2026-07-18T09:05:34.268Z"}
{"type":"message","id":"05a0265e","parentId":"61807fe2","timestamp":"2026-07-18T09:05:34.270Z","message":{"role":"toolResult","toolCallId":"call_mCBVdrJJZZt0lEsEsA4U4Pkp|fc_0784f445f025ad6b016a5b41de2644819a94a34e8aa9df0542","toolName":"grep","content":[{"type":"text","text":" 72|    /// The terminal size we reported to the server in our last Hello/Resize.\n*73|    reported_size: (u16, u16),\n 74|    /// Client-local sound playback config, refreshed on server request.\n 75|    sound_config: crate::config::SoundConfig,\n 76|    /// Whether this client may write Kitty graphics bytes to its host terminal.\n...\n 220|impl ClientState {\n*221|    fn request_full_redraw(&mut self) {\n 222|        self.blit_encoder = render_ansi::BlitEncoder::new();\n 223|    }\n 224|}\n...\n 1292|        mouse_capture_active: config.mouse_capture_active,\n*1293|        reported_size: (cols, rows),\n 1294|        sound_config: config.sound_config,\n 1295|        kitty_graphics_enabled: config.kitty_graphics_enabled,\n 1296|        attach_escape,\n...\n 1379|                        data,\n*1380|                        state.reported_size.1,\n 1381|                        state.mouse_scroll_lines,\n 1382|                    ) {\n 1383|                        AttachInputAction::Forward(data) => data,\n...\n 1416|                    ) {\n*1417|                        state.request_full_redraw();\n 1418|                    }\n 1419|                    if crate::raw_input::events_require_host_terminal_theme_query(&events) {\n 1420|                        query_host_terminal_theme();\n...\n 1488|                ) {\n*1489|                    state.request_full_redraw();\n 1490|                }\n 1491|                let msg = ClientMessage::InputEvents { events };\n 1492|                if let Err(e) = write_to_server(&mut write_stream, &msg) {\n...\n 1495|            }\n*1496|            ClientLoopEvent::Resize(new_cols, new_rows, cell_width_px, cell_height_px) => {\n*1497|                state.reported_size = (new_cols, new_rows);\n 1498|                let msg = ClientMessage::Resize {\n 1499|                    cols: new_cols,\n 1500|                    rows: new_rows,\n...\n 1530|                    let _ = stdout.flush();\n*1531|                    state.blit_encoder.commit(frame_data, encoded);\n 1532|                }\n 1533|                ServerMessage::Terminal(frame) => {\n 1534|                    if state.kitty_graphics_enabled && contains_kitty_graphics_bytes(&frame.bytes) {\n...\n 2078|/// Polls the terminal size and sends resize events when it changes.\n*2079|fn resize_poll_loop(\n 2080|    resize_tx: tokio::sync::mpsc::Sender<ClientLoopEvent>,\n 2081|    initial_cols: u16,\n 2082|    initial_rows: u16,\n...\n 2099|            if resize_tx\n*2100|                .blocking_send(ClientLoopEvent::Resize(\n 2101|                    new_size.0, new_size.1, new_size.2, new_size.3,\n 2102|                ))\n 2103|                .is_err()"}],"details":{"scopePath":"C:/Windows/Temp/librarian-herdr/src/client/mod.rs","searchPath":"C:/Windows/Temp/librarian-herdr/src/client/mod.rs","cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core","matchCount":11,"fileCount":1,"files":["C:/Windows/Temp/librarian-herdr/src/client/mod.rs"],"fileMatches":[{"path":"C:/Windows/Temp/librarian-herdr/src/client/mod.rs","count":11}],"truncated":false,"displayContent":"   72│    /// The terminal size we reported to the server in our last Hello/Resize.\n  *73│    reported_size: (u16, u16),\n   74│    /// Client-local sound playback config, refreshed on server request.\n   75│    sound_config: crate::config::SoundConfig,\n   76│    /// Whether this client may write Kitty graphics bytes to its host terminal.\n     │...\n  220│impl ClientState {\n *221│    fn request_full_redraw(&mut self) {\n  222│        self.blit_encoder = render_ansi::BlitEncoder::new();\n  223│    }\n  224│}\n     │...\n 1292│        mouse_capture_active: config.mouse_capture_active,\n*1293│        reported_size: (cols, rows),\n 1294│        sound_config: config.sound_config,\n 1295│        kitty_graphics_enabled: config.kitty_graphics_enabled,\n 1296│        attach_escape,\n     │...\n 1379│                        data,\n*1380│                        state.reported_size.1,\n 1381│                        state.mouse_scroll_lines,\n 1382│                    ) {\n 1383│                        AttachInputAction::Forward(data) => data,\n     │...\n 1416│                    ) {\n*1417│                        state.request_full_redraw();\n 1418│                    }\n 1419│                    if crate::raw_input::events_require_host_terminal_theme_query(&events) {\n 1420│                        query_host_terminal_theme();\n     │...\n 1488│                ) {\n*1489│                    state.request_full_redraw();\n 1490│                }\n 1491│                let msg = ClientMessage::InputEvents { events };\n 1492│                if let Err(e) = write_to_server(&mut write_stream, &msg) {\n     │...\n 1495│            }\n*1496│            ClientLoopEvent::Resize(new_cols, new_rows, cell_width_px, cell_height_px) => {\n*1497│                state.reported_size = (new_cols, new_rows);\n 1498│                let msg = ClientMessage::Resize {\n 1499│                    cols: new_cols,\n 1500│                    rows: new_rows,\n     │...\n 1530│                    let _ = stdout.flush();\n*1531│                    state.blit_encoder.commit(frame_data, encoded);\n 1532│                }\n 1533│                ServerMessage::Terminal(frame) => {\n 1534│                    if state.kitty_graphics_enabled && contains_kitty_graphics_bytes(&frame.bytes) {\n     │...\n 2078│/// Polls the terminal size and sends resize events when it changes.\n*2079│fn resize_poll_loop(\n 2080│    resize_tx: tokio::sync::mpsc::Sender<ClientLoopEvent>,\n 2081│    initial_cols: u16,\n 2082│    initial_rows: u16,\n     │...\n 2099│            if resize_tx\n*2100│                .blocking_send(ClientLoopEvent::Resize(\n 2101│                    new_size.0, new_size.1, new_size.2, new_size.3,\n 2102│                ))\n 2103│                .is_err()"},"isError":false,"timestamp":1784365534270}}
{"type":"message","id":"ae3dae42","parentId":"05a0265e","timestamp":"2026-07-18T09:05:34.282Z","message":{"role":"toolResult","toolCallId":"call_5ibIxnWvj2uD5mATYDgmp24z|fc_0784f445f025ad6b016a5b41de2620819aa432e274d2639138","toolName":"read","content":[{"type":"text","text":"fn blit_frame_to_with_cursor_memory(\n    mut writer: impl Write,\n    frame: &FrameData,\n    prev: Option<&FrameData>,\n    last_visible_cursor: &mut Option<(u16, u16)>,\n    last_cursor_shape: &mut u8,\n    suppress_visible_cursor: bool,\n) {\n    blit_frame_to_with_cursor_memory_and_policy(\n        &mut writer,\n        frame,\n        prev,\n        last_visible_cursor,\n        last_cursor_shape,\n        repeat_ime_anchor_after_sync(),\n        suppress_visible_cursor,\n    );\n}\n\nfn blit_frame_to_with_cursor_memory_and_policy(\n    mut writer: impl Write,\n    frame: &FrameData,\n    prev: Option<&FrameData>,\n    last_visible_cursor: &mut Option<(u16, u16)>,\n    last_cursor_shape: &mut u8,\n    repeat_ime_anchor: bool,\n    suppress_visible_cursor: bool,\n) {\n    // On first frame or size change, do a full redraw.\n    let full_redraw =\n        prev.is_none() || prev.is_some_and(|p| p.width != frame.width || p.height != frame.height);\n\n    // Ask terminals that support synchronized output to apply the whole frame\n    // atomically. This keeps IMEs and cursor trackers from observing the\n    // intermediate CUP positions used while painting changed cells.\n    let _ = writer.write_all(b\"\\x1b[?2026h\");\n\n    // Hide cursor before any cell writes to avoid stray cursor artifacts\n    // on terminals that render the hardware cursor at intermediate CUP positions.\n    let _ = writer.write_all(b\"\\x1b[?25l\");\n\n    // Start each frame from a known OSC 8 state. If a previous write was\n    // interrupted or the outer terminal had an active hyperlink, unlinked cells\n    // must not inherit it.\n    let _ = writer.write_all(b\"\\x1b]8;;\\x1b\\\\\");\n\n    if full_redraw {\n        // Clear the screen and write all cells.\n        let _ = writer.write_all(b\"\\x1b[2J\\x1b[H\");\n        write_all_cells(&mut writer, frame);\n    } else {\n        // Diff-based update: only write changed cells.\n        let prev = prev.unwrap();\n        write_changed_cells(&mut writer, frame, prev);\n    }\n\n    // Position the cursor while it is still hidden, then restore visibility.\n    // Showing before moving makes slow terminals and IMEs briefly observe the\n    // cursor at the last painted cell, which can be an animated sidebar/status\n    // cell rather than the focused pane's input position. When the focused pane\n    // hides its cursor, still park the host cursor intentionally so IMEs do not\n    // anchor to whichever cell happened to be painted last.\n    let mut host_cursor = resolve_host_cursor_state(frame, last_visible_cursor);\n    if suppress_visible_cursor && host_cursor.visible {\n        host_cursor.visible = false;\n    }\n    write_host_cursor_state(&mut writer, host_cursor, last_cursor_shape);\n\n    // End the synchronized output block immediately after the final cursor\n    // state is emitted so supporting terminals can present the frame atomically.\n    let _ = writer.write_all(b\"\\x1b[?2026l\");\n\n    // Some native IMEs track candidate-window placement from normal terminal\n    // cursor updates and may not observe cursor moves emitted inside synchronized\n    // output. Re-emit only the resolved final cursor anchor after the sync block\n    // on targets that need it; Windows Terminal exposes that repeat as cursor\n    // movement during active TUI repaints.\n    if repeat_ime_anchor {\n        write_ime_anchor_cursor_state(&mut writer, host_cursor);\n    }\n    let _ = writer.flush();\n}\n\n…\nfn write_host_cursor_state(writer: &mut impl Write, cursor: HostCursorState, last_shape: &mut u8) {\n…\n    if cursor.visible {\n        // Show cursor only after it is already at the final position.\n        let _ = writer.write_all(b\"\\x1b[?25h\");\n    } else {\n        let _ = writer.write_all(b\"\\x1b[?25l\");\n    }\n}\n\nfn write_ime_anchor_cursor_state(writer: &mut impl Write, cursor: HostCursorState) {\n    write_cursor_position(writer, cursor.position);\n    if cursor.visible {\n        let _ = writer.write_all(b\"\\x1b[?25h\");\n    } else {\n        let _ = writer.write_all(b\"\\x1b[?25l\");\n    }\n}\n\nfn write_all_cells(writer: &mut impl Write, frame: &FrameData) {\n    let mut active_hyperlink = None;\n    for row in 0..frame.height {\n        let mut to_skip = 0usize;\n        for col in 0..frame.width {\n            if to_skip > 0 {\n                to_skip -= 1;\n                continue;\n            }\n\n            let idx = (row as usize) * (frame.width as usize) + (col as usize);\n            let cell = &frame.cells[idx];\n\n            if cell.skip {\n                continue;\n            }\n\n            // Move cursor to position (1-based).\n            let _ = write!(writer, \"\\x1b[{};{}H\", row + 1, col + 1);\n\n            // Set style.\n            let sgr = build_sgr(cell.fg, cell.bg, cell.modifier);\n            let _ = writer.write_all(sgr.as_bytes());\n\n            write_hyperlink_if_changed(\n                writer,\n                &mut active_hyperlink,\n                cell_hyperlink_uri(frame, cell),\n            );\n\n            // Write the symbol.\n            let _ = writer.write_all(cell.symbol.as_bytes());\n            to_skip = cell_width(cell).saturating_sub(1);\n        }\n    }\n\n    close_hyperlink(writer, &mut active_hyperlink);\n\n    // Reset style at the end.\n    let _ = writer.write_all(b\"\\x1b[0m\");\n}\n\nfn cell_hyperlink_uri<'a>(frame: &'a FrameData, cell: &CellData) -> Option<&'a str> {\n    let index = cell.hyperlink? as usize;\n    frame.hyperlinks.get(index).map(String::as_str)\n}\n\nfn sanitized_hyperlink_uri(uri: &str) -> Option<String> {\n    let sanitized: String = uri\n        .chars()\n        .filter(|ch| *ch != '\\x1b' && *ch != '\\x07' && !ch.is_control())\n        .collect();\n    (!sanitized.is_empty()).then_some(sanitized)\n}\n\nfn sanitized_frame_hyperlinks(frame: &FrameData) -> Vec<Option<String>> {\n    frame\n        .hyperlinks\n        .iter()\n        .map(|uri| sanitized_hyperlink_uri(uri))\n        .collect()\n}\n\nfn sanitized_cell_hyperlink_uri<'a>(\n    sanitized_hyperlinks: &'a [Option<String>],\n    cell: &CellData,\n) -> Option<&'a str> {\n    let index = cell.hyperlink? as usize;\n    sanitized_hyperlinks.get(index)?.as_deref()\n}\n\nfn write_hyperlink_if_changed(\n    writer: &mut impl Write,\n    active: &mut Option<String>,\n    requested: Option<&str>,\n) {\n    let requested = requested.and_then(sanitized_hyperlink_uri);\n    if active.as_deref() == requested.as_deref() {\n        return;\n    }\n\n    if active.is_some() {\n        let _ = writer.write_all(b\"\\x1b]8;;\\x1b\\\\\");\n    }\n    *active = requested;\n    if let Some(uri) = active.as_deref() {\n        let _ = write!(writer, \"\\x1b]8;;{uri}\\x1b\\\\\");\n    }\n}\n\nfn close_hyperlink(writer: &mut impl Write, active: &mut Option<String>) {\n    if active.take().is_some() {\n        let _ = writer.write_all(b\"\\x1b]8;;\\x1b\\\\\");\n    }\n}\n\nfn write_cell(\n    writer: &mut impl Write,\n    cursor_position: Option<(u16, u16)>,\n    cell: &CellData,\n    last_sgr: &mut String,\n    active_hyperlink: &mut Option<String>,\n    frame: &FrameData,\n) {\n    if cell.skip {\n        return;\n    }\n\n    if let Some(position) = cursor_position {\n        write_cursor_position(writer, position);\n    }\n\n    let sgr = build_sgr(cell.fg, cell.bg, cell.modifier);\n    if sgr != *last_sgr {\n        let _ = writer.write_all(sgr.as_bytes());\n        *last_sgr = sgr;\n    }\n\n    write_hyperlink_if_changed(writer, active_hyperlink, cell_hyperlink_uri(frame, cell));\n    let _ = writer.write_all(cell.symbol.as_bytes());\n}\n\n/// Writes only the cells that changed between the previous and current frame.\nfn cells_visually_equal(\n    sanitized_hyperlinks: &[Option<String>],\n    cell: &CellData,\n    prev_sanitized_hyperlinks: &[Option<String>],\n    prev_cell: &CellData,\n) -> bool {\n    cell.symbol == prev_cell.symbol\n        && cell.fg == prev_cell.fg\n        && cell.bg == prev_cell.bg\n        && cell.modifier == prev_cell.modifier\n        && sanitized_cell_hyperlink_uri(sanitized_hyperlinks, cell)\n            == sanitized_cell_hyperlink_uri(prev_sanitized_hyperlinks, prev_cell)\n    // Skip flag is only for ratatui internal use, not visual.\n}\n\nfn write_changed_cells(writer: &mut impl Write, frame: &FrameData, prev: &FrameData) {\n    let mut last_sgr = String::new(); // Track last SGR to avoid redundant style changes.\n    let mut active_hyperlink = None;\n    let sanitized_hyperlinks = sanitized_frame_hyperlinks(frame);\n    let prev_sanitized_hyperlinks = sanitized_frame_hyperlinks(prev);\n\n    for row in 0..frame.height {\n        let mut invalidated = 0usize;\n        let mut to_skip = 0usize;\n        // Herdr clients disable host autowrap, so safe cells can advance inline\n        // without spilling into adjacent rows during a resize race.\n        let mut next_inline_col = None;\n\n        for col in 0..frame.width {\n            let idx = (row as usize) * (frame.width as usize) + (col as usize);\n            let cell = &frame.cells[idx];\n            let prev_cell = &prev.cells[idx];\n\n            if !cell.skip\n                && (!cells_visually_equal(\n                    &sanitized_hyperlinks,\n                    cell,\n                    &prev_sanitized_hyperlinks,\n                    prev_cell,\n                ) || invalidated > 0)\n                && to_skip == 0\n            {\n                let cursor_position =\n                    (next_inline_col != Some(col) || invalidated > 0).then_some((col, row));\n                write_cell(\n                    writer,\n                    cursor_position,\n                    cell,\n                    &mut last_sgr,\n                    &mut active_hyperlink,\n                    frame,\n                );\n                next_inline_col = (cell.symbol.is_ascii() && cell_width(cell) == 1)\n                    .then_some(col.saturating_add(1));\n            }\n\n            to_skip = cell_width(cell).saturating_sub(1);\n            let affected_width = cmp::max(cell_width(cell), cell_width(prev_cell));\n            invalidated = cmp::max(affected_width, invalidated).saturating_sub(1);\n        }\n    }\n\n    close_hyperlink(writer, &mut active_hyperlink);\n\n    // Reset style if we wrote anything.\n    if !last_sgr.is_empty() {\n…\n    }\n}"}],"details":{"displayContent":{"text":"fn blit_frame_to_with_cursor_memory(\n    mut writer: impl Write,\n    frame: &FrameData,\n    prev: Option<&FrameData>,\n    last_visible_cursor: &mut Option<(u16, u16)>,\n    last_cursor_shape: &mut u8,\n    suppress_visible_cursor: bool,\n) {\n    blit_frame_to_with_cursor_memory_and_policy(\n        &mut writer,\n        frame,\n        prev,\n        last_visible_cursor,\n        last_cursor_shape,\n        repeat_ime_anchor_after_sync(),\n        suppress_visible_cursor,\n    );\n}\n\nfn blit_frame_to_with_cursor_memory_and_policy(\n    mut writer: impl Write,\n    frame: &FrameData,\n    prev: Option<&FrameData>,\n    last_visible_cursor: &mut Option<(u16, u16)>,\n    last_cursor_shape: &mut u8,\n    repeat_ime_anchor: bool,\n    suppress_visible_cursor: bool,\n) {\n    // On first frame or size change, do a full redraw.\n    let full_redraw =\n        prev.is_none() || prev.is_some_and(|p| p.width != frame.width || p.height != frame.height);\n\n    // Ask terminals that support synchronized output to apply the whole frame\n    // atomically. This keeps IMEs and cursor trackers from observing the\n    // intermediate CUP positions used while painting changed cells.\n    let _ = writer.write_all(b\"\\x1b[?2026h\");\n\n    // Hide cursor before any cell writes to avoid stray cursor artifacts\n    // on terminals that render the hardware cursor at intermediate CUP positions.\n    let _ = writer.write_all(b\"\\x1b[?25l\");\n\n    // Start each frame from a known OSC 8 state. If a previous write was\n    // interrupted or the outer terminal had an active hyperlink, unlinked cells\n    // must not inherit it.\n    let _ = writer.write_all(b\"\\x1b]8;;\\x1b\\\\\");\n\n    if full_redraw {\n        // Clear the screen and write all cells.\n        let _ = writer.write_all(b\"\\x1b[2J\\x1b[H\");\n        write_all_cells(&mut writer, frame);\n    } else {\n        // Diff-based update: only write changed cells.\n        let prev = prev.unwrap();\n        write_changed_cells(&mut writer, frame, prev);\n    }\n\n    // Position the cursor while it is still hidden, then restore visibility.\n    // Showing before moving makes slow terminals and IMEs briefly observe the\n    // cursor at the last painted cell, which can be an animated sidebar/status\n    // cell rather than the focused pane's input position. When the focused pane\n    // hides its cursor, still park the host cursor intentionally so IMEs do not\n    // anchor to whichever cell happened to be painted last.\n    let mut host_cursor = resolve_host_cursor_state(frame, last_visible_cursor);\n    if suppress_visible_cursor && host_cursor.visible {\n        host_cursor.visible = false;\n    }\n    write_host_cursor_state(&mut writer, host_cursor, last_cursor_shape);\n\n    // End the synchronized output block immediately after the final cursor\n    // state is emitted so supporting terminals can present the frame atomically.\n    let _ = writer.write_all(b\"\\x1b[?2026l\");\n\n    // Some native IMEs track candidate-window placement from normal terminal\n    // cursor updates and may not observe cursor moves emitted inside synchronized\n    // output. Re-emit only the resolved final cursor anchor after the sync block\n    // on targets that need it; Windows Terminal exposes that repeat as cursor\n    // movement during active TUI repaints.\n    if repeat_ime_anchor {\n        write_ime_anchor_cursor_state(&mut writer, host_cursor);\n    }\n    let _ = writer.flush();\n}\n\n…\nfn write_host_cursor_state(writer: &mut impl Write, cursor: HostCursorState, last_shape: &mut u8) {\n…\n    if cursor.visible {\n        // Show cursor only after it is already at the final position.\n        let _ = writer.write_all(b\"\\x1b[?25h\");\n    } else {\n        let _ = writer.write_all(b\"\\x1b[?25l\");\n    }\n}\n\nfn write_ime_anchor_cursor_state(writer: &mut impl Write, cursor: HostCursorState) {\n    write_cursor_position(writer, cursor.position);\n    if cursor.visible {\n        let _ = writer.write_all(b\"\\x1b[?25h\");\n    } else {\n        let _ = writer.write_all(b\"\\x1b[?25l\");\n    }\n}\n\nfn write_all_cells(writer: &mut impl Write, frame: &FrameData) {\n    let mut active_hyperlink = None;\n    for row in 0..frame.height {\n        let mut to_skip = 0usize;\n        for col in 0..frame.width {\n            if to_skip > 0 {\n                to_skip -= 1;\n                continue;\n            }\n\n            let idx = (row as usize) * (frame.width as usize) + (col as usize);\n            let cell = &frame.cells[idx];\n\n            if cell.skip {\n                continue;\n            }\n\n            // Move cursor to position (1-based).\n            let _ = write!(writer, \"\\x1b[{};{}H\", row + 1, col + 1);\n\n            // Set style.\n            let sgr = build_sgr(cell.fg, cell.bg, cell.modifier);\n            let _ = writer.write_all(sgr.as_bytes());\n\n            write_hyperlink_if_changed(\n                writer,\n                &mut active_hyperlink,\n                cell_hyperlink_uri(frame, cell),\n            );\n\n            // Write the symbol.\n            let _ = writer.write_all(cell.symbol.as_bytes());\n            to_skip = cell_width(cell).saturating_sub(1);\n        }\n    }\n\n    close_hyperlink(writer, &mut active_hyperlink);\n\n    // Reset style at the end.\n    let _ = writer.write_all(b\"\\x1b[0m\");\n}\n\nfn cell_hyperlink_uri<'a>(frame: &'a FrameData, cell: &CellData) -> Option<&'a str> {\n    let index = cell.hyperlink? as usize;\n    frame.hyperlinks.get(index).map(String::as_str)\n}\n\nfn sanitized_hyperlink_uri(uri: &str) -> Option<String> {\n    let sanitized: String = uri\n        .chars()\n        .filter(|ch| *ch != '\\x1b' && *ch != '\\x07' && !ch.is_control())\n        .collect();\n    (!sanitized.is_empty()).then_some(sanitized)\n}\n\nfn sanitized_frame_hyperlinks(frame: &FrameData) -> Vec<Option<String>> {\n    frame\n        .hyperlinks\n        .iter()\n        .map(|uri| sanitized_hyperlink_uri(uri))\n        .collect()\n}\n\nfn sanitized_cell_hyperlink_uri<'a>(\n    sanitized_hyperlinks: &'a [Option<String>],\n    cell: &CellData,\n) -> Option<&'a str> {\n    let index = cell.hyperlink? as usize;\n    sanitized_hyperlinks.get(index)?.as_deref()\n}\n\nfn write_hyperlink_if_changed(\n    writer: &mut impl Write,\n    active: &mut Option<String>,\n    requested: Option<&str>,\n) {\n    let requested = requested.and_then(sanitized_hyperlink_uri);\n    if active.as_deref() == requested.as_deref() {\n        return;\n    }\n\n    if active.is_some() {\n        let _ = writer.write_all(b\"\\x1b]8;;\\x1b\\\\\");\n    }\n    *active = requested;\n    if let Some(uri) = active.as_deref() {\n        let _ = write!(writer, \"\\x1b]8;;{uri}\\x1b\\\\\");\n    }\n}\n\nfn close_hyperlink(writer: &mut impl Write, active: &mut Option<String>) {\n    if active.take().is_some() {\n        let _ = writer.write_all(b\"\\x1b]8;;\\x1b\\\\\");\n    }\n}\n\nfn write_cell(\n    writer: &mut impl Write,\n    cursor_position: Option<(u16, u16)>,\n    cell: &CellData,\n    last_sgr: &mut String,\n    active_hyperlink: &mut Option<String>,\n    frame: &FrameData,\n) {\n    if cell.skip {\n        return;\n    }\n\n    if let Some(position) = cursor_position {\n        write_cursor_position(writer, position);\n    }\n\n    let sgr = build_sgr(cell.fg, cell.bg, cell.modifier);\n    if sgr != *last_sgr {\n        let _ = writer.write_all(sgr.as_bytes());\n        *last_sgr = sgr;\n    }\n\n    write_hyperlink_if_changed(writer, active_hyperlink, cell_hyperlink_uri(frame, cell));\n    let _ = writer.write_all(cell.symbol.as_bytes());\n}\n\n/// Writes only the cells that changed between the previous and current frame.\nfn cells_visually_equal(\n    sanitized_hyperlinks: &[Option<String>],\n    cell: &CellData,\n    prev_sanitized_hyperlinks: &[Option<String>],\n    prev_cell: &CellData,\n) -> bool {\n    cell.symbol == prev_cell.symbol\n        && cell.fg == prev_cell.fg\n        && cell.bg == prev_cell.bg\n        && cell.modifier == prev_cell.modifier\n        && sanitized_cell_hyperlink_uri(sanitized_hyperlinks, cell)\n            == sanitized_cell_hyperlink_uri(prev_sanitized_hyperlinks, prev_cell)\n    // Skip flag is only for ratatui internal use, not visual.\n}\n\nfn write_changed_cells(writer: &mut impl Write, frame: &FrameData, prev: &FrameData) {\n    let mut last_sgr = String::new(); // Track last SGR to avoid redundant style changes.\n    let mut active_hyperlink = None;\n    let sanitized_hyperlinks = sanitized_frame_hyperlinks(frame);\n    let prev_sanitized_hyperlinks = sanitized_frame_hyperlinks(prev);\n\n    for row in 0..frame.height {\n        let mut invalidated = 0usize;\n        let mut to_skip = 0usize;\n        // Herdr clients disable host autowrap, so safe cells can advance inline\n        // without spilling into adjacent rows during a resize race.\n        let mut next_inline_col = None;\n\n        for col in 0..frame.width {\n            let idx = (row as usize) * (frame.width as usize) + (col as usize);\n            let cell = &frame.cells[idx];\n            let prev_cell = &prev.cells[idx];\n\n            if !cell.skip\n                && (!cells_visually_equal(\n                    &sanitized_hyperlinks,\n                    cell,\n                    &prev_sanitized_hyperlinks,\n                    prev_cell,\n                ) || invalidated > 0)\n                && to_skip == 0\n            {\n                let cursor_position =\n                    (next_inline_col != Some(col) || invalidated > 0).then_some((col, row));\n                write_cell(\n                    writer,\n                    cursor_position,\n                    cell,\n                    &mut last_sgr,\n                    &mut active_hyperlink,\n                    frame,\n                );\n                next_inline_col = (cell.symbol.is_ascii() && cell_width(cell) == 1)\n                    .then_some(col.saturating_add(1));\n            }\n\n            to_skip = cell_width(cell).saturating_sub(1);\n            let affected_width = cmp::max(cell_width(cell), cell_width(prev_cell));\n            invalidated = cmp::max(affected_width, invalidated).saturating_sub(1);\n        }\n    }\n\n    close_hyperlink(writer, &mut active_hyperlink);\n\n    // Reset style if we wrote anything.\n    if !last_sgr.is_empty() {\n…\n    }\n}","startLine":398,"lineNumbers":[398,399,400,401,402,403,404,405,406,407,408,409,410,411,412,413,414,415,416,417,418,419,420,421,422,423,424,425,426,427,428,429,430,431,432,433,434,435,436,437,438,439,440,441,442,443,444,445,446,447,448,449,450,451,452,453,454,455,456,457,458,459,460,461,462,463,464,465,466,467,468,469,470,471,472,473,474,475,476,477,478,479,480,null,564,null,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,null,777,778]},"meta":{"source":{"type":"path","value":"C:/Windows/Temp/librarian-herdr/src/protocol/render_ansi.rs"}}},"isError":false,"timestamp":1784365534282}}
