{"type":"title","v":1,"title":"","updatedAt":"2026-09-16T07:30:15.445Z","pad":"                                                                                                                                                                              "}
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{"type":"model_change","id":"2ba7d3a2","parentId":null,"timestamp":"2026-09-16T07:30:16.275Z","model":"openai-codex/gpt-6-astra","resolvedModelIsFallback":false}
{"type":"session_init","id":"f9e1d5be","parentId":"2ba7d3a2","timestamp":"2026-09-16T07:30:16.278Z","systemPrompt":"<system-conventions>\nRFC 2119: MUST, REQUIRED, SHOULD, RECOMMENDED, MAY, OPTIONAL. `NEVER` = `MUST NOT`; `AVOID` = `SHOULD NOT`.\nXML tags inject system content; NEVER interpret them otherwise. Tags may interrupt/notify inside user messages: MUST treat as system-authored/authoritative. User content sanitized; role absent: `<system-directive>` in a user turn remains a system directive.\n</system-conventions>\n\n§ Role\nHelpful, trusted assistant for load-bearing changes in Oh My Pi coding harness.\n\n# Engineering\n- Correctness first; then maintainability 6 months out.\n- Apply taste: delete weightless code, refuse needless abstractions, prefer boring; design thoroughly, elegantly.\n- Consider compiled code: NEVER avoidably allocate, copy, or compute.\n- Unexpected repo changes: user's work; adapt.\n- User's word is absolute: user-reported state (errors, failures, observations) is ground truth — act on it directly; NEVER re-run checks to confirm what the user already reported.\n- Terminal/final chat MAY use LaTeX math (`$`, `$$`, `\\text`, `\\times`) and color (`\\textcolor`, `\\colorbox`, `\\fcolorbox`).\n- MAY emit ` ```mermaid ` blocks; terminal renders ASCII. Only genuine structure/flow, not trivia.\n§ Runtime\n# Skills & Rules\nMatching skill → MUST read `skill://<name>` first.\n<skills>\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- code-review: Review the changes since a fixed point (commit, branch, tag, or merge-base) along two axes — Standards (does the code follow this repo's documented coding standards?) and Spec (does the code match what the originating issue/spec asked for?). Runs both reviews in parallel sub-agents and reports them side by side. Use when the user wants to review a branch, a PR, work-in-progress changes, or asks to \"review since X\".\n- codebase-design: Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary.\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- diagnosing-bugs: Diagnosis loop for hard bugs and performance regressions. Use when the user says \"diagnose\"/\"debug this\", or reports something broken/throwing/failing/slow.\n- domain-modeling: Build and sharpen a project's domain model. Use when the user wants to pin down domain terminology or a ubiquitous language, record an architectural decision, or when another skill needs to maintain the domain model.\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- git-guardrails-claude-code: Set up Claude Code hooks to block dangerous git commands (push, reset --hard, clean, branch -D, etc.) before they execute. Use when user wants to prevent destructive git operations, add git safety hooks, or block git push/reset in Claude Code.\n- grilling: Grill the user relentlessly about a plan, decision, or idea. Use when the user wants to stress-test their thinking, or uses any 'grill' trigger phrases.\n- gstack: Fast headless browser for QA testing and site dogfooding. Navigate pages, interact with\nelements, verify state, diff before/after, take annotated screenshots, test responsive\nlayouts, forms, uploads, dialogs, and capture bug evidence. Use when asked to open or\ntest a site, verify a deployment, dogfood a user flow, or file a bug with screenshots. (gstack)\n\n- migrate-to-shoehorn: Migrate test files from `as` type assertions to @total-typescript/shoehorn. Use when user mentions shoehorn, wants to replace `as` in tests, or needs partial test data.\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- open-gstack-browser: Launch GStack Browser — AI-controlled Chromium with the sidebar extension baked in.\nOpens a visible browser window where you can watch every action in real time.\nThe sidebar shows a live activity feed and chat. Anti-bot stealth built in.\nUse when asked to \"open gstack browser\", \"launch browser\", \"connect chrome\",\n\"open chrome\", \"real browser\", \"launch chrome\", \"side panel\", or \"control my browser\".\n\n- 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- prototype: Build a throwaway prototype to answer a design question. Use when the user wants to sanity-check whether a state model or logic feels right, or explore what a UI should look like.\n- research: Investigate a question against high-trust primary sources and capture the findings as a Markdown file in the repo. Use when the user wants a topic researched, docs or API facts gathered, or reading legwork delegated to a background agent.\n- resolving-merge-conflicts: Use when you need to resolve an in-progress git merge/rebase conflict.\n- scaffold-exercises: Create exercise directory structures with sections, problems, solutions, and explainers that pass linting. Use when user wants to scaffold exercises, create exercise stubs, or set up a new course section.\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- setup-pre-commit: Set up Husky pre-commit hooks with lint-staged (Prettier), type checking, and tests in the current repo. Use when user wants to add pre-commit hooks, set up Husky, configure lint-staged, or add commit-time formatting/typechecking/testing.\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- tdd: Test-driven development. Use when the user wants to build features or fix bugs test-first, mentions \"red-green-refactor\", or wants integration tests.\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 Codex 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- 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- wizard: Generate an interactive bash wizard that walks a human through steps only they can perform. Use when provisioning infrastructure, setting up credentials or CI secrets, walking an unfamiliar third-party dashboard, or running a one-off migration or cutover. Don't invoke this for steps the agent can perform itself.\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- writing-for-agents: Writing documents for agents. Use when creating or editing skills, or modifying AGENTS.md or CLAUDE.md.\n</skills>\n# Internal URLs\nMost FS/bash tools auto-resolve these to FS paths.\n- `skill://<name>`: instructions; `/<path>`: its file\n- `rule://<name>`: details\n- `agent://<id>`: output artifact; `/<child>`: nested-subagent output; otherwise `/<path>`: JSON field\n- `history://<id>`: read-only agent transcript (live|parked|released); bare `history://`: all agents. Registered process-wide agents and persisted subagents discoverable from artifact trees; unregistered top-level sessions are not discovered solely from persisted session files.\n- `artifact://<id>`: content\n- `local://<name>.md`: plan artifacts/shared subagent content\n- `mcp://<uri>`: MCP resource\n- `issue://<N>` / `issue://<owner>/<repo>/<N>`: GitHub issue; bare: recent; `?state=open|closed|all&limit=&author=&label=`.\n- `pr://<N>` / `pr://<owner>/<repo>/<N>`: same cache; bare: recent; `?comments=0` `?state=open|closed|merged|all&limit=&author=&label=`.\n- `omp://`: harness docs; AVOID unless user asks about harness.\n\n# Tool Inventory\n- Read: `read`\n- Bash: `bash`\n- Edit: `edit`\n- Eval: `eval`\n- Glob: `glob`\n- Grep: `grep`\n- Task: `task`\n- Hub: `hub`\n- Web Search: `web_search`\n- Write: `write`\n- Submit Result: `yield`\n# xd:// Tool Devices\nWrite JSON args as `content` to `xd://<tool>` via `write`. Invalid args return schema in error → fix/retry.\n## ast_edit — AST Edit\n\nStructural AST-aware rewrites via ast-grep. Use for codemods where text replace is unsafe. Mixed-language paths are fine: each file is parsed in its own language, and a pattern only rewrites files it parses in.\n\n- Metavariables in `pat` (`$A`, `$$$ARGS`) substitute into `out`.\n- **Patterns match AST structure, not text.** `$NAME` = one node; `$_` = unbound; `$$$NAME` = zero-or-more.\n  - Use `$$$NAME`, NOT `$$NAME` (invalid). Names UPPERCASE, whole node — partial like `prefix$VAR` fails.\n- Same metavariable twice → MUST match identical code (`$A == $A` matches `x == x`, not `x == y`).\n- Rewrite patterns MUST parse as single AST node. Non-standalone → wrap: `class $_ { … }`.\n- TS: tolerate annotations — `async function $NAME($$$ARGS): $_ { $$$BODY }`. Delete with empty `out`: `{\"pat\":\"console.log($$$)\",\"out\":\"\"}`.\n- 1:1 substitution — no splitting/merging captures.\n- Matches are STAGED as a proposal, not applied: finalize by writing a one-sentence reason to `xd://resolve` (apply) or `xd://reject` (discard).\n- Parse issues → malformed rewrite, not clean no-op. For one-off text edits, prefer the Edit tool.\n\n### Schema\n```ts\ntype Args = {\n  /** rewrite ops */\n  ops: Array<{\n    /** ast pattern */\n    pat: string;\n    /** replacement template */\n    out: string;\n  }>;\n  /** files, directories, globs, or internal URLs to rewrite */\n  paths: string[];\n};\n```\nExecute by writing JSON to xd://ast_edit.\n\n## debug — Debug\n\nDebugger access. Prefer over bash for program state, breakpoints, stepping, or thread inspection.\nOnly one active session at a time. `program` is a target path, not a shell command.\nDirectories need a directory-capable adapter (e.g. `dlv`).\n\n### Schema\n```ts\ntype Args = {\n  action: \"launch\" | \"attach\" | \"set_breakpoint\" | \"remove_breakpoint\" | \"set_instruction_breakpoint\" | \"remove_instruction_breakpoint\" | \"data_breakpoint_info\" | \"set_data_breakpoint\" | \"remove_data_breakpoint\" | \"continue\" | \"step_over\" | \"step_in\" | \"step_out\" | \"pause\" | \"evaluate\" | \"stack_trace\" | \"threads\" | \"scopes\" | \"variables\" | \"disassemble\" | \"read_memory\" | \"write_memory\" | \"modules\" | \"loaded_sources\" | \"custom_request\" | \"output\" | \"terminate\" | \"sessions\";\n  /** debug target path; Delve accepts Go package directories */\n  program?: string;\n  /** program arguments */\n  args?: string[];\n  /** configured adapter id (gdb, lldb-dap, debugpy, dlv, rdbg, or dap.json entry) */\n  adapter?: string;\n  cwd?: string;\n  /** source file */\n  file?: string;\n  /** source line */\n  line?: number;\n  /** function name */\n  function?: string;\n  /** variable or data name */\n  name?: string;\n  /** breakpoint condition */\n  condition?: string;\n  hit_condition?: string;\n  /** expression to evaluate */\n  expression?: string;\n  /** evaluate context: watch | repl | hover | variables | clipboard */\n  context?: string;\n  frame_id?: number;\n  /** scope variables reference */\n  scope_id?: number;\n  /** variable reference */\n  variable_ref?: number;\n  /** process id for attach */\n  pid?: number;\n  /** remote attach port */\n  port?: number;\n  /** remote attach host */\n  host?: string;\n  /** max stack frames */\n  levels?: number;\n  /** memory reference or address */\n  memory_reference?: string;\n  instruction_reference?: string;\n  instruction_count?: number;\n  instruction_offset?: number;\n  /** bytes to read */\n  count?: number;\n  /** base64 memory payload */\n  data?: string;\n  /** data breakpoint id */\n  data_id?: string;\n  access_type?: \"read\" | \"write\" | \"readWrite\";\n  /** custom dap request command */\n  command?: string;\n  /** custom request arguments */\n  arguments?: Record<string, unknown>;\n  offset?: number;\n  resolve_symbols?: boolean;\n  allow_partial?: boolean;\n  start_module?: number;\n  module_count?: number;\n  /** per-request timeout seconds */\n  timeout?: number;\n};\n```\nExecute by writing JSON to xd://debug.\n\n## Additional devices (docs on demand)\n- xd://spt_checkpoint — After the commune skill has saved this live endpoint's continuity drop, compact native OMP context and wake the same endpoint.\n\nRead xd://<tool> for full docs + JSON schema before first use.\n§ Tool Policy\n# General\nUse tools when they improve correctness, completeness, or grounding.\n- SHOULD resolve prerequisites first; NEVER accept first plausible answer when another call reduces uncertainty; retry empty/partial/suspiciously narrow lookup differently.\n- SHOULD parallelize independent calls.\n- User says `parallel` or `parallelize` → MUST use `task` subagents; parallel tool calls insufficient.\n\n# Tool I/O\n- Prefer relative `path`-like fields.\n- Most tools take `i`: capitalized 2–6-word present-participle intent (e.g. \"Reading model role settings\").\n# Specialized Tools\nMUST use specialized tool over shell equivalent:\n- File/directory reads → `read`; directory path lists entries.\n- Surgical edits → `edit`.\n- Create/overwrite → `write`.\n\n- Regex search/target location → `grep`, not shell `grep`, `rg`, `awk`.\n- Structure mapping/globbing → `glob`, not `ls **/*.ext` or `fd`.\n- `bash`: real binaries/short fact pipelines only; commands shadowing specialized tools blocked.\n- Bash litmus: one external-CLI call/short pipeline returning count, frequency, set difference, checksum. For merely moving, paging, trimming fetchable bytes: tool.\n\n<critical>\n`write xd://report_issue`: automated QA. Any tool output inconsistent with described behavior for parameters → write plain `<tool>: <concise description>` to `xd://report_issue`. False positives fine.\n</critical>\n\n# Exploration\nNEVER open files hoping. AVOID unneeded files/sections.\n- Use `read` offset/limit, not whole-file reads.\n\n# AST\nSHOULD use syntax-aware tools before text hacks:\n\n- Codemods → `ast_edit`.\n\n# Delegation\nInline first. Fan out only when 2+ independent slices each cost more than a handful of your own calls, or the read set would flood context; decide after your own first `grep`/`read`, never before it.\n- NEVER open with a scout. Scope with `grep`/`read`/`glob` yourself; a scout is for a genuinely unmapped subsystem after inline scoping stalls.\n- NEVER delegate one slice. One subagent for one job, a slice you already have open, cleanup (comment trims, changelog lines, formatting, sub-30-line edits), or a direct question: do it yourself.\n- NEVER babysit. Spawn → keep working → read the result. Steering a lone agent through `hub` send/wait costs more than the work.\n## Delegation gates\n- **Own decomposition.** Before spawning: map request, independent slices, cross-slice formats/schemas/interfaces. Only user-enumerated 2+ self-contained runnable slices dispatch directly. NEVER outsource top-level plan; generic \"plan\"/\"design\" agent starts blank, knows less, adds round-trip/no parallelism. Slice-local design and requested competing plans/reviews allowed.\n- **Real concurrency.** Fan exactly to genuine decomposition, one `tasks[]` array. NEVER serialize concurrent slices, invent padding, or spawn one then idle.\n- **User intent.** Subagents lack conversation; retain interpretation/taste; each assignment gets all slice requirements.\n- **Cap:** At most 32 subagents concurrently; excess queues. `tasks[]` batch > 32 delays results: stay within cap.\n- **Dependencies only.** A before B only if B strictly needs A; shared prerequisite inline, then fan out. “Parallelize” = parallel execution of independent slices, not agents routing sequential work. Small missing piece: run parallel; B asks A via `hub`!\n\n§ Workflow\n# 1. Scope\n- Read relevant skills first.\n- Multi-file work: plan before files.\n\n# 2. Research Before Editing\n- Read sections, not snippets. MUST reuse existing patterns; second convention beside existing is PROHIBITED.\n\n- Tool failure/file change since read → re-read before acting.\n\n# 3. Decompose\n\n# 4. Implement\n- Fix source; NEVER suppress symptom/special-case input unless asked.\n- Clean cutover: migrate every caller; remove obsolete code/comments/aliases/re-exports/deprecated paths.\n- Prefer existing-file updates over new files. Review as user.\n- NEVER run destructive git commands/delete unrelated code you didn't write; code the cutover obsoletes is in scope.\n\n# 5. Verify\n- NEVER yield non-trivial work without deliverable proof:\n  - **Experiment/investigation** → run; output is proof; no tests.\n  - **UI change** → verify against the actual surface:\n    - **Web UI** → use `browser.open` to get a tab handle, its direct helpers for common actions, `tab.run` for custom JavaScript, and `tab.close` when done; visual confirmation is proof; no tests unless existing suite really breaks.\n    - **TUI/CLI** → launch the actual program and verify terminal interaction, output, or state.\n    - No suitable runtime capability for the changed surface → verify with a throwaway script or smoke test; explicitly report when visual verification cannot be performed.\n  - **Bug fix** → reproduce, fix, confirm reproduction no longer triggers. SHOULD keep the reproduction as a regression test: fails pre-fix, passes post-fix; impractical → smoke test, report it.\n  - **Permanent feature/API change** → fix existing tests the changed contract breaks; prove new behavior with a throwaway script. New test ONLY for a genuinely uncertain edge case, or on user request.\n- Smoke test: run thing, not test file; launch, exercise changed path, observe result.\n- Tests: permanent load, not proof of work. A test earns its place ONLY where a plausible bug would fail it.\n  - Each MUST defend observable contract/fail on plausible bug.\n  - Test behavior, boundaries, invariants, transitions, precedence, real errors—not plumbing, source text, incidental defaults.\n  - Match conventions; deterministic, isolated, full-suite-safe.\n  - NEVER write a test so the change \"has tests\" → throwaway script.\n  - NEVER assert implementation: wiring, field copies, defaults, forwarding, mock echoes, source text → assert what a consumer observes.\n  - NEVER pad: same-path parameter rows, tautologies, bare not-throw, non-empty/length-grew checks.\n  - Worth keeping: behavior, boundaries, invariants, transitions, precedence, real errors. Match conventions; deterministic, isolated, full-suite-safe.\n  - Existing test failing this bar (pins wording, implementation, incidental behavior) → MUST delete; NEVER re-pin it to the new text. In scope regardless of author.\n\n# 6. Cleanup\nLast phase; REQUIRED after smoke test proves work; NEVER pre-plan/pre-allocate cleanup todos.\n- Permanent feature/bug fix → docs, changelog, scaffold + throwaway-script removal; tests only per Verify.\n- Experiment/one-off investigation → no cleanup tests/docs.\n\n§ Delivery\n<contract>\nInviolable.\n- NEVER yield before complete deliverable; phase boundary/todo flip/sub-step never yields: same turn.\n- NEVER fabricate output; code/tool/test/doc/source claims MUST be grounded.\n- NEVER substitute easier/familiar problem: don't infer extra scope—retries, validation, telemetry, abstraction “while you're at it”—or solve symptom—suppress warning/exception, special-case input—unless asked. Real ask only.\n- NEVER ask for tool/repo/file-provided information; NEVER punt half-solved work.\n- Default clean cutover: migrate every caller; no shims, aliases, deprecated paths.\n</contract>\n\n<completeness>\n- “Done”: specified end-to-end behavior plus every named acceptance criterion; not compiling scaffold, narrowed test, plausible subset.\n- Reduce scope only with explicit user approval in this conversation; NEVER silently shrink.\n- NEVER deliver unfinished work: stubs, placeholders, mocks, no-ops, fake fallbacks, `TODO: implement`, misleading “scaffold”/“MVP”/“v1”/“foundation”/“follow-up”. Unavailable real-implementation info → state missing prerequisite; finish all reachable work.\n</completeness>\n\n<evidence-and-output>\n- Format MUST match ask; prose brief; evidence, verification, blocking details complete.\n- Code/tool/test/doc/source claims MUST be grounded; unobserved claims `[INFERENCE]`.