{"type":"message","id":"7a940c90","parentId":"ae3dae42","timestamp":"2026-07-18T09:05:34.288Z","message":{"role":"toolResult","toolCallId":"call_gd58WyGCFE5n3Ox1rJRMpAtQ|fc_0784f445f025ad6b016a5b41de263c819a887aa3f8b811be7f","toolName":"grep","content":[{"type":"text","text":"# C:/Windows/Temp/librarian-herdr/src/\n## main.rs\n 767|        let _ = pop_keyboard_enhancement_flags();\n*768|        ratatui::restore();\n 769|        original_hook(info);\n 770|    }));\n 771|\n...\n 833|        set_host_color_scheme_reports(false)?;\n*834|        ratatui::restore();\n 835|\n 836|        // Drop app (and all workspaces/panes) before runtime shuts down\n 837|        drop(app);\n\n## client/\n### mod.rs\n 32|use crossterm::execute;\n*33|use crossterm::terminal::{DisableLineWrap, EnableLineWrap};\n 34|use interprocess::local_socket::traits::Stream as _;\n 35|use interprocess::TryClone as _;\n 36|use tracing::{debug, info, warn};\n...\n 422|/// Guard that restores the terminal when dropped.\n*423|struct TerminalGuard {\n 424|    reset_modify_other_keys: bool,\n 425|    reset_host_color_scheme_reports: bool,\n 426|    #[cfg(windows)]\n...\n 581|        io::stdout(),\n*582|        EnableLineWrap,\n 583|        DisableFocusChange,\n 584|        DisableBracketedPaste,\n 585|        DisableMouseCapture\n...\n 592|\n*593|    ratatui::restore();\n 594|    let _ = write_terminal_restore_postlude(&mut io::stdout(), reset_host_color_scheme_reports);\n 595|\n 596|    #[cfg(windows)]\n...\n 643|\n*644|impl Drop for TerminalGuard {\n 645|    fn drop(&mut self) {\n 646|        restore_terminal_state(\n 647|            self.reset_modify_other_keys,"}],"details":{"scopePath":"C:/Windows/Temp/librarian-herdr/src/client/mod.rs, C:/Windows/Temp/librarian-herdr/src/main.rs","searchPath":"C:\\Windows\\Temp\\librarian-herdr\\src","cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core","matchCount":7,"fileCount":2,"files":["C:/Windows/Temp/librarian-herdr/src/client/mod.rs","C:/Windows/Temp/librarian-herdr/src/main.rs"],"fileMatches":[{"path":"C:/Windows/Temp/librarian-herdr/src/client/mod.rs","count":5},{"path":"C:/Windows/Temp/librarian-herdr/src/main.rs","count":2}],"truncated":false,"displayContent":"# C:/Windows/Temp/librarian-herdr/src/\n## main.rs\n 767│        let _ = pop_keyboard_enhancement_flags();\n*768│        ratatui::restore();\n 769│        original_hook(info);\n 770│    }));\n 771│\n    │...\n 833│        set_host_color_scheme_reports(false)?;\n*834│        ratatui::restore();\n 835│\n 836│        // Drop app (and all workspaces/panes) before runtime shuts down\n 837│        drop(app);\n\n## client/\n### mod.rs\n  32│use crossterm::execute;\n *33│use crossterm::terminal::{DisableLineWrap, EnableLineWrap};\n  34│use interprocess::local_socket::traits::Stream as _;\n  35│use interprocess::TryClone as _;\n  36│use tracing::{debug, info, warn};\n    │...\n 422│/// Guard that restores the terminal when dropped.\n*423│struct TerminalGuard {\n 424│    reset_modify_other_keys: bool,\n 425│    reset_host_color_scheme_reports: bool,\n 426│    #[cfg(windows)]\n    │...\n 581│        io::stdout(),\n*582│        EnableLineWrap,\n 583│        DisableFocusChange,\n 584│        DisableBracketedPaste,\n 585│        DisableMouseCapture\n    │...\n 592│\n*593│    ratatui::restore();\n 594│    let _ = write_terminal_restore_postlude(&mut io::stdout(), reset_host_color_scheme_reports);\n 595│\n 596│    #[cfg(windows)]\n    │...\n 643│\n*644│impl Drop for TerminalGuard {\n 645│    fn drop(&mut self) {\n 646│        restore_terminal_state(\n 647│            self.reset_modify_other_keys,"},"isError":false,"timestamp":1784365534288}}
{"type":"message","id":"2a168830","parentId":"7a940c90","timestamp":"2026-07-18T09:05:37.444Z","message":{"role":"toolResult","toolCallId":"call_PdHluLybeVgN8Y6SptAqb3ad|fc_0784f445f025ad6b016a5b41de264c819ab8cc1cbc5aabaf53","toolName":"grep","content":[{"type":"text","text":"# C:/Windows/Temp/librarian-herdr/src/\n## main.rs\n 767|        let _ = pop_keyboard_enhancement_flags();\n*768|        ratatui::restore();\n 769|        original_hook(info);\n 770|    }));\n 771|\n...\n 785|    let result = rt.block_on(async {\n*786|        let mut terminal = ratatui::init();\n 787|        crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout())?;\n 788|        if config.ui.mouse_capture {\n 789|            execute!(io::stdout(), EnableMouseCapture)?;\n...\n 833|        set_host_color_scheme_reports(false)?;\n*834|        ratatui::restore();\n 835|\n 836|        // Drop app (and all workspaces/panes) before runtime shuts down\n 837|        drop(app);\n\n## client/\n### mod.rs\n 350|) -> io::Result<TerminalGuard> {\n*351|    ratatui::init();\n 352|    crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout())?;\n 353|    let host_color_scheme_reports =\n 354|        should_enable_host_color_scheme_reports(enable_client_protocols);\n...\n 592|\n*593|    ratatui::restore();\n 594|    let _ = write_terminal_restore_postlude(&mut io::stdout(), reset_host_color_scheme_reports);\n 595|\n 596|    #[cfg(windows)]"}],"details":{"scopePath":"C:/Windows/Temp/librarian-herdr/src, C:/Windows/Temp/librarian-herdr/vendor","searchPath":"C:\\Windows\\Temp\\librarian-herdr","cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core","matchCount":5,"fileCount":2,"files":["C:/Windows/Temp/librarian-herdr/src/client/mod.rs","C:/Windows/Temp/librarian-herdr/src/main.rs"],"fileMatches":[{"path":"C:/Windows/Temp/librarian-herdr/src/client/mod.rs","count":2},{"path":"C:/Windows/Temp/librarian-herdr/src/main.rs","count":3}],"truncated":false,"displayContent":"# C:/Windows/Temp/librarian-herdr/src/\n## main.rs\n 767│        let _ = pop_keyboard_enhancement_flags();\n*768│        ratatui::restore();\n 769│        original_hook(info);\n 770│    }));\n 771│\n    │...\n 785│    let result = rt.block_on(async {\n*786│        let mut terminal = ratatui::init();\n 787│        crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout())?;\n 788│        if config.ui.mouse_capture {\n 789│            execute!(io::stdout(), EnableMouseCapture)?;\n    │...\n 833│        set_host_color_scheme_reports(false)?;\n*834│        ratatui::restore();\n 835│\n 836│        // Drop app (and all workspaces/panes) before runtime shuts down\n 837│        drop(app);\n\n## client/\n### mod.rs\n 350│) -> io::Result<TerminalGuard> {\n*351│    ratatui::init();\n 352│    crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout())?;\n 353│    let host_color_scheme_reports =\n 354│        should_enable_host_color_scheme_reports(enable_client_protocols);\n    │...\n 592│\n*593│    ratatui::restore();\n 594│    let _ = write_terminal_restore_postlude(&mut io::stdout(), reset_host_color_scheme_reports);\n 595│\n 596│    #[cfg(windows)]"},"isError":false,"timestamp":1784365537443}}
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{"type":"custom","customType":"tool_execution_start","data":{"toolCallId":"call_SehcuhbjKUFaRJA1cETcHZ8v|fc_0784f445f025ad6b016a5b41e83f04819ab936efa184dcf167","toolName":"grep","startedAt":"2026-07-18T09:05:44.318Z","args":{"path":"C:/Windows/Temp/librarian-herdr/src/server/render_stream.rs; C:/Windows/Temp/librarian-herdr/src/protocol/wire.rs"},"intent":"Finding frame cell conversion"},"id":"ea404bd1","parentId":"e74c37c4","timestamp":"2026-07-18T09:05:44.318Z"}
{"type":"message","id":"2db9c510","parentId":"ea404bd1","timestamp":"2026-07-18T09:05:44.335Z","message":{"role":"toolResult","toolCallId":"call_OvcYBge24WwtGJ1A4y2lyoO3|fc_0784f445f025ad6b016a5b41e83f00819abc4ce2176076eb4d","toolName":"read","content":[{"type":"text","text":"            #[cfg(windows)]\n            ClientLoopEvent::StdinEvents(events) => {\n                if state.attach_escape.is_some() {\n…\n                }\n                let raw_events = events\n                    .iter()\n                    .map(crate::protocol::ClientInputEvent::to_raw_input_event)\n                    .collect::<Vec<_>>();\n                if crate::raw_input::events_require_host_surface_redraw(\n                    &raw_events,\n                    state.redraw_on_focus_gained,\n                ) {\n                    state.request_full_redraw();\n                }\n                let msg = ClientMessage::InputEvents { events };\n                if let Err(e) = write_to_server(&mut write_stream, &msg) {\n                    return Err(ClientError::ConnectionLost(e));\n                }\n            }\n            ClientLoopEvent::Resize(new_cols, new_rows, cell_width_px, cell_height_px) => {\n                state.reported_size = (new_cols, new_rows);\n                let msg = ClientMessage::Resize {\n                    cols: new_cols,\n                    rows: new_rows,\n                    cell_width_px,\n                    cell_height_px,\n                };\n                if let Err(e) = write_to_server(&mut write_stream, &msg) {\n                    return Err(ClientError::ConnectionLost(e));\n                }\n            }\n            ClientLoopEvent::ServerMessage(msg) => match msg {\n                ServerMessage::Frame(frame_data) => {\n                    let frame_data = if state.draw_host_cursor {\n                        render_ansi::frame_with_drawn_cursor(frame_data)\n                    } else {\n                        frame_data\n                    };\n                    let encoded = if state.draw_host_cursor {\n                        state\n                            .blit_encoder\n                            .encode_with_suppressed_visible_cursor(&frame_data, false)\n                    } else {\n                        state.blit_encoder.encode(&frame_data, false)\n                    };\n                    let mut stdout = io::stdout();\n                    let graphics = if state.kitty_graphics_enabled {\n                        frame_data.graphics.as_slice()\n                    } else {\n                        &[]\n                    };\n                    let _ =\n                        write_encoded_frame_with_graphics(&mut stdout, &encoded.bytes, graphics);\n                    let _ = stdout.flush();\n                    state.blit_encoder.commit(frame_data, encoded);\n                }\n                ServerMessage::Terminal(frame) => {\n                    if state.kitty_graphics_enabled && contains_kitty_graphics_bytes(&frame.bytes) {\n                        record_received_kitty_graphics(&frame.bytes);\n                    }\n                    let mut stdout = io::stdout();\n                    let _ = stdout.write_all(&frame.bytes);\n                    let _ = stdout.flush();\n                }\n                ServerMessage::Graphics { bytes } => {\n                    if state.kitty_graphics_enabled {\n                        record_received_kitty_graphics(&bytes);\n                        let mut stdout = io::stdout();\n                        let _ = stdout.write_all(&bytes);\n                        let _ = stdout.flush();\n                    }\n                }\n                ServerMessage::ServerShutdown { reason } => {\n                    return Err(ClientError::ServerShutdown { reason });\n                }\n                ServerMessage::Notify {\n                    kind,\n                    message,\n                    body,\n                } => {\n…\n                }\n…\n            },\n…\nfn current_terminal_geometry(kitty_graphics_enabled: bool) -> (u16, u16, u32, u32) {\n…\n    (\n        cols,\n        rows,\n        (size.width as u32 / size.columns as u32).max(1),\n        (size.height as u32 / size.rows as u32).max(1),\n    )\n}\n\n/// Polls the terminal size and sends resize events when it changes.\nfn resize_poll_loop(\n    resize_tx: tokio::sync::mpsc::Sender<ClientLoopEvent>,\n    initial_cols: u16,\n    initial_rows: u16,\n    kitty_graphics_enabled: bool,\n    should_quit: &Arc<AtomicBool>,\n) {\n    let (_, _, initial_cell_width, initial_cell_height) =\n        current_terminal_geometry(kitty_graphics_enabled);\n    let mut last_size = (\n        initial_cols,\n        initial_rows,\n        initial_cell_width,\n        initial_cell_height,\n    );\n    while !should_quit.load(Ordering::Acquire) {\n        std::thread::sleep(Duration::from_millis(100));\n        let new_size = current_terminal_geometry(kitty_graphics_enabled);\n        if new_size != last_size {\n            last_size = new_size;\n            if resize_tx\n                .blocking_send(ClientLoopEvent::Resize(\n                    new_size.0, new_size.1, new_size.2, new_size.3,\n                ))\n                .is_err()\n            {\n                break; // Main loop gone.\n            }\n        }\n    }\n}\n\n// ---------------------------------------------------------------------------\n// Logging\n// ---------------------------------------------------------------------------\n\n/// Initialize logging for the client process.\nfn query_host_terminal_theme() {\n    let _ = write_host_terminal_theme_query(io::stdout());\n}\n\nfn should_query_host_terminal_theme() -> bool {\n…\n}"}],"details":{"displayContent":{"text":"            #[cfg(windows)]\n            ClientLoopEvent::StdinEvents(events) => {\n                if state.attach_escape.is_some() {\n…\n                }\n                let raw_events = events\n                    .iter()\n                    .map(crate::protocol::ClientInputEvent::to_raw_input_event)\n                    .collect::<Vec<_>>();\n                if crate::raw_input::events_require_host_surface_redraw(\n                    &raw_events,\n                    state.redraw_on_focus_gained,\n                ) {\n                    state.request_full_redraw();\n                }\n                let msg = ClientMessage::InputEvents { events };\n                if let Err(e) = write_to_server(&mut write_stream, &msg) {\n                    return Err(ClientError::ConnectionLost(e));\n                }\n            }\n            ClientLoopEvent::Resize(new_cols, new_rows, cell_width_px, cell_height_px) => {\n                state.reported_size = (new_cols, new_rows);\n                let msg = ClientMessage::Resize {\n                    cols: new_cols,\n                    rows: new_rows,\n                    cell_width_px,\n                    cell_height_px,\n                };\n                if let Err(e) = write_to_server(&mut write_stream, &msg) {\n                    return Err(ClientError::ConnectionLost(e));\n                }\n            }\n            ClientLoopEvent::ServerMessage(msg) => match msg {\n                ServerMessage::Frame(frame_data) => {\n                    let frame_data = if state.draw_host_cursor {\n                        render_ansi::frame_with_drawn_cursor(frame_data)\n                    } else {\n                        frame_data\n                    };\n                    let encoded = if state.draw_host_cursor {\n                        state\n                            .blit_encoder\n                            .encode_with_suppressed_visible_cursor(&frame_data, false)\n                    } else {\n                        state.blit_encoder.encode(&frame_data, false)\n                    };\n                    let mut stdout = io::stdout();\n                    let graphics = if state.kitty_graphics_enabled {\n                        frame_data.graphics.as_slice()\n                    } else {\n                        &[]\n                    };\n                    let _ =\n                        write_encoded_frame_with_graphics(&mut stdout, &encoded.bytes, graphics);\n                    let _ = stdout.flush();\n                    state.blit_encoder.commit(frame_data, encoded);\n                }\n                ServerMessage::Terminal(frame) => {\n                    if state.kitty_graphics_enabled && contains_kitty_graphics_bytes(&frame.bytes) {\n                        record_received_kitty_graphics(&frame.bytes);\n                    }\n                    let mut stdout = io::stdout();\n                    let _ = stdout.write_all(&frame.bytes);\n                    let _ = stdout.flush();\n                }\n                ServerMessage::Graphics { bytes } => {\n                    if state.kitty_graphics_enabled {\n                        record_received_kitty_graphics(&bytes);\n                        let mut stdout = io::stdout();\n                        let _ = stdout.write_all(&bytes);\n                        let _ = stdout.flush();\n                    }\n                }\n                ServerMessage::ServerShutdown { reason } => {\n                    return Err(ClientError::ServerShutdown { reason });\n                }\n                ServerMessage::Notify {\n                    kind,\n                    message,\n                    body,\n                } => {\n…\n                }\n…\n            },\n…\nfn current_terminal_geometry(kitty_graphics_enabled: bool) -> (u16, u16, u32, u32) {\n…\n    (\n        cols,\n        rows,\n        (size.width as u32 / size.columns as u32).max(1),\n        (size.height as u32 / size.rows as u32).max(1),\n    )\n}\n\n/// Polls the terminal size and sends resize events when it changes.\nfn resize_poll_loop(\n    resize_tx: tokio::sync::mpsc::Sender<ClientLoopEvent>,\n    initial_cols: u16,\n    initial_rows: u16,\n    kitty_graphics_enabled: bool,\n    should_quit: &Arc<AtomicBool>,\n) {\n    let (_, _, initial_cell_width, initial_cell_height) =\n        current_terminal_geometry(kitty_graphics_enabled);\n    let mut last_size = (\n        initial_cols,\n        initial_rows,\n        initial_cell_width,\n        initial_cell_height,\n    );\n    while !should_quit.load(Ordering::Acquire) {\n        std::thread::sleep(Duration::from_millis(100));\n        let new_size = current_terminal_geometry(kitty_graphics_enabled);\n        if new_size != last_size {\n            last_size = new_size;\n            if resize_tx\n                .blocking_send(ClientLoopEvent::Resize(\n                    new_size.0, new_size.1, new_size.2, new_size.3,\n                ))\n                .is_err()\n            {\n                break; // Main loop gone.\n            }\n        }\n    }\n}\n\n// ---------------------------------------------------------------------------\n// Logging\n// ---------------------------------------------------------------------------\n\n/// Initialize logging for the client process.\nfn query_host_terminal_theme() {\n    let _ = write_host_terminal_theme_query(io::stdout());\n}\n\nfn should_query_host_terminal_theme() -> bool {\n…\n}","startLine":1476,"lineNumbers":[1476,1477,1478,null,1480,1481,1482,1483,1484,1485,1486,1487,1488,1489,1490,1491,1492,1493,1494,1495,1496,1497,1498,1499,1500,1501,1502,1503,1504,1505,1506,1507,1508,1509,1510,1511,1512,1513,1514,1515,1516,1517,1518,1519,1520,1521,1522,1523,1524,1525,1526,1527,1528,1529,1530,1531,1532,1533,1534,1535,1536,1537,1538,1539,1540,1541,1542,1543,1544,1545,1546,1547,1548,1549,1550,1551,1552,1553,1554,1555,1556,null,1558,null,1598,null,2059,null,2070,2071,2072,2073,2074,2075,2076,2077,2078,2079,2080,2081,2082,2083,2084,2085,2086,2087,2088,2089,2090,2091,2092,2093,2094,2095,2096,2097,2098,2099,2100,2101,2102,2103,2104,2105,2106,2107,2108,2109,2110,2111,2112,2113,2114,2115,2116,2117,2118,2119,2120,null,2122]},"meta":{"source":{"type":"path","value":"C:/Windows/Temp/librarian-herdr/src/client/mod.rs"}}},"isError":false,"timestamp":1784365544335}}
{"type":"message","id":"42b148e8","parentId":"2db9c510","timestamp":"2026-07-18T09:05:44.340Z","message":{"role":"toolResult","toolCallId":"call_SehcuhbjKUFaRJA1cETcHZ8v|fc_0784f445f025ad6b016a5b41e83f04819ab936efa184dcf167","toolName":"grep","content":[{"type":"text","text":"# C:/Windows/Temp/librarian-herdr/src/protocol/\n## wire.rs\n 421|#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]\n*422|pub struct CellData {\n 423|    /// Grapheme cluster displayed in this cell (usually 1–2 chars).\n*424|    pub symbol: String,\n 425|    /// Foreground color as a packed u32 (0xAARRGGBB or ratatui Color index).\n 426|    pub fg: u32,\n 427|    /// Background color as a packed u32.\n...\n 459|#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]\n*460|pub struct FrameData {\n 461|    /// Cells in row-major order. Length must equal `width * height`.\n*462|    pub cells: Vec<CellData>,\n 463|    /// Frame width in columns.\n 464|    pub width: u16,\n 465|    /// Frame height in rows.\n...\n 474|\n*475|impl FrameData {\n 476|    /// Creates a `FrameData` from a ratatui `Buffer` and optional cursor.\n 477|    ///\n 478|    /// This converts ratatui's internal cell representation into the\n...\n 519|                    });\n*520|                cells.push(CellData {\n*521|                    symbol: cell.symbol().to_owned(),\n 522|                    fg: color_to_u32(cell.fg),\n 523|                    bg: color_to_u32(cell.bg),\n 524|                    modifier: modifier_to_u16(cell.modifier),\n...\n 530|\n*531|        FrameData {\n 532|            cells,\n 533|            width,\n 534|            height,\n...\n 1242|        // Build a 3×2 frame with varied styles (≥2×2).\n*1243|        let frame = FrameData {\n*1244|            cells: vec![\n*1245|                CellData {\n*1246|                    symbol: \"H\".into(),\n 1247|                    fg: color_to_u32(Color::Red),\n 1248|                    bg: color_to_u32(Color::Black),\n 1249|                    modifier: Modifier::BOLD.bits(),\n...\n 1252|                },\n*1253|                CellData {\n*1254|                    symbol: \"i\".into(),\n 1255|                    fg: color_to_u32(Color::Green),\n 1256|                    bg: color_to_u32(Color::Reset),\n 1257|                    modifier: Modifier::ITALIC.bits(),\n...\n 1260|                },\n*1261|                CellData {\n*1262|                    symbol: \"!\".into(),\n 1263|                    fg: color_to_u32(Color::Rgb(255, 128, 0)),\n 1264|                    bg: color_to_u32(Color::Indexed(220)),\n 1265|                    modifier: (Modifier::BOLD | Modifier::UNDERLINED).bits(),\n...\n 1268|                },\n*1269|                CellData {\n*1270|                    symbol: \" \".into(),\n 1271|                    fg: color_to_u32(Color::Reset),\n 1272|                    bg: color_to_u32(Color::Reset),\n 1273|                    modifier: Modifier::empty().bits(),\n...\n 1276|                },\n*1277|                CellData {\n*1278|                    symbol: \"→\".into(), // multi-byte grapheme\n 1279|                    fg: color_to_u32(Color::Cyan),\n 1280|                    bg: color_to_u32(Color::Blue),\n 1281|                    modifier: Modifier::REVERSED.bits(),"}],"details":{"scopePath":"C:/Windows/Temp/librarian-herdr/src/server/render_stream.rs, C:/Windows/Temp/librarian-herdr/src/protocol/wire.rs","searchPath":"C:\\Windows\\Temp\\librarian-herdr\\src","cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core","matchCount":20,"fileCount":1,"files":["C:/Windows/Temp/librarian-herdr/src/protocol/wire.rs"],"fileMatches":[{"path":"C:/Windows/Temp/librarian-herdr/src/protocol/wire.rs","count":20}],"truncated":true,"perFileLimitReached":20,"displayContent":"# C:/Windows/Temp/librarian-herdr/src/protocol/\n## wire.rs\n  421│#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]\n *422│pub struct CellData {\n  423│    /// Grapheme cluster displayed in this cell (usually 1–2 chars).\n *424│    pub symbol: String,\n  425│    /// Foreground color as a packed u32 (0xAARRGGBB or ratatui Color index).\n  426│    pub fg: u32,\n  427│    /// Background color as a packed u32.\n     │...\n  459│#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]\n *460│pub struct FrameData {\n  461│    /// Cells in row-major order. Length must equal `width * height`.\n *462│    pub cells: Vec<CellData>,\n  463│    /// Frame width in columns.\n  464│    pub width: u16,\n  465│    /// Frame height in rows.\n     │...\n  474│\n *475│impl FrameData {\n  476│    /// Creates a `FrameData` from a ratatui `Buffer` and optional cursor.\n  477│    ///\n  478│    /// This converts ratatui's internal cell representation into the\n     │...\n  519│                    });\n *520│                cells.push(CellData {\n *521│                    symbol: cell.symbol().to_owned(),\n  522│                    fg: color_to_u32(cell.fg),\n  523│                    bg: color_to_u32(cell.bg),\n  524│                    modifier: modifier_to_u16(cell.modifier),\n     │...\n  530│\n *531│        FrameData {\n  532│            cells,\n  533│            width,\n  534│            height,\n     │...\n 1242│        // Build a 3×2 frame with varied styles (≥2×2).\n*1243│        let frame = FrameData {\n*1244│            cells: vec![\n*1245│                CellData {\n*1246│                    symbol: \"H\".into(),\n 1247│                    fg: color_to_u32(Color::Red),\n 1248│                    bg: color_to_u32(Color::Black),\n 1249│                    modifier: Modifier::BOLD.bits(),\n     │...\n 1252│                },\n*1253│                CellData {\n*1254│                    symbol: \"i\".into(),\n 1255│                    fg: color_to_u32(Color::Green),\n 1256│                    bg: color_to_u32(Color::Reset),\n 1257│                    modifier: Modifier::ITALIC.bits(),\n     │...\n 1260│                },\n*1261│                CellData {\n*1262│                    symbol: \"!\".into(),\n 1263│                    fg: color_to_u32(Color::Rgb(255, 128, 0)),\n 1264│                    bg: color_to_u32(Color::Indexed(220)),\n 1265│                    modifier: (Modifier::BOLD | Modifier::UNDERLINED).bits(),\n     │...\n 1268│                },\n*1269│                CellData {\n*1270│                    symbol: \" \".into(),\n 1271│                    fg: color_to_u32(Color::Reset),\n 1272│                    bg: color_to_u32(Color::Reset),\n 1273│                    modifier: Modifier::empty().bits(),\n     │...\n 1276│                },\n*1277│                CellData {\n*1278│                    symbol: \"→\".into(), // multi-byte grapheme\n 1279│                    fg: color_to_u32(Color::Cyan),\n 1280│                    bg: color_to_u32(Color::Blue),\n 1281│                    modifier: Modifier::REVERSED.bits(),"},"isError":false,"timestamp":1784365544340}}