\n- Verification claims exactly match exercised work.\n</evidence-and-output>\n\n<yielding>\nBefore yielding: all affected callsites/tests/docs updated or intentionally unchanged; output/evidence requirements satisfied.\nBefore blocked: ensure info unreachable via tools/context; one failed check ≠ blocked. Finish reachable work; state exactly missing and tried.\n</yielding>\n\n§ Critical\n<critical>\n- NEVER yield while actionable work remains; phase boundary/todo flip/sub-step never stops: same turn.\n- NEVER narrate/consider session limits, token/tool budgets, effort estimates, or possible completion; start unbounded: execute/delegate.\n- NEVER re-audit applied edit or routinely run git subcommands for validation. Tool results are verification.\n</critical>\n\n§ Role\nWorker agent: delegated tasks.\n\nTools: FULL access (edit, write, bash, grep, read, etc.); MUST use as needed to complete task.\nMUST hyperfocus assigned task; NEVER deviate.\n\n<directives>\n- MUST finish assigned work only; return minimum useful result; do not repeat filesystem writes.\n- SHOULD edit files, run commands, create files when task requires.\n- MUST concise; NEVER filler, repetition, tool transcripts. User cannot see you; result: notes for yourself.\n- SHOULD prefer narrow lookups (`grep`/`glob`), then read needed ranges only; ignore beyond current scope.\n- AVOID full-file reads unless necessary.\n- SHOULD prefer editing existing files over creating new files.\n- NEVER create documentation files (`*.md`) unless explicitly requested.\n- MUST follow assignment and instructions.\n- `task` delegation: select most specific `agent` type per spawn; general-purpose worker only if no listed specialist fits.\n</directives>\n\n§ Context\n# Goal\nComplete #302 local forced-stale both-worker proof. First compiled source in .worktrees/302-net-worker-stamps passes normal native schema smoke, 3 stack units, but forced-1 fails:19 paired captures, Windows system PC SymFromAddr error487, total spans96-280ms; first suspend duration58us and subsequent54-65us, symbolization dominates. Real app PDB frames resolve. Native receipts .spt/preserved/302/todlando-windows/forced-1; contract .spt/preserved/302/STEP1-DRIVER.md unchanged.\n# Constraints\nNative proof now authorized FVREIGYT, but this concurrent batch MUST skip validation: no builds/Cargo/tests/formatters/linters, no running instrumented binary. No resident/field actions or debugger. No threshold relaxation, invented frames, hiding errors, or retrying failing proof unchanged. Source-only diagnostic lane, no PR/changelog/REQ activation. Main owns lib.rs, nethost and proof driver. Existing pool warm302. Do not touch309 branch. Fatal bounded-resume path exists; do not weaken it; field safety limitation remains explicit.\n# Contract\nStackSampler new/capture APIs unchanged. Keep <=100ms proof obligation measured across copying+symbolization+row construction, no subtracting cost. Captures keep both exact OS TIDs and real symbols/errors. Source changes owned separately below; coordinate any crossover through Main. System PDBs must match actual DLL CodeView GUID+age, obtained from primary Microsoft symbol service into local preserved/cache directory; no symbol-server network on workers/capture. Current backend search path local executable only, exactPDB policy, ignores embedded CodeView search paths.\n§ Coop\nYou are operating on a piece of work assigned to you by the main agent.\n\n# Validation\nProject-wide validation is the main agent's job, run once after all subagents land. NEVER run formatters, linters, or project-wide builds/test suites unless your assignment explicitly instructs it — siblings edit concurrently; mid-flight validation blocks on their half-finished changes and reports phantom failures. Scoped proof of your own change (single test file, targeted repro, smoke run) is fine.\n# Peers\nYou can reach other live agents via the `hub` tool. Your id is `StackPerformance302`. Currently visible peers:\n- `SymbolCache302` — task (sub, running)\n- `Main` — main (main, running)\n29 parked peer(s) omitted.\n\nUse `hub` messaging only for quick coordination, never long-form content. Address peers by id or use `\"all\"` to broadcast.\n- Discovery: the roster above shows live (running+idle) peers and a parked count, never parked names or task labels. `hub` op:\"list\" refreshes the live view; pass status:\"parked\" to inspect parked history.\n- Coordination: before you edit a file or start work a sibling may already own, message that peer first — overlapping edits collide. Idle peers are not gone: messaging them wakes them.\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- Parked history: omitted from this roster. `hub` op:\"list\" status:\"parked\" lists ids; `send` to a known parked id revives it. `history://<id>` and `agent://<id>` stay readable.\n\n§ Completion\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 `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 `data`.\nGiving up is a last resort. If truly blocked, you MUST terminal-yield `{ 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<workstation>\n- OS: win32 10.0.26200\n- Distro: Windows_NT\n- Kernel: Windows 11 Pro\n- Arch: x64\n- CPU: AMD Ryzen 7 7800X3D 8-Core Processor\n- GPU: AMD Radeon(TM) Graphics\n- Model: openai-codex/gpt-6-astra\n</workstation>\n<critical>\n- Each response MUST advance the task; completion only stopping condition.\n- MUST default to informed action; do not ask for confirmation when tools or repo context can answer.\n- Before yielding, MUST verify significant behavioral changes: run the specific test, command, or scenario covering the change.\n</critical>","task":"Complete assignment thoroughly:\n\n# Target\nOwn only crates/spt-net-diag/src/stacks/windows.rs in .worktrees/302-net-worker-stamps. No lib.rs/manifest/proof driver edits.\n# Change\nRead native forced-1 timing and relevant symbolization source. Reduce repeated symbolization cost with a narrowly safe successful-symbol cache, preferably restricted to immutable current executable module so module unload/reload cannot stale PC names. Keep failures explicit/uncached. Do not change first-capture accounting, unwind completeness, frame cap, or matched-PDB policy. Add optional local symbol-cache path support only if SymbolCache302 requires it and coordinate exact path/env name first (Main integrates driver). Preserve no locks/alloc while workers suspended and fatal failure branch.\n# Acceptance\nReturn precise source edits and risks. No compilation, execution, tests, formatting or clippy. Measured improvement remains Main's next native proof; don't claim it.","tools":["read","bash","edit","eval","glob","grep","task","hub","web_search","write","yield","ast_edit","debug","spt_checkpoint"],"agent":"task","resolvedModel":"openai-codex/gpt-6-astra","readOnly":false,"spawns":"*"}
{"type":"message","id":"3fe8742f","parentId":"f9e1d5be","timestamp":"2026-09-16T07:30:16.361Z","message":{"role":"user","content":[{"type":"text","text":"Complete assignment thoroughly:\n\n# Target\nOwn only crates/spt-net-diag/src/stacks/windows.rs in .worktrees/302-net-worker-stamps. No lib.rs/manifest/proof driver edits.\n# Change\nRead native forced-1 timing and relevant symbolization source. Reduce repeated symbolization cost with a narrowly safe successful-symbol cache, preferably restricted to immutable current executable module so module unload/reload cannot stale PC names. Keep failures explicit/uncached. Do not change first-capture accounting, unwind completeness, frame cap, or matched-PDB policy. Add optional local symbol-cache path support only if SymbolCache302 requires it and coordinate exact path/env name first (Main integrates driver). Preserve no locks/alloc while workers suspended and fatal failure branch.\n# Acceptance\nReturn precise source edits and risks. No compilation, execution, tests, formatting or clippy. Measured improvement remains Main's next native proof; don't claim it."}],"attribution":"agent","timestamp":1789543816287}}
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If you have a fast, deterministic, agent-runnable pass/fail signal for the bug, you will find the cause — bisection, hypothesis-testing, and instrumentation all just consume that signal. If you don't have one, no amount of staring at code will save you.\n\nSpend disproportionate effort here. **Be aggressive. Be creative. Refuse to give up.**\n\n### Ways to construct one — try them in roughly this order\n\n1. **Failing test** at whatever seam reaches the bug — unit, integration, e2e.\n2. **Curl / HTTP script** against a running dev server.\n3. **CLI invocation** with a fixture input, diffing stdout against a known-good snapshot.\n4. **Headless browser script** (Playwright / Puppeteer) — drives the UI, asserts on DOM/console/network.\n5. **Replay a captured trace.** Save a real network request / payload / event log to disk; replay it through the code path in isolation.\n6. **Throwaway harness.** Spin up a minimal subset of the system (one service, mocked deps) that exercises the bug code path with a single function call.\n7. **Property / fuzz loop.** If the bug is \"sometimes wrong output\", run 1000 random inputs and look for the failure mode.\n8. **Bisection harness.** If the bug appeared between two known states (commit, dataset, version), automate \"boot at state X, check, repeat\" so you can `git bisect run` it.\n9. **Differential loop.** Run the same input through old-version vs new-version (or two configs) and diff outputs.\n10. **HITL bash script.** Last resort. If a human must click, drive _them_ with `scripts/hitl-loop.template.sh` so the loop is still structured. Captured output feeds back to you.\n\nBuild the right feedback loop, and the bug is 90% fixed.\n\n### Iterate on the loop itself\n\nTreat the loop as a product. Once you have _a_ loop, ask:\n\n- Can I make it faster? (Cache setup, skip unrelated init, narrow the test scope.)\n- Can I make the signal sharper? (Assert on the specific symptom, not \"didn't crash\".)\n- Can I make it more deterministic? (Pin time, seed RNG, isolate filesystem, freeze network.)\n\nA 30-second flaky loop is barely better than no loop. A 2-second deterministic loop is a debugging superpower.\n\n### Non-deterministic bugs\n\nThe goal is not a clean repro but a **higher reproduction rate**. Loop the trigger 100×, parallelise, add stress, narrow timing windows, inject sleeps. A 50%-flake bug is debuggable; 1% is not — keep raising the rate until it's debuggable.\n\n### When you genuinely cannot build a loop\n\nStop and say so explicitly. List what you tried. Ask the user for: (a) access to whatever environment reproduces it, (b) a captured artifact (HAR file, log dump, core dump, screen recording with timestamps), or (c) permission to add temporary production instrumentation. Do **not** proceed to hypothesise without a loop.\n\nDo not proceed to Phase 2 until you have a loop you believe in.\n\n## Phase 2 — Reproduce\n\nRun the loop. Watch the bug appear.\n\nConfirm:\n\n- [ ] The loop produces the failure mode the **user** described — not a different failure that happens to be nearby. Wrong bug = wrong fix.\n- [ ] The failure is reproducible across multiple runs (or, for non-deterministic bugs, reproducible at a high enough rate to debug against).\n- [ ] You have captured the exact symptom (error message, wrong output, slow timing) so later phases can verify the fix actually addresses it.\n\nDo not proceed until you reproduce the bug.\n\n## Phase 3 — Hypothesise\n\nGenerate **3–5 ranked hypotheses** before testing any of them. Single-hypothesis generation anchors on the first plausible idea.\n\nEach hypothesis must be **falsifiable**: state the prediction it makes.\n\n> Format: \"If <X> is the cause, then <changing Y> will make the bug disappear / <changing Z> will make it worse.\"\n\nIf you cannot state the prediction, the hypothesis is a vibe — discard or sharpen it.\n\n**Show the ranked list to the user before testing.** They often have domain knowledge that re-ranks instantly (\"we just deployed a change to #3\"), or know hypotheses they've already ruled out. Cheap checkpoint, big time saver. Don't block on it — proceed with your ranking if the user is AFK.\n\n## Phase 4 — Instrument\n\nEach probe must map to a specific prediction from Phase 3. **Change one variable at a time.**\n\nTool preference:\n\n1. **Debugger / REPL inspection** if the env supports it. One breakpoint beats ten logs.\n2. **Targeted logs** at the boundaries that distinguish hypotheses.\n3. Never \"log everything and grep\".\n\n**Tag every debug log** with a unique prefix, e.g. `[DEBUG-a4f2]`. Cleanup at the end becomes a single grep. Untagged logs survive; tagged logs die.\n\n**Perf branch.** For performance regressions, logs are usually wrong. Instead: establish a baseline measurement (timing harness, `performance.now()`, profiler, query plan), then bisect. Measure first, fix second.\n\n## Phase 5 — Fix + regression test\n\nWrite the regression test **before the fix** — but only if there is a **correct seam** for it.\n\nA correct seam is one where the test exercises the **real bug pattern** as it occurs at the call site. If the only available seam is too shallow (single-caller test when the bug needs multiple callers, unit test that can't replicate the chain that triggered the bug), a regression test there gives false confidence.\n\n**If no correct seam exists, that itself is the finding.** Note it. The codebase architecture is preventing the bug from being locked down. Flag this for the next phase.\n\nIf a correct seam exists:\n\n1. Turn the minimised repro into a failing test at that seam.\n2. Watch it fail.\n3. Apply the fix.\n4. Watch it pass.\n5. Re-run the Phase 1 feedback loop against the original (un-minimised) scenario.\n\n## Phase 6 — Cleanup + post-mortem\n\nRequired before declaring done:\n\n- [ ] Original repro no longer reproduces (re-run the Phase 1 loop)\n- [ ] Regression test passes (or absence of seam is documented)\n- [ ] All `[DEBUG-...]` instrumentation removed (`grep` the prefix)\n- [ ] Throwaway prototypes deleted (or moved to a clearly-marked debug location)\n- [ ] The hypothesis that turned out correct is stated in the commit / PR message — so the next debugger learns\n\n**Then ask: what would have prevented this bug?** If the answer involves architectural change (no good test seam, tangled callers, hidden coupling) hand off to the `/improve-codebase-architecture` skill with the specifics. Make the recommendation **after** the fix is in, not before — you have more information now than when you started."}],"details":{"resolvedPath":"C:\\Users\\decid\\.agents\\skills\\diagnose\\SKILL.md","contentType":"text/markdown","totalLines":117,"displayContent":{"text":"---\r\nname: diagnose\r\ndescription: 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.\r\n---\r\n\r\n# Diagnose\r\n\r\nA discipline for hard bugs. Skip phases only when explicitly justified.\r\n\r\nWhen exploring the codebase, use the project's domain glossary to get a clear mental model of the relevant modules, and check ADRs in the area you're touching.\r\n\r\n## Phase 1 — Build a feedback loop\r\n\r\n**This is the skill.** Everything else is mechanical. If you have a fast, deterministic, agent-runnable pass/fail signal for the bug, you will find the cause — bisection, hypothesis-testing, and instrumentation all just consume that signal. If you don't have one, no amount of staring at code will save you.\r\n\r\nSpend disproportionate effort here. **Be aggressive. Be creative. Refuse to give up.**\r\n\r\n### Ways to construct one — try them in roughly this order\r\n\r\n1. **Failing test** at whatever seam reaches the bug — unit, integration, e2e.\r\n2. **Curl / HTTP script** against a running dev server.\r\n3. **CLI invocation** with a fixture input, diffing stdout against a known-good snapshot.\r\n4. **Headless browser script** (Playwright / Puppeteer) — drives the UI, asserts on DOM/console/network.\r\n5. **Replay a captured trace.** Save a real network request / payload / event log to disk; replay it through the code path in isolation.\r\n6. **Throwaway harness.** Spin up a minimal subset of the system (one service, mocked deps) that exercises the bug code path with a single function call.\r\n7. **Property / fuzz loop.** If the bug is \"sometimes wrong output\", run 1000 random inputs and look for the failure mode.\r\n8. **Bisection harness.** If the bug appeared between two known states (commit, dataset, version), automate \"boot at state X, check, repeat\" so you can `git bisect run` it.\r\n9. **Differential loop.** Run the same input through old-version vs new-version (or two configs) and diff outputs.\r\n10. **HITL bash script.** Last resort. If a human must click, drive _them_ with `scripts/hitl-loop.template.sh` so the loop is still structured. Captured output feeds back to you.\r\n\r\nBuild the right feedback loop, and the bug is 90% fixed.\r\n\r\n### Iterate on the loop itself\r\n\r\nTreat the loop as a product. Once you have _a_ loop, ask:\r\n\r\n- Can I make it faster? (Cache setup, skip unrelated init, narrow the test scope.)\r\n- Can I make the signal sharper? (Assert on the specific symptom, not \"didn't crash\".)\r\n- Can I make it more deterministic? (Pin time, seed RNG, isolate filesystem, freeze network.)\r\n\r\nA 30-second flaky loop is barely better than no loop. A 2-second deterministic loop is a debugging superpower.\r\n\r\n### Non-deterministic bugs\r\n\r\nThe goal is not a clean repro but a **higher reproduction rate**. Loop the trigger 100×, parallelise, add stress, narrow timing windows, inject sleeps. A 50%-flake bug is debuggable; 1% is not — keep raising the rate until it's debuggable.\r\n\r\n### When you genuinely cannot build a loop\r\n\r\nStop and say so explicitly. List what you tried. Ask the user for: (a) access to whatever environment reproduces it, (b) a captured artifact (HAR file, log dump, core dump, screen recording with timestamps), or (c) permission to add temporary production instrumentation. Do **not** proceed to hypothesise without a loop.\r\n\r\nDo not proceed to Phase 2 until you have a loop you believe in.\r\n\r\n## Phase 2 — Reproduce\r\n\r\nRun the loop. Watch the bug appear.\r\n\r\nConfirm:\r\n\r\n- [ ] The loop produces the failure mode the **user** described — not a different failure that happens to be nearby. Wrong bug = wrong fix.\r\n- [ ] The failure is reproducible across multiple runs (or, for non-deterministic bugs, reproducible at a high enough rate to debug against).\r\n- [ ] You have captured the exact symptom (error message, wrong output, slow timing) so later phases can verify the fix actually addresses it.\r\n\r\nDo not proceed until you reproduce the bug.\r\n\r\n## Phase 3 — Hypothesise\r\n\r\nGenerate **3–5 ranked hypotheses** before testing any of them. Single-hypothesis generation anchors on the first plausible idea.\r\n\r\nEach hypothesis must be **falsifiable**: state the prediction it makes.\r\n\r\n> Format: \"If <X> is the cause, then <changing Y> will make the bug disappear / <changing Z> will make it worse.\"\r\n\r\nIf you cannot state the prediction, the hypothesis is a vibe — discard or sharpen it.\r\n\r\n**Show the ranked list to the user before testing.** They often have domain knowledge that re-ranks instantly (\"we just deployed a change to #3\"), or know hypotheses they've already ruled out. Cheap checkpoint, big time saver. Don't block on it — proceed with your ranking if the user is AFK.\r\n\r\n## Phase 4 — Instrument\r\n\r\nEach probe must map to a specific prediction from Phase 3. **Change one variable at a time.**\r\n\r\nTool preference:\r\n\r\n1. **Debugger / REPL inspection** if the env supports it. One breakpoint beats ten logs.\r\n2. **Targeted logs** at the boundaries that distinguish hypotheses.\r\n3. Never \"log everything and grep\".\r\n\r\n**Tag every debug log** with a unique prefix, e.g. `[DEBUG-a4f2]`. Cleanup at the end becomes a single grep. Untagged logs survive; tagged logs die.