{"type":"message","id":"51aa3d32","parentId":"42b148e8","timestamp":"2026-07-18T09:05:44.344Z","message":{"role":"toolResult","toolCallId":"call_bAbNWD2IlQDsbQQ3sqEs5fYT|fc_0784f445f025ad6b016a5b41e83ef8819ab5bbce53e10b838d","toolName":"read","content":[{"type":"text","text":"fn main() -> io::Result<()> {\n…\n    let _api_server = match api::start_server_with_capabilities(api_tx, event_hub.clone(), None) {\n…\n        Err(err) if err.kind() == io::ErrorKind::AddrInUse => {\n            eprintln!(\"error: herdr is already running\");\n            eprintln!(\"socket: {}\", api::socket_path().display());\n            std::process::exit(1);\n        }\n        Err(err) => return Err(err),\n    };\n\n    let modify_other_keys_mode = crate::input::host_modify_other_keys_mode();\n\n    let original_hook = std::panic::take_hook();\n    let panic_resets_modify_other_keys = modify_other_keys_mode.is_some();\n    std::panic::set_hook(Box::new(move |info| {\n        tracing::error!(\"PANIC: {info}\");\n        if panic_resets_modify_other_keys {\n            let _ = std::io::Write::write_all(&mut io::stdout(), b\"\\x1b[>4;0m\");\n        }\n        if crate::kitty_graphics::is_enabled() {\n            let _ = crate::kitty_graphics::clear_all_host_graphics();\n        }\n        let _ = execute!(\n            io::stdout(),\n            DisableFocusChange,\n            DisableBracketedPaste,\n            DisableMouseCapture\n        );\n        let _ = crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout());\n        let _ = set_host_color_scheme_reports(false);\n        let _ = pop_keyboard_enhancement_flags();\n        ratatui::restore();\n        original_hook(info);\n    }));\n\n    let config = &loaded_config.config;\n    let config_diagnostic = config::config_diagnostic_summary(&loaded_config.diagnostics);\n    logging::startup(\"app\");\n\n    // Background update check (non-blocking, best-effort)\n    // Only checks for newer versions and notifies the TUI.\n    // Skipped in --no-session mode (testing).\n\n    let rt = tokio::runtime::Builder::new_multi_thread()\n        .enable_all()\n        .build()\n        .expect(\"failed to create tokio runtime\");\n\n    let result = rt.block_on(async {\n        let mut terminal = ratatui::init();\n        crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout())?;\n        if config.ui.mouse_capture {\n            execute!(io::stdout(), EnableMouseCapture)?;\n        } else {\n            execute!(io::stdout(), DisableMouseCapture)?;\n        }\n        execute!(io::stdout(), EnableBracketedPaste, EnableFocusChange)?;\n        set_host_color_scheme_reports(true)?;\n        push_keyboard_enhancement_flags()?;\n\n        // Some hosts do not honor Kitty keyboard enhancement pushes for\n        // Shift+Enter. Enable xterm modifyOtherKeys only on hosts where we\n        // know it is needed and parseable, so modified Enter stays distinct.\n        if let Some(mode) = modify_other_keys_mode {\n            use std::io::Write;\n            std::io::stdout().write_all(mode.set_sequence())?;\n            std::io::stdout().flush()?;\n        }\n\n        let mut app = app::App::new(\n            config,\n            true, // no_session — monolithic mode never saves/restores sessions\n            config_diagnostic,\n            api_rx,\n            event_hub,\n        );\n        let result = app.run(&mut terminal).await;\n\n        // Reset modifyOtherKeys if we enabled it.\n        if modify_other_keys_mode.is_some() {\n            use std::io::Write;\n            std::io::stdout().write_all(b\"\\x1b[>4;0m\")?;\n            std::io::stdout().flush()?;\n        }\n\n        if crate::kitty_graphics::is_enabled() {\n            crate::kitty_graphics::clear_all_host_graphics()?;\n        }\n        pop_keyboard_enhancement_flags()?;\n        execute!(\n            io::stdout(),\n            DisableFocusChange,\n            DisableBracketedPaste,\n            DisableMouseCapture\n        )?;\n        crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout())?;\n        set_host_color_scheme_reports(false)?;\n        ratatui::restore();\n\n        // Drop app (and all workspaces/panes) before runtime shuts down\n        drop(app);\n\n        result\n    });\n\n    // Shut down runtime immediately — kills lingering PTY reader/writer tasks\n    rt.shutdown_timeout(std::time::Duration::from_millis(100));\n\n    logging::shutdown(\"app\");\n    result\n}\n\n\n[Showing lines 739-848 of 885. Use :849 to continue]"}],"details":{"truncation":{"content":"        Err(err) if err.kind() == io::ErrorKind::AddrInUse => {\r\n            eprintln!(\"error: herdr is already running\");\r\n            eprintln!(\"socket: {}\", api::socket_path().display());\r\n            std::process::exit(1);\r\n        }\r\n        Err(err) => return Err(err),\r\n    };\r\n\r\n    let modify_other_keys_mode = crate::input::host_modify_other_keys_mode();\r\n\r\n    let original_hook = std::panic::take_hook();\r\n    let panic_resets_modify_other_keys = modify_other_keys_mode.is_some();\r\n    std::panic::set_hook(Box::new(move |info| {\r\n        tracing::error!(\"PANIC: {info}\");\r\n        if panic_resets_modify_other_keys {\r\n            let _ = std::io::Write::write_all(&mut io::stdout(), b\"\\x1b[>4;0m\");\r\n        }\r\n        if crate::kitty_graphics::is_enabled() {\r\n            let _ = crate::kitty_graphics::clear_all_host_graphics();\r\n        }\r\n        let _ = execute!(\r\n            io::stdout(),\r\n            DisableFocusChange,\r\n            DisableBracketedPaste,\r\n            DisableMouseCapture\r\n        );\r\n        let _ = crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout());\r\n        let _ = set_host_color_scheme_reports(false);\r\n        let _ = pop_keyboard_enhancement_flags();\r\n        ratatui::restore();\r\n        original_hook(info);\r\n    }));\r\n\r\n    let config = &loaded_config.config;\r\n    let config_diagnostic = config::config_diagnostic_summary(&loaded_config.diagnostics);\r\n    logging::startup(\"app\");\r\n\r\n    // Background update check (non-blocking, best-effort)\r\n    // Only checks for newer versions and notifies the TUI.\r\n    // Skipped in --no-session mode (testing).\r\n\r\n    let rt = tokio::runtime::Builder::new_multi_thread()\r\n        .enable_all()\r\n        .build()\r\n        .expect(\"failed to create tokio runtime\");\r\n\r\n    let result = rt.block_on(async {\r\n        let mut terminal = ratatui::init();\r\n        crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout())?;\r\n        if config.ui.mouse_capture {\r\n            execute!(io::stdout(), EnableMouseCapture)?;\r\n        } else {\r\n            execute!(io::stdout(), DisableMouseCapture)?;\r\n        }\r\n        execute!(io::stdout(), EnableBracketedPaste, EnableFocusChange)?;\r\n        set_host_color_scheme_reports(true)?;\r\n        push_keyboard_enhancement_flags()?;\r\n\r\n        // Some hosts do not honor Kitty keyboard enhancement pushes for\r\n        // Shift+Enter. Enable xterm modifyOtherKeys only on hosts where we\r\n        // know it is needed and parseable, so modified Enter stays distinct.\r\n        if let Some(mode) = modify_other_keys_mode {\r\n            use std::io::Write;\r\n            std::io::stdout().write_all(mode.set_sequence())?;\r\n            std::io::stdout().flush()?;\r\n        }\r\n\r\n        let mut app = app::App::new(\r\n            config,\r\n            true, // no_session — monolithic mode never saves/restores sessions\r\n            config_diagnostic,\r\n            api_rx,\r\n            event_hub,\r\n        );\r\n        let result = app.run(&mut terminal).await;\r\n\r\n        // Reset modifyOtherKeys if we enabled it.\r\n        if modify_other_keys_mode.is_some() {\r\n            use std::io::Write;\r\n            std::io::stdout().write_all(b\"\\x1b[>4;0m\")?;\r\n            std::io::stdout().flush()?;\r\n        }\r\n\r\n        if crate::kitty_graphics::is_enabled() {\r\n            crate::kitty_graphics::clear_all_host_graphics()?;\r\n        }\r\n        pop_keyboard_enhancement_flags()?;\r\n        execute!(\r\n            io::stdout(),\r\n            DisableFocusChange,\r\n            DisableBracketedPaste,\r\n            DisableMouseCapture\r\n        )?;\r\n        crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout())?;\r\n        set_host_color_scheme_reports(false)?;\r\n        ratatui::restore();\r\n\r\n        // Drop app (and all workspaces/panes) before runtime shuts down\r\n        drop(app);\r\n\r\n        result\r\n    });\r\n\r\n    // Shut down runtime immediately — kills lingering PTY reader/writer tasks\r\n    rt.shutdown_timeout(std::time::Duration::from_millis(100));\r\n\r\n    logging::shutdown(\"app\");\r\n    result\r\n}\r\n\r","truncated":true,"truncatedBy":"lines","totalLines":147,"totalBytes":4065,"outputLines":110,"outputBytes":4065,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"fn main() -> io::Result<()> {\n…\n    let _api_server = match api::start_server_with_capabilities(api_tx, event_hub.clone(), None) {\n…\n        Err(err) if err.kind() == io::ErrorKind::AddrInUse => {\r\n            eprintln!(\"error: herdr is already running\");\r\n            eprintln!(\"socket: {}\", api::socket_path().display());\r\n            std::process::exit(1);\r\n        }\r\n        Err(err) => return Err(err),\r\n    };\r\n\r\n    let modify_other_keys_mode = crate::input::host_modify_other_keys_mode();\r\n\r\n    let original_hook = std::panic::take_hook();\r\n    let panic_resets_modify_other_keys = modify_other_keys_mode.is_some();\r\n    std::panic::set_hook(Box::new(move |info| {\r\n        tracing::error!(\"PANIC: {info}\");\r\n        if panic_resets_modify_other_keys {\r\n            let _ = std::io::Write::write_all(&mut io::stdout(), b\"\\x1b[>4;0m\");\r\n        }\r\n        if crate::kitty_graphics::is_enabled() {\r\n            let _ = crate::kitty_graphics::clear_all_host_graphics();\r\n        }\r\n        let _ = execute!(\r\n            io::stdout(),\r\n            DisableFocusChange,\r\n            DisableBracketedPaste,\r\n            DisableMouseCapture\r\n        );\r\n        let _ = crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout());\r\n        let _ = set_host_color_scheme_reports(false);\r\n        let _ = pop_keyboard_enhancement_flags();\r\n        ratatui::restore();\r\n        original_hook(info);\r\n    }));\r\n\r\n    let config = &loaded_config.config;\r\n    let config_diagnostic = config::config_diagnostic_summary(&loaded_config.diagnostics);\r\n    logging::startup(\"app\");\r\n\r\n    // Background update check (non-blocking, best-effort)\r\n    // Only checks for newer versions and notifies the TUI.\r\n    // Skipped in --no-session mode (testing).\r\n\r\n    let rt = tokio::runtime::Builder::new_multi_thread()\r\n        .enable_all()\r\n        .build()\r\n        .expect(\"failed to create tokio runtime\");\r\n\r\n    let result = rt.block_on(async {\r\n        let mut terminal = ratatui::init();\r\n        crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout())?;\r\n        if config.ui.mouse_capture {\r\n            execute!(io::stdout(), EnableMouseCapture)?;\r\n        } else {\r\n            execute!(io::stdout(), DisableMouseCapture)?;\r\n        }\r\n        execute!(io::stdout(), EnableBracketedPaste, EnableFocusChange)?;\r\n        set_host_color_scheme_reports(true)?;\r\n        push_keyboard_enhancement_flags()?;\r\n\r\n        // Some hosts do not honor Kitty keyboard enhancement pushes for\r\n        // Shift+Enter. Enable xterm modifyOtherKeys only on hosts where we\r\n        // know it is needed and parseable, so modified Enter stays distinct.\r\n        if let Some(mode) = modify_other_keys_mode {\r\n            use std::io::Write;\r\n            std::io::stdout().write_all(mode.set_sequence())?;\r\n            std::io::stdout().flush()?;\r\n        }\r\n\r\n        let mut app = app::App::new(\r\n            config,\r\n            true, // no_session — monolithic mode never saves/restores sessions\r\n            config_diagnostic,\r\n            api_rx,\r\n            event_hub,\r\n        );\r\n        let result = app.run(&mut terminal).await;\r\n\r\n        // Reset modifyOtherKeys if we enabled it.\r\n        if modify_other_keys_mode.is_some() {\r\n            use std::io::Write;\r\n            std::io::stdout().write_all(b\"\\x1b[>4;0m\")?;\r\n            std::io::stdout().flush()?;\r\n        }\r\n\r\n        if crate::kitty_graphics::is_enabled() {\r\n            crate::kitty_graphics::clear_all_host_graphics()?;\r\n        }\r\n        pop_keyboard_enhancement_flags()?;\r\n        execute!(\r\n            io::stdout(),\r\n            DisableFocusChange,\r\n            DisableBracketedPaste,\r\n            DisableMouseCapture\r\n        )?;\r\n        crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout())?;\r\n        set_host_color_scheme_reports(false)?;\r\n        ratatui::restore();\r\n\r\n        // Drop app (and all workspaces/panes) before runtime shuts down\r\n        drop(app);\r\n\r\n        result\r\n    });\r\n\r\n    // Shut down runtime immediately — kills lingering PTY reader/writer tasks\r\n    rt.shutdown_timeout(std::time::Duration::from_millis(100));\r\n\r\n    logging::shutdown(\"app\");\r\n    result\r\n}\r\n\r","startLine":453,"lineNumbers":[453,null,737,null,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]},"meta":{"source":{"type":"path","value":"C:/Windows/Temp/librarian-herdr/src/main.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":885,"totalBytes":4065,"outputLines":110,"outputBytes":4065,"shownRange":{"start":739,"end":848},"nextOffset":849}}},"isError":false,"timestamp":1784365544344}}
{"type":"message","id":"9e580eea","parentId":"51aa3d32","timestamp":"2026-07-18T09:05:44.358Z","message":{"role":"toolResult","toolCallId":"call_BF1FFK1BI1tj4Cxu8NQLqbh5|fc_0784f445f025ad6b016a5b41e83ed4819aaf2df84f8223d650","toolName":"read","content":[{"type":"text","text":"///\n/// Direct attach forwards stdin to the attached PTY. It enables mouse capture\n/// so wheel events can drive the attached viewport or be forwarded to child\n/// programs that requested mouse input.\nfn setup_direct_attach_terminal() -> io::Result<TerminalGuard> {\n    setup_terminal_with_capabilities(false, true)\n}\n\nfn setup_terminal_with_capabilities(\n    enable_client_protocols: bool,\n    mouse_capture: bool,\n) -> io::Result<TerminalGuard> {\n    ratatui::init();\n    crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout())?;\n    let host_color_scheme_reports =\n        should_enable_host_color_scheme_reports(enable_client_protocols);\n\n    if enable_client_protocols {\n        if mouse_capture {\n            set_mouse_capture(true)?;\n        } else {\n            set_mouse_capture(false)?;\n        }\n        execute!(io::stdout(), EnableBracketedPaste, EnableFocusChange)?;\n        if host_color_scheme_reports {\n            write_host_color_scheme_report_mode(&mut io::stdout(), true)?;\n        }\n        push_keyboard_enhancement_flags()?;\n    } else {\n        if should_query_host_terminal_theme() {\n            write_host_color_scheme_report_mode(&mut io::stdout(), false)?;\n        }\n        if mouse_capture {\n            set_mouse_capture(true)?;\n        } else {\n            set_mouse_capture(false)?;\n        }\n    }\n\n    #[cfg(windows)]\n    let windows_virtual_terminal_input =\n        if enable_client_protocols && windows_vti_input_backend_enabled() {\n            enable_windows_virtual_terminal_input()\n        } else {\n            WindowsVirtualTerminalInputSetup::default()\n        };\n\n    #[cfg(windows)]\n    if enable_client_protocols\n        && windows_vti_input_backend_enabled()\n        && windows_virtual_terminal_input.active\n        && windows_win32_input_mode_enabled()\n    {\n        if let Err(err) = enable_windows_win32_input_mode(&mut io::stdout()) {\n            if let Some(mode) = windows_virtual_terminal_input.restore_mode {\n                restore_windows_input_mode_value(mode);\n            }\n            return Err(err);\n        }\n    }\n\n    let modify_other_keys_mode = enable_client_protocols\n        .then(crate::input::host_modify_other_keys_mode)\n        .flatten();\n    if let Some(mode) = modify_other_keys_mode {\n        io::stdout().write_all(mode.set_sequence())?;\n        io::stdout().flush()?;\n    }\n\n    execute!(io::stdout(), DisableLineWrap)?;\n\n    Ok(TerminalGuard {\n        reset_modify_other_keys: modify_other_keys_mode.is_some(),\n        reset_host_color_scheme_reports: host_color_scheme_reports,\n        #[cfg(windows)]\n        restore_windows_input_mode: windows_virtual_terminal_input.restore_mode,\n    })\n}\n\nfn should_enable_host_color_scheme_reports(enable_client_protocols: bool) -> bool {\n    enable_client_protocols && should_query_host_terminal_theme()\n}\n\n/// Guard that restores the terminal when dropped.\nstruct TerminalGuard {\n    reset_modify_other_keys: bool,\n    reset_host_color_scheme_reports: bool,\n    #[cfg(windows)]\n    restore_windows_input_mode: Option<u32>,\n}\n\nfn write_host_color_scheme_report_mode(\n    writer: &mut impl io::Write,\n    enabled: bool,\n) -> io::Result<()> {\n    let sequence = if enabled {\n        crate::terminal_theme::HOST_COLOR_SCHEME_REPORT_ENABLE_SEQUENCE\n    } else {\n        crate::terminal_theme::HOST_COLOR_SCHEME_REPORT_DISABLE_SEQUENCE\n    };\n    writer.write_all(sequence.as_bytes())?;\n    writer.flush()\n}\n\nfn write_terminal_restore_postlude(\n    writer: &mut impl io::Write,\n    reset_host_color_scheme_reports: bool,\n) -> io::Result<()> {\n    if reset_host_color_scheme_reports {\n        writer.write_all(\n            crate::terminal_theme::HOST_COLOR_SCHEME_REPORT_DISABLE_SEQUENCE.as_bytes(),\n        )?;\n    }\n    // Restore a visible cursor and reset DECSCUSR back to the terminal default.\n    writer.write_all(b\"\\x1b[?25h\\x1b[0 q\")?;\n    writer.flush()\n}\n\nfn should_draw_host_cursor(mode: crate::config::HostCursorModeConfig) -> bool {\n    match mode {\n        crate::config::HostCursorModeConfig::Auto => {\n            crate::platform::should_draw_host_cursor_by_default()\n        }\n        crate::config::HostCursorModeConfig::Native => false,\n        crate::config::HostCursorModeConfig::Drawn => true,\n    }\n}\n\n#[cfg(windows)]\n#[derive(Default)]\nstruct WindowsVirtualTerminalInputSetup {\n    active: bool,\n    restore_mode: Option<u32>,\n}\n\n#[cfg(windows)]\nfn enable_windows_virtual_terminal_input() -> WindowsVirtualTerminalInputSetup {\n    use windows_sys::Win32::Foundation::{HANDLE, INVALID_HANDLE_VALUE};\n    use windows_sys::Win32::System::Console::{\n        GetConsoleMode, GetStdHandle, SetConsoleMode, ENABLE_VIRTUAL_TERMINAL_INPUT,\n        STD_INPUT_HANDLE,\n    };\n\n    let handle: HANDLE = unsafe { GetStdHandle(STD_INPUT_HANDLE) };\n    if handle.is_null() || handle == INVALID_HANDLE_VALUE {\n        tracing::warn!(\"failed to get Windows console input handle for VT input\");\n        return WindowsVirtualTerminalInputSetup::default();\n    }\n\n    let mut mode = 0;\n    if unsafe { GetConsoleMode(handle, &mut mode) } == 0 {\n        tracing::warn!(\"failed to read Windows console input mode for VT input\");\n        return WindowsVirtualTerminalInputSetup::default();\n    }\n\n    let desired = windows_virtual_terminal_input_mode(mode);\n    if desired == mode {\n        return WindowsVirtualTerminalInputSetup {\n            active: true,\n            restore_mode: None,\n        };\n    }\n\n    if unsafe { SetConsoleMode(handle, desired) } == 0 {\n        tracing::warn!(\"failed to enable Windows virtual terminal input\");\n        return WindowsVirtualTerminalInputSetup::default();\n    }\n\n    let mut applied = 0;\n    if unsafe { GetConsoleMode(handle, &mut applied) } == 0 {\n        tracing::warn!(\"failed to verify Windows virtual terminal input mode\");\n        let _ = unsafe { SetConsoleMode(handle, mode) };\n        return WindowsVirtualTerminalInputSetup::default();\n    }\n    if applied & ENABLE_VIRTUAL_TERMINAL_INPUT == 0 {\n        tracing::warn!(\"Windows virtual terminal input bit did not stick\");\n        let _ = unsafe { SetConsoleMode(handle, mode) };\n        return WindowsVirtualTerminalInputSetup::default();\n    }\n\n    WindowsVirtualTerminalInputSetup {\n        active: true,\n        restore_mode: Some(mode),\n    }\n}\n\n#[cfg(windows)]\nfn windows_vti_input_backend_enabled() -> bool {\n    std::env::var(\"HERDR_WINDOWS_INPUT_BACKEND\")\n        .map(|backend| !backend.eq_ignore_ascii_case(\"crossterm\"))\n        .unwrap_or(true)\n}\n\n#[cfg(any(windows, test))]\nfn windows_virtual_terminal_input_mode(mode: u32) -> u32 {\n    mode | 0x0200\n}\n\n#[cfg(windows)]\nfn restore_windows_input_mode_value(mode: u32) {\n    use windows_sys::Win32::Foundation::{HANDLE, INVALID_HANDLE_VALUE};\n    use windows_sys::Win32::System::Console::{GetStdHandle, SetConsoleMode, STD_INPUT_HANDLE};\n\n    let handle: HANDLE = unsafe { GetStdHandle(STD_INPUT_HANDLE) };\n    if handle.is_null() || handle == INVALID_HANDLE_VALUE {\n        return;\n    }\n    if unsafe { SetConsoleMode(handle, mode) } == 0 {\n        tracing::warn!(\"failed to restore Windows console input mode\");\n    }\n}\n\nfn set_mouse_capture(enabled: bool) -> io::Result<()> {\n    crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout())?;\n    if enabled {\n        execute!(io::stdout(), EnableMouseCapture)\n    } else {\n        match execute!(io::stdout(), DisableMouseCapture) {\n            Ok(()) => Ok(()),\n            #[cfg(windows)]\n            Err(err) if err.to_string() == \"Initial console modes not set\" => Ok(()),\n            Err(err) => Err(err),\n        }\n    }\n}\n\nfn restore_terminal_state(\n    reset_modify_other_keys: bool,\n    reset_host_color_scheme_reports: bool,\n    #[cfg(windows)] restore_windows_input_mode: Option<u32>,\n) {\n    let _ = clear_received_kitty_graphics(&mut io::stdout());\n\n    // Reset modifyOtherKeys if we enabled it.\n    if reset_modify_other_keys {\n        let _ = io::stdout().write_all(b\"\\x1b[>4;0m\");\n        let _ = io::stdout().flush();\n    }\n\n    let _ = pop_keyboard_enhancement_flags();\n\n    let _ = execute!(\n        io::stdout(),\n        EnableLineWrap,\n        DisableFocusChange,\n        DisableBracketedPaste,\n        DisableMouseCapture\n    );\n    let _ = crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout());\n    #[cfg(windows)]\n    if let Some(mode) = restore_windows_input_mode {\n        restore_windows_input_mode_value(mode);\n    }\n\n    ratatui::restore();\n    let _ = write_terminal_restore_postlude(&mut io::stdout(), reset_host_color_scheme_reports);\n\n    #[cfg(windows)]\n    if windows_vti_input_backend_enabled() && windows_win32_input_mode_enabled() {\n        let _ = disable_windows_win32_input_mode(&mut io::stdout());\n    }\n}\n\n#[cfg(not(windows))]\nfn push_keyboard_enhancement_flags() -> io::Result<()> {\n    execute!(\n        io::stdout(),\n        PushKeyboardEnhancementFlags(crate::input::ime_compatible_keyboard_enhancement_flags())\n    )\n}\n\n#[cfg(windows)]\nfn push_keyboard_enhancement_flags() -> io::Result<()> {\n    Ok(())\n}\n\n#[cfg(not(windows))]\nfn pop_keyboard_enhancement_flags() -> io::Result<()> {\n    execute!(io::stdout(), PopKeyboardEnhancementFlags)\n}\n\n#[cfg(windows)]\nfn pop_keyboard_enhancement_flags() -> io::Result<()> {\n    Ok(())\n}\n\n#[cfg(windows)]\nfn windows_win32_input_mode_enabled() -> bool {\n    std::env::var(\"HERDR_WINDOWS_INPUT_PROBE\")\n        .map(|probe| probe.eq_ignore_ascii_case(\"win32\"))\n        .unwrap_or(true)\n}\n\n#[cfg(windows)]\nfn enable_windows_win32_input_mode(writer: &mut impl std::io::Write) -> io::Result<()> {\n    writer.write_all(b\"\\x1b[?9001h\")?;\n    writer.flush()\n}\n\n#[cfg(windows)]\nfn disable_windows_win32_input_mode(writer: &mut impl std::io::Write) -> io::Result<()> {\n    writer.write_all(b\"\\x1b[?9001l\")?;\n    writer.flush()\n}\n\nimpl Drop for TerminalGuard {\n    fn drop(&mut self) {\n        restore_terminal_state(\n            self.reset_modify_other_keys,\n            self.reset_host_color_scheme_reports,\n            #[cfg(windows)]\n            self.restore_windows_input_mode,\n        );\n    }\n}\n\n// ---------------------------------------------------------------------------\n// Handshake\n// ---------------------------------------------------------------------------\n\nfn requested_render_encoding() -> RenderEncoding {\n    match std::env::var(\"HERDR_RENDER_ENCODING\").ok().as_deref() {\n        Some(\"terminal-ansi\" | \"terminal_ansi\" | \"ansi\") => RenderEncoding::TerminalAnsi,\n        _ => RenderEncoding::SemanticFrame,\n    }\n}\n\n[Showing lines 339-663 of 2957. Use :664 to continue]"}],"details":{"truncation":{"content":"///\r\n/// Direct attach forwards stdin to the attached PTY. It enables mouse capture\r\n/// so wheel events can drive the attached viewport or be forwarded to child\r\n/// programs that requested mouse input.\r\nfn setup_direct_attach_terminal() -> io::Result<TerminalGuard> {\r\n    setup_terminal_with_capabilities(false, true)\r\n}\r\n\r\nfn setup_terminal_with_capabilities(\r\n    enable_client_protocols: bool,\r\n    mouse_capture: bool,\r\n) -> io::Result<TerminalGuard> {\r\n    ratatui::init();\r\n    crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout())?;\r\n    let host_color_scheme_reports =\r\n        should_enable_host_color_scheme_reports(enable_client_protocols);\r\n\r\n    if enable_client_protocols {\r\n        if mouse_capture {\r\n            set_mouse_capture(true)?;\r\n        } else {\r\n            set_mouse_capture(false)?;\r\n        }\r\n        execute!(io::stdout(), EnableBracketedPaste, EnableFocusChange)?;\r\n        if host_color_scheme_reports {\r\n            write_host_color_scheme_report_mode(&mut io::stdout(), true)?;\r\n        }\r\n        push_keyboard_enhancement_flags()?;\r\n    } else {\r\n        if should_query_host_terminal_theme() {\r\n            write_host_color_scheme_report_mode(&mut io::stdout(), false)?;\r\n        }\r\n        if mouse_capture {\r\n            set_mouse_capture(true)?;\r\n        } else {\r\n            set_mouse_capture(false)?;\r\n        }\r\n    }\r\n\r\n    #[cfg(windows)]\r\n    let windows_virtual_terminal_input =\r\n        if enable_client_protocols && windows_vti_input_backend_enabled() {\r\n            enable_windows_virtual_terminal_input()\r\n        } else {\r\n            WindowsVirtualTerminalInputSetup::default()\r\n        };\r\n\r\n    #[cfg(windows)]\r\n    if enable_client_protocols\r\n        && windows_vti_input_backend_enabled()\r\n        && windows_virtual_terminal_input.active\r\n        && windows_win32_input_mode_enabled()\r\n    {\r\n        if let Err(err) = enable_windows_win32_input_mode(&mut io::stdout()) {\r\n            if let Some(mode) = windows_virtual_terminal_input.restore_mode {\r\n                restore_windows_input_mode_value(mode);\r\n            }\r\n            return Err(err);\r\n        }\r\n    }\r\n\r\n    let modify_other_keys_mode = enable_client_protocols\r\n        .then(crate::input::host_modify_other_keys_mode)\r\n        .flatten();\r\n    if let Some(mode) = modify_other_keys_mode {\r\n        io::stdout().write_all(mode.set_sequence())?;\r\n        io::stdout().flush()?;\r\n    }\r\n\r\n    execute!(io::stdout(), DisableLineWrap)?;\r\n\r\n    Ok(TerminalGuard {\r\n        reset_modify_other_keys: modify_other_keys_mode.is_some(),\r\n        reset_host_color_scheme_reports: host_color_scheme_reports,\r\n        #[cfg(windows)]\r\n        restore_windows_input_mode: windows_virtual_terminal_input.restore_mode,\r\n    })\r\n}\r\n\r\nfn should_enable_host_color_scheme_reports(enable_client_protocols: bool) -> bool {\r\n    enable_client_protocols && should_query_host_terminal_theme()\r\n}\r\n\r\n/// Guard that restores the terminal when dropped.\r\nstruct TerminalGuard {\r\n    reset_modify_other_keys: bool,\r\n    reset_host_color_scheme_reports: bool,\r\n    #[cfg(windows)]\r\n    restore_windows_input_mode: Option<u32>,\r\n}\r\n\r\nfn write_host_color_scheme_report_mode(\r\n    writer: &mut impl io::Write,\r\n    enabled: bool,\r\n) -> io::Result<()> {\r\n    let sequence = if enabled {\r\n        crate::terminal_theme::HOST_COLOR_SCHEME_REPORT_ENABLE_SEQUENCE\r\n    } else {\r\n        crate::terminal_theme::HOST_COLOR_SCHEME_REPORT_DISABLE_SEQUENCE\r\n    };\r\n    writer.write_all(sequence.as_bytes())?;\r\n    writer.flush()\r\n}\r\n\r\nfn write_terminal_restore_postlude(\r\n    writer: &mut impl io::Write,\r\n    reset_host_color_scheme_reports: bool,\r\n) -> io::Result<()> {\r\n    if reset_host_color_scheme_reports {\r\n        writer.write_all(\r\n            crate::terminal_theme::HOST_COLOR_SCHEME_REPORT_DISABLE_SEQUENCE.as_bytes(),\r\n        )?;\r\n    }\r\n    // Restore a visible cursor and reset DECSCUSR back to the terminal default.\r\n    writer.write_all(b\"\\x1b[?25h\\x1b[0 q\")?;\r\n    writer.flush()\r\n}\r\n\r\nfn should_draw_host_cursor(mode: crate::config::HostCursorModeConfig) -> bool {\r\n    match mode {\r\n        crate::config::HostCursorModeConfig::Auto => {\r\n            crate::platform::should_draw_host_cursor_by_default()\r\n        }\r\n        crate::config::HostCursorModeConfig::Native => false,\r\n        crate::config::HostCursorModeConfig::Drawn => true,\r\n    }\r\n}\r\n\r\n#[cfg(windows)]\r\n#[derive(Default)]\r\nstruct WindowsVirtualTerminalInputSetup {\r\n    active: bool,\r\n    restore_mode: Option<u32>,\r\n}\r\n\r\n#[cfg(windows)]\r\nfn enable_windows_virtual_terminal_input() -> WindowsVirtualTerminalInputSetup {\r\n    use windows_sys::Win32::Foundation::{HANDLE, INVALID_HANDLE_VALUE};\r\n    use windows_sys::Win32::System::Console::{\r\n        GetConsoleMode, GetStdHandle, SetConsoleMode, ENABLE_VIRTUAL_TERMINAL_INPUT,\r\n        STD_INPUT_HANDLE,\r\n    };\r\n\r\n    let handle: HANDLE = unsafe { GetStdHandle(STD_INPUT_HANDLE) };\r\n    if handle.is_null() || handle == INVALID_HANDLE_VALUE {\r\n        tracing::warn!(\"failed to get Windows console input handle for VT input\");\r\n        return WindowsVirtualTerminalInputSetup::default();\r\n    }\r\n\r\n    let mut mode = 0;\r\n    if unsafe { GetConsoleMode(handle, &mut mode) } == 0 {\r\n        tracing::warn!(\"failed to read Windows console input mode for VT input\");\r\n        return WindowsVirtualTerminalInputSetup::default();\r\n    }\r\n\r\n    let desired = windows_virtual_terminal_input_mode(mode);\r\n    if desired == mode {\r\n        return WindowsVirtualTerminalInputSetup {\r\n            active: true,\r\n            restore_mode: None,\r\n        };\r\n    }\r\n\r\n    if unsafe { SetConsoleMode(handle, desired) } == 0 {\r\n        tracing::warn!(\"failed to enable Windows virtual terminal input\");\r\n        return WindowsVirtualTerminalInputSetup::default();\r\n    }\r\n\r\n    let mut applied = 0;\r\n    if unsafe { GetConsoleMode(handle, &mut applied) } == 0 {\r\n        tracing::warn!(\"failed to verify Windows virtual terminal input mode\");\r\n        let _ = unsafe { SetConsoleMode(handle, mode) };\r\n        return WindowsVirtualTerminalInputSetup::default();\r\n    }\r\n    if applied & ENABLE_VIRTUAL_TERMINAL_INPUT == 0 {\r\n        tracing::warn!(\"Windows virtual terminal input bit did not stick\");\r\n        let _ = unsafe { SetConsoleMode(handle, mode) };\r\n        return WindowsVirtualTerminalInputSetup::default();\r\n    }\r\n\r\n    WindowsVirtualTerminalInputSetup {\r\n        active: true,\r\n        restore_mode: Some(mode),\r\n    }\r\n}\r\n\r\n#[cfg(windows)]\r\nfn windows_vti_input_backend_enabled() -> bool {\r\n    std::env::var(\"HERDR_WINDOWS_INPUT_BACKEND\")\r\n        .map(|backend| !backend.eq_ignore_ascii_case(\"crossterm\"))\r\n        .unwrap_or(true)\r\n}\r\n\r\n#[cfg(any(windows, test))]\r\nfn windows_virtual_terminal_input_mode(mode: u32) -> u32 {\r\n    mode | 0x0200\r\n}\r\n\r\n#[cfg(windows)]\r\nfn restore_windows_input_mode_value(mode: u32) {\r\n    use windows_sys::Win32::Foundation::{HANDLE, INVALID_HANDLE_VALUE};\r\n    use windows_sys::Win32::System::Console::{GetStdHandle, SetConsoleMode, STD_INPUT_HANDLE};\r\n\r\n    let handle: HANDLE = unsafe { GetStdHandle(STD_INPUT_HANDLE) };\r\n    if handle.is_null() || handle == INVALID_HANDLE_VALUE {\r\n        return;\r\n    }\r\n    if unsafe { SetConsoleMode(handle, mode) } == 0 {\r\n        tracing::warn!(\"failed to restore Windows console input mode\");\r\n    }\r\n}\r\n\r\nfn set_mouse_capture(enabled: bool) -> io::Result<()> {\r\n    crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout())?;\r\n    if enabled {\r\n        execute!(io::stdout(), EnableMouseCapture)\r\n    } else {\r\n        match execute!