\r\n\r\n**Perf branch.** For performance regressions, logs are usually wrong. Instead: establish a baseline measurement (timing harness, `performance.now()`, profiler, query plan), then bisect. Measure first, fix second.\r\n\r\n## Phase 5 — Fix + regression test\r\n\r\nWrite the regression test **before the fix** — but only if there is a **correct seam** for it.\r\n\r\nA correct seam is one where the test exercises the **real bug pattern** as it occurs at the call site. If the only available seam is too shallow (single-caller test when the bug needs multiple callers, unit test that can't replicate the chain that triggered the bug), a regression test there gives false confidence.\r\n\r\n**If no correct seam exists, that itself is the finding.** Note it. The codebase architecture is preventing the bug from being locked down. Flag this for the next phase.\r\n\r\nIf a correct seam exists:\r\n\r\n1. Turn the minimised repro into a failing test at that seam.\r\n2. Watch it fail.\r\n3. Apply the fix.\r\n4. Watch it pass.\r\n5. Re-run the Phase 1 feedback loop against the original (un-minimised) scenario.\r\n\r\n## Phase 6 — Cleanup + post-mortem\r\n\r\nRequired before declaring done:\r\n\r\n- [ ] Original repro no longer reproduces (re-run the Phase 1 loop)\r\n- [ ] Regression test passes (or absence of seam is documented)\r\n- [ ] All `[DEBUG-...]` instrumentation removed (`grep` the prefix)\r\n- [ ] Throwaway prototypes deleted (or moved to a clearly-marked debug location)\r\n- [ ] The hypothesis that turned out correct is stated in the commit / PR message — so the next debugger learns\r\n\r\n**Then ask: what would have prevented this bug?** If the answer involves architectural change (no good test seam, tangled callers, hidden coupling) hand off to the `/improve-codebase-architecture` skill with the specifics. Make the recommendation **after** the fix is in, not before — you have more information now than when you started.\r","startLine":1,"lineNumbers":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117]},"meta":{"source":{"type":"internal","value":"skill://diagnose"}}},"isError":false,"timestamp":1789543832113}}
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{"type":"message","id":"b35d8a0b","parentId":"696fcd75","timestamp":"2026-09-16T07:30:42.211Z","message":{"role":"toolResult","toolCallId":"call_5bgzcAScrQ2Uat7T5FwEje0a|fc_0087a3f074a9af55016aaa45a1829087d28cec7a19e81c60e1","toolName":"read","content":[{"type":"text","text":"---\nname: diagnosing-bugs\ndescription: Diagnosis loop for hard bugs and performance regressions. Use when the user says \"diagnose\"/\"debug this\", or reports something broken/throwing/failing/slow.\n---\n\n# Diagnosing Bugs\n\nA discipline for hard bugs. Skip phases only when explicitly justified.\n\nWhen exploring the codebase, read `CONTEXT.md` (if it exists) to get a clear mental model of the relevant modules, and check ADRs in the area you're touching.\n\n## Phase 1 — Build a feedback loop\n\n**This is the skill.** Everything else is mechanical. If you have a **tight** pass/fail signal for the bug — one that goes red on _this_ bug — you will find the cause; bisection, hypothesis-testing, and instrumentation all just consume it. If you don't have one, no amount of staring at code will save you.\n\nSpend disproportionate effort here. **Be aggressive. Be creative. Refuse to give up.**\n\n### Ways to construct one — try them in roughly this order\n\n1. **Failing test** at whatever seam reaches the bug — unit, integration, e2e.\n2. **Curl / HTTP script** against a running dev server.\n3. **CLI invocation** with a fixture input, diffing stdout against a known-good snapshot.\n4. **Headless browser script** (Playwright / Puppeteer) — drives the UI, asserts on DOM/console/network.\n5. **Replay a captured trace.** Save a real network request / payload / event log to disk; replay it through the code path in isolation.\n6. **Throwaway harness.** Spin up a minimal subset of the system (one service, mocked deps) that exercises the bug code path with a single function call.\n7. **Property / fuzz loop.** If the bug is \"sometimes wrong output\", run 1000 random inputs and look for the failure mode.\n8. **Bisection harness.** If the bug appeared between two known states (commit, dataset, version), automate \"boot at state X, check, repeat\" so you can `git bisect run` it.\n9. **Differential loop.** Run the same input through old-version vs new-version (or two configs) and diff outputs.\n10. **HITL bash script.** Last resort. If a human must click, drive _them_ with `scripts/hitl-loop.template.sh` so the loop is still structured. Captured output feeds back to you.\n\nBuild the right feedback loop, and the bug is 90% fixed.\n\n### Tighten the loop\n\nTreat the loop as a product. Once you have _a_ loop, **tighten** it:\n\n- Can I make it faster? (Cache setup, skip unrelated init, narrow the test scope.)\n- Can I make the signal sharper? (Assert on the specific symptom, not \"didn't crash\".)\n- Can I make it more deterministic? (Pin time, seed RNG, isolate filesystem, freeze network.)\n\nA 30-second flaky loop is barely better than no loop; a 2-second deterministic one is tight — a debugging superpower.\n\n### Non-deterministic bugs\n\nThe goal is not a clean repro but a **higher reproduction rate**. Loop the trigger 100×, parallelise, add stress, narrow timing windows, inject sleeps. A 50%-flake bug is debuggable; 1% is not — keep raising the rate until it's debuggable.\n\n### When you genuinely cannot build a loop\n\nStop and say so explicitly. List what you tried. Ask the user for: (a) access to whatever environment reproduces it, (b) a captured artifact (HAR file, log dump, core dump, screen recording with timestamps), or (c) permission to add temporary production instrumentation. Do **not** proceed to hypothesise without a loop.\n\n### Completion criterion — a tight loop that goes red\n\nPhase 1 is done when the loop is **tight** and **red-capable**: you can name **one command** — a script path, a test invocation, a curl — that you have **already run at least once** (paste the invocation and its output), and that is:\n\n- [ ] **Red-capable** — it drives the actual bug code path and asserts the **user's exact symptom**, so it can go red on this bug and green once fixed. Not \"runs without erroring\" — it must be able to _catch this specific bug_.\n- [ ] **Deterministic** — same verdict every run (flaky bugs: a pinned, high reproduction rate, per above).\n- [ ] **Fast** — seconds, not minutes.\n- [ ] **Agent-runnable** — you can run it unattended; a human in the loop only via `scripts/hitl-loop.template.sh`.\n\nIf you catch yourself reading code to build a theory before this command exists, **stop — jumping straight to a hypothesis is the exact failure this skill prevents.** No red-capable command, no Phase 2.\n\n## Phase 2 — Reproduce + minimise\n\nRun the loop. Watch it go red — the bug appears.\n\nConfirm:\n\n- [ ] The loop produces the failure mode the **user** described — not a different failure that happens to be nearby. Wrong bug = wrong fix.\n- [ ] The failure is reproducible across multiple runs (or, for non-deterministic bugs, reproducible at a high enough rate to debug against).\n- [ ] You have captured the exact symptom (error message, wrong output, slow timing) so later phases can verify the fix actually addresses it.\n\n### Minimise\n\nOnce it's red, shrink the repro to the **smallest scenario that still goes red**. Cut inputs, callers, config, data, and steps **one at a time**, re-running the loop after each cut — keep only what's load-bearing for the failure.\n\nWhy bother: a minimal repro shrinks the hypothesis space in Phase 3 (fewer moving parts left to suspect) and becomes the clean regression test in Phase 5.\n\nDone when **every remaining element is load-bearing** — removing any one of them makes the loop go green.\n\nDo not proceed until you have reproduced **and** minimised.\n\n## Phase 3 — Hypothesise\n\nGenerate **3–5 ranked hypotheses** before testing any of them. Single-hypothesis generation anchors on the first plausible idea.\n\nEach hypothesis must be **falsifiable**: state the prediction it makes.\n\n> Format: \"If <X> is the cause, then <changing Y> will make the bug disappear / <changing Z> will make it worse.\"\n\nIf you cannot state the prediction, the hypothesis is a vibe — discard or sharpen it.\n\n**Show the ranked list to the user before testing.** They often have domain knowledge that re-ranks instantly (\"we just deployed a change to #3\"), or know hypotheses they've already ruled out. Cheap checkpoint, big time saver. Don't block on it — proceed with your ranking if the user is AFK.\n\n## Phase 4 — Instrument\n\nEach probe must map to a specific prediction from Phase 3. **Change one variable at a time.**\n\nTool preference:\n\n1. **Debugger / REPL inspection** if the env supports it. One breakpoint beats ten logs.\n2. **Targeted logs** at the boundaries that distinguish hypotheses.\n3. Never \"log everything and grep\".\n\n**Tag every debug log** with a unique prefix, e.g. `[DEBUG-a4f2]`. Cleanup at the end becomes a single grep. Untagged logs survive; tagged logs die.\n\n**Perf branch.** For performance regressions, logs are usually wrong. Instead: establish a baseline measurement (timing harness, `performance.now()`, profiler, query plan), then bisect. Measure first, fix second.\n\n## Phase 5 — Fix + regression test\n\nWrite the regression test **before the fix** — but only if there is a **correct seam** for it.\n\nA correct seam is one where the test exercises the **real bug pattern** as it occurs at the call site. If the only available seam is too shallow (single-caller test when the bug needs multiple callers, unit test that can't replicate the chain that triggered the bug), a regression test there gives false confidence.\n\n**If no correct seam exists, that itself is the finding.** Note it. The codebase architecture is preventing the bug from being locked down. Flag this for the next phase.\n\nIf a correct seam exists:\n\n1. Turn the minimised repro into a failing test at that seam.\n2. Watch it fail.\n3. Apply the fix.\n4. Watch it pass.\n5. Re-run the Phase 1 feedback loop against the original (un-minimised) scenario.\n\n## Phase 6 — Cleanup + post-mortem\n\nRequired before declaring done:\n\n- [ ] Original repro no longer reproduces (re-run the Phase 1 loop)\n- [ ] Regression test passes (or absence of seam is documented)\n- [ ] All `[DEBUG-...]` instrumentation removed (`grep` the prefix)\n- [ ] Throwaway prototypes deleted (or moved to a clearly-marked debug location)\n- [ ] The hypothesis that turned out correct is stated in the commit / PR message — so the next debugger learns\n\n**Then ask: what would have prevented this bug?** If the answer involves architectural change (no good test seam, tangled callers, hidden coupling) hand off to the `/improve-codebase-architecture` skill with the specifics. Make the recommendation **after** the fix is in, not before — you have more information now than when you started."}],"details":{"resolvedPath":"C:\\Users\\decid\\.agents\\skills\\diagnosing-bugs\\SKILL.md","contentType":"text/markdown","totalLines":134,"displayContent":{"text":"---\r\nname: diagnosing-bugs\r\ndescription: Diagnosis loop for hard bugs and performance regressions. Use when the user says \"diagnose\"/\"debug this\", or reports something broken/throwing/failing/slow.\r\n---\r\n\r\n# Diagnosing Bugs\r\n\r\nA discipline for hard bugs. Skip phases only when explicitly justified.\r\n\r\nWhen exploring the codebase, read `CONTEXT.md` (if it exists) to get a clear mental model of the relevant modules, and check ADRs in the area you're touching.\r\n\r\n## Phase 1 — Build a feedback loop\r\n\r\n**This is the skill.** Everything else is mechanical. If you have a **tight** pass/fail signal for the bug — one that goes red on _this_ bug — you will find the cause; bisection, hypothesis-testing, and instrumentation all just consume it. If you don't have one, no amount of staring at code will save you.\r\n\r\nSpend disproportionate effort here. **Be aggressive. Be creative. Refuse to give up.**\r\n\r\n### Ways to construct one — try them in roughly this order\r\n\r\n1. **Failing test** at whatever seam reaches the bug — unit, integration, e2e.\r\n2. **Curl / HTTP script** against a running dev server.\r\n3. **CLI invocation** with a fixture input, diffing stdout against a known-good snapshot.\r\n4. **Headless browser script** (Playwright / Puppeteer) — drives the UI, asserts on DOM/console/network.\r\n5. **Replay a captured trace.** Save a real network request / payload / event log to disk; replay it through the code path in isolation.\r\n6. **Throwaway harness.** Spin up a minimal subset of the system (one service, mocked deps) that exercises the bug code path with a single function call.\r\n7. **Property / fuzz loop.** If the bug is \"sometimes wrong output\", run 1000 random inputs and look for the failure mode.\r\n8. **Bisection harness.** If the bug appeared between two known states (commit, dataset, version), automate \"boot at state X, check, repeat\" so you can `git bisect run` it.\r\n9. **Differential loop.** Run the same input through old-version vs new-version (or two configs) and diff outputs.\r\n10. **HITL bash script.** Last resort. If a human must click, drive _them_ with `scripts/hitl-loop.template.sh` so the loop is still structured. Captured output feeds back to you.\r\n\r\nBuild the right feedback loop, and the bug is 90% fixed.\r\n\r\n### Tighten the loop\r\n\r\nTreat the loop as a product. Once you have _a_ loop, **tighten** it:\r\n\r\n- Can I make it faster? (Cache setup, skip unrelated init, narrow the test scope.)\r\n- Can I make the signal sharper? (Assert on the specific symptom, not \"didn't crash\".)\r\n- Can I make it more deterministic? (Pin time, seed RNG, isolate filesystem, freeze network.)\r\n\r\nA 30-second flaky loop is barely better than no loop; a 2-second deterministic one is tight — a debugging superpower.\r\n\r\n### Non-deterministic bugs\r\n\r\nThe goal is not a clean repro but a **higher reproduction rate**. Loop the trigger 100×, parallelise, add stress, narrow timing windows, inject sleeps. A 50%-flake bug is debuggable; 1% is not — keep raising the rate until it's debuggable.\r\n\r\n### When you genuinely cannot build a loop\r\n\r\nStop and say so explicitly. List what you tried. Ask the user for: (a) access to whatever environment reproduces it, (b) a captured artifact (HAR file, log dump, core dump, screen recording with timestamps), or (c) permission to add temporary production instrumentation. Do **not** proceed to hypothesise without a loop.\r\n\r\n### Completion criterion — a tight loop that goes red\r\n\r\nPhase 1 is done when the loop is **tight** and **red-capable**: you can name **one command** — a script path, a test invocation, a curl — that you have **already run at least once** (paste the invocation and its output), and that is:\r\n\r\n- [ ] **Red-capable** — it drives the actual bug code path and asserts the **user's exact symptom**, so it can go red on this bug and green once fixed. Not \"runs without erroring\" — it must be able to _catch this specific bug_.\r\n- [ ] **Deterministic** — same verdict every run (flaky bugs: a pinned, high reproduction rate, per above).\r\n- [ ] **Fast** — seconds, not minutes.\r\n- [ ] **Agent-runnable** — you can run it unattended; a human in the loop only via `scripts/hitl-loop.template.sh`.\r\n\r\nIf you catch yourself reading code to build a theory before this command exists, **stop — jumping straight to a hypothesis is the exact failure this skill prevents.** No red-capable command, no Phase 2.\r\n\r\n## Phase 2 — Reproduce + minimise\r\n\r\nRun the loop. Watch it go red — the bug appears.\r\n\r\nConfirm:\r\n\r\n- [ ] The loop produces the failure mode the **user** described — not a different failure that happens to be nearby. Wrong bug = wrong fix.\r\n- [ ] The failure is reproducible across multiple runs (or, for non-deterministic bugs, reproducible at a high enough rate to debug against).\r\n- [ ] You have captured the exact symptom (error message, wrong output, slow timing) so later phases can verify the fix actually addresses it.\r\n\r\n### Minimise\r\n\r\nOnce it's red, shrink the repro to the **smallest scenario that still goes red**. Cut inputs, callers, config, data, and steps **one at a time**, re-running the loop after each cut — keep only what's load-bearing for the failure.\r\n\r\nWhy bother: a minimal repro shrinks the hypothesis space in Phase 3 (fewer moving parts left to suspect) and becomes the clean regression test in Phase 5.\r\n\r\nDone when **every remaining element is load-bearing** — removing any one of them makes the loop go green.\r\n\r\nDo not proceed until you have reproduced **and** minimised.\r\n\r\n## Phase 3 — Hypothesise\r\n\r\nGenerate **3–5 ranked hypotheses** before testing any of them. Single-hypothesis generation anchors on the first plausible idea.\r\n\r\nEach hypothesis must be **falsifiable**: state the prediction it makes.\r\n\r\n> Format: \"If <X> is the cause, then <changing Y> will make the bug disappear / <changing Z> will make it worse.\"\r\n\r\nIf you cannot state the prediction, the hypothesis is a vibe — discard or sharpen it.\r\n\r\n**Show the ranked list to the user before testing.** They often have domain knowledge that re-ranks instantly (\"we just deployed a change to #3\"), or know hypotheses they've already ruled out. Cheap checkpoint, big time saver. Don't block on it — proceed with your ranking if the user is AFK.\r\n\r\n## Phase 4 — Instrument\r\n\r\nEach probe must map to a specific prediction from Phase 3. **Change one variable at a time.**\r\n\r\nTool preference:\r\n\r\n1. **Debugger / REPL inspection** if the env supports it. One breakpoint beats ten logs.\r\n2. **Targeted logs** at the boundaries that distinguish hypotheses.\r\n3. Never \"log everything and grep\".\r\n\r\n**Tag every debug log** with a unique prefix, e.g. `[DEBUG-a4f2]`. Cleanup at the end becomes a single grep. Untagged logs survive; tagged logs die.\r\n\r\n**Perf branch.** For performance regressions, logs are usually wrong. Instead: establish a baseline measurement (timing harness, `performance.now()`, profiler, query plan), then bisect. Measure first, fix second.\r\n\r\n## Phase 5 — Fix + regression test\r\n\r\nWrite the regression test **before the fix** — but only if there is a **correct seam** for it.\r\n\r\nA correct seam is one where the test exercises the **real bug pattern** as it occurs at the call site. If the only available seam is too shallow (single-caller test when the bug needs multiple callers, unit test that can't replicate the chain that triggered the bug), a regression test there gives false confidence.\r\n\r\n**If no correct seam exists, that itself is the finding.** Note it. The codebase architecture is preventing the bug from being locked down. Flag this for the next phase.\r\n\r\nIf a correct seam exists:\r\n\r\n1. Turn the minimised repro into a failing test at that seam.\r\n2. Watch it fail.\r\n3. Apply the fix.\r\n4. Watch it pass.\r\n5. Re-run the Phase 1 feedback loop against the original (un-minimised) scenario.\r\n\r\n## Phase 6 — Cleanup + post-mortem\r\n\r\nRequired before declaring done:\r\n\r\n- [ ] Original repro no longer reproduces (re-run the Phase 1 loop)\r\n- [ ] Regression test passes (or absence of seam is documented)\r\n- [ ] All `[DEBUG-...]` instrumentation removed (`grep` the prefix)\r\n- [ ] Throwaway prototypes deleted (or moved to a clearly-marked debug location)\r\n- [ ] The hypothesis that turned out correct is stated in the commit / PR message — so the next debugger learns\r\n\r\n**Then ask: what would have prevented this bug?** If the answer involves architectural change (no good test seam, tangled callers, hidden coupling) hand off to the `/improve-codebase-architecture` skill with the specifics. Make the recommendation **after** the fix is in, not before — you have more information now than when you started.\r","startLine":1,"lineNumbers":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134]},"meta":{"source":{"type":"internal","value":"skill://diagnosing-bugs"}}},"isError":false,"timestamp":1789543842210}}