(io::stdout(), DisableMouseCapture) {\r\n            Ok(()) => Ok(()),\r\n            #[cfg(windows)]\r\n            Err(err) if err.to_string() == \"Initial console modes not set\" => Ok(()),\r\n            Err(err) => Err(err),\r\n        }\r\n    }\r\n}\r\n\r\nfn restore_terminal_state(\r\n    reset_modify_other_keys: bool,\r\n    reset_host_color_scheme_reports: bool,\r\n    #[cfg(windows)] restore_windows_input_mode: Option<u32>,\r\n) {\r\n    let _ = clear_received_kitty_graphics(&mut io::stdout());\r\n\r\n    // Reset modifyOtherKeys if we enabled it.\r\n    if reset_modify_other_keys {\r\n        let _ = io::stdout().write_all(b\"\\x1b[>4;0m\");\r\n        let _ = io::stdout().flush();\r\n    }\r\n\r\n    let _ = pop_keyboard_enhancement_flags();\r\n\r\n    let _ = execute!(\r\n        io::stdout(),\r\n        EnableLineWrap,\r\n        DisableFocusChange,\r\n        DisableBracketedPaste,\r\n        DisableMouseCapture\r\n    );\r\n    let _ = crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout());\r\n    #[cfg(windows)]\r\n    if let Some(mode) = restore_windows_input_mode {\r\n        restore_windows_input_mode_value(mode);\r\n    }\r\n\r\n    ratatui::restore();\r\n    let _ = write_terminal_restore_postlude(&mut io::stdout(), reset_host_color_scheme_reports);\r\n\r\n    #[cfg(windows)]\r\n    if windows_vti_input_backend_enabled() && windows_win32_input_mode_enabled() {\r\n        let _ = disable_windows_win32_input_mode(&mut io::stdout());\r\n    }\r\n}\r\n\r\n#[cfg(not(windows))]\r\nfn push_keyboard_enhancement_flags() -> io::Result<()> {\r\n    execute!(\r\n        io::stdout(),\r\n        PushKeyboardEnhancementFlags(crate::input::ime_compatible_keyboard_enhancement_flags())\r\n    )\r\n}\r\n\r\n#[cfg(windows)]\r\nfn push_keyboard_enhancement_flags() -> io::Result<()> {\r\n    Ok(())\r\n}\r\n\r\n#[cfg(not(windows))]\r\nfn pop_keyboard_enhancement_flags() -> io::Result<()> {\r\n    execute!(io::stdout(), PopKeyboardEnhancementFlags)\r\n}\r\n\r\n#[cfg(windows)]\r\nfn pop_keyboard_enhancement_flags() -> io::Result<()> {\r\n    Ok(())\r\n}\r\n\r\n#[cfg(windows)]\r\nfn windows_win32_input_mode_enabled() -> bool {\r\n    std::env::var(\"HERDR_WINDOWS_INPUT_PROBE\")\r\n        .map(|probe| probe.eq_ignore_ascii_case(\"win32\"))\r\n        .unwrap_or(true)\r\n}\r\n\r\n#[cfg(windows)]\r\nfn enable_windows_win32_input_mode(writer: &mut impl std::io::Write) -> io::Result<()> {\r\n    writer.write_all(b\"\\x1b[?9001h\")?;\r\n    writer.flush()\r\n}\r\n\r\n#[cfg(windows)]\r\nfn disable_windows_win32_input_mode(writer: &mut impl std::io::Write) -> io::Result<()> {\r\n    writer.write_all(b\"\\x1b[?9001l\")?;\r\n    writer.flush()\r\n}\r\n\r\nimpl Drop for TerminalGuard {\r\n    fn drop(&mut self) {\r\n        restore_terminal_state(\r\n            self.reset_modify_other_keys,\r\n            self.reset_host_color_scheme_reports,\r\n            #[cfg(windows)]\r\n            self.restore_windows_input_mode,\r\n        );\r\n    }\r\n}\r\n\r\n// ---------------------------------------------------------------------------\r\n// Handshake\r\n// ---------------------------------------------------------------------------\r\n\r\nfn requested_render_encoding() -> RenderEncoding {\r\n    match std::env::var(\"HERDR_RENDER_ENCODING\").ok().as_deref() {\r\n        Some(\"terminal-ansi\" | \"terminal_ansi\" | \"ansi\") => RenderEncoding::TerminalAnsi,\r\n        _ => RenderEncoding::SemanticFrame,\r\n    }\r","truncated":true,"truncatedBy":"lines","totalLines":2619,"totalBytes":10806,"outputLines":325,"outputBytes":10806,"lastLinePartial":false,"firstLineExceedsLimit":false},"displayContent":{"text":"///\r\n/// Direct attach forwards stdin to the attached PTY. It enables mouse capture\r\n/// so wheel events can drive the attached viewport or be forwarded to child\r\n/// programs that requested mouse input.\r\nfn setup_direct_attach_terminal() -> io::Result<TerminalGuard> {\r\n    setup_terminal_with_capabilities(false, true)\r\n}\r\n\r\nfn setup_terminal_with_capabilities(\r\n    enable_client_protocols: bool,\r\n    mouse_capture: bool,\r\n) -> io::Result<TerminalGuard> {\r\n    ratatui::init();\r\n    crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout())?;\r\n    let host_color_scheme_reports =\r\n        should_enable_host_color_scheme_reports(enable_client_protocols);\r\n\r\n    if enable_client_protocols {\r\n        if mouse_capture {\r\n            set_mouse_capture(true)?;\r\n        } else {\r\n            set_mouse_capture(false)?;\r\n        }\r\n        execute!(io::stdout(), EnableBracketedPaste, EnableFocusChange)?;\r\n        if host_color_scheme_reports {\r\n            write_host_color_scheme_report_mode(&mut io::stdout(), true)?;\r\n        }\r\n        push_keyboard_enhancement_flags()?;\r\n    } else {\r\n        if should_query_host_terminal_theme() {\r\n            write_host_color_scheme_report_mode(&mut io::stdout(), false)?;\r\n        }\r\n        if mouse_capture {\r\n            set_mouse_capture(true)?;\r\n        } else {\r\n            set_mouse_capture(false)?;\r\n        }\r\n    }\r\n\r\n    #[cfg(windows)]\r\n    let windows_virtual_terminal_input =\r\n        if enable_client_protocols && windows_vti_input_backend_enabled() {\r\n            enable_windows_virtual_terminal_input()\r\n        } else {\r\n            WindowsVirtualTerminalInputSetup::default()\r\n        };\r\n\r\n    #[cfg(windows)]\r\n    if enable_client_protocols\r\n        && windows_vti_input_backend_enabled()\r\n        && windows_virtual_terminal_input.active\r\n        && windows_win32_input_mode_enabled()\r\n    {\r\n        if let Err(err) = enable_windows_win32_input_mode(&mut io::stdout()) {\r\n            if let Some(mode) = windows_virtual_terminal_input.restore_mode {\r\n                restore_windows_input_mode_value(mode);\r\n            }\r\n            return Err(err);\r\n        }\r\n    }\r\n\r\n    let modify_other_keys_mode = enable_client_protocols\r\n        .then(crate::input::host_modify_other_keys_mode)\r\n        .flatten();\r\n    if let Some(mode) = modify_other_keys_mode {\r\n        io::stdout().write_all(mode.set_sequence())?;\r\n        io::stdout().flush()?;\r\n    }\r\n\r\n    execute!(io::stdout(), DisableLineWrap)?;\r\n\r\n    Ok(TerminalGuard {\r\n        reset_modify_other_keys: modify_other_keys_mode.is_some(),\r\n        reset_host_color_scheme_reports: host_color_scheme_reports,\r\n        #[cfg(windows)]\r\n        restore_windows_input_mode: windows_virtual_terminal_input.restore_mode,\r\n    })\r\n}\r\n\r\nfn should_enable_host_color_scheme_reports(enable_client_protocols: bool) -> bool {\r\n    enable_client_protocols && should_query_host_terminal_theme()\r\n}\r\n\r\n/// Guard that restores the terminal when dropped.\r\nstruct TerminalGuard {\r\n    reset_modify_other_keys: bool,\r\n    reset_host_color_scheme_reports: bool,\r\n    #[cfg(windows)]\r\n    restore_windows_input_mode: Option<u32>,\r\n}\r\n\r\nfn write_host_color_scheme_report_mode(\r\n    writer: &mut impl io::Write,\r\n    enabled: bool,\r\n) -> io::Result<()> {\r\n    let sequence = if enabled {\r\n        crate::terminal_theme::HOST_COLOR_SCHEME_REPORT_ENABLE_SEQUENCE\r\n    } else {\r\n        crate::terminal_theme::HOST_COLOR_SCHEME_REPORT_DISABLE_SEQUENCE\r\n    };\r\n    writer.write_all(sequence.as_bytes())?;\r\n    writer.flush()\r\n}\r\n\r\nfn write_terminal_restore_postlude(\r\n    writer: &mut impl io::Write,\r\n    reset_host_color_scheme_reports: bool,\r\n) -> io::Result<()> {\r\n    if reset_host_color_scheme_reports {\r\n        writer.write_all(\r\n            crate::terminal_theme::HOST_COLOR_SCHEME_REPORT_DISABLE_SEQUENCE.as_bytes(),\r\n        )?;\r\n    }\r\n    // Restore a visible cursor and reset DECSCUSR back to the terminal default.\r\n    writer.write_all(b\"\\x1b[?25h\\x1b[0 q\")?;\r\n    writer.flush()\r\n}\r\n\r\nfn should_draw_host_cursor(mode: crate::config::HostCursorModeConfig) -> bool {\r\n    match mode {\r\n        crate::config::HostCursorModeConfig::Auto => {\r\n            crate::platform::should_draw_host_cursor_by_default()\r\n        }\r\n        crate::config::HostCursorModeConfig::Native => false,\r\n        crate::config::HostCursorModeConfig::Drawn => true,\r\n    }\r\n}\r\n\r\n#[cfg(windows)]\r\n#[derive(Default)]\r\nstruct WindowsVirtualTerminalInputSetup {\r\n    active: bool,\r\n    restore_mode: Option<u32>,\r\n}\r\n\r\n#[cfg(windows)]\r\nfn enable_windows_virtual_terminal_input() -> WindowsVirtualTerminalInputSetup {\r\n    use windows_sys::Win32::Foundation::{HANDLE, INVALID_HANDLE_VALUE};\r\n    use windows_sys::Win32::System::Console::{\r\n        GetConsoleMode, GetStdHandle, SetConsoleMode, ENABLE_VIRTUAL_TERMINAL_INPUT,\r\n        STD_INPUT_HANDLE,\r\n    };\r\n\r\n    let handle: HANDLE = unsafe { GetStdHandle(STD_INPUT_HANDLE) };\r\n    if handle.is_null() || handle == INVALID_HANDLE_VALUE {\r\n        tracing::warn!(\"failed to get Windows console input handle for VT input\");\r\n        return WindowsVirtualTerminalInputSetup::default();\r\n    }\r\n\r\n    let mut mode = 0;\r\n    if unsafe { GetConsoleMode(handle, &mut mode) } == 0 {\r\n        tracing::warn!(\"failed to read Windows console input mode for VT input\");\r\n        return WindowsVirtualTerminalInputSetup::default();\r\n    }\r\n\r\n    let desired = windows_virtual_terminal_input_mode(mode);\r\n    if desired == mode {\r\n        return WindowsVirtualTerminalInputSetup {\r\n            active: true,\r\n            restore_mode: None,\r\n        };\r\n    }\r\n\r\n    if unsafe { SetConsoleMode(handle, desired) } == 0 {\r\n        tracing::warn!(\"failed to enable Windows virtual terminal input\");\r\n        return WindowsVirtualTerminalInputSetup::default();\r\n    }\r\n\r\n    let mut applied = 0;\r\n    if unsafe { GetConsoleMode(handle, &mut applied) } == 0 {\r\n        tracing::warn!(\"failed to verify Windows virtual terminal input mode\");\r\n        let _ = unsafe { SetConsoleMode(handle, mode) };\r\n        return WindowsVirtualTerminalInputSetup::default();\r\n    }\r\n    if applied & ENABLE_VIRTUAL_TERMINAL_INPUT == 0 {\r\n        tracing::warn!(\"Windows virtual terminal input bit did not stick\");\r\n        let _ = unsafe { SetConsoleMode(handle, mode) };\r\n        return WindowsVirtualTerminalInputSetup::default();\r\n    }\r\n\r\n    WindowsVirtualTerminalInputSetup {\r\n        active: true,\r\n        restore_mode: Some(mode),\r\n    }\r\n}\r\n\r\n#[cfg(windows)]\r\nfn windows_vti_input_backend_enabled() -> bool {\r\n    std::env::var(\"HERDR_WINDOWS_INPUT_BACKEND\")\r\n        .map(|backend| !backend.eq_ignore_ascii_case(\"crossterm\"))\r\n        .unwrap_or(true)\r\n}\r\n\r\n#[cfg(any(windows, test))]\r\nfn windows_virtual_terminal_input_mode(mode: u32) -> u32 {\r\n    mode | 0x0200\r\n}\r\n\r\n#[cfg(windows)]\r\nfn restore_windows_input_mode_value(mode: u32) {\r\n    use windows_sys::Win32::Foundation::{HANDLE, INVALID_HANDLE_VALUE};\r\n    use windows_sys::Win32::System::Console::{GetStdHandle, SetConsoleMode, STD_INPUT_HANDLE};\r\n\r\n    let handle: HANDLE = unsafe { GetStdHandle(STD_INPUT_HANDLE) };\r\n    if handle.is_null() || handle == INVALID_HANDLE_VALUE {\r\n        return;\r\n    }\r\n    if unsafe { SetConsoleMode(handle, mode) } == 0 {\r\n        tracing::warn!(\"failed to restore Windows console input mode\");\r\n    }\r\n}\r\n\r\nfn set_mouse_capture(enabled: bool) -> io::Result<()> {\r\n    crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout())?;\r\n    if enabled {\r\n        execute!(io::stdout(), EnableMouseCapture)\r\n    } else {\r\n        match execute!(io::stdout(), DisableMouseCapture) {\r\n            Ok(()) => Ok(()),\r\n            #[cfg(windows)]\r\n            Err(err) if err.to_string() == \"Initial console modes not set\" => Ok(()),\r\n            Err(err) => Err(err),\r\n        }\r\n    }\r\n}\r\n\r\nfn restore_terminal_state(\r\n    reset_modify_other_keys: bool,\r\n    reset_host_color_scheme_reports: bool,\r\n    #[cfg(windows)] restore_windows_input_mode: Option<u32>,\r\n) {\r\n    let _ = clear_received_kitty_graphics(&mut io::stdout());\r\n\r\n    // Reset modifyOtherKeys if we enabled it.\r\n    if reset_modify_other_keys {\r\n        let _ = io::stdout().write_all(b\"\\x1b[>4;0m\");\r\n        let _ = io::stdout().flush();\r\n    }\r\n\r\n    let _ = pop_keyboard_enhancement_flags();\r\n\r\n    let _ = execute!(\r\n        io::stdout(),\r\n        EnableLineWrap,\r\n        DisableFocusChange,\r\n        DisableBracketedPaste,\r\n        DisableMouseCapture\r\n    );\r\n    let _ = crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout());\r\n    #[cfg(windows)]\r\n    if let Some(mode) = restore_windows_input_mode {\r\n        restore_windows_input_mode_value(mode);\r\n    }\r\n\r\n    ratatui::restore();\r\n    let _ = write_terminal_restore_postlude(&mut io::stdout(), reset_host_color_scheme_reports);\r\n\r\n    #[cfg(windows)]\r\n    if windows_vti_input_backend_enabled() && windows_win32_input_mode_enabled() {\r\n        let _ = disable_windows_win32_input_mode(&mut io::stdout());\r\n    }\r\n}\r\n\r\n#[cfg(not(windows))]\r\nfn push_keyboard_enhancement_flags() -> io::Result<()> {\r\n    execute!(\r\n        io::stdout(),\r\n        PushKeyboardEnhancementFlags(crate::input::ime_compatible_keyboard_enhancement_flags())\r\n    )\r\n}\r\n\r\n#[cfg(windows)]\r\nfn push_keyboard_enhancement_flags() -> io::Result<()> {\r\n    Ok(())\r\n}\r\n\r\n#[cfg(not(windows))]\r\nfn pop_keyboard_enhancement_flags() -> io::Result<()> {\r\n    execute!(io::stdout(), PopKeyboardEnhancementFlags)\r\n}\r\n\r\n#[cfg(windows)]\r\nfn pop_keyboard_enhancement_flags() -> io::Result<()> {\r\n    Ok(())\r\n}\r\n\r\n#[cfg(windows)]\r\nfn windows_win32_input_mode_enabled() -> bool {\r\n    std::env::var(\"HERDR_WINDOWS_INPUT_PROBE\")\r\n        .map(|probe| probe.eq_ignore_ascii_case(\"win32\"))\r\n        .unwrap_or(true)\r\n}\r\n\r\n#[cfg(windows)]\r\nfn enable_windows_win32_input_mode(writer: &mut impl std::io::Write) -> io::Result<()> {\r\n    writer.write_all(b\"\\x1b[?9001h\")?;\r\n    writer.flush()\r\n}\r\n\r\n#[cfg(windows)]\r\nfn disable_windows_win32_input_mode(writer: &mut impl std::io::Write) -> io::Result<()> {\r\n    writer.write_all(b\"\\x1b[?9001l\")?;\r\n    writer.flush()\r\n}\r\n\r\nimpl Drop for TerminalGuard {\r\n    fn drop(&mut self) {\r\n        restore_terminal_state(\r\n            self.reset_modify_other_keys,\r\n            self.reset_host_color_scheme_reports,\r\n            #[cfg(windows)]\r\n            self.restore_windows_input_mode,\r\n        );\r\n    }\r\n}\r\n\r\n// ---------------------------------------------------------------------------\r\n// Handshake\r\n// ---------------------------------------------------------------------------\r\n\r\nfn requested_render_encoding() -> RenderEncoding {\r\n    match std::env::var(\"HERDR_RENDER_ENCODING\").ok().as_deref() {\r\n        Some(\"terminal-ansi\" | \"terminal_ansi\" | \"ansi\") => RenderEncoding::TerminalAnsi,\r\n        _ => RenderEncoding::SemanticFrame,\r\n    }\r\n}","startLine":339,"lineNumbers":[339,340,341,342,343,344,345,346,347,348,349,350,351,352,353,354,355,356,357,358,359,360,361,362,363,364,365,366,367,368,369,370,371,372,373,374,375,376,377,378,379,380,381,382,383,384,385,386,387,388,389,390,391,392,393,394,395,396,397,398,399,400,401,402,403,404,405,406,407,408,409,410,411,412,413,414,415,416,417,418,419,420,421,422,423,424,425,426,427,428,429,430,431,432,433,434,435,436,437,438,439,440,441,442,443,444,445,446,447,448,449,450,451,452,453,454,455,456,457,458,459,460,461,462,463,464,465,466,467,468,469,470,471,472,473,474,475,476,477,478,479,480,481,482,483,484,485,486,487,488,489,490,491,492,493,494,495,496,497,498,499,500,501,502,503,504,505,506,507,508,509,510,511,512,513,514,515,516,517,518,519,520,521,522,523,524,525,526,527,528,529,530,531,532,533,534,535,536,537,538,539,540,541,542,543,544,545,546,547,548,549,550,551,552,553,554,555,556,557,558,559,560,561,562,563,564,565,566,567,568,569,570,571,572,573,574,575,576,577,578,579,580,581,582,583,584,585,586,587,588,589,590,591,592,593,594,595,596,597,598,599,600,601,602,603,604,605,606,607,608,609,610,611,612,613,614,615,616,617,618,619,620,621,622,623,624,625,626,627,628,629,630,631,632,633,634,635,636,637,638,639,640,641,642,643,644,645,646,647,648,649,650,651,652,653,654,655,656,657,658,659,660,661,662,663,664]},"meta":{"source":{"type":"path","value":"C:/Windows/Temp/librarian-herdr/src/client/mod.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":2957,"totalBytes":10806,"outputLines":325,"outputBytes":10806,"shownRange":{"start":339,"end":663},"nextOffset":664}}},"isError":false,"timestamp":1784365544358}}
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{"type":"message","id":"f55779da","parentId":"c5313bf0","timestamp":"2026-07-18T09:05:52.264Z","message":{"role":"toolResult","toolCallId":"call_FR0jmHlQHETVhU2xcyOm6Bpx|fc_0784f445f025ad6b016a5b41efd7b0819a8cfedca7dce0755b","toolName":"read","content":[{"type":"text","text":"URL: https://docs.rs/ratatui/0.30.0/ratatui/fn.init.html\nContent-Type: text/markdown\nMethod: docs.rs\nNotes: Fetched via docs.rs rustdoc JSON\n\n---\n\n# module init\n\nTerminal initialization and restoration functions.\n\nThis module provides a set of convenience functions for initializing and restoring terminal\nstate when creating Ratatui applications. These functions handle the common setup and teardown\ntasks required for terminal user interfaces.\n\nAll functions in this module use the [`CrosstermBackend`] by default, which provides excellent\ncross-platform compatibility and is the recommended backend for most applications. The\n[`DefaultTerminal`] type alias encapsulates this choice, providing a ready-to-use terminal\nconfiguration that works well across different operating systems. For more information about\nbackend choices and alternatives, see the [`backend`](`crate::backend`) module.\n\nOnce you have initialized a terminal using the functions in this module, you can use it to\n[draw the UI](`crate#drawing-the-ui`) and [handle events](`crate#handling-events`). For more\ninformation about building widgets for your application, see the [`widgets`](`crate::widgets`)\nmodule.\n\n**Note**: All functions and types in this module are re-exported at the crate root for\nconvenience, so you can call `ratatui::run()`, `ratatui::init()`, etc. instead of\n`ratatui::init::run()`, `ratatui::init::init()`, etc.\n\n# Available Types and Functions\n\n## Types\n\n- [`DefaultTerminal`] - A type alias for `Terminal<CrosstermBackend<Stdout>>`, providing a\n  reasonable default terminal configuration for most applications. All initialization functions\n  return this type.\n\n## Functions\n\nThe module provides several related functions that handle different initialization scenarios:\n\n- [`run`] - Initializes a terminal, runs a closure, and automatically restores the terminal\n  state. This is the simplest way to run a Ratatui application and handles all setup and cleanup\n  automatically.\n- [`init`] - Creates a terminal with reasonable defaults including alternate screen and raw\n  mode. Panics on failure.\n- [`try_init`] - Same as [`init`] but returns a `Result` instead of panicking.\n- [`init_with_options`] - Creates a terminal with custom [`TerminalOptions`], enabling raw mode\n  but not alternate screen. Panics on failure.\n- [`try_init_with_options`] - Same as [`init_with_options`] but returns a `Result` instead of\n  panicking.\n- [`restore`] - Restores the terminal to its original state. Prints errors to stderr but does\n  not panic.\n- [`try_restore`] - Same as [`restore`] but returns a `Result` instead of printing errors.\n\n# Usage Guide\n\nFor the simplest setup with automatic cleanup, use [`run`]:\n\n```rust,no_run\nfn main() -> std::io::Result<()> {\n    ratatui::run(|terminal| {\n        loop {\n            terminal.draw(|frame| frame.render_widget(\"Hello, world!\", frame.area()))?;\n            if crossterm::event::read()?.is_key_press() {\n                break Ok(());\n            }\n        }\n    })\n}\n```\n\nFor standard full-screen applications with manual control over initialization and cleanup:\n\n```rust,no_run\n// Using init() - panics on failure\nlet mut terminal = ratatui::init();\n// ... app logic ...\nratatui::restore();\n\n// Using try_init() - returns Result for custom error handling\nlet mut terminal = ratatui::try_init()?;\n// ... app logic ...\nratatui::try_restore()?;\n# Ok::<(), std::io::Error>(())\n```\n\nFor applications that need custom terminal behavior (inline rendering, custom viewport sizes,\nor applications that don't want alternate screen buffer):\n\n```rust,no_run\nuse ratatui::{TerminalOptions, Viewport};\n\nlet options = TerminalOptions {\n    viewport: Viewport::Inline(10),\n};\n\n// Using init_with_options() - panics on failure\nlet mut terminal = ratatui::init_with_options(options);\n// ... app logic ...\nratatui::restore();\n\n// Using try_init_with_options() - returns Result for custom error handling\nlet options = TerminalOptions {\n    viewport: Viewport::Inline(10),\n};\nlet mut terminal = ratatui::try_init_with_options(options)?;\n// ... app logic ...\nratatui::try_restore()?;\n# Ok::<(), std::io::Error>(())\n```\n\nFor cleanup, use [`restore`] in most cases where you want to attempt restoration but don't need\nto handle errors (they are printed to stderr). Use [`try_restore`] when you need to handle\nrestoration errors, perhaps to retry or provide user feedback.\n\nOnce you have a terminal set up, continue with the main loop to [draw the\nUI](`crate#drawing-the-ui`) and [handle events](`crate#handling-events`). See the [main crate\ndocumentation](`crate`) for comprehensive examples of complete applications.\n\n# Key Differences\n\n| Function | Alternate Screen | Raw Mode | Error Handling | Use Case |\n|----------|------------------|----------|----------------|----------|\n| [`run`] | ✓ | ✓ | Auto-cleanup | Simple apps |\n| [`init`] | ✓ | ✓ | Panic | Standard full-screen apps |\n| [`try_init`] | ✓ | ✓ | Result | Standard apps with error handling |\n| [`init_with_options`] | ✗ | ✓ | Panic | Custom viewport apps |\n| [`try_init_with_options`] | ✗ | ✓ | Result | Custom viewport with error handling |\n\n# Panic Hook\n\nAll initialization functions install a panic hook that automatically restores the terminal\nstate before panicking. This ensures that even if your application panics, the terminal will\nbe left in a usable state.\n\n**Important**: Call the initialization functions *after* installing any other panic hooks to\nensure the terminal is restored before other hooks run.\n\n---\n*0.30.0*"}],"details":{"kind":"url","url":"https://docs.rs/ratatui/0.30.0/ratatui/fn.init.html","finalUrl":"https://docs.rs/ratatui/0.30.0/ratatui/fn.init.html","contentType":"text/markdown","method":"docs.rs","truncated":false,"notes":["Fetched via docs.rs rustdoc JSON"],"meta":{"source":{"type":"url","value":"https://docs.rs/ratatui/0.30.0/ratatui/fn.init.html"}}},"isError":false,"timestamp":1784365552264}}
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{"type":"message","id":"b0d026b5","parentId":"96067b9b","timestamp":"2026-07-18T09:05:57.789Z","message":{"role":"toolResult","toolCallId":"call_lslJoe2FlFN3q8or572y7Bvp|fc_0784f445f025ad6b016a5b41f5702c819a830a398bbe6b1875","toolName":"grep","content":[{"type":"text","text":"# C:/Windows/Temp/librarian-herdr/src/server/\n## headless.rs\n 3489|        let prepare_started = crate::render_prof::timer();\n*3490|        let Some(prepared) = client.render_state.prepare_frame(frame) else {\n 3491|            client.clear_deferred_render();\n 3492|            crate::render_prof::event(\"retained_send.skip_identical\");\n 3493|            crate::render_prof::duration_since(\"retained_send.prepare_frame\", prepare_started);\n...\n 3525|                client.clear_deferred_render();\n*3526|                client.render_state.commit_sent_frame(prepared);\n 3527|                crate::render_prof::event(\"retained_send.sent\");\n 3528|                crate::render_prof::duration_since(\"retained_send.try_send\", send_started);\n 3529|                true\n...\n 3706|            let prepare_started = crate::render_prof::timer();\n*3707|            let Some(mut prepared) = client.render_state.prepare_frame(frame) else {\n 3708|                client.clear_deferred_render();\n 3709|                crate::render_prof::event(\"full_render.skip_identical\");\n 3710|                crate::render_prof::duration_since(\"full_render.prepare_frame\", prepare_started);\n...\n 3738|                    let Some(text_only_prepared) =\n*3739|                        client.render_state.prepare_frame(text_only_frame)\n 3740|                    else {\n 3741|                        client.clear_deferred_render();\n 3742|                        crate::render_prof::event(\"full_render.skip_identical_text_only\");\n...\n 3793|                    }\n*3794|                    client.render_state.commit_sent_frame(prepared);\n 3795|                    crate::render_prof::event(\"full_render.sent\");\n 3796|                    crate::render_prof::duration_since(\"full_render.try_send\", send_started);\n 3797|                }\n...\n 8229|            .render_state\n*8230|            .prepare_frame(frame)\n 8231|            .expect(\"hyperlink frame differs\");\n*8232|        client.render_state.commit_sent_frame(prepared);\n 8233|\n 8234|        let runtime = server\n 8235|            .app\n## render_stream.rs\n 43|\n*44|    pub(crate) fn prepare_frame(&mut self, frame: FrameData) -> Option<PreparedRender> {\n 45|        match self {\n 46|            Self::Semantic { last_frame } => {\n 47|                if last_frame.as_ref() == Some(&frame) {\n...\n 95|\n*96|    pub(crate) fn commit_sent_frame(&mut self, prepared: PreparedRender) {\n 97|        match (self, prepared) {\n 98|            (\n 99|                Self::Semantic { last_frame },"}],"details":{"scopePath":"C:/Windows/Temp/librarian-herdr/src/server","searchPath":"C:/Windows/Temp/librarian-herdr/src/server","cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core","matchCount":9,"fileCount":2,"files":["C:/Windows/Temp/librarian-herdr/src/server/headless.rs","C:/Windows/Temp/librarian-herdr/src/server/render_stream.rs"],"fileMatches":[{"path":"C:/Windows/Temp/librarian-herdr/src/server/headless.rs","count":7},{"path":"C:/Windows/Temp/librarian-herdr/src/server/render_stream.rs","count":2}],"truncated":false,"displayContent":"# C:/Windows/Temp/librarian-herdr/src/server/\n## headless.rs\n 3489│        let prepare_started = crate::render_prof::timer();\n*3490│        let Some(prepared) = client.render_state.prepare_frame(frame) else {\n 3491│            client.clear_deferred_render();\n 3492│            crate::render_prof::event(\"retained_send.skip_identical\");\n 3493│            crate::render_prof::duration_since(\"retained_send.prepare_frame\", prepare_started);\n     │...\n 3525│                client.clear_deferred_render();\n*3526│                client.render_state.commit_sent_frame(prepared);\n 3527│                crate::render_prof::event(\"retained_send.sent\");\n 3528│                crate::render_prof::duration_since(\"retained_send.try_send\", send_started);\n 3529│                true\n     │...\n 3706│            let prepare_started = crate::render_prof::timer();\n*3707│            let Some(mut prepared) = client.render_state.prepare_frame(frame) else {\n 3708│                client.clear_deferred_render();\n 3709│                crate::render_prof::event(\"full_render.skip_identical\");\n 3710│                crate::render_prof::duration_since(\"full_render.prepare_frame\", prepare_started);\n     │...\n 3738│                    let Some(text_only_prepared) =\n*3739│                        client.render_state.prepare_frame(text_only_frame)\n 3740│                    else {\n 3741│                        client.clear_deferred_render();\n 3742│                        crate::render_prof::event(\"full_render.skip_identical_text_only\");\n     │...\n 3793│                    }\n*3794│                    client.render_state.commit_sent_frame(prepared);\n 3795│                    crate::render_prof::event(\"full_render.sent\");\n 3796│                    crate::render_prof::duration_since(\"full_render.try_send\", send_started);\n 3797│                }\n     │...\n 8229│            .render_state\n*8230│            .prepare_frame(frame)\n 8231│            .expect(\"hyperlink frame differs\");\n*8232│        client.render_state.commit_sent_frame(prepared);\n 8233│\n 8234│        let runtime = server\n 8235│            .app\n## render_stream.rs\n 43│\n*44│    pub(crate) fn prepare_frame(&mut self, frame: FrameData) -> Option<PreparedRender> {\n 45│        match self {\n 46│            Self::Semantic { last_frame } => {\n 47│                if last_frame.as_ref() == Some(&frame) {\n   │...\n 95│\n*96│    pub(crate) fn commit_sent_frame(&mut self, prepared: PreparedRender) {\n 97│        match (self, prepared) {\n 98│            (\n 99│                Self::Semantic { last_frame },"},"isError":false,"timestamp":1784365557789}}
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{"type":"custom","customType":"tool_execution_start","data":{"toolCallId":"call_8Ji1DB1MpWLrvsIrPTOz1Nll|fc_0784f445f025ad6b016a5b41f7b388819a8243b89fa5ceab8a","toolName":"read","startedAt":"2026-07-18T09:06:00.575Z","args":{"path":"C:/Windows/Temp/librarian-herdr/src/server/headless.rs"},"intent":"Reading send commit conditions"},"id":"092bc128","parentId":"730adc2a","timestamp":"2026-07-18T09:06:00.575Z"}
{"type":"message","id":"19ed473a","parentId":"092bc128","timestamp":"2026-07-18T09:06:00.634Z","message":{"role":"toolResult","toolCallId":"call_8Ji1DB1MpWLrvsIrPTOz1Nll|fc_0784f445f025ad6b016a5b41f7b388819a8243b89fa5ceab8a","toolName":"read","content":[{"type":"text","text":"    fn send_retained_frame_to_client(\n…\n    ) -> bool {\n        let Some(client) = self.clients.get_mut(&client_id) else {\n            crate::render_prof::event(\"retained_send_fallback.client_missing\");\n            return false;\n        };\n        let Some(writer) = client.writer.as_ref().cloned() else {\n            crate::render_prof::event(\"retained_send_fallback.writer_missing\");\n            return false;\n        };\n        let prepare_started = crate::render_prof::timer();\n        let Some(prepared) = client.render_state.prepare_frame(frame) else {\n            client.clear_deferred_render();\n            crate::render_prof::event(\"retained_send.skip_identical\");\n            crate::render_prof::duration_since(\"retained_send.prepare_frame\", prepare_started);\n            return true;\n        };\n        crate::render_prof::duration_since(\"retained_send.prepare_frame\", prepare_started);\n        let serialize_started = crate::render_prof::timer();\n        let serialized = match Self::frame_server_message(prepared.message()) {\n            Ok(framed) => {\n                crate::render_prof::duration_since(\"retained_send.serialize\", serialize_started);\n                framed\n            }\n            Err(protocol::FramingError::Oversized { claimed, max }) => {\n                warn!(\n                    client_id,\n                    claimed, max, \"skipping oversized retained frame for client\"\n                );\n                crate::render_prof::event(\"retained_send_fallback.serialize_oversized\");\n                crate::render_prof::duration_since(\"retained_send.serialize\", serialize_started);\n                return false;\n            }\n            Err(err) => {\n                warn!(client_id, err = %err, \"failed to serialize retained frame for client\");\n                broken_clients.push(client_id);\n                crate::render_prof::event(\"retained_send_fallback.serialize_error\");\n                crate::render_prof::duration_since(\"retained_send.serialize\", serialize_started);\n                return false;\n            }\n        };\n        crate::render_prof::counter(\"retained_send.bytes\", serialized.len() as u64);\n\n        let send_started = crate::render_prof::timer();\n        match writer.render.try_send(serialized) {\n            Ok(()) => {\n                client.clear_deferred_render();\n                client.render_state.commit_sent_frame(prepared);\n                crate::render_prof::event(\"retained_send.sent\");\n                crate::render_prof::duration_since(\"retained_send.try_send\", send_started);\n                true\n            }\n            Err(std::sync::mpsc::TrySendError::Full(_)) => {\n                client.defer_full_render();\n                crate::render_prof::event(\"retained_send_fallback.queue_full\");\n                crate::render_prof::duration_since(\"retained_send.try_send\", send_started);\n                debug!(\n…\n                );\n…\n            }\n…\n        }\n    }\n…\n            if frame.graphics.len() > MAX_GRAPHICS_FRAME_SIZE {\n                warn!(\n…\n                );\n                frame.graphics.clear();\n                commit_graphics_cache = false;\n            }\n\n            let max_frame_size = if frame.graphics.is_empty() {\n                MAX_FRAME_SIZE\n            } else {\n                MAX_GRAPHICS_FRAME_SIZE\n            };\n            let has_graphics = !frame.graphics.is_empty();\n            let prepare_started = crate::render_prof::timer();\n            let Some(mut prepared) = client.render_state.prepare_frame(frame) else {\n                client.clear_deferred_render();\n                crate::render_prof::event(\"full_render.skip_identical\");\n                crate::render_prof::duration_since(\"full_render.prepare_frame\", prepare_started);\n                continue;\n            };\n            crate::render_prof::duration_since(\"full_render.prepare_frame\", prepare_started);\n\n            let serialize_started = crate::render_prof::timer();\n            let serialized = match Self::frame_server_message_with_max(\n                prepared.message(),\n                max_frame_size,\n            ) {\n                Ok(framed) => {\n                    crate::render_prof::duration_since(\"full_render.serialize\", serialize_started);\n                    framed\n                }\n                Err(protocol::FramingError::Oversized { claimed, max }) if has_graphics => {\n                    warn!(\n                        client_id,\n                        claimed, max, \"dropping graphics from oversized frame for client\"\n                    );\n                    let Some(mut text_only_frame) = prepared.into_frame() else {\n                        crate::render_prof::event(\"full_render.serialize_error\");\n                        crate::render_prof::duration_since(\n                            \"full_render.serialize\",\n                            serialize_started,\n                        );\n                        continue;\n                    };\n                    text_only_frame.graphics.clear();\n                    let Some(text_only_prepared) =\n                        client.render_state.prepare_frame(text_only_frame)\n                    else {\n                        client.clear_deferred_render();\n                        crate::render_prof::event(\"full_render.skip_identical_text_only\");\n                        crate::render_prof::duration_since(\n                            \"full_render.serialize\",\n                            serialize_started,\n                        );\n                        continue;\n                    };\n                    let framed = match Self::frame_server_message(text_only_prepared.message()) {\n                        Ok(framed) => framed,\n                        Err(err) => {\n                            warn!(client_id, err = %err, \"failed to serialize text-only frame for client\");\n                            broken_clients.push(client_id);\n                            crate::render_prof::event(\"full_render.serialize_error\");\n                            crate::render_prof::duration_since(\n                                \"full_render.serialize\",\n                                serialize_started,\n                            );\n                            continue;\n                        }\n                    };\n                    prepared = text_only_prepared;\n                    commit_graphics_cache = false;\n                    crate::render_prof::duration_since(\"full_render.serialize\", serialize_started);\n                    framed\n                }\n                Err(protocol::FramingError::Oversized { claimed, max }) => {\n                    warn!(\n                        client_id,\n                        claimed, max, \"skipping oversized frame for client\"\n                    );\n                    crate::render_prof::event(\"full_render.serialize_oversized\");\n                    crate::render_prof::duration_since(\"full_render.serialize\", serialize_started);\n                    continue;\n                }\n                Err(err) => {\n                    warn!(client_id, err = %err, \"failed to serialize frame for client\");\n                    broken_clients.push(client_id);\n                    crate::render_prof::event(\"full_render.serialize_error\");\n                    crate::render_prof::duration_since(\"full_render.serialize\", serialize_started);\n                    continue;\n                }\n            };\n            crate::render_prof::counter(\"full_render.bytes\", serialized.len() as u64);\n\n            let send_started = crate::render_prof::timer();\n            match writer.render.try_send(serialized) {\n                Ok(()) => {\n                    client.clear_deferred_render();\n                    if commit_graphics_cache {\n                        client.graphics_cache = next_graphics_cache;\n                        client.graphics_surface_reset_pending = false;\n                    }\n                    client.render_state.commit_sent_frame(prepared);\n                    crate::render_prof::event(\"full_render.sent\");\n                    crate::render_prof::duration_since(\"full_render.try_send\", send_started);\n                }\n                Err(std::sync::mpsc::TrySendError::Full(_)) => {\n                    client.defer_full_render();\n                    deferred_frame = true;\n…\n                }\n…\n            }"}],"details":{"displayContent":{"text":"    fn send_retained_frame_to_client(\n…\n    ) -> bool {\n        let Some(client) = self.clients.get_mut(&client_id) else {\n            crate::render_prof::event(\"retained_send_fallback.client_missing\");\n            return false;\n        };\n        let Some(writer) = client.writer.as_ref().cloned() else {\n            crate::render_prof::event(\"retained_send_fallback.writer_missing\");\n            return false;\n        };\n        let prepare_started = crate::render_prof::timer();\n        let Some(prepared) = client.render_state.prepare_frame(frame) else {\n            client.clear_deferred_render();\n            crate::render_prof::event(\"retained_send.skip_identical\");\n            crate::render_prof::duration_since(\"retained_send.prepare_frame\", prepare_started);\n            return true;\n        };\n        crate::render_prof::duration_since(\"retained_send.prepare_frame\", prepare_started);\n        let serialize_started = crate::render_prof::timer();\n        let serialized = match Self::frame_server_message(prepared.message()) {\n            Ok(framed) => {\n                crate::render_prof::duration_since(\"retained_send.serialize\", serialize_started);\n                framed\n            }\n            Err(protocol::FramingError::Oversized { claimed, max }) => {\n                warn!(\n                    client_id,\n                    claimed, max, \"skipping oversized retained frame for client\"\n                );\n                crate::render_prof::event(\"retained_send_fallback.serialize_oversized\");\n                crate::render_prof::duration_since(\"retained_send.serialize\", serialize_started);\n                return false;\n            }\n            Err(err) => {\n                warn!(client_id, err = %err, \"failed to serialize retained frame for client\");\n                broken_clients.push(client_id);\n                crate::render_prof::event(\"retained_send_fallback.serialize_error\");\n                crate::render_prof::duration_since(\"retained_send.serialize\", serialize_started);\n                return false;\n            }\n        };\n        crate::render_prof::counter(\"retained_send.bytes\", serialized.len() as u64);\n\n        let send_started = crate::render_prof::timer();\n        match writer.render.try_send(serialized) {\n            Ok(()) => {\n                client.clear_deferred_render();\n                client.render_state.commit_sent_frame(prepared);\n                crate::render_prof::event(\"retained_send.sent\");\n                crate::render_prof::duration_since(\"retained_send.try_send\", send_started);\n                true\n            }\n            Err(std::sync::mpsc::TrySendError::Full(_)) => {\n                client.defer_full_render();\n                crate::render_prof::event(\"retained_send_fallback.queue_full\");\n                crate::render_prof::duration_since(\"retained_send.try_send\", send_started);\n                debug!(\n…\n                );\n…\n            }\n…\n        }\n    }\n…\n            if frame.graphics.len() > MAX_GRAPHICS_FRAME_SIZE {\n                warn!(\n…\n                );\n                frame.graphics.clear();\n                commit_graphics_cache = false;\n            }\n\n            let max_frame_size = if frame.graphics.is_empty() {\n                MAX_FRAME_SIZE\n            } else {\n                MAX_GRAPHICS_FRAME_SIZE\n            };\n            let has_graphics = !frame.graphics.is_empty();\n            let prepare_started = crate::render_prof::timer();\n            let Some(mut prepared) = client.render_state.prepare_frame(frame) else {\n                client.clear_deferred_render();\n                crate::render_prof::event(\"full_render.skip_identical\");\n                crate::render_prof::duration_since(\"full_render.prepare_frame\", prepare_started);\n                continue;\n            };\n            crate::render_prof::duration_since(\"full_render.prepare_frame\", prepare_started);\n\n            let serialize_started = crate::render_prof::timer();\n            let serialized = match Self::frame_server_message_with_max(\n                prepared.message(),\n                max_frame_size,\n            ) {\n                Ok(framed) => {\n                    crate::render_prof::duration_since(\"full_render.serialize\", serialize_started);\n                    framed\n                }\n                Err(protocol::FramingError::Oversized { claimed, max }) if has_graphics => {\n                    warn!(\n                        client_id,\n                        claimed, max, \"dropping graphics from oversized frame for client\"\n                    );\n                    let Some(mut text_only_frame) = prepared.into_frame() else {\n                        crate::render_prof::event(\"full_render.serialize_error\");\n                        crate::render_prof::duration_since(\n                            \"full_render.serialize\",\n                            serialize_started,\n                        );\n                        continue;\n                    };\n                    text_only_frame.graphics.clear();\n                    let Some(text_only_prepared) =\n                        client.render_state.prepare_frame(text_only_frame)\n                    else {\n                        client.clear_deferred_render();\n                        crate::render_prof::event(\"full_render.skip_identical_text_only\");\n                        crate::render_prof::duration_since(\n                            \"full_render.serialize\",\n                            serialize_started,\n                        );\n                        continue;\n                    };\n                    let framed = match Self::frame_server_message(text_only_prepared.message()) {\n                        Ok(framed) => framed,\n                        Err(err) => {\n                            warn!(client_id, err = %err, \"failed to serialize text-only frame for client\");\n                            broken_clients.push(client_id);\n                            crate::render_prof::event(\"full_render.serialize_error\");\n                            crate::render_prof::duration_since(\n                                \"full_render.serialize\",\n                                serialize_started,\n                            );\n                            continue;\n                        }\n                    };\n                    prepared = text_only_prepared;\n                    commit_graphics_cache = false;\n                    crate::render_prof::duration_since(\"full_render.serialize\", serialize_started);\n                    framed\n                }\n                Err(protocol::FramingError::Oversized { claimed, max }) => {\n                    warn!(\n                        client_id,\n                        claimed, max, \"skipping oversized frame for client\"\n                    );\n                    crate::render_prof::event(\"full_render.serialize_oversized\");\n                    crate::render_prof::duration_since(\"full_render.serialize\", serialize_started);\n                    continue;\n                }\n                Err(err) => {\n                    warn!(client_id, err = %err, \"failed to serialize frame for client\");\n                    broken_clients.push(client_id);\n                    crate::render_prof::event(\"full_render.serialize_error\");\n                    crate::render_prof::duration_since(\"full_render.serialize\", serialize_started);\n                    continue;\n                }\n            };\n            crate::render_prof::counter(\"full_render.bytes\", serialized.len() as u64);\n\n            let send_started = crate::render_prof::timer();\n            match writer.render.try_send(serialized) {\n                Ok(()) => {\n                    client.clear_deferred_render();\n                    if commit_graphics_cache {\n                        client.graphics_cache = next_graphics_cache;\n                        client.graphics_surface_reset_pending = false;\n                    }\n                    client.render_state.commit_sent_frame(prepared);\n                    crate::render_prof::event(\"full_render.sent\");\n                    crate::render_prof::duration_since(\"full_render.try_send\", send_started);\n                }\n                Err(std::sync::mpsc::TrySendError::Full(_)) => {\n                    client.defer_full_render();\n                    deferred_frame = true;\n…\n                }\n…\n            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{"type":"message","id":"a4b027e9","parentId":"19ed473a","timestamp":"2026-07-18T09:06:03.251Z","message":{"role":"assistant","content":[{"type":"thinking","thinking":"**Planning mandatory clone cleanup**"},{"type":"toolCall","id":"call_C6R3g1mD3yy5IQrBDw1Rpc67|fc_0784f445f025ad6b016a5b41fabf3c819aa7660fa0a7066c16","name":"bash","arguments":{"i":"Cleaning cloned repository","command":"rm -rf C:/Windows/Temp/librarian-herdr","timeout":30,"cwd":"C:/Users/decid/Documents/projects/spt-core"}}],"api":"openai-codex-responses","provider":"openai-codex","model":"gpt-5.6-sol","usage":{"input":2164,"output":65,"cacheRead":81408,"cacheWrite":0,"totalTokens":83637,"reasoningTokens":9,"cost":{"input":0.010820000000000001,"output":0.0019500000000000001,"cacheRead":0.040704,"cacheWrite":0,"total":0.053474}},"stopReason":"toolUse","timestamp":1784365560678,"responseId":"resp_0784f445f025ad6b016a5b41f8d3f4819aaa9a614898b7d938","providerPayload":{"type":"openaiResponsesHistory","provider":"openai-codex","dt":true,"items":[{"id":"rs_0784f445f025ad6b016a5b41f9f27c819a98e8c117fba4cf5f","type":"reasoning","content":[],"encrypted_content":"gAAAAABqW0H6zFAXaY5d7bNYXQieBYbQ1nfP4myl42ne8e2GVKSGwWEnk0V2GRvezuM_55LGE-yOTcdpKPdzc6cGHr1k4kZINH3CqqCZkDdJmiYB7l_QlcWri5P6GgaZ2frJ-tza67nX_ays7VSGj44qCi_WPxE61JKG_rVr9uaKSKMFXUev3XhLbHjxOAI6YxlvIrHUbZapDZNwqyLOI4j0YJf_2X1aHDJuNdAwvzZSoCzWZBG4eW5QUlqPna46oa9KPdVLIKd3xErSHs8cmqwgRq_iQ5lcWr1JU59cRBtyXZ3iUqCjR2II9G46KuNOLRl84BaRzDS-jiMl416xTevR44Hr__p3d1x49qitsi6zR4Ucx02WqL8gwfgDKYFcCjvsszTH63MtaxIC3lS377SK8tMwjnv43WchtNX3m0Y-jr3ppN_Y1JVq5_5QlZfNL0qkbyoycYtl8NGb6DDPb9ycwxjmgFo4O9AIQAJ7t_1h2MpPaW_W_AP3VE5rbLPXEIFQqx6OGHTRkZsh5BNnZVMUI67hPo0gUw5PXdZfz8i7WM7uLJDYGQtd2hB0L8rA5W7NqSryxVb_Y2i0ew2WtS3hEhZay9sdCOJCVK_24UmIoHtxbSQabRu3h7s-kTmsKYN48ahjmUfSVprHO1XhfkcV-eIAF1EjUxwDGpysDH2b439SpU4Fmay-6me3UHgJ_8jYAczCC5zGm1Qs8EXaMG3eeDFr1k0oP95FvRueFl5LuFuWcYuMGGJ8X-BpUm0y3_9sNE0Kf0FgeA9FriK18rLobT6iZCAD2eQZfiAy4Qx2WiN8DIk1Ln2RXbL1FDiBEge8UjD18Y5qFPL1OW0auc1CgMtqNI3qErI3WqIfuGPzqrlOjGGiP29ByO-8U5LFI9xL7Q9uYvrINGH0ng4KLg6lbeNDnPheu3ZeBgpoJVG3B-w7_Z_8IqINMmC7MoBh-I3V-taeyvG8Ks-lC5Tmwin9s53bXKLbUw==","summary":[{"type":"summary_text","text":"**Planning mandatory clone cleanup**"}]},{"id":"fc_0784f445f025ad6b016a5b41fabf3c819aa7660fa0a7066c16","type":"function_call","status":"completed","arguments":"{\"i\":\"Cleaning cloned repository\",\"command\":\"rm -rf C:/Windows/Temp/librarian-herdr\",\"timeout\":30,\"cwd\":\"C:/Users/decid/Documents/projects/spt-core\"}","call_id":"call_C6R3g1mD3yy5IQrBDw1Rpc67","name":"bash"}]},"duration":2558.790300011635,"ttft":1263.1836999952793,"contextSnapshot":{"promptTokens":83572,"nonMessageTokens":18167}}}
{"type":"custom","customType":"tool_execution_start","data":{"toolCallId":"call_C6R3g1mD3yy5IQrBDw1Rpc67|fc_0784f445f025ad6b016a5b41fabf3c819aa7660fa0a7066c16","toolName":"bash","startedAt":"2026-07-18T09:06:03.251Z","args":{"command":"rm -rf C:/Windows/Temp/librarian-herdr"},"intent":"Cleaning cloned repository"},"id":"f5883ed0","parentId":"a4b027e9","timestamp":"2026-07-18T09:06:03.251Z"}
{"type":"message","id":"55614aa2","parentId":"f5883ed0","timestamp":"2026-07-18T09:06:04.000Z","message":{"role":"toolResult","toolCallId":"call_C6R3g1mD3yy5IQrBDw1Rpc67|fc_0784f445f025ad6b016a5b41fabf3c819aa7660fa0a7066c16","toolName":"bash","content":[{"type":"text","text":"(no output)\n\nWall time: 0.75 seconds"}],"details":{"timeoutSeconds":30,"wallTimeMs":746.0891000032425},"isError":false,"timestamp":1784365563999}}
{"type":"message","id":"06c50e07","parentId":"55614aa2","timestamp":"2026-07-18T09:08:11.923Z","message":{"role":"assistant","content":[{"type":"thinking","thinking":"**Extracting precise API URLs and signatures**"},{"type":"toolCall","id":"call_5NAgzPsDRpiMdUcaKT4gDZhJ|fc_0784f445f025ad6b016a5b41feb56c819ab9db323387614f82","name":"yield","arguments":{"type":null,"result":{"data":{"answer":"Investigated upstream `ogulcancelik/herdr` v0.7.4 at commit `02a6e874f67800891b5a549297219ed6f3ce0f2f`. Herdr has substantial, directly relevant terminal/TUI/PTY implementation; this is not a case where the project merely delegates everything to dependencies.\n\n## Executive conclusion\n\nThe strongest directly reusable pattern for SPT stale-cell bugs is Herdr’s semantic-frame + per-client differential encoder in `src/protocol/render_ansi.rs`, combined with its explicit baseline reset and commit-after-enqueue logic in `src/server/render_stream.rs` / `src/server/headless.rs`. It preserves whitespace because a blank is an ordinary cell symbol (`\" \"`) and changed blank cells are written just like other changed cells. It does not trim rows or output lines. When there is no valid baseline—or the dimensions differ—it emits `CSI 2 J` plus home and repaints every non-skip cell. This is a robust answer to stale cells left behind when replacement content is shorter.\n\nThe rendering architecture is useful, but should not be copied wholesale into SPT. Herdr is a full multiplexer with a semantic cell grid, Ratatui rendering, client/server frame protocol, Kitty graphics, hyperlinks, cursor-shape tracking, and a PTY actor. SPT likely needs only a much smaller terminal-surface contract: retain the last acknowledged rectangular frame, compare all cells including spaces, explicitly erase or overwrite vacated suffix cells, invalidate the baseline after resize/reconnect/focus surface loss, and commit the new baseline only after successful output delivery.\n\n## Full-frame versus differential rendering\n\n* `BlitEncoder` owns `last_frame: Option<FrameData>`. First paint, a forced paint, and any width/height change are full redraws; otherwise the encoder compares current and previous cells and emits only changed cells.\n* Full redraw uses `ESC [ 2 J ESC [ H`, then visits the entire rectangular frame and writes every non-`skip` cell at an explicit cursor position. Differential redraw scans every row/column and writes any visually changed cell.\n* Frames are wrapped in synchronized-output mode (`CSI ? 2026 h` / `CSI ? 2026 l`) and the hardware cursor is hidden before cell writes, then positioned and restored at the end. This reduces visible intermediate states and cursor artifacts; it is useful polish but is not the core stale-cell fix.\n* Semantic clients skip byte-identical frames. Terminal-ANSI clients also skip a frame when their encoder baseline equals it.\n* Server-side baselines are transactional at the queue boundary: `prepare_frame` computes against the current baseline without mutating it; `commit_sent_frame` runs only after `try_send` succeeds. A full render is deferred if the one-slot render lane is full rather than falsely advancing the baseline.\n\n**SPT applicability:** directly reusable conceptually. Maintain a rectangular cell model or equivalent line-width-aware snapshot. Diff against the last successfully delivered frame, not the last attempted render. A simpler SPT implementation can operate row-wise, but it must represent trailing blanks/vacated cells explicitly.\n\n## Whitespace preservation and stale-cell prevention\n\n* `FrameData::from_buffer` copies each Ratatui cell’s symbol verbatim with `cell.symbol().to_owned()`; the wire type describes it as a grapheme cluster. There is no trimming in this conversion.\n* A blank cell is represented as `symbol: \" \"`. `cells_visually_equal` compares the symbol, foreground/background, modifier, and sanitized hyperlink. Therefore a transition from `x` to ` ` is a change and causes an actual space byte to be emitted.\n* `write_cell` writes `cell.symbol.as_bytes()` with no `trim`, `trim_end`, newline normalization, or omission of spaces. Full-frame writing does the same.\n* Wide graphemes are handled conservatively: Herdr tracks display width with `unicode-width`, skips continuation cells, and invalidates the maximum width occupied by the old or new grapheme. That prevents remnants when replacing a wide glyph with a narrow glyph.\n* `skip` is treated as Ratatui internal continuation metadata rather than visual equality. This distinction matters for double-width glyphs.\n\n**SPT applicability:** this is the most important reusable behavior. Never run terminal-render payloads through line-oriented normalization such as `trim_end()`, and never infer that trailing spaces are insignificant. For each changed row, either (a) emit its complete target width, including spaces, or (b) emit the changed prefix and an explicit erase-to-end-of-line. If SPT accepts arbitrary Unicode, compute display-cell width rather than byte/character count.\n\n## Erase-in-line / erase-screen behavior\n\n* Herdr explicitly uses erase-screen only for a full redraw: `ESC[2J ESC[H`.\n* Its differential path does **not** use EL (`CSI K`). It overwrites each changed cell, including cells that became spaces. This works because the frame is a complete fixed-size rectangular grid.\n* No relevant production implementation of erase-to-end-of-line was found in the renderer. Consequently, Herdr’s exact differential approach assumes the producer supplies every cell in the target rectangle.\n\n**SPT recommendation:** choose one invariant and enforce it. If SPT has complete rows, Herdr-style blank-cell overwrite is deterministic and styling-safe. If SPT has variable-length logical lines, append `CSI 0 K` after painting a row whose previous display width exceeded its new width. On a baseline reset, use `CSI 2 J` + home followed by a full frame. Do not rely on newline movement or a shorter string to clear old terminal cells.\n\n## Alternate screen and raw mode\n\n* Herdr depends on `ratatui = 0.30` and `crossterm = 0.29`. Both its monolithic app and thin client call `ratatui::init()` and `ratatui::restore()`.\n* Ratatui 0.30’s official API documentation states that `init()` enables raw mode and the alternate screen, while `restore()` restores terminal state. Thus Herdr uses an alternate-screen full-screen TUI rather than painting into normal shell scrollback.\n* The thin client additionally disables line wrap while active, and restores line wrap, focus reporting, bracketed paste, mouse capture, host mouse modes, keyboard enhancement state, color-scheme reporting, cursor visibility, and cursor shape on teardown.\n\n**SPT applicability:** reuse only if SPT owns a full-screen surface. If SPT renders inside another harness’s owned terminal region, it should not independently enter/leave alternate screen or toggle global raw mode. Ownership must be singular. The cleanup principle is reusable: every mode enabled must have an idempotent inverse in one guard.\n\n## Raw-mode teardown, panic and exit guards\n\n* Thin-client setup returns `TerminalGuard`; its `Drop` calls `restore_terminal_state`, so normal return and error unwinding restore terminal modes.\n* The restore path is best-effort and comprehensive: clear received graphics, reset modifyOtherKeys, pop keyboard flags, enable wrapping, disable focus/bracketed paste/mouse, clear all known host mouse reporting modes, restore Windows console input mode, call `ratatui::restore()`, then show the cursor and reset DECSCUSR.\n* The monolithic path installs an explicit panic hook which disables enhanced modes, clears graphics, calls `ratatui::restore()`, and then invokes the previous hook. Ratatui 0.30 also documents that its initialization functions install a terminal-restoring panic hook.\n* The normal monolithic exit performs equivalent restoration before dropping application state.\n\n**SPT applicability:** directly reusable lifecycle pattern. Put terminal restoration in an idempotent RAII/finally guard, retain a panic/uncaught-exception/signal fallback appropriate to SPT’s runtime, and restore cursor visibility even if earlier cleanup steps fail. Avoid teardown code that returns early after one failed escape write.\n\n## Resize handling\n\n* Thin clients poll terminal geometry every 100 ms and send `ClientMessage::Resize` when columns, rows, or cell pixel dimensions change.\n* Server input clamps the size and routes it as `ServerEvent::ClientResize`.\n* PTY resize requests are coalesced in `SharedPtyControls.resize: Option<PtyResizeRequest>`; the actor takes the latest request, calls the PTY resize operation, and then enqueues terminal-query responses generated by the terminal emulator.\n* The blitter automatically full-redraws whenever prior and current frame dimensions differ. Focus-surface redraw requests replace the encoder with a new one, invalidating the old baseline.\n* The server recalculates effective shared runtime size when a foreground client disappears or foreground ownership changes.\n\n**SPT applicability:** directly reuse the invalidation rule: resize is a screen-generation boundary. Discard the old differential baseline and full repaint after the new geometry is established. Coalescing resize events to latest-wins is appropriate; rendering every intermediate size is unnecessary and increases races.\n\n## Disconnect handling\n\n* Client socket EOF, oversized messages, and other framing errors all become `ClientDisconnected` events. The client reader similarly converts server EOF/error into `ServerDisconnected`, producing a connection-lost result; the terminal guard then restores local modes.\n* The headless server is explicitly designed to continue after client disconnect, so PTY processes are not coupled to a viewing terminal.\n* Broken render clients are removed, and removal can trigger shared PTY resize recalculation.\n* PTY actors exit when either command channel disconnects, when shutdown is requested, or when a PTY read returns zero/error; the optional reader-exit callback is then invoked.\n\n**SPT applicability:** reuse the separation between PTY lifetime and renderer/client lifetime if SPT sessions are intended to survive UI disconnects. On reconnect, never reuse the old client’s differential baseline: initialize a new encoder/full frame for the new terminal surface.\n\n## Dependencies and architecture relevance\n\n* `ratatui 0.30`: creates the semantic cell buffer and supplies full-screen terminal initialization/restoration. Relevant if SPT already uses or can adopt a rectangular frame abstraction; otherwise the whole dependency is excessive.\n* `crossterm 0.29`: cross-platform terminal events and mode control. Relevant for cleanup and input/resize portability, but not necessary merely to fix stale cells.\n* patched `portable-pty 0.9.0`: actual PTY creation/resizing, with vendored platform code. Relevant to PTY lifecycle and resize, not to cell clearing.\n* `unicode-width 0.2`: critical if SPT’s stale artifacts involve wide Unicode/grapheme replacement.\n* Herdr’s client/server protocol, Kitty graphics cache, OSC 8 hyperlinks, agent/workspace architecture, and multiplexer persistence are irrelevant to the narrow SPT stale-cell problem.\n\n## Concrete recommendations for SPT\n\n1. Define an explicit terminal-surface generation containing `(width, height, cells/rows, cursor state)`; do not treat output as an append-only string stream.\n2. Preserve spaces exactly. Remove any `trim()`, `trim_end()`, line-splitting/rejoining, or JSON-to-text normalization on the render path.\n3. Keep one baseline per connected terminal surface. New connection, reconnect, resize, alternate-screen transition, focus-triggered surface loss, or detected write failure must invalidate it.\n4. First frame after invalidation: synchronized-output begin (where supported), hide cursor, `CSI 2 J`, home, emit the full rectangle, restore final cursor, synchronized-output end.\n5. Subsequent frames: compare display cells. Emit changed cells, including spaces. If SPT stores variable-length lines rather than a rectangle, use `CSI K` to erase the vacated suffix.\n6. Track wide-cell occupancy using terminal display width. Repaint the full union of old/new glyph widths when either side is wide.\n7. Separate encode from commit. Advance the baseline only after the transport has accepted—and ideally successfully flushed—the bytes. A dropped/backpressured render must remain pending or force the next frame full.\n8. Install one idempotent teardown guard covering raw mode, alternate screen, line wrap, cursor visibility/shape, mouse/focus/paste modes, and any keyboard enhancements. Run it on normal exit, exceptions/panics, disconnect, and termination signals that the runtime permits.\n9. Treat PTY resize as ordered with frame generation: resize PTY/emulator, obtain a frame for the new dimensions, reset baseline, then full repaint. Coalesce rapid resize notifications.\n10. Do **not** copy Herdr’s entire Ratatui/client-server stack for this bug. Port the encoder invariants and lifecycle boundaries, not the multiplexer architecture.\n\n## Caveats found\n\n* Herdr’s thin semantic client ignores errors from `write_encoded_frame_with_graphics`, `stdout.write_all`, and `flush`, then commits its local `BlitEncoder` baseline. That is weaker than its server queue logic and can theoretically produce a false baseline after a partial/failed host-terminal write. SPT should improve on this: commit only on successful write/flush, otherwise invalidate and full-redraw on recovery.\n* Herdr’s differential renderer does not emit EL. It is safe only because `FrameData` is rectangular and blanks are real cells. Copying only the diff loop while feeding variable-length strings would reproduce stale suffixes.\n* `ratatui::init()` panics on initialization failure according to the official 0.30 docs. A load-bearing SPT path may prefer `try_init()`/explicit error handling.\n* Synchronized output is terminal-dependent. It reduces tearing but must not be considered the mechanism that clears stale cells.\n* The repository is AGPL-3.0-or-later. Reusing design ideas is straightforward, but copying implementation code into a differently licensed SPT project requires license review.","sources":[{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"Cargo.toml","line_start":24,"line_end":46,"excerpt":"crossterm = \"0.29\"\n...\nportable-pty = \"=0.9.0\"\n...\nratatui = { version = \"0.30\", features = [\"unstable-rendered-line-info\"] }\n...\nunicode-width = \"0.2\"\n...\n[patch.crates-io]\nportable-pty = { path = \"vendor/portable-pty\" }"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/protocol/render_ansi.rs","line_start":1,"line_end":27,"excerpt":"//! Frame blitting — renders FrameData to the terminal using diff-based updates.\n//!\n//! The blitting strategy:\n//! 1. On the first frame, write the entire buffer (full redraw).\n//! 2. On subsequent frames, diff against the last frame and only write\n//!    the cells that changed.\n//! 3. Wrap each frame in synchronized output so terminals that support it do\n//!    not expose intermediate cursor positions while the frame is painted.\n...\n//! The goal is minimal output: skip unchanged cells, batch adjacent changes,\n//! and minimize cursor movement."},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/protocol/render_ansi.rs","line_start":48,"line_end":120,"excerpt":"/// Stateful encoder that diffs semantic frames into terminal ANSI bytes.\n#[derive(Default)]\npub(crate) struct BlitEncoder {\n    last_frame: Option<FrameData>,\n    last_visible_cursor: Option<(u16, u16)>,\n    last_cursor_shape: u8,\n}\n...\nlet full = force_full\n    || prev.is_none()\n    || prev.is_some_and(|p| p.width != frame.width || p.height != frame.height);\n...\npub(crate) fn commit(&mut self, frame: FrameData, encoded: EncodedBlit) {\n    self.last_visible_cursor = encoded.next_last_visible_cursor;\n    self.last_cursor_shape = encoded.next_last_cursor_shape;\n    self.last_frame = Some(frame);\n}"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/protocol/render_ansi.rs","line_start":417,"line_end":468,"excerpt":"// On first frame or size change, do a full redraw.\nlet full_redraw =\n    prev.is_none() || prev.is_some_and(|p| p.width != frame.width || p.height != frame.height);\n...\nlet _ = writer.write_all(b\"\\x1b[?2026h\");\n...\nlet _ = writer.write_all(b\"\\x1b[?25l\");\n...\nif full_redraw {\n    // Clear the screen and write all cells.\n    let _ = writer.write_all(b\"\\x1b[2J\\x1b[H\");\n    write_all_cells(&mut writer, frame);\n} else {\n    // Diff-based update: only write changed cells.\n    let prev = prev.unwrap();\n    write_changed_cells(&mut writer, frame, prev);\n}\n...\nlet _ = writer.write_all(b\"\\x1b[?2026l\");"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/protocol/render_ansi.rs","line_start":683,"line_end":768,"excerpt":"fn write_cell(\n    writer: &mut impl Write,\n    cursor_position: Option<(u16, u16)>,\n    cell: &CellData,\n...\n) {\n    if cell.skip {\n        return;\n    }\n...\n    let _ = writer.write_all(cell.symbol.as_bytes());\n}\n...\nif !cell.skip\n    && (!cells_visually_equal(..., cell, ..., prev_cell) || invalidated > 0)\n    && to_skip == 0\n{\n    ...\n    write_cell(..., cell, ...);\n...\n}\n...\nlet affected_width = cmp::max(cell_width(cell), cell_width(prev_cell));\ninvalidated = cmp::max(affected_width, invalidated).saturating_sub(1);"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/protocol/wire.rs","line_start":421,"line_end":424,"excerpt":"pub struct CellData {\n    /// Grapheme cluster displayed in this cell (usually 1–2 chars).\n    pub symbol: String,"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/protocol/wire.rs","line_start":475,"line_end":533,"excerpt":"/// Creates a `FrameData` from a ratatui `Buffer` and optional cursor.\n...\ncells.push(CellData {\n    symbol: cell.symbol().to_owned(),\n    fg: color_to_u32(cell.fg),\n    bg: color_to_u32(cell.bg),\n    modifier: modifier_to_u16(cell.modifier),\n...\nFrameData {\n    cells,\n    width,\n    height,"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/server/render_stream.rs","line_start":12,"line_end":62,"excerpt":"/// Per-client render baseline for the negotiated render encoding.\npub(crate) enum ClientRenderState {\n    /// Semantic clients compare full frame data and skip identical frames.\n    Semantic { last_frame: Option<FrameData> },\n    /// Terminal-ANSI clients keep a terminal diff encoder and sequence number.\n    TerminalAnsi { blit_encoder: BlitEncoder, seq: u64 },\n}\n...\npub(crate) fn reset_baseline(&mut self) {\n    match self {\n        Self::Semantic { last_frame } => *last_frame = None,\n        Self::TerminalAnsi { blit_encoder, .. } => *blit_encoder = BlitEncoder::new(),\n    }\n}"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/server/headless.rs","line_start":3518,"line_end":3531,"excerpt":"match writer.render.try_send(serialized) {\n    Ok(()) => {\n        client.clear_deferred_render();\n        client.render_state.commit_sent_frame(prepared);\n        crate::render_prof::event(\"retained_send.sent\");\n        ...\n        true\n    }\n    Err(std::sync::mpsc::TrySendError::Full(_)) => {\n        client.defer_full_render();"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/client/mod.rs","line_start":339,"line_end":423,"excerpt":"fn setup_terminal_with_capabilities(\n    enable_client_protocols: bool,\n    mouse_capture: bool,\n) -> io::Result<TerminalGuard> {\n    ratatui::init();\n...\n    execute!(io::stdout(), DisableLineWrap)?;\n\n    Ok(TerminalGuard {\n...\n/// Guard that restores the terminal when dropped.\nstruct TerminalGuard {"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/client/mod.rs","line_start":561,"line_end":652,"excerpt":"let _ = execute!(\n    io::stdout(),\n    EnableLineWrap,\n    DisableFocusChange,\n    DisableBracketedPaste,\n    DisableMouseCapture\n);\nlet _ = crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout());\n...\nratatui::restore();\nlet _ = write_terminal_restore_postlude(&mut io::stdout(), reset_host_color_scheme_reports);\n...\nimpl Drop for TerminalGuard {\n    fn drop(&mut self) {\n        restore_terminal_state(...);\n    }\n}"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/main.rs","line_start":750,"line_end":770,"excerpt":"let original_hook = std::panic::take_hook();\n...\nstd::panic::set_hook(Box::new(move |info| {\n    tracing::error!(\"PANIC: {info}\");\n...\n    let _ = execute!(\n        io::stdout(),\n        DisableFocusChange,\n        DisableBracketedPaste,\n        DisableMouseCapture\n    );\n...\n    ratatui::restore();\n    original_hook(info);\n}));"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/client/mod.rs","line_start":1496,"line_end":1532,"excerpt":"ClientLoopEvent::Resize(new_cols, new_rows, cell_width_px, cell_height_px) => {\n    state.reported_size = (new_cols, new_rows);\n    let msg = ClientMessage::Resize {\n        cols: new_cols,\n        rows: new_rows,\n        cell_width_px,\n        cell_height_px,\n    };\n...\nlet _ = write_encoded_frame_with_graphics(&mut stdout, &encoded.bytes, graphics);\nlet _ = stdout.flush();\nstate.blit_encoder.commit(frame_data, encoded);"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/client/mod.rs","line_start":2078,"line_end":2106,"excerpt":"/// Polls the terminal size and sends resize events when it changes.\nfn resize_poll_loop(...)\n{\n...\nwhile !should_quit.load(Ordering::Acquire) {\n    std::thread::sleep(Duration::from_millis(100));\n    let new_size = current_terminal_geometry(kitty_graphics_enabled);\n    if new_size != last_size {\n        last_size = new_size;\n        if resize_tx.blocking_send(ClientLoopEvent::Resize(...)).is_err() {\n            break;\n        }\n    }\n}"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/server/client_transport.rs","line_start":619,"line_end":645,"excerpt":"let msg: ClientMessage = match protocol::read_message(&mut stream, MAX_GRAPHICS_FRAME_SIZE) {\n    Ok(msg) => msg,\n    Err(protocol::FramingError::UnexpectedEof) => {\n        // Client disconnected.\n        let _ = server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\n        break;\n    }\n...\n    Err(err) => {\n        debug!(client_id, err = %err, \"client read error, closing\");\n        let _ = server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\n        break;\n    }\n};"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/pty/actor/unix.rs","line_start":607,"line_end":646,"excerpt":"fn apply_pending_controls(&mut self) {\n    let (resize, nudge) = {\n        let mut controls = self.controls.lock().unwrap_or_else(|poisoned| poisoned.into_inner());\n        (controls.resize.take(), controls.nudge.take())\n    };\n...\n    if let Some(request) = resize {\n        self.resize(request.resize);\n        self.enqueue_terminal_responses(request.terminal_responses);\n    }\n...\nfn read_once(&mut self) -> bool {\n...\n    match self.file.read(&mut buf) {\n        Ok(0) => false,\n...\n        Err(err) => {\n            debug!(pane = self.pane_id, err = %err, \"PTY actor read failed\");\n            false\n        }"},{"repo":"https://docs.rs/ratatui/0.30.0/ratatui/fn.init.html","path":"ratatui 0.30.0 official API documentation: init module","line_start":1,"line_end":1,"excerpt":"`init` - Creates a terminal with reasonable defaults including alternate screen and raw mode. Panics on failure. ... `restore` - Restores the terminal to its original state. Prints errors to stderr but does not panic. ... All initialization functions install a panic hook that automatically restores the terminal state before panicking."}],"api":[{"signature":"pub(crate) fn encode(&self, frame: &FrameData, force_full: bool) -> EncodedBlit","description":"Encodes a semantic frame as a full or differential ANSI blit without changing the stored baseline."},{"signature":"pub(crate) fn encode_with_suppressed_visible_cursor(\n        &self,\n        frame: &FrameData,\n        force_full: bool,\n    ) -> EncodedBlit","description":"Encodes a frame while suppressing the visible host cursor."},{"signature":"pub(crate) fn commit(&mut self, frame: FrameData, encoded: EncodedBlit)","description":"Commits the frame and cursor metadata as the new differential baseline."},{"signature":"pub(crate) fn is_current(&self, frame: &FrameData) -> bool","description":"Checks whether a semantic frame matches the committed baseline."},{"signature":"pub(crate) fn reset_baseline(&mut self)","description":"Invalidates a per-client semantic or ANSI render baseline."},{"signature":"pub(crate) fn prepare_frame(&mut self, frame: FrameData) -> Option<PreparedRender>","description":"Prepares a semantic or terminal-ANSI render while allowing identical frames to be skipped."},{"signature":"pub(crate) fn commit_sent_frame(&mut self, prepared: PreparedRender)","description":"Commits a prepared frame after successful render-channel enqueue."},{"signature":"fn setup_terminal(mouse_capture: bool) -> io::Result<TerminalGuard>","description":"Initializes the thin-client terminal and returns an RAII restoration guard."},{"signature":"fn restore_terminal_state(\n    reset_modify_other_keys: bool,\n    reset_host_color_scheme_reports: bool,\n    #[cfg(windows)] restore_windows_input_mode: Option<u32>,\n)","description":"Best-effort comprehensive terminal mode restoration used by TerminalGuard::drop."},{"signature":"pub(crate) fn resize(\n        &self,\n        rows: u16,\n        cols: u16,\n        cell_width_px: u32,\n        cell_height_px: u32,\n        terminal_responses: Vec<Bytes>,\n    )","description":"Coalesces and wakes the Unix PTY actor for a size/pixel-geometry change."}],"version":"herdr 0.7.4, commit 02a6e874f67800891b5a549297219ed6f3ce0f2f (dependencies: ratatui 0.30, crossterm 0.29, patched portable-pty 0.9.0, unicode-width 0.2)","breaking_changes":[],"caveats":["Herdr is AGPL-3.0-or-later; copying code into SPT requires license compatibility review.","The differential path has no erase-in-line command; correctness depends on complete rectangular FrameData and explicit blank cells.","The thin semantic client ignores stdout write/flush errors and still commits its baseline; SPT should not copy that behavior.","Synchronized-output support varies by terminal and is a tearing mitigation, not a stale-cell clearing mechanism.","Ratatui 0.30 `init()` panics on initialization failure; a load-bearing integration may prefer its fallible initialization API.","Herdr’s wide-glyph correctness depends on display-width tracking and continuation-cell metadata; a string-index diff is not equivalent."]}}}}],"api":"openai-codex-responses","provider":"openai-codex","model":"gpt-5.6-sol","usage":{"input":203,"output":6769,"cacheRead":83456,"cacheWrite":0,"totalTokens":90428,"reasoningTokens":26,"cost":{"input":0.001015,"output":0.20307,"cacheRead":0.041728,"cacheWrite":0,"total":0.245813}},"stopReason":"toolUse","timestamp":1784365564044,"responseId":"resp_0784f445f025ad6b016a5b41fc53f0819aaf51f05b35c222d6","providerPayload":{"type":"openaiResponsesHistory","provider":"openai-codex","dt":true,"items":[{"id":"rs_0784f445f025ad6b016a5b41fda410819a91d9fefa332297d4","type":"reasoning","content":[],"encrypted_content":"gAAAAABqW0H-kOm3UoJsbpzEAhASEwfgnsLC_GIrCir-QxTu9xLeQ0B5vxNiACg1jHroxuchYIGQi3ZRSqyJvw3bSLEOE6lVLuLztr70JndXYac0fDwRlf1O5-WFGwjsgqOYS2ooYgfMlh2dp5eW1qhxJSNA7D6c4RVNw7zyxd-bHIbkFYa98biO3oMeTT85oWrrEYanQnir_GBX3U2_wVK0-yp19Nbwsylo6AsyG9LQ8oyq3rTC1BQJmHlAlWefL6JoZVv0-iTmM03sd_8dqwVrjd5ZuGWgbL4O-6vWy7mAuc8cZnjSOCmmMr5arsfrz3AnH4InB8C7YZrT13XeYveElETxOoqnWn_Hv9agLcmbiBOLtk_7-rkiyOen8VoZqUjccbPEGp2DGu5bVD_KZvwEbFIDOfwIXOMsHFzpLplawPaqsgqY_dyNMesVKeDhTM4ko9vr5jTROezDQSmgs1n_OtWXyDF1XjmwvioIe3r2L0vrp72fSBv1RxUqwLlD5UNmSDCZKkaQvuKvbGzsa8ulprkIfuzkMyQaKviQIx2xx40mu5ytGzWYfUwO9-PNgdEUvJdp-lCbr2fS2qEFVuyT9fDXSsF99eMdaUFGkn1fdu3mESMGgx7tzw9o3BZSYEZYt-HrDukq2VgjrLO2CQowmhXXVQOhdCw3vA8-t0eDHLGOJWyJfteSoi9BeIWVJuwM-ry381WDpGpoHHA1IbjePzVx_qyrCj-h7qx1349vndM84tkik7bO6TOfYx_xMVoiotQwoM0W-_YS3-cgn3K4-EaacsahSXEydJR5wOqZhBAcBXPLxDqxH6wwknMCHvN3mRPxCDw9BGsZUrVPPqraExfM8AkVq3NtBo5ip37dEVJ1NVbcJ6grmLDLOP4K-z-cwDaAuvW_84a84--CRsf0iHiw41lT-B7hIZzs94ElabeT1Exc-feCep4A1z6tRgazMeQbDAIXEpsrbqUtDL1YDqao-beh4zB-QIIhvbCY5f8sqDCv3l1nD8aFvd7eHRMQHtzw1DTTxXD61riPs5O7yYoiJH0G-WntNxlrH00PtBBjagGd29VDj_2rTI98Fqcqsa_0MgQZZ2eHwJLxsbtH1yXAbAugsw==","summary":[{"type":"summary_text","text":"**Extracting precise API URLs and signatures**"}]},{"id":"fc_0784f445f025ad6b016a5b41feb56c819ab9db323387614f82","type":"function_call","status":"completed","arguments":"{\"type\":null,\"result\":{\"data\":{\"answer\":\"Investigated upstream `ogulcancelik/herdr` v0.7.4 at commit `02a6e874f67800891b5a549297219ed6f3ce0f2f`. Herdr has substantial, directly relevant terminal/TUI/PTY implementation; this is not a case where the project merely delegates everything to dependencies.\\n\\n## Executive conclusion\\n\\nThe strongest directly reusable pattern for SPT stale-cell bugs is Herdr’s semantic-frame + per-client differential encoder in `src/protocol/render_ansi.rs`, combined with its explicit baseline reset and commit-after-enqueue logic in `src/server/render_stream.rs` / `src/server/headless.rs`. It preserves whitespace because a blank is an ordinary cell symbol (`\\\" \\\"`) and changed blank cells are written just like other changed cells. It does not trim rows or output lines. When there is no valid baseline—or the dimensions differ—it emits `CSI 2 J` plus home and repaints every non-skip cell. This is a robust answer to stale cells left behind when replacement content is shorter.\\n\\nThe rendering architecture is useful, but should not be copied wholesale into SPT. Herdr is a full multiplexer with a semantic cell grid, Ratatui rendering, client/server frame protocol, Kitty graphics, hyperlinks, cursor-shape tracking, and a PTY actor. SPT likely needs only a much smaller terminal-surface contract: retain the last acknowledged rectangular frame, compare all cells including spaces, explicitly erase or overwrite vacated suffix cells, invalidate the baseline after resize/reconnect/focus surface loss, and commit the new baseline only after successful output delivery.\\n\\n## Full-frame versus differential rendering\\n\\n* `BlitEncoder` owns `last_frame: Option<FrameData>`. First paint, a forced paint, and any width/height change are full redraws; otherwise the encoder compares current and previous cells and emits only changed cells.\\n* Full redraw uses `ESC [ 2 J ESC [ H`, then visits the entire rectangular frame and writes every non-`skip` cell at an explicit cursor position. Differential redraw scans every row/column and writes any visually changed cell.\\n* Frames are wrapped in synchronized-output mode (`CSI ? 2026 h` / `CSI ? 2026 l`) and the hardware cursor is hidden before cell writes, then positioned and restored at the end. This reduces visible intermediate states and cursor artifacts; it is useful polish but is not the core stale-cell fix.\\n* Semantic clients skip byte-identical frames. Terminal-ANSI clients also skip a frame when their encoder baseline equals it.\\n* Server-side baselines are transactional at the queue boundary: `prepare_frame` computes against the current baseline without mutating it; `commit_sent_frame` runs only after `try_send` succeeds. A full render is deferred if the one-slot render lane is full rather than falsely advancing the baseline.\\n\\n**SPT applicability:** directly reusable conceptually. Maintain a rectangular cell model or equivalent line-width-aware snapshot. Diff against the last successfully delivered frame, not the last attempted render. A simpler SPT implementation can operate row-wise, but it must represent trailing blanks/vacated cells explicitly.\\n\\n## Whitespace preservation and stale-cell prevention\\n\\n* `FrameData::from_buffer` copies each Ratatui cell’s symbol verbatim with `cell.symbol().to_owned()`; the wire type describes it as a grapheme cluster. There is no trimming in this conversion.\\n* A blank cell is represented as `symbol: \\\" \\\"`. `cells_visually_equal` compares the symbol, foreground/background, modifier, and sanitized hyperlink. Therefore a transition from `x` to ` ` is a change and causes an actual space byte to be emitted.\\n* `write_cell` writes `cell.symbol.as_bytes()` with no `trim`, `trim_end`, newline normalization, or omission of spaces. Full-frame writing does the same.\\n* Wide graphemes are handled conservatively: Herdr tracks display width with `unicode-width`, skips continuation cells, and invalidates the maximum width occupied by the old or new grapheme. That prevents remnants when replacing a wide glyph with a narrow glyph.\\n* `skip` is treated as Ratatui internal continuation metadata rather than visual equality. This distinction matters for double-width glyphs.\\n\\n**SPT applicability:** this is the most important reusable behavior. Never run terminal-render payloads through line-oriented normalization such as `trim_end()`, and never infer that trailing spaces are insignificant. For each changed row, either (a) emit its complete target width, including spaces, or (b) emit the changed prefix and an explicit erase-to-end-of-line. If SPT accepts arbitrary Unicode, compute display-cell width rather than byte/character count.\\n\\n## Erase-in-line / erase-screen behavior\\n\\n* Herdr explicitly uses erase-screen only for a full redraw: `ESC[2J ESC[H`.\\n* Its differential path does **not** use EL (`CSI K`). It overwrites each changed cell, including cells that became spaces. This works because the frame is a complete fixed-size rectangular grid.\\n* No relevant production implementation of erase-to-end-of-line was found in the renderer. Consequently, Herdr’s exact differential approach assumes the producer supplies every cell in the target rectangle.\\n\\n**SPT recommendation:** choose one invariant and enforce it. If SPT has complete rows, Herdr-style blank-cell overwrite is deterministic and styling-safe. If SPT has variable-length logical lines, append `CSI 0 K` after painting a row whose previous display width exceeded its new width. On a baseline reset, use `CSI 2 J` + home followed by a full frame. Do not rely on newline movement or a shorter string to clear old terminal cells.\\n\\n## Alternate screen and raw mode\\n\\n* Herdr depends on `ratatui = 0.30` and `crossterm = 0.29`. Both its monolithic app and thin client call `ratatui::init()` and `ratatui::restore()`.\\n* Ratatui 0.30’s official API documentation states that `init()` enables raw mode and the alternate screen, while `restore()` restores terminal state. Thus Herdr uses an alternate-screen full-screen TUI rather than painting into normal shell scrollback.\\n* The thin client additionally disables line wrap while active, and restores line wrap, focus reporting, bracketed paste, mouse capture, host mouse modes, keyboard enhancement state, color-scheme reporting, cursor visibility, and cursor shape on teardown.\\n\\n**SPT applicability:** reuse only if SPT owns a full-screen surface. If SPT renders inside another harness’s owned terminal region, it should not independently enter/leave alternate screen or toggle global raw mode. Ownership must be singular. The cleanup principle is reusable: every mode enabled must have an idempotent inverse in one guard.\\n\\n## Raw-mode teardown, panic and exit guards\\n\\n* Thin-client setup returns `TerminalGuard`; its `Drop` calls `restore_terminal_state`, so normal return and error unwinding restore terminal modes.\\n* The restore path is best-effort and comprehensive: clear received graphics, reset modifyOtherKeys, pop keyboard flags, enable wrapping, disable focus/bracketed paste/mouse, clear all known host mouse reporting modes, restore Windows console input mode, call `ratatui::restore()`, then show the cursor and reset DECSCUSR.\\n* The monolithic path installs an explicit panic hook which disables enhanced modes, clears graphics, calls `ratatui::restore()`, and then invokes the previous hook. Ratatui 0.30 also documents that its initialization functions install a terminal-restoring panic hook.\\n* The normal monolithic exit performs equivalent restoration before dropping application state.\\n\\n**SPT applicability:** directly reusable lifecycle pattern. Put terminal restoration in an idempotent RAII/finally guard, retain a panic/uncaught-exception/signal fallback appropriate to SPT’s runtime, and restore cursor visibility even if earlier cleanup steps fail. Avoid teardown code that returns early after one failed escape write.\\n\\n## Resize handling\\n\\n* Thin clients poll terminal geometry every 100 ms and send `ClientMessage::Resize` when columns, rows, or cell pixel dimensions change.\\n* Server input clamps the size and routes it as `ServerEvent::ClientResize`.\\n* PTY resize requests are coalesced in `SharedPtyControls.resize: Option<PtyResizeRequest>`; the actor takes the latest request, calls the PTY resize operation, and then enqueues terminal-query responses generated by the terminal emulator.\\n* The blitter automatically full-redraws whenever prior and current frame dimensions differ. Focus-surface redraw requests replace the encoder with a new one, invalidating the old baseline.\\n* The server recalculates effective shared runtime size when a foreground client disappears or foreground ownership changes.\\n\\n**SPT applicability:** directly reuse the invalidation rule: resize is a screen-generation boundary. Discard the old differential baseline and full repaint after the new geometry is established. Coalescing resize events to latest-wins is appropriate; rendering every intermediate size is unnecessary and increases races.\\n\\n## Disconnect handling\\n\\n* Client socket EOF, oversized messages, and other framing errors all become `ClientDisconnected` events. The client reader similarly converts server EOF/error into `ServerDisconnected`, producing a connection-lost result; the terminal guard then restores local modes.\\n* The headless server is explicitly designed to continue after client disconnect, so PTY processes are not coupled to a viewing terminal.\\n* Broken render clients are removed, and removal can trigger shared PTY resize recalculation.\\n* PTY actors exit when either command channel disconnects, when shutdown is requested, or when a PTY read returns zero/error; the optional reader-exit callback is then invoked.\\n\\n**SPT applicability:** reuse the separation between PTY lifetime and renderer/client lifetime if SPT sessions are intended to survive UI disconnects. On reconnect, never reuse the old client’s differential baseline: initialize a new encoder/full frame for the new terminal surface.\\n\\n## Dependencies and architecture relevance\\n\\n* `ratatui 0.30`: creates the semantic cell buffer and supplies full-screen terminal initialization/restoration. Relevant if SPT already uses or can adopt a rectangular frame abstraction; otherwise the whole dependency is excessive.\\n* `crossterm 0.29`: cross-platform terminal events and mode control. Relevant for cleanup and input/resize portability, but not necessary merely to fix stale cells.\\n* patched `portable-pty 0.9.0`: actual PTY creation/resizing, with vendored platform code. Relevant to PTY lifecycle and resize, not to cell clearing.\\n* `unicode-width 0.2`: critical if SPT’s stale artifacts involve wide Unicode/grapheme replacement.\\n* Herdr’s client/server protocol, Kitty graphics cache, OSC 8 hyperlinks, agent/workspace architecture, and multiplexer persistence are irrelevant to the narrow SPT stale-cell problem.\\n\\n## Concrete recommendations for SPT\\n\\n1. Define an explicit terminal-surface generation containing `(width, height, cells/rows, cursor state)`; do not treat output as an append-only string stream.\\n2. Preserve spaces exactly. Remove any `trim()`, `trim_end()`, line-splitting/rejoining, or JSON-to-text normalization on the render path.\\n3. Keep one baseline per connected terminal surface. New connection, reconnect, resize, alternate-screen transition, focus-triggered surface loss, or detected write failure must invalidate it.\\n4. First frame after invalidation: synchronized-output begin (where supported), hide cursor, `CSI 2 J`, home, emit the full rectangle, restore final cursor, synchronized-output end.\\n5. Subsequent frames: compare display cells. Emit changed cells, including spaces. If SPT stores variable-length lines rather than a rectangle, use `CSI K` to erase the vacated suffix.\\n6. Track wide-cell occupancy using terminal display width. Repaint the full union of old/new glyph widths when either side is wide.\\n7. Separate encode from commit. Advance the baseline only after the transport has accepted—and ideally successfully flushed—the bytes. A dropped/backpressured render must remain pending or force the next frame full.\\n8. Install one idempotent teardown guard covering raw mode, alternate screen, line wrap, cursor visibility/shape, mouse/focus/paste modes, and any keyboard enhancements. Run it on normal exit, exceptions/panics, disconnect, and termination signals that the runtime permits.\\n9. Treat PTY resize as ordered with frame generation: resize PTY/emulator, obtain a frame for the new dimensions, reset baseline, then full repaint. Coalesce rapid resize notifications.\\n10. Do **not** copy Herdr’s entire Ratatui/client-server stack for this bug. Port the encoder invariants and lifecycle boundaries, not the multiplexer architecture.\\n\\n## Caveats found\\n\\n* Herdr’s thin semantic client ignores errors from `write_encoded_frame_with_graphics`, `stdout.write_all`, and `flush`, then commits its local `BlitEncoder` baseline. That is weaker than its server queue logic and can theoretically produce a false baseline after a partial/failed host-terminal write. SPT should improve on this: commit only on successful write/flush, otherwise invalidate and full-redraw on recovery.\\n* Herdr’s differential renderer does not emit EL. It is safe only because `FrameData` is rectangular and blanks are real cells. Copying only the diff loop while feeding variable-length strings would reproduce stale suffixes.\\n* `ratatui::init()` panics on initialization failure according to the official 0.30 docs. A load-bearing SPT path may prefer `try_init()`/explicit error handling.\\n* Synchronized output is terminal-dependent. It reduces tearing but must not be considered the mechanism that clears stale cells.\\n* The repository is AGPL-3.0-or-later. Reusing design ideas is straightforward, but copying implementation code into a differently licensed SPT project requires license review.\",\"sources\":[{\"repo\":\"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f\",\"path\":\"Cargo.toml\",\"line_start\":24,\"line_end\":46,\"excerpt\":\"crossterm = \\\"0.29\\\"\\n...\\nportable-pty = \\\"=0.9.0\\\"\\n...\\nratatui = { version = \\\"0.30\\\", features = [\\\"unstable-rendered-line-info\\\"] }\\n...\\nunicode-width = \\\"0.2\\\"\\n...\\n[patch.crates-io]\\nportable-pty = { path = \\\"vendor/portable-pty\\\" }\"},{\"repo\":\"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f\",\"path\":\"src/protocol/render_ansi.rs\",\"line_start\":1,\"line_end\":27,\"excerpt\":\"//! Frame blitting — renders FrameData to the terminal using diff-based updates.\\n//!\\n//! The blitting strategy:\\n//! 1. On the first frame, write the entire buffer (full redraw).\\n//! 2. On subsequent frames, diff against the last frame and only write\\n//!    the cells that changed.\\n//! 3. Wrap each frame in synchronized output so terminals that support it do\\n//!    not expose intermediate cursor positions while the frame is painted.\\n...\\n//! The goal is minimal output: skip unchanged cells, batch adjacent changes,\\n//! and minimize cursor movement.\"},{\"repo\":\"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f\",\"path\":\"src/protocol/render_ansi.rs\",\"line_start\":48,\"line_end\":120,\"excerpt\":\"/// Stateful encoder that diffs semantic frames into terminal ANSI bytes.\\n#[derive(Default)]\\npub(crate) struct BlitEncoder {\\n    last_frame: Option<FrameData>,\\n    last_visible_cursor: Option<(u16, u16)>,\\n    last_cursor_shape: u8,\\n}\\n...\\nlet full = force_full\\n    || prev.is_none()\\n    || prev.is_some_and(|p| p.width != frame.width || p.height != frame.height);\\n...\\npub(crate) fn commit(&mut self, frame: FrameData, encoded: EncodedBlit) {\\n    self.last_visible_cursor = encoded.next_last_visible_cursor;\\n    self.last_cursor_shape = encoded.next_last_cursor_shape;\\n    self.last_frame = Some(frame);\\n}\"},{\"repo\":\"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f\",\"path\":\"src/protocol/render_ansi.rs\",\"line_start\":417,\"line_end\":468,\"excerpt\":\"// On first frame or size change, do a full redraw.\\nlet full_redraw =\\n    prev.is_none() || prev.is_some_and(|p| p.width != frame.width || p.height != frame.height);\\n...\\nlet _ = writer.write_all(b\\\"\\\\x1b[?2026h\\\");\\n...\\nlet _ = writer.write_all(b\\\"\\\\x1b[?25l\\\");\\n...\\nif full_redraw {\\n    // Clear the screen and write all cells.\\n    let _ = writer.write_all(b\\\"\\\\x1b[2J\\\\x1b[H\\\");\\n    write_all_cells(&mut writer, frame);\\n} else {\\n    // Diff-based update: only write changed cells.\\n    let prev = prev.unwrap();\\n    write_changed_cells(&mut writer, frame, prev);\\n}\\n...\\nlet _ = writer.write_all(b\\\"\\\\x1b[?2026l\\\");\"},{\"repo\":\"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f\",\"path\":\"src/protocol/render_ansi.rs\",\"line_start\":683,\"line_end\":768,\"excerpt\":\"fn write_cell(\\n    writer: &mut impl Write,\\n    cursor_position: Option<(u16, u16)>,\\n    cell: &CellData,\\n...\\n) {\\n    if cell.skip {\\n        return;\\n    }\\n...\\n    let _ = writer.write_all(cell.symbol.as_bytes());\\n}\\n...\\nif !cell.skip\\n    && (!cells_visually_equal(..., cell, ..., prev_cell) || invalidated > 0)\\n    && to_skip == 0\\n{\\n    ...\\n    write_cell(..., cell, ...);\\n...\\n}\\n...\\nlet affected_width = cmp::max(cell_width(cell), cell_width(prev_cell));\\ninvalidated = cmp::max(affected_width, invalidated).saturating_sub(1);\"},{\"repo\":\"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f\",\"path\":\"src/protocol/wire.rs\",\"line_start\":421,\"line_end\":424,\"excerpt\":\"pub struct CellData {\\n    /// Grapheme cluster displayed in this cell (usually 1–2 chars).\\n    pub symbol: String,\"},{\"repo\":\"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f\",\"path\":\"src/protocol/wire.rs\",\"line_start\":475,\"line_end\":533,\"excerpt\":\"/// Creates a `FrameData` from a ratatui `Buffer` and optional cursor.\\n...\\ncells.push(CellData {\\n    symbol: cell.symbol().to_owned(),\\n    fg: color_to_u32(cell.fg),\\n    bg: color_to_u32(cell.bg),\\n    modifier: modifier_to_u16(cell.modifier),\\n...\\nFrameData {\\n    cells,\\n    width,\\n    height,\"},{\"repo\":\"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f\",\"path\":\"src/server/render_stream.rs\",\"line_start\":12,\"line_end\":62,\"excerpt\":\"/// Per-client render baseline for the negotiated render encoding.\\npub(crate) enum ClientRenderState {\\n    /// Semantic clients compare full frame data and skip identical frames.\\n    Semantic { last_frame: Option<FrameData> },\\n    /// Terminal-ANSI clients keep a terminal diff encoder and sequence number.\\n    TerminalAnsi { blit_encoder: BlitEncoder, seq: u64 },\\n}\\n...\\npub(crate) fn reset_baseline(&mut self) {\\n    match self {\\n        Self::Semantic { last_frame } => *last_frame = None,\\n        Self::TerminalAnsi { blit_encoder, .. } => *blit_encoder = BlitEncoder::new(),\\n    }\\n}\"},{\"repo\":\"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f\",\"path\":\"src/server/headless.rs\",\"line_start\":3518,\"line_end\":3531,\"excerpt\":\"match writer.render.try_send(serialized) {\\n    Ok(()) => {\\n        client.clear_deferred_render();\\n        client.render_state.commit_sent_frame(prepared);\\n        crate::render_prof::event(\\\"retained_send.sent\\\");\\n        ...\\n        true\\n    }\\n    Err(std::sync::mpsc::TrySendError::Full(_)) => {\\n        client.defer_full_render();\"},{\"repo\":\"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f\",\"path\":\"src/client/mod.rs\",\"line_start\":339,\"line_end\":423,\"excerpt\":\"fn setup_terminal_with_capabilities(\\n    enable_client_protocols: bool,\\n    mouse_capture: bool,\\n) -> io::Result<TerminalGuard> {\\n    ratatui::init();\\n...\\n    execute!(io::stdout(), DisableLineWrap)?;\\n\\n    Ok(TerminalGuard {\\n...\\n/// Guard that restores the terminal when dropped.\\nstruct TerminalGuard {\"},{\"repo\":\"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f\",\"path\":\"src/client/mod.rs\",\"line_start\":561,\"line_end\":652,\"excerpt\":\"let _ = execute!(\\n    io::stdout(),\\n    EnableLineWrap,\\n    DisableFocusChange,\\n    DisableBracketedPaste,\\n    DisableMouseCapture\\n);\\nlet _ = crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout());\\n...\\nratatui::restore();\\nlet _ = write_terminal_restore_postlude(&mut io::stdout(), reset_host_color_scheme_reports);\\n...\\nimpl Drop for TerminalGuard {\\n    fn drop(&mut self) {\\n        restore_terminal_state(...);\\n    }\\n}\"},{\"repo\":\"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f\",\"path\":\"src/main.rs\",\"line_start\":750,\"line_end\":770,\"excerpt\":\"let original_hook = std::panic::take_hook();\\n...\\nstd::panic::set_hook(Box::new(move |info| {\\n    tracing::error!(\\\"PANIC: {info}\\\");\\n...\\n    let _ = execute!(\\n        io::stdout(),\\n        DisableFocusChange,\\n        DisableBracketedPaste,\\n        DisableMouseCapture\\n    );\\n...\\n    ratatui::restore();\\n    original_hook(info);\\n}));\"},{\"repo\":\"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f\",\"path\":\"src/client/mod.rs\",\"line_start\":1496,\"line_end\":1532,\"excerpt\":\"ClientLoopEvent::Resize(new_cols, new_rows, cell_width_px, cell_height_px) => {\\n    state.reported_size = (new_cols, new_rows);\\n    let msg = ClientMessage::Resize {\\n        cols: new_cols,\\n        rows: new_rows,\\n        cell_width_px,\\n        cell_height_px,\\n    };\\n...\\nlet _ = write_encoded_frame_with_graphics(&mut stdout, &encoded.bytes, graphics);\\nlet _ = stdout.flush();\\nstate.blit_encoder.commit(frame_data, encoded);\"},{\"repo\":\"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f\",\"path\":\"src/client/mod.rs\",\"line_start\":2078,\"line_end\":2106,\"excerpt\":\"/// Polls the terminal size and sends resize events when it changes.\\nfn resize_poll_loop(...)\\n{\\n...\\nwhile !should_quit.load(Ordering::Acquire) {\\n    std::thread::sleep(Duration::from_millis(100));\\n    let new_size = current_terminal_geometry(kitty_graphics_enabled);\\n    if new_size != last_size {\\n        last_size = new_size;\\n        if resize_tx.blocking_send(ClientLoopEvent::Resize(...)).is_err() {\\n            break;\\n        }\\n    }\\n}\"},{\"repo\":\"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f\",\"path\":\"src/server/client_transport.rs\",\"line_start\":619,\"line_end\":645,\"excerpt\":\"let msg: ClientMessage = match protocol::read_message(&mut stream, MAX_GRAPHICS_FRAME_SIZE) {\\n    Ok(msg) => msg,\\n    Err(protocol::FramingError::UnexpectedEof) => {\\n        // Client disconnected.\\n        let _ = server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\\n        break;\\n    }\\n...\\n    Err(err) => {\\n        debug!(client_id, err = %err, \\\"client read error, closing\\\");\\n        let _ = server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\\n        break;\\n    }\\n};\"},{\"repo\":\"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f\",\"path\":\"src/pty/actor/unix.rs\",\"line_start\":607,\"line_end\":646,\"excerpt\":\"fn apply_pending_controls(&mut self) {\\n    let (resize, nudge) = {\\n        let mut controls = self.controls.lock().unwrap_or_else(|poisoned| poisoned.into_inner());\\n        (controls.resize.take(), controls.nudge.take())\\n    };\\n...\\n    if let Some(request) = resize {\\n        self.resize(request.resize);\\n        self.enqueue_terminal_responses(request.terminal_responses);\\n    }\\n...\\nfn read_once(&mut self) -> bool {\\n...\\n    match self.file.read(&mut buf) {\\n        Ok(0) => false,\\n...\\n        Err(err) => {\\n            debug!(pane = self.pane_id, err = %err, \\\"PTY actor read failed\\\");\\n            false\\n        }\"},{\"repo\":\"https://docs.rs/ratatui/0.30.0/ratatui/fn.init.html\",\"path\":\"ratatui 0.30.0 official API documentation: init module\",\"line_start\":1,\"line_end\":1,\"excerpt\":\"`init` - Creates a terminal with reasonable defaults including alternate screen and raw mode. Panics on failure. ... `restore` - Restores the terminal to its original state. Prints errors to stderr but does not panic. ... All initialization functions install a panic hook that automatically restores the terminal state before panicking.\"}],\"api\":[{\"signature\":\"pub(crate) fn encode(&self, frame: &FrameData, force_full: bool) -> EncodedBlit\",\"description\":\"Encodes a semantic frame as a full or differential ANSI blit without changing the stored baseline.\"},{\"signature\":\"pub(crate) fn encode_with_suppressed_visible_cursor(\\n        &self,\\n        frame: &FrameData,\\n        force_full: bool,\\n    ) -> EncodedBlit\",\"description\":\"Encodes a frame while suppressing the visible host cursor.\"},{\"signature\":\"pub(crate) fn commit(&mut self, frame: FrameData, encoded: EncodedBlit)\",\"description\":\"Commits the frame and cursor metadata as the new differential baseline.\"},{\"signature\":\"pub(crate) fn is_current(&self, frame: &FrameData) -> bool\",\"description\":\"Checks whether a semantic frame matches the committed baseline.\"},{\"signature\":\"pub(crate) fn reset_baseline(&mut self)\",\"description\":\"Invalidates a per-client semantic or ANSI render baseline.\"},{\"signature\":\"pub(crate) fn prepare_frame(&mut self, frame: FrameData) -> Option<PreparedRender>\",\"description\":\"Prepares a semantic or terminal-ANSI render while allowing identical frames to be skipped.\"},{\"signature\":\"pub(crate) fn commit_sent_frame(&mut self, prepared: PreparedRender)\",\"description\":\"Commits a prepared frame after successful render-channel enqueue.\"},{\"signature\":\"fn setup_terminal(mouse_capture: bool) -> io::Result<TerminalGuard>\",\"description\":\"Initializes the thin-client terminal and returns an RAII restoration guard.\"},{\"signature\":\"fn restore_terminal_state(\\n    reset_modify_other_keys: bool,\\n    reset_host_color_scheme_reports: bool,\\n    #[cfg(windows)] restore_windows_input_mode: Option<u32>,\\n)\",\"description\":\"Best-effort comprehensive terminal mode restoration used by TerminalGuard::drop.\"},{\"signature\":\"pub(crate) fn resize(\\n        &self,\\n        rows: u16,\\n        cols: u16,\\n        cell_width_px: u32,\\n        cell_height_px: u32,\\n        terminal_responses: Vec<Bytes>,\\n    )\",\"description\":\"Coalesces and wakes the Unix PTY actor for a size/pixel-geometry change.\"}],\"version\":\"herdr 0.7.4, commit 02a6e874f67800891b5a549297219ed6f3ce0f2f (dependencies: ratatui 0.30, crossterm 0.29, patched portable-pty 0.9.0, unicode-width 0.2)\",\"breaking_changes\":[],\"caveats\":[\"Herdr is AGPL-3.0-or-later; copying code into SPT requires license compatibility review.\",\"The differential path has no erase-in-line command; correctness depends on complete rectangular FrameData and explicit blank cells.\",\"The thin semantic client ignores stdout write/flush errors and still commits its baseline; SPT should not copy that behavior.\",\"Synchronized-output support varies by terminal and is a tearing mitigation, not a stale-cell clearing mechanism.\",\"Ratatui 0.30 `init()` panics on initialization failure; a load-bearing integration may prefer its fallible initialization API.\",\"Herdr’s wide-glyph correctness depends on display-width tracking and continuation-cell metadata; a string-index diff is not equivalent.\"]}}}","call_id":"call_5NAgzPsDRpiMdUcaKT4gDZhJ","name":"yield"}]},"duration":127877.09300002456,"ttft":1594.1053000092506,"contextSnapshot":{"promptTokens":83659,"nonMessageTokens":18167}}}
{"type":"custom","customType":"tool_execution_start","data":{"toolCallId":"call_5NAgzPsDRpiMdUcaKT4gDZhJ|fc_0784f445f025ad6b016a5b41feb56c819ab9db323387614f82","toolName":"yield","startedAt":"2026-07-18T09:08:11.924Z"},"id":"e9b08f32","parentId":"06c50e07","timestamp":"2026-07-18T09:08:11.924Z"}
{"type":"message","id":"7b12b93c","parentId":"e9b08f32","timestamp":"2026-07-18T09:08:11.924Z","message":{"role":"toolResult","toolCallId":"call_5NAgzPsDRpiMdUcaKT4gDZhJ|fc_0784f445f025ad6b016a5b41feb56c819ab9db323387614f82","toolName":"yield","content":[{"type":"text","text":"Result submitted."}],"details":{"data":{"answer":"Investigated upstream `ogulcancelik/herdr` v0.7.4 at commit `02a6e874f67800891b5a549297219ed6f3ce0f2f`. Herdr has substantial, directly relevant terminal/TUI/PTY implementation; this is not a case where the project merely delegates everything to dependencies.\n\n## Executive conclusion\n\nThe strongest directly reusable pattern for SPT stale-cell bugs is Herdr’s semantic-frame + per-client differential encoder in `src/protocol/render_ansi.rs`, combined with its explicit baseline reset and commit-after-enqueue logic in `src/server/render_stream.rs` / `src/server/headless.rs`. It preserves whitespace because a blank is an ordinary cell symbol (`\" \"`) and changed blank cells are written just like other changed cells. It does not trim rows or output lines. When there is no valid baseline—or the dimensions differ—it emits `CSI 2 J` plus home and repaints every non-skip cell. This is a robust answer to stale cells left behind when replacement content is shorter.\n\nThe rendering architecture is useful, but should not be copied wholesale into SPT. Herdr is a full multiplexer with a semantic cell grid, Ratatui rendering, client/server frame protocol, Kitty graphics, hyperlinks, cursor-shape tracking, and a PTY actor. SPT likely needs only a much smaller terminal-surface contract: retain the last acknowledged rectangular frame, compare all cells including spaces, explicitly erase or overwrite vacated suffix cells, invalidate the baseline after resize/reconnect/focus surface loss, and commit the new baseline only after successful output delivery.\n\n## Full-frame versus differential rendering\n\n* `BlitEncoder` owns `last_frame: Option<FrameData>`. First paint, a forced paint, and any width/height change are full redraws; otherwise the encoder compares current and previous cells and emits only changed cells.\n* Full redraw uses `ESC [ 2 J ESC [ H`, then visits the entire rectangular frame and writes every non-`skip` cell at an explicit cursor position. Differential redraw scans every row/column and writes any visually changed cell.\n* Frames are wrapped in synchronized-output mode (`CSI ? 2026 h` / `CSI ? 2026 l`) and the hardware cursor is hidden before cell writes, then positioned and restored at the end. This reduces visible intermediate states and cursor artifacts; it is useful polish but is not the core stale-cell fix.\n* Semantic clients skip byte-identical frames. Terminal-ANSI clients also skip a frame when their encoder baseline equals it.\n* Server-side baselines are transactional at the queue boundary: `prepare_frame` computes against the current baseline without mutating it; `commit_sent_frame` runs only after `try_send` succeeds. A full render is deferred if the one-slot render lane is full rather than falsely advancing the baseline.\n\n**SPT applicability:** directly reusable conceptually. Maintain a rectangular cell model or equivalent line-width-aware snapshot. Diff against the last successfully delivered frame, not the last attempted render. A simpler SPT implementation can operate row-wise, but it must represent trailing blanks/vacated cells explicitly.\n\n## Whitespace preservation and stale-cell prevention\n\n* `FrameData::from_buffer` copies each Ratatui cell’s symbol verbatim with `cell.symbol().to_owned()`; the wire type describes it as a grapheme cluster. There is no trimming in this conversion.\n* A blank cell is represented as `symbol: \" \"`. `cells_visually_equal` compares the symbol, foreground/background, modifier, and sanitized hyperlink. Therefore a transition from `x` to ` ` is a change and causes an actual space byte to be emitted.\n* `write_cell` writes `cell.symbol.as_bytes()` with no `trim`, `trim_end`, newline normalization, or omission of spaces. Full-frame writing does the same.\n* Wide graphemes are handled conservatively: Herdr tracks display width with `unicode-width`, skips continuation cells, and invalidates the maximum width occupied by the old or new grapheme. That prevents remnants when replacing a wide glyph with a narrow glyph.\n* `skip` is treated as Ratatui internal continuation metadata rather than visual equality. This distinction matters for double-width glyphs.\n\n**SPT applicability:** this is the most important reusable behavior. Never run terminal-render payloads through line-oriented normalization such as `trim_end()`, and never infer that trailing spaces are insignificant. For each changed row, either (a) emit its complete target width, including spaces, or (b) emit the changed prefix and an explicit erase-to-end-of-line. If SPT accepts arbitrary Unicode, compute display-cell width rather than byte/character count.\n\n## Erase-in-line / erase-screen behavior\n\n* Herdr explicitly uses erase-screen only for a full redraw: `ESC[2J ESC[H`.\n* Its differential path does **not** use EL (`CSI K`). It overwrites each changed cell, including cells that became spaces. This works because the frame is a complete fixed-size rectangular grid.\n* No relevant production implementation of erase-to-end-of-line was found in the renderer. Consequently, Herdr’s exact differential approach assumes the producer supplies every cell in the target rectangle.\n\n**SPT recommendation:** choose one invariant and enforce it. If SPT has complete rows, Herdr-style blank-cell overwrite is deterministic and styling-safe. If SPT has variable-length logical lines, append `CSI 0 K` after painting a row whose previous display width exceeded its new width. On a baseline reset, use `CSI 2 J` + home followed by a full frame. Do not rely on newline movement or a shorter string to clear old terminal cells.\n\n## Alternate screen and raw mode\n\n* Herdr depends on `ratatui = 0.30` and `crossterm = 0.29`. Both its monolithic app and thin client call `ratatui::init()` and `ratatui::restore()`.\n* Ratatui 0.30’s official API documentation states that `init()` enables raw mode and the alternate screen, while `restore()` restores terminal state. Thus Herdr uses an alternate-screen full-screen TUI rather than painting into normal shell scrollback.\n* The thin client additionally disables line wrap while active, and restores line wrap, focus reporting, bracketed paste, mouse capture, host mouse modes, keyboard enhancement state, color-scheme reporting, cursor visibility, and cursor shape on teardown.\n\n**SPT applicability:** reuse only if SPT owns a full-screen surface. If SPT renders inside another harness’s owned terminal region, it should not independently enter/leave alternate screen or toggle global raw mode. Ownership must be singular. The cleanup principle is reusable: every mode enabled must have an idempotent inverse in one guard.\n\n## Raw-mode teardown, panic and exit guards\n\n* Thin-client setup returns `TerminalGuard`; its `Drop` calls `restore_terminal_state`, so normal return and error unwinding restore terminal modes.\n* The restore path is best-effort and comprehensive: clear received graphics, reset modifyOtherKeys, pop keyboard flags, enable wrapping, disable focus/bracketed paste/mouse, clear all known host mouse reporting modes, restore Windows console input mode, call `ratatui::restore()`, then show the cursor and reset DECSCUSR.\n* The monolithic path installs an explicit panic hook which disables enhanced modes, clears graphics, calls `ratatui::restore()`, and then invokes the previous hook. Ratatui 0.30 also documents that its initialization functions install a terminal-restoring panic hook.\n* The normal monolithic exit performs equivalent restoration before dropping application state.\n\n**SPT applicability:** directly reusable lifecycle pattern. Put terminal restoration in an idempotent RAII/finally guard, retain a panic/uncaught-exception/signal fallback appropriate to SPT’s runtime, and restore cursor visibility even if earlier cleanup steps fail. Avoid teardown code that returns early after one failed escape write.\n\n## Resize handling\n\n* Thin clients poll terminal geometry every 100 ms and send `ClientMessage::Resize` when columns, rows, or cell pixel dimensions change.\n* Server input clamps the size and routes it as `ServerEvent::ClientResize`.\n* PTY resize requests are coalesced in `SharedPtyControls.resize: Option<PtyResizeRequest>`; the actor takes the latest request, calls the PTY resize operation, and then enqueues terminal-query responses generated by the terminal emulator.\n* The blitter automatically full-redraws whenever prior and current frame dimensions differ. Focus-surface redraw requests replace the encoder with a new one, invalidating the old baseline.\n* The server recalculates effective shared runtime size when a foreground client disappears or foreground ownership changes.\n\n**SPT applicability:** directly reuse the invalidation rule: resize is a screen-generation boundary. Discard the old differential baseline and full repaint after the new geometry is established. Coalescing resize events to latest-wins is appropriate; rendering every intermediate size is unnecessary and increases races.\n\n## Disconnect handling\n\n* Client socket EOF, oversized messages, and other framing errors all become `ClientDisconnected` events. The client reader similarly converts server EOF/error into `ServerDisconnected`, producing a connection-lost result; the terminal guard then restores local modes.\n* The headless server is explicitly designed to continue after client disconnect, so PTY processes are not coupled to a viewing terminal.\n* Broken render clients are removed, and removal can trigger shared PTY resize recalculation.\n* PTY actors exit when either command channel disconnects, when shutdown is requested, or when a PTY read returns zero/error; the optional reader-exit callback is then invoked.\n\n**SPT applicability:** reuse the separation between PTY lifetime and renderer/client lifetime if SPT sessions are intended to survive UI disconnects. On reconnect, never reuse the old client’s differential baseline: initialize a new encoder/full frame for the new terminal surface.\n\n## Dependencies and architecture relevance\n\n* `ratatui 0.30`: creates the semantic cell buffer and supplies full-screen terminal initialization/restoration. Relevant if SPT already uses or can adopt a rectangular frame abstraction; otherwise the whole dependency is excessive.\n* `crossterm 0.29`: cross-platform terminal events and mode control. Relevant for cleanup and input/resize portability, but not necessary merely to fix stale cells.\n* patched `portable-pty 0.9.0`: actual PTY creation/resizing, with vendored platform code. Relevant to PTY lifecycle and resize, not to cell clearing.\n* `unicode-width 0.2`: critical if SPT’s stale artifacts involve wide Unicode/grapheme replacement.\n* Herdr’s client/server protocol, Kitty graphics cache, OSC 8 hyperlinks, agent/workspace architecture, and multiplexer persistence are irrelevant to the narrow SPT stale-cell problem.\n\n## Concrete recommendations for SPT\n\n1. Define an explicit terminal-surface generation containing `(width, height, cells/rows, cursor state)`; do not treat output as an append-only string stream.\n2. Preserve spaces exactly. Remove any `trim()`, `trim_end()`, line-splitting/rejoining, or JSON-to-text normalization on the render path.\n3. Keep one baseline per connected terminal surface. New connection, reconnect, resize, alternate-screen transition, focus-triggered surface loss, or detected write failure must invalidate it.\n4. First frame after invalidation: synchronized-output begin (where supported), hide cursor, `CSI 2 J`, home, emit the full rectangle, restore final cursor, synchronized-output end.\n5. Subsequent frames: compare display cells. Emit changed cells, including spaces. If SPT stores variable-length lines rather than a rectangle, use `CSI K` to erase the vacated suffix.\n6. Track wide-cell occupancy using terminal display width. Repaint the full union of old/new glyph widths when either side is wide.\n7. Separate encode from commit. Advance the baseline only after the transport has accepted—and ideally successfully flushed—the bytes. A dropped/backpressured render must remain pending or force the next frame full.\n8. Install one idempotent teardown guard covering raw mode, alternate screen, line wrap, cursor visibility/shape, mouse/focus/paste modes, and any keyboard enhancements. Run it on normal exit, exceptions/panics, disconnect, and termination signals that the runtime permits.\n9. Treat PTY resize as ordered with frame generation: resize PTY/emulator, obtain a frame for the new dimensions, reset baseline, then full repaint. Coalesce rapid resize notifications.\n10. Do **not** copy Herdr’s entire Ratatui/client-server stack for this bug. Port the encoder invariants and lifecycle boundaries, not the multiplexer architecture.\n\n## Caveats found\n\n* Herdr’s thin semantic client ignores errors from `write_encoded_frame_with_graphics`, `stdout.write_all`, and `flush`, then commits its local `BlitEncoder` baseline. That is weaker than its server queue logic and can theoretically produce a false baseline after a partial/failed host-terminal write. SPT should improve on this: commit only on successful write/flush, otherwise invalidate and full-redraw on recovery.\n* Herdr’s differential renderer does not emit EL. It is safe only because `FrameData` is rectangular and blanks are real cells. Copying only the diff loop while feeding variable-length strings would reproduce stale suffixes.\n* `ratatui::init()` panics on initialization failure according to the official 0.30 docs. A load-bearing SPT path may prefer `try_init()`/explicit error handling.\n* Synchronized output is terminal-dependent. It reduces tearing but must not be considered the mechanism that clears stale cells.\n* The repository is AGPL-3.0-or-later. Reusing design ideas is straightforward, but copying implementation code into a differently licensed SPT project requires license review.","sources":[{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"Cargo.toml","line_start":24,"line_end":46,"excerpt":"crossterm = \"0.29\"\n...\nportable-pty = \"=0.9.0\"\n...\nratatui = { version = \"0.30\", features = [\"unstable-rendered-line-info\"] }\n...\nunicode-width = \"0.2\"\n...\n[patch.crates-io]\nportable-pty = { path = \"vendor/portable-pty\" }"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/protocol/render_ansi.rs","line_start":1,"line_end":27,"excerpt":"//! Frame blitting — renders FrameData to the terminal using diff-based updates.\n//!\n//! The blitting strategy:\n//! 1. On the first frame, write the entire buffer (full redraw).\n//! 2. On subsequent frames, diff against the last frame and only write\n//!    the cells that changed.\n//! 3. Wrap each frame in synchronized output so terminals that support it do\n//!    not expose intermediate cursor positions while the frame is painted.\n...\n//! The goal is minimal output: skip unchanged cells, batch adjacent changes,\n//! and minimize cursor movement."},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/protocol/render_ansi.rs","line_start":48,"line_end":120,"excerpt":"/// Stateful encoder that diffs semantic frames into terminal ANSI bytes.\n#[derive(Default)]\npub(crate) struct BlitEncoder {\n    last_frame: Option<FrameData>,\n    last_visible_cursor: Option<(u16, u16)>,\n    last_cursor_shape: u8,\n}\n...\nlet full = force_full\n    || prev.is_none()\n    || prev.is_some_and(|p| p.width != frame.width || p.height != frame.height);\n...\npub(crate) fn commit(&mut self, frame: FrameData, encoded: EncodedBlit) {\n    self.last_visible_cursor = encoded.next_last_visible_cursor;\n    self.last_cursor_shape = encoded.next_last_cursor_shape;\n    self.last_frame = Some(frame);\n}"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/protocol/render_ansi.rs","line_start":417,"line_end":468,"excerpt":"// On first frame or size change, do a full redraw.\nlet full_redraw =\n    prev.is_none() || prev.is_some_and(|p| p.width != frame.width || p.height != frame.height);\n...\nlet _ = writer.write_all(b\"\\x1b[?2026h\");\n...\nlet _ = writer.write_all(b\"\\x1b[?25l\");\n...\nif full_redraw {\n    // Clear the screen and write all cells.\n    let _ = writer.write_all(b\"\\x1b[2J\\x1b[H\");\n    write_all_cells(&mut writer, frame);\n} else {\n    // Diff-based update: only write changed cells.\n    let prev = prev.unwrap();\n    write_changed_cells(&mut writer, frame, prev);\n}\n...\nlet _ = writer.write_all(b\"\\x1b[?2026l\");"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/protocol/render_ansi.rs","line_start":683,"line_end":768,"excerpt":"fn write_cell(\n    writer: &mut impl Write,\n    cursor_position: Option<(u16, u16)>,\n    cell: &CellData,\n...\n) {\n    if cell.skip {\n        return;\n    }\n...\n    let _ = writer.write_all(cell.symbol.as_bytes());\n}\n...\nif !cell.skip\n    && (!cells_visually_equal(..., cell, ..., prev_cell) || invalidated > 0)\n    && to_skip == 0\n{\n    ...\n    write_cell(..., cell, ...);\n...\n}\n...\nlet affected_width = cmp::max(cell_width(cell), cell_width(prev_cell));\ninvalidated = cmp::max(affected_width, invalidated).saturating_sub(1);"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/protocol/wire.rs","line_start":421,"line_end":424,"excerpt":"pub struct CellData {\n    /// Grapheme cluster displayed in this cell (usually 1–2 chars).\n    pub symbol: String,"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/protocol/wire.rs","line_start":475,"line_end":533,"excerpt":"/// Creates a `FrameData` from a ratatui `Buffer` and optional cursor.\n...\ncells.push(CellData {\n    symbol: cell.symbol().to_owned(),\n    fg: color_to_u32(cell.fg),\n    bg: color_to_u32(cell.bg),\n    modifier: modifier_to_u16(cell.modifier),\n...\nFrameData {\n    cells,\n    width,\n    height,"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/server/render_stream.rs","line_start":12,"line_end":62,"excerpt":"/// Per-client render baseline for the negotiated render encoding.\npub(crate) enum ClientRenderState {\n    /// Semantic clients compare full frame data and skip identical frames.\n    Semantic { last_frame: Option<FrameData> },\n    /// Terminal-ANSI clients keep a terminal diff encoder and sequence number.\n    TerminalAnsi { blit_encoder: BlitEncoder, seq: u64 },\n}\n...\npub(crate) fn reset_baseline(&mut self) {\n    match self {\n        Self::Semantic { last_frame } => *last_frame = None,\n        Self::TerminalAnsi { blit_encoder, .. } => *blit_encoder = BlitEncoder::new(),\n    }\n}"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/server/headless.rs","line_start":3518,"line_end":3531,"excerpt":"match writer.render.try_send(serialized) {\n    Ok(()) => {\n        client.clear_deferred_render();\n        client.render_state.commit_sent_frame(prepared);\n        crate::render_prof::event(\"retained_send.sent\");\n        ...\n        true\n    }\n    Err(std::sync::mpsc::TrySendError::Full(_)) => {\n        client.defer_full_render();"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/client/mod.rs","line_start":339,"line_end":423,"excerpt":"fn setup_terminal_with_capabilities(\n    enable_client_protocols: bool,\n    mouse_capture: bool,\n) -> io::Result<TerminalGuard> {\n    ratatui::init();\n...\n    execute!(io::stdout(), DisableLineWrap)?;\n\n    Ok(TerminalGuard {\n...\n/// Guard that restores the terminal when dropped.\nstruct TerminalGuard {"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/client/mod.rs","line_start":561,"line_end":652,"excerpt":"let _ = execute!(\n    io::stdout(),\n    EnableLineWrap,\n    DisableFocusChange,\n    DisableBracketedPaste,\n    DisableMouseCapture\n);\nlet _ = crate::terminal_modes::clear_host_mouse_reporting(&mut io::stdout());\n...\nratatui::restore();\nlet _ = write_terminal_restore_postlude(&mut io::stdout(), reset_host_color_scheme_reports);\n...\nimpl Drop for TerminalGuard {\n    fn drop(&mut self) {\n        restore_terminal_state(...);\n    }\n}"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/main.rs","line_start":750,"line_end":770,"excerpt":"let original_hook = std::panic::take_hook();\n...\nstd::panic::set_hook(Box::new(move |info| {\n    tracing::error!(\"PANIC: {info}\");\n...\n    let _ = execute!(\n        io::stdout(),\n        DisableFocusChange,\n        DisableBracketedPaste,\n        DisableMouseCapture\n    );\n...\n    ratatui::restore();\n    original_hook(info);\n}));"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/client/mod.rs","line_start":1496,"line_end":1532,"excerpt":"ClientLoopEvent::Resize(new_cols, new_rows, cell_width_px, cell_height_px) => {\n    state.reported_size = (new_cols, new_rows);\n    let msg = ClientMessage::Resize {\n        cols: new_cols,\n        rows: new_rows,\n        cell_width_px,\n        cell_height_px,\n    };\n...\nlet _ = write_encoded_frame_with_graphics(&mut stdout, &encoded.bytes, graphics);\nlet _ = stdout.flush();\nstate.blit_encoder.commit(frame_data, encoded);"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/client/mod.rs","line_start":2078,"line_end":2106,"excerpt":"/// Polls the terminal size and sends resize events when it changes.\nfn resize_poll_loop(...)\n{\n...\nwhile !should_quit.load(Ordering::Acquire) {\n    std::thread::sleep(Duration::from_millis(100));\n    let new_size = current_terminal_geometry(kitty_graphics_enabled);\n    if new_size != last_size {\n        last_size = new_size;\n        if resize_tx.blocking_send(ClientLoopEvent::Resize(...)).is_err() {\n            break;\n        }\n    }\n}"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/server/client_transport.rs","line_start":619,"line_end":645,"excerpt":"let msg: ClientMessage = match protocol::read_message(&mut stream, MAX_GRAPHICS_FRAME_SIZE) {\n    Ok(msg) => msg,\n    Err(protocol::FramingError::UnexpectedEof) => {\n        // Client disconnected.\n        let _ = server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\n        break;\n    }\n...\n    Err(err) => {\n        debug!(client_id, err = %err, \"client read error, closing\");\n        let _ = server_event_tx.blocking_send(ServerEvent::ClientDisconnected { client_id });\n        break;\n    }\n};"},{"repo":"https://github.com/ogulcancelik/herdr/tree/02a6e874f67800891b5a549297219ed6f3ce0f2f","path":"src/pty/actor/unix.rs","line_start":607,"line_end":646,"excerpt":"fn apply_pending_controls(&mut self) {\n    let (resize, nudge) = {\n        let mut controls = self.controls.lock().unwrap_or_else(|poisoned| poisoned.into_inner());\n        (controls.resize.take(), controls.nudge.take())\n    };\n...\n    if let Some(request) = resize {\n        self.resize(request.resize);\n        self.enqueue_terminal_responses(request.terminal_responses);\n    }\n...\nfn read_once(&mut self) -> bool {\n...\n    match self.file.read(&mut buf) {\n        Ok(0) => false,\n...\n        Err(err) => {\n            debug!(pane = self.pane_id, err = %err, \"PTY actor read failed\");\n            false\n        }"},{"repo":"https://docs.rs/ratatui/0.30.0/ratatui/fn.init.html","path":"ratatui 0.30.0 official API documentation: init module","line_start":1,"line_end":1,"excerpt":"`init` - Creates a terminal with reasonable defaults including alternate screen and raw mode. Panics on failure. ... `restore` - Restores the terminal to its original state. Prints errors to stderr but does not panic. ... All initialization functions install a panic hook that automatically restores the terminal state before panicking."}],"api":[{"signature":"pub(crate) fn encode(&self, frame: &FrameData, force_full: bool) -> EncodedBlit","description":"Encodes a semantic frame as a full or differential ANSI blit without changing the stored baseline."},{"signature":"pub(crate) fn encode_with_suppressed_visible_cursor(\n        &self,\n        frame: &FrameData,\n        force_full: bool,\n    ) -> EncodedBlit","description":"Encodes a frame while suppressing the visible host cursor."},{"signature":"pub(crate) fn commit(&mut self, frame: FrameData, encoded: EncodedBlit)","description":"Commits the frame and cursor metadata as the new differential baseline."},{"signature":"pub(crate) fn is_current(&self, frame: &FrameData) -> bool","description":"Checks whether a semantic frame matches the committed baseline."},{"signature":"pub(crate) fn reset_baseline(&mut self)","description":"Invalidates a per-client semantic or ANSI render baseline."},{"signature":"pub(crate) fn prepare_frame(&mut self, frame: FrameData) -> Option<PreparedRender>","description":"Prepares a semantic or terminal-ANSI render while allowing identical frames to be skipped."},{"signature":"pub(crate) fn commit_sent_frame(&mut self, prepared: PreparedRender)","description":"Commits a prepared frame after successful render-channel enqueue."},{"signature":"fn setup_terminal(mouse_capture: bool) -> io::Result<TerminalGuard>","description":"Initializes the thin-client terminal and returns an RAII restoration guard."},{"signature":"fn restore_terminal_state(\n    reset_modify_other_keys: bool,\n    reset_host_color_scheme_reports: bool,\n    #[cfg(windows)] restore_windows_input_mode: Option<u32>,\n)","description":"Best-effort comprehensive terminal mode restoration used by TerminalGuard::drop."},{"signature":"pub(crate) fn resize(\n        &self,\n        rows: u16,\n        cols: u16,\n        cell_width_px: u32,\n        cell_height_px: u32,\n        terminal_responses: Vec<Bytes>,\n    )","description":"Coalesces and wakes the Unix PTY actor for a size/pixel-geometry change."}],"version":"herdr 0.7.4, commit 02a6e874f67800891b5a549297219ed6f3ce0f2f (dependencies: ratatui 0.30, crossterm 0.29, patched portable-pty 0.9.0, unicode-width 0.2)","breaking_changes":[],"caveats":["Herdr is AGPL-3.0-or-later; copying code into SPT requires license compatibility review.","The differential path has no erase-in-line command; correctness depends on complete rectangular FrameData and explicit blank cells.","The thin semantic client ignores stdout write/flush errors and still commits its baseline; SPT should not copy that behavior.","Synchronized-output support varies by terminal and is a tearing mitigation, not a stale-cell clearing mechanism.","Ratatui 0.30 `init()` panics on initialization failure; a load-bearing integration may prefer its fallible initialization API.","Herdr’s wide-glyph correctness depends on display-width tracking and continuation-cell metadata; a string-index diff is not equivalent."]},"status":"success"},"isError":false,"timestamp":1784365691924}}
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{"type":"message","id":"716e7efc","parentId":"3e66b89e","timestamp":"2026-07-18T09:08:11.931Z","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\nPlease return current source-grounded findings now; prioritize exact cause/fix over exhaustive context.","attribution":"agent","timestamp":1784365683741,"steering":true}}
{"type":"message","id":"cfeccb99","parentId":"716e7efc","timestamp":"2026-07-18T09:08:28.366Z","message":{"role":"assistant","content":[{"type":"thinking","thinking":""},{"type":"toolCall","id":"call_GcIXi6k6glnJxGvOzCm4qjcN|fc_046a69bc6fe6732c016a5b428c40708198815f2065f17981a0","name":"irc","arguments":{"i":"Sending concise findings","op":"send","to":"Main","message":"Herdr v0.7.4 @ 02a6e874 has directly relevant renderer. Exact stale-cell fix pattern: src/protocol/render_ansi.rs BlitEncoder keeps rectangular last_frame; first/resize frame emits ESC[2J ESC[H + all cells, later frames compare every cell and write changed symbols including literal spaces (no trim/EL). Wide glyph replacement invalidates max(old,new) display width. src/server/render_stream.rs + headless.rs separates prepare/commit and commits baseline only after render queue try_send succeeds; reset_baseline creates full repaint. Recommend SPT preserve trailing blanks, diff display cells, erase-to-EOL if rows are variable-length, reset baseline on resize/reconnect, commit only after successful delivery. Cleanup: client TerminalGuard Drop calls ratatui::restore and resets wrap/focus/paste/mouse/cursor; main panic hook also restores. Caveat: thin client ignores stdout write/flush errors then commits baseline (src/client/mod.rs 1510-1532), so do NOT copy that part. Full structured findings/source excerpts already yielded.","replyTo":null,"await":false,"from":null,"timeoutMs":null,"peek":null}}],"api":"openai-codex-responses","provider":"openai-codex","model":"gpt-5.6-sol","usage":{"input":7088,"output":292,"cacheRead":83456,"cacheWrite":0,"totalTokens":90836,"reasoningTokens":15,"cost":{"input":0.035440000000000006,"output":0.00876,"cacheRead":0.041728,"cacheWrite":0,"total":0.085928}},"stopReason":"toolUse","timestamp":1784365691950,"responseId":"resp_046a69bc6fe6732c016a5b427eed44819888399d37a3a32544","providerPayload":{"type":"openaiResponsesHistory","provider":"openai-codex","dt":true,"items":[{"id":"rs_046a69bc6fe6732c016a5b4280b51c8198b99027307d88175b","type":"reasoning","content":[],"encrypted_content":"gAAAAABqW0KMoR4GoVKtrbRjEV5wU-HZKvkpHGj-940bwCW-qB027Yi5_jIXtbbxs4t1yPHSMzIvw44NGWgG8vaScECTEyo4k2sbibPQ0cOp7xutrOCVfGOlvh41mUb9OZHZT4ACDAwR8Do0IB4CCwiE2kI49i6FeEpOuuSpgB1MLBTDdmDQ1iiJSCK8Lqk-wwOo15Xu1EG9SzmLQg98i5M6i58O0JpGUTjNqXbg4d_ufV0opr3EwJxC6l_vsO19jT5lUJgWYEN-Auv_ewHWCpDpOQcPvzMQvdH-B1y4vKd2vUdgSfTB-GWJA8pGhuYIDYBIm1ry31vgujn_wjpNaFPyIKxfyzIXPXTxbkHDDjJDRMpmEVIkQzTDx2YURcGPRXUqVezQgXTv1aPuoTFYGu8aBiD8eC_8JzKk00AAS2eN-0v7AkSM3171cMN-1ia5ceAroT0_z0-JwFQ6VaUTlTYjUvXbucAn0fhbpNdv_Cd15R4RDcm7vW1cBWNq582RVw0fG8P29_1ZAHBMWrtgijtAnwFKDC1QfkoJlvcHKiihuqd_efztZXssNcGcfUCmjLYVJ9y4wXGEDxCaKMUPz50IIxWl0YIwZQE3goLwg2YandrunakgIaP9wGdE_XzCXBEqC4mxrEcL7loO6ZvkeQ6eV_QJwb61Dxj6ASsqGkjUAcPxE6i2PHdmp35wGPwuBliYCdyOxoTUIPX2W6BnyDzP1D3F3HZasLL5GAgMmXxw51gRWuzbcV9Pb6e8W-C1xgJesFzQknw42CbITEX5UY4etPdYb4OgFk7BejVSs1b4c1INlkVbneJop9RH_rnCn0KXTiQgxi7pKjcz5knO5QSkMoOoD_qZ56er0Wksr5v7O4G9LlfpeAcDYGB7LNPF-Y7_gW_xIZzbqO9_epD44I4T4QFXyXQbpU20aWkweAJnj_DHprM2ktI6B9EpHUr__irmv6NLg_9Xxf-QMPuMK32OHaiFvO8tatzu0mYnOdYMHPG30daZcwI=","summary":[]},{"id":"fc_046a69bc6fe6732c016a5b428c40708198815f2065f17981a0","type":"function_call","status":"completed","arguments":"{\"i\":\"Sending concise findings\",\"op\":\"send\",\"to\":\"Main\",\"message\":\"Herdr v0.7.4 @ 02a6e874 has directly relevant renderer. Exact stale-cell fix pattern: src/protocol/render_ansi.rs BlitEncoder keeps rectangular last_frame; first/resize frame emits ESC[2J ESC[H + all cells, later frames compare every cell and write changed symbols including literal spaces (no trim/EL). Wide glyph replacement invalidates max(old,new) display width. src/server/render_stream.rs + headless.rs separates prepare/commit and commits baseline only after render queue try_send succeeds; reset_baseline creates full repaint. Recommend SPT preserve trailing blanks, diff display cells, erase-to-EOL if rows are variable-length, reset baseline on resize/reconnect, commit only after successful delivery. Cleanup: client TerminalGuard Drop calls ratatui::restore and resets wrap/focus/paste/mouse/cursor; main panic hook also restores. Caveat: thin client ignores stdout write/flush errors then commits baseline (src/client/mod.rs 1510-1532), so do NOT copy that part. Full structured findings/source excerpts already yielded.\",\"replyTo\":null,\"await\":false,\"from\":null,\"timeoutMs\":null,\"peek\":null}","call_id":"call_GcIXi6k6glnJxGvOzCm4qjcN","name":"irc"}]},"duration":16404.31099998951,"ttft":4820.860599994659,"contextSnapshot":{"promptTokens":90544,"nonMessageTokens":18167}}}
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{"type":"message","id":"418812c4","parentId":"061910b5","timestamp":"2026-07-18T09:08:28.367Z","message":{"role":"toolResult","toolCallId":"call_GcIXi6k6glnJxGvOzCm4qjcN|fc_046a69bc6fe6732c016a5b428c40708198815f2065f17981a0","toolName":"irc","content":[{"type":"text","text":"Delivered to 1 peer(s):\n- Main: injected"}],"details":{"op":"send","from":"HerdrTerminalResearch","to":"Main","receipts":[{"to":"Main","outcome":"injected"}]},"isError":false,"timestamp":1784365708366}}
{"type":"message","id":"bf4cf1c0","parentId":"418812c4","timestamp":"2026-07-18T09:08:41.223Z","message":{"role":"assistant","content":[{"type":"text","text":"Source-grounded findings were submitted to the parent agent. The central recommendation is:\n\n- Preserve trailing spaces as real terminal cells; never `trim_end()` render payloads.\n- Keep a rectangular last-successfully-delivered frame.\n- Differentially overwrite every changed cell, including cells changed to `\" \"`.\n- If SPT renders variable-length rows instead of complete rectangular frames, issue `CSI 0 K` after shortened rows to erase the stale suffix.\n- On initial render, resize, reconnect, or any lost/uncertain surface state, invalidate the baseline and perform `CSI 2 J`, home, then a full repaint.\n- Separate frame preparation from baseline commit; commit only after successful output delivery.\n- Use an idempotent terminal teardown guard for raw mode, alternate screen, cursor, wrapping, mouse, focus, paste, and keyboard modes.\n\nHerdr implements these patterns in:\n\n- [`src/protocol/render_ansi.rs`](https://github.com/ogulcancelik/herdr/blob/02a6e874f67800891b5a549297219ed6f3ce0f2f/src/protocol/render_ansi.rs) — semantic-cell differential rendering, full-redraw fallback, whitespace emission, synchronized output, cursor management, and wide-cell invalidation.\n- [`src/server/render_stream.rs`](https://github.com/ogulcancelik/herdr/blob/02a6e874f67800891b5a549297219ed6f3ce0f2f/src/server/render_stream.rs) — per-client baselines and prepare/commit separation.\n- [`src/server/headless.rs`](https://github.com/ogulcancelik/herdr/blob/02a6e874f67800891b5a549297219ed6f3ce0f2f/src/server/headless.rs) — commits frames only after successful render-queue enqueue and defers backpressured renders.\n- [`src/client/mod.rs`](https://github.com/ogulcancelik/herdr/blob/02a6e874f67800891b5a549297219ed6f3ce0f2f/src/client/mod.rs) — terminal guard, resize polling, disconnect handling, and client-side rendering.\n- [`src/main.rs`](https://github.com/ogulcancelik/herdr/blob/02a6e874f67800891b5a549297219ed6f3ce0f2f/src/main.rs) — panic-hook terminal restoration.\n- [`src/pty/actor/unix.rs`](https://github.com/ogulcancelik/herdr/blob/02a6e874f67800891b5a549297219ed6f3ce0f2f/src/pty/actor/unix.rs) — coalesced PTY resizing and EOF/channel-disconnect handling.\n\nImportant caveat: Herdr’s thin client ignores host-terminal write/flush failures and then commits its local baseline. SPT should improve on this by invalidating the baseline after any unsuccessful or uncertain write rather than copying that behavior.","textSignature":"{\"v\":1,\"id\":\"msg_046a69bc6fe6732c016a5b428ddc9c81989b64ffe91d6d9c73\",\"phase\":\"final_answer\"}"}],"api":"openai-codex-responses","provider":"openai-codex","model":"gpt-5.6-sol","usage":{"input":1258,"output":628,"cacheRead":89600,"cacheWrite":0,"totalTokens":91486,"cost":{"input":0.0062900000000000005,"output":0.01884,"cacheRead":0.0448,"cacheWrite":0,"total":0.06992999999999999}},"stopReason":"stop","timestamp":1784365708706,"responseId":"resp_046a69bc6fe6732c016a5b428cdd288198a0cb83cc64c20b3c","providerPayload":{"type":"openaiResponsesHistory","provider":"openai-codex","dt":true,"items":[{"id":"msg_046a69bc6fe6732c016a5b428ddc9c81989b64ffe91d6d9c73","type":"message","status":"completed","content":[{"type":"output_text","annotations":[],"logprobs":[],"text":"Source-grounded findings were submitted to the parent agent. The central recommendation is:\n\n- Preserve trailing spaces as real terminal cells; never `trim_end()` render payloads.\n- Keep a rectangular last-successfully-delivered frame.\n- Differentially overwrite every changed cell, including cells changed to `\" \"`.\n- If SPT renders variable-length rows instead of complete rectangular frames, issue `CSI 0 K` after shortened rows to erase the stale suffix.\n- On initial render, resize, reconnect, or any lost/uncertain surface state, invalidate the baseline and perform `CSI 2 J`, home, then a full repaint.\n- Separate frame preparation from baseline commit; commit only after successful output delivery.\n- Use an idempotent terminal teardown guard for raw mode, alternate screen, cursor, wrapping, mouse, focus, paste, and keyboard modes.\n\nHerdr implements these patterns in:\n\n- [`src/protocol/render_ansi.rs`](https://github.com/ogulcancelik/herdr/blob/02a6e874f67800891b5a549297219ed6f3ce0f2f/src/protocol/render_ansi.rs) — semantic-cell differential rendering, full-redraw fallback, whitespace emission, synchronized output, cursor management, and wide-cell invalidation.\n- [`src/server/render_stream.rs`](https://github.com/ogulcancelik/herdr/blob/02a6e874f67800891b5a549297219ed6f3ce0f2f/src/server/render_stream.rs) — per-client baselines and prepare/commit separation.\n- [`src/server/headless.rs`](https://github.com/ogulcancelik/herdr/blob/02a6e874f67800891b5a549297219ed6f3ce0f2f/src/server/headless.rs) — commits frames only after successful render-queue enqueue and defers backpressured renders.\n- [`src/client/mod.rs`](https://github.com/ogulcancelik/herdr/blob/02a6e874f67800891b5a549297219ed6f3ce0f2f/src/client/mod.rs) — terminal guard, resize polling, disconnect handling, and client-side rendering.\n- [`src/main.rs`](https://github.com/ogulcancelik/herdr/blob/02a6e874f67800891b5a549297219ed6f3ce0f2f/src/main.rs) — panic-hook terminal restoration.\n- [`src/pty/actor/unix.rs`](https://github.com/ogulcancelik/herdr/blob/02a6e874f67800891b5a549297219ed6f3ce0f2f/src/pty/actor/unix.rs) — coalesced PTY resizing and EOF/channel-disconnect handling.\n\nImportant caveat: Herdr’s thin client ignores host-terminal write/flush failures and then commits its local baseline. SPT should improve on this by invalidating the baseline after any unsuccessful or uncertain write rather than copying that behavior."}],"phase":"final_answer","role":"assistant"}]},"duration":12516.348500013351,"ttft":1150.687600016594,"contextSnapshot":{"promptTokens":90858,"nonMessageTokens":18167}}}
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