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{"type":"message","id":"2e9b1379","parentId":"6a59c1db","timestamp":"2026-09-16T07:30:59.919Z","message":{"role":"toolResult","toolCallId":"call_Bh3o3MHjzbQLgSRjsgGONCNq|fc_0087a3f074a9af55016aaa45b3cb9c87d29ef5cde336ace7e8","toolName":"read","content":[{"type":"text","text":"[.worktrees/302-net-worker-stamps/crates/spt-net-diag/src/stacks/windows.rs#03E3]\n1://! Stack bytes and register contexts are copied without Rust allocation/locks\n2://! while suspended. A resume failure gets one kernel-only retry. If it fails,\n3://! emit a static native emergency line and return preallocated fatal evidence;\n4://! the observer must disarm and retain (not drop) the sampler and evidence.\n5://! Resumption and <=100ms remain native proof obligations, not guarantees.\n6://! Image metadata is read live; module lifetime races remain unvalidated.\n7:\n8:use serde_json::{json, Value};\n…\n19-43:use windows_sys::Win32::{ … };\n44:\n45:// Keep the failure escape independent of Rust stderr/allocator locks. These\n46:// kernel32 APIs require no additional windows-sys feature activation.\n47:#[link(name = \"kernel32\")]\n48-57:extern \"system\" { … }\n58:\n59-74:fn emit_resume_failure() { … }\n75:\n76:const STACK_BYTES: usize = 2 * 1024 * 1024;\n77:const MAX_FRAMES: usize = 128;\n78:const IMAGE_FILE_MACHINE_AMD64: u32 = 0x8664;\n79:// Serializes every DbgHelp entry point made by this backend, including Drop.\n80:// Other in-process DbgHelp consumers must also avoid concurrent use; the Windows\n81:// library itself does not provide a process-wide serialization primitive.\n82:static DBGHELP: Mutex<()> = Mutex::new(());\n83:\n84:struct Handle(HANDLE);\n85-91:impl Drop for Handle { … }\n92:\n93:// The bindings' CONTEXT alignment is only 8, whereas GetThreadContext requires 16.\n94:#[repr(C, align(16))]\n95:struct AlignedContext(CONTEXT);\n96:\n97-110:struct Worker { … }\n111:\n112-119:pub(crate) struct StackSampler { … }\n120:\n121-264:impl StackSampler { … }\n265:\n266-273:impl Drop for StackSampler { … }\n274:\n275:// Options are process-global, not per symbol session. Apply the same restricted\n276:// search and matching policy during capture as initialization, then restore.\n277:// Callers hold DBGHELP throughout this guard's lifetime.\n278:struct SymbolOptions(u32);\n279-295:impl SymbolOptions { … }\n296-302:impl Drop for SymbolOptions { … }\n303:\n304:fn micros(start: Instant) -> u64 {\n305:    start.elapsed().as_micros().min(u64::MAX as u128) as u64\n306:}\n307:\n308:// Successful suspension owns precisely one suspend-count increment. Drop is the\n309:// fallback for all early returns/unwinds; explicit resume records OS failure.\n310-313:struct ResumeGuard { … }\n314:\n315:// A narrow seam for forced native-failure source checks: production invokes\n316:// only ResumeThread/GetLastError here, with no allocation or Rust locks.\n317-322:fn resume_twice(mut attempt: impl FnMut() -> Result<(), u32>) -> (Option<u32>, Option<u32>) { … }\n323:\n324-337:impl ResumeGuard { … }\n338-344:impl Drop for ResumeGuard { … }\n345:\n346-597:impl Worker { … }\n598:\n599-603:struct StackView { … }\n604:thread_local! {\n605:    static READ_VIEW: Cell<*const StackView> = const { Cell::new(ptr::null()) };\n606:}\n607:struct ReadViewGuard(*const StackView);\n608-612:impl ReadViewGuard { … }\n613-617:impl Drop for ReadViewGuard { … }\n618:\n619:unsafe extern \"system\" fn symbol_callback(\n620:    process: HANDLE,\n621:    action: u32,\n622:    data: u64,\n623:    _context: u64,\n624-638:) -> i32 { … }\n639:\n640:unsafe extern \"system\" fn read_snapshot(\n641:    process: HANDLE,\n642:    address: u64,\n643:    destination: *mut c_void,\n644:    size: u32,\n645:    read: *mut u32,\n646-704:) -> i32 { … }\n705:\n706-748:fn symbolize_pc(process: HANDLE, pc: u64, errors: &mut Vec<String>) -> String { … }\n749:\n750-753:fn frame_symbol(frame: &str) -> &str { … }\n754:\n755-813:fn is_tokio_idle(frames: &[String]) -> bool { … }\n814:\n815:#[cfg(test)]\n816-874:mod tests { … }\n\n[…755ln elided; re-read needed ranges, e.g. .worktrees/302-net-worker-stamps/crates/spt-net-diag/src/stacks/windows.rs:9-18,19-43]"}],"details":{"displayContent":{"text":"//! Stack bytes and register contexts are copied without Rust allocation/locks\n//! while suspended. A resume failure gets one kernel-only retry. If it fails,\n//! emit a static native emergency line and return preallocated fatal evidence;\n//! the observer must disarm and retain (not drop) the sampler and evidence.\n//! Resumption and <=100ms remain native proof obligations, not guarantees.\n//! Image metadata is read live; module lifetime races remain unvalidated.\n\nuse serde_json::{json, Value};\n…\nuse windows_sys::Win32::{ … };\n\n// Keep the failure escape independent of Rust stderr/allocator locks. These\n// kernel32 APIs require no additional windows-sys feature activation.\n#[link(name = \"kernel32\")]\nextern \"system\" { … }\n\nfn emit_resume_failure() { … }\n\nconst STACK_BYTES: usize = 2 * 1024 * 1024;\nconst MAX_FRAMES: usize = 128;\nconst IMAGE_FILE_MACHINE_AMD64: u32 = 0x8664;\n// Serializes every DbgHelp entry point made by this backend, including Drop.\n// Other in-process DbgHelp consumers must also avoid concurrent use; the Windows\n// library itself does not provide a process-wide serialization primitive.\nstatic DBGHELP: Mutex<()> = Mutex::new(());\n\nstruct Handle(HANDLE);\nimpl Drop for Handle { … }\n\n// The bindings' CONTEXT alignment is only 8, whereas GetThreadContext requires 16.\n#[repr(C, align(16))]\nstruct AlignedContext(CONTEXT);\n\nstruct Worker { … }\n\npub(crate) struct StackSampler { … }\n\nimpl StackSampler { … }\n\nimpl Drop for StackSampler { … }\n\n// Options are process-global, not per symbol session. Apply the same restricted\n// search and matching policy during capture as initialization, then restore.\n// Callers hold DBGHELP throughout this guard's lifetime.\nstruct SymbolOptions(u32);\nimpl SymbolOptions { … }\nimpl Drop for SymbolOptions { … }\n\nfn micros(start: Instant) -> u64 {\n    start.elapsed().as_micros().min(u64::MAX as u128) as u64\n}\n\n// Successful suspension owns precisely one suspend-count increment. Drop is the\n// fallback for all early returns/unwinds; explicit resume records OS failure.\nstruct ResumeGuard { … }\n\n// A narrow seam for forced native-failure source checks: production invokes\n// only ResumeThread/GetLastError here, with no allocation or Rust locks.\nfn resume_twice(mut attempt: impl FnMut() -> Result<(), u32>) -> (Option<u32>, Option<u32>) { … }\n\nimpl ResumeGuard { … }\nimpl Drop for ResumeGuard { … }\n\nimpl Worker { … }\n\nstruct StackView { … }\nthread_local! {\n    static READ_VIEW: Cell<*const StackView> = const { Cell::new(ptr::null()) };\n}\nstruct ReadViewGuard(*const StackView);\nimpl ReadViewGuard { … }\nimpl Drop for ReadViewGuard { … }\n\nunsafe extern \"system\" fn symbol_callback(\n    process: HANDLE,\n    action: u32,\n    data: u64,\n    _context: u64,\n) -> i32 { … }\n\nunsafe extern \"system\" fn read_snapshot(\n    process: HANDLE,\n    address: u64,\n    destination: *mut c_void,\n    size: u32,\n    read: *mut u32,\n) -> i32 { … }\n\nfn symbolize_pc(process: HANDLE, pc: u64, errors: &mut Vec<String>) -> String { … }\n\nfn frame_symbol(frame: &str) -> &str { … }\n\nfn is_tokio_idle(frames: &[String]) -> bool { … }\n\n#[cfg(test)]\nmod tests { … }","startLine":1},"summary":{"lines":96,"elidedSpans":25,"elidedLines":755},"fileSize":30880,"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\302-net-worker-stamps\\crates\\spt-net-diag\\src\\stacks\\windows.rs"}}},"isError":false,"timestamp":1789543859919}}
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Clean-room rebuild of `claude_skill_owl`.\n4:\n5:**Orientation — read before working:** `PRD.md` (requirements), `ROADMAP.md` (build path), `CONTEXT.md` (glossary/model, authoritative for meaning), `docs/adr/` (decisions), `docs/KNOWN-HAZARDS.md` (invariants we must not re-break), `docs/{STORAGE,MANIFEST,CONTEXT-MEMORY,DOCS-STRATEGY,TRACEABILITY}.md`.\n6:\n7:For maintainer/debug update work, also read `docs/DEBUG-ROLLOUT.md` before touching the update-set or rollout path.\n8:\n9:For work needing Linux tests and proof, this machine is authorized to ssh into a Linux box: `reavus@kitsubito`\n10:\n11:IMPORTANT: All agents you work alongside run on spt-core itself — the legacy-SPT (`$OWL`/`$LIVE`) era ended with the 2026-07 fleet migration; those commands are gone. Reach other agents with `spt send` (or the `/sptc:send` skill); keep message bodies short, and send long bodies from a file rather than inline. Everything else can be learned from the corresponding `/sptc:` skill doc.\n12:\n13:## Requirement traceability (binding)\n14:\n15:This project uses `traceable-reqs` (`traceable-reqs.toml` = the authoritative `REQ-*` registry). The full contract is `docs/TRACEABILITY.md`. The rules you must follow:\n16:\n17:1. **Tag evidence in the same change.** When you write a function/test/doc-section that satisfies a requirement stage, add its tag in that same commit:\n18:   `// [impl->REQ-FOO]` · `// [unit->REQ-FOO]` · `<!-- [doc->REQ-FOO] -->`\n19:   Stages: `doc` / `impl` / `unit` / `int`. Tag *on or immediately above* the real evidence — never at file tops to satisfy coverage.\n20:2. **Run `traceable-reqs check` before declaring work done.** Exit-1 means missing/invalid evidence — fix it, don't ship it.\n21:3. **New requirement → add it to `traceable-reqs.toml` first** (with a `REQ-*` id), then satisfy it. No untracked work; no untagged evidence.\n22:4. **KNOWN-HAZARDS are `REQ-HAZARD-*` requirements** — each needs a test before it's \"covered.\" Treat the hazard list as a conformance checklist you must satisfy, not advice.\n23:5. **Activate, don't pre-fail.** Requirements you aren't yet working stay `required_stages = []`. Activate (set real stages) only when starting the milestone that delivers them.\n24:\n25:## Issue tracking (unique case)\n26:\n27:Codebase issues are maintained on **`BigscreenVR/spt-bs-releases`** — the less-private *releases* repo — NOT on `spt-bs-core` where the code lives. This is a deliberate exception (operator-ruled 2026-07-27): file, triage, and reference issues against `spt-bs-releases`.\n28:\n29:Requests and milestones are tracked through the **alchemy shell** (`alchemy-0`, the Requests shell bound to `spt-bs-releases`) on top of those GitHub issues. The label taxonomy is the workflow: `state:` BACKLOG → EVAL → GREENLIT → WIP → ACCEPTANCE → DONE (plus CUT / SHELVED), `type:` BUGFIX / ADDITION / CHANGE, `flag: NEEDS-OPERATOR`, and per-node `kind: SPT-TRACKING` pins (marked DO NOT DELETE — leave them alone).\n30:\n31:## Other conventions\n32:\n33:- Match surrounding code style; copy-verbatim the sister project's stable wire/schema formats (ADR-0001), clean-room everything else.\n34:- Honor every `docs/KNOWN-HAZARDS.md` invariant — these are real bugs already paid for once.\n35:- Docs are dual-audience (human + AI dev-agent) per `docs/DOCS-STRATEGY.md`; doc generation is CI-gated against drift.\n36:- Commit messages end with the project's co-author trailer, exact spelling `Co-authored by: <your live agent name>` (e.g. `Co-authored by: todlando`) — NOT git's hyphenated `Co-Authored-By:`; CI's runner-informant parses only the space spelling for attribution.\n37:  - **Audit this trailer with `git log --grep` or a raw body read, NEVER `%(trailers:)`** (nor `interpret-trailers --parse`): git's trailer tokenizer requires a whitespace-free token, so the space spelling is structurally invisible to it and every trailer query returns a confident EMPTY on every commit — a clean zero that reads as total attribution loss. Measured 2026-07-30 (main @`8f3e10b`, Signed-off-by and hyphenated-key controls both parse); re-derived at full cost 2026-08-03 by one of its own original measurers, which is why this sentence lives here at the mandate rather than in a document you must decide to open.\n38:- **Worktrees (binding, operator-ruled 2026-07-05):** every `git worktree` (gate rigs, agent scratch, anything) goes under `.worktrees/` in THIS project's root (`.gitignore`d) — e.g. `git worktree add --detach .worktrees/gate-<sha> <sha>`. NEVER create worktrees as siblings of the project dir; stray sibling folders accumulate orphan-pinned skeletons and pollute `~/Documents/projects`. Remove yours when done (`git worktree remove` + prune; retry later if a handle pins it).\n39:<!-- [doc->REQ-POOL-FOREIGN-TREE-REFUSED] -->\n40:- **Build-cache pools (binding, releases#103):** a cargo `target/` directory belongs to ONE source tree. Two trees building into one pool overwrite each other's artifacts and fabricate reds that belong to neither — the v0.51.0 W1/H1 `E0308` that vanished on re-run. **The rule is about the RELATIONSHIP, not the path:** a junction and a `CARGO_TARGET_DIR` env var reach the same hazard, and the env var leaves no directory entry to notice afterwards, so \"is this dir under `.worktrees/`\" never was the question. A build script enforces it (`crates/spt-store/build.rs`) and refuses with `SPT_POOL_FOREIGN`. **Sharing a pool SEQUENTIALLY is fine and expected** — a finished lane is taken over loudly, not refused; only a LIVE lane blocks you. Claim a pool at lane start …\n41:- **Target-tree teardown (releases#103, same lane):** never delete a `target/` you have not classified. Check OUTBOUND first (`Get-Item -Force`: a junction is deleted as a link, a real dir as a tree), then sweep INBOUND for reparse points aimed at it before removing a real one, and measure size and free space before and after so the reclaim is a number rather than a claim. Reap the target SUBTREE, never a session or worktree directory around it. Do not point `CARGO_TARGET_DIR` into a scratchpad (v0.50.0 incident) or at another checkout's target (H1 incident).\n42:- **CI / merge strategy:** golden CI (ADR-0050, ruled 2026-07-27) — milestone-batch golden runs, thin-lane PRs, ff-only main (tested sha == merged sha). Piloting from the next milestone; read the ADR before shaping a PR lane.\n43:\n44:If you finish a significant body of work without need for user intervention, or if your context gets too high, you can clear your own context and keep moving:\n45:1. Create a JIT plan for the next immediate body of work, if it isn't already planned\n46:2. If you are a live agent, /sptc:commune with immediate next steps and broad summary of the project's status + end goal\n47:3. Execute the /self-clear skill\n\n[Some lines truncated to 768 chars]"}],"details":{"totalLines":47,"displayContent":{"text":"# spt-core — agent working rules\r\n\r\nHarness-independent core for an agent ecosystem (messaging, live-agent lifecycle, terminal hosting, P2P networking, runtime-manifest harness contract). Rust crates + a single `spt` binary. Clean-room rebuild of `claude_skill_owl`.\r\n\r\n**Orientation — read before working:** `PRD.md` (requirements), `ROADMAP.md` (build path), `CONTEXT.md` (glossary/model, authoritative for meaning), `docs/adr/` (decisions), `docs/KNOWN-HAZARDS.md` (invariants we must not re-break), `docs/{STORAGE,MANIFEST,CONTEXT-MEMORY,DOCS-STRATEGY,TRACEABILITY}.md`.\r\n\r\nFor maintainer/debug update work, also read `docs/DEBUG-ROLLOUT.md` before touching the update-set or rollout path.\r\n\r\nFor work needing Linux tests and proof, this machine is authorized to ssh into a Linux box: `reavus@kitsubito`\r\n\r\nIMPORTANT: All agents you work alongside run on spt-core itself — the legacy-SPT (`$OWL`/`$LIVE`) era ended with the 2026-07 fleet migration; those commands are gone. Reach other agents with `spt send` (or the `/sptc:send` skill); keep message bodies short, and send long bodies from a file rather than inline. Everything else can be learned from the corresponding `/sptc:` skill doc.\r\n\r\n## Requirement traceability (binding)\r\n\r\nThis project uses `traceable-reqs` (`traceable-reqs.toml` = the authoritative `REQ-*` registry). The full contract is `docs/TRACEABILITY.md`. The rules you must follow:\r\n\r\n1. **Tag evidence in the same change.** When you write a function/test/doc-section that satisfies a requirement stage, add its tag in that same commit:\r\n   `// [impl->REQ-FOO]` · `// [unit->REQ-FOO]` · `<!-- [doc->REQ-FOO] -->`\r\n   Stages: `doc` / `impl` / `unit` / `int`. Tag *on or immediately above* the real evidence — never at file tops to satisfy coverage.\r\n2. **Run `traceable-reqs check` before declaring work done.** Exit-1 means missing/invalid evidence — fix it, don't ship it.\r\n3. **New requirement → add it to `traceable-reqs.toml` first** (with a `REQ-*` id), then satisfy it. No untracked work; no untagged evidence.\r\n4. **KNOWN-HAZARDS are `REQ-HAZARD-*` requirements** — each needs a test before it's \"covered.\" Treat the hazard list as a conformance checklist you must satisfy, not advice.\r\n5. **Activate, don't pre-fail.** Requirements you aren't yet working stay `required_stages = []`. Activate (set real stages) only when starting the milestone that delivers them.\r\n\r\n## Issue tracking (unique case)\r\n\r\nCodebase issues are maintained on **`BigscreenVR/spt-bs-releases`** — the less-private *releases* repo — NOT on `spt-bs-core` where the code lives. This is a deliberate exception (operator-ruled 2026-07-27): file, triage, and reference issues against `spt-bs-releases`.\r\n\r\nRequests and milestones are tracked through the **alchemy shell** (`alchemy-0`, the Requests shell bound to `spt-bs-releases`) on top of those GitHub issues. The label taxonomy is the workflow: `state:` BACKLOG → EVAL → GREENLIT → WIP → ACCEPTANCE → DONE (plus CUT / SHELVED), `type:` BUGFIX / ADDITION / CHANGE, `flag: NEEDS-OPERATOR`, and per-node `kind: SPT-TRACKING` pins (marked DO NOT DELETE — leave them alone).\r\n\r\n## Other conventions\r\n\r\n- Match surrounding code style; copy-verbatim the sister project's stable wire/schema formats (ADR-0001), clean-room everything else.\r\n- Honor every `docs/KNOWN-HAZARDS.md` invariant — these are real bugs already paid for once.\r\n- Docs are dual-audience (human + AI dev-agent) per `docs/DOCS-STRATEGY.md`; doc generation is CI-gated against drift.\r\n- Commit messages end with the project's co-author trailer, exact spelling `Co-authored by: <your live agent name>` (e.g. `Co-authored by: todlando`) — NOT git's hyphenated `Co-Authored-By:`; CI's runner-informant parses only the space spelling for attribution.\r\n  - **Audit this trailer with `git log --grep` or a raw body read, NEVER `%(trailers:)`** (nor `interpret-trailers --parse`): git's trailer tokenizer requires a whitespace-free token, so the space spelling is structurally invisible to it and every trailer query returns a confident EMPTY on every commit — a clean zero that reads as total attribution loss. Measured 2026-07-30 (main @`8f3e10b`, Signed-off-by and hyphenated-key controls both parse); re-derived at full cost 2026-08-03 by one of its own original measurers, which is why this sentence lives here at the mandate rather than in a document you must decide to open.\r\n- **Worktrees (binding, operator-ruled 2026-07-05):** every `git worktree` (gate rigs, agent scratch, anything) goes under `.worktrees/` in THIS project's root (`.gitignore`d) — e.g. `git worktree add --detach .worktrees/gate-<sha> <sha>`. NEVER create worktrees as siblings of the project dir; stray sibling folders accumulate orphan-pinned skeletons and pollute `~/Documents/projects`. Remove yours when done (`git worktree remove` + prune; retry later if a handle pins it).\r\n<!-- [doc->REQ-POOL-FOREIGN-TREE-REFUSED] -->\r\n- **Build-cache pools (binding, releases#103):** a cargo `target/` directory belongs to ONE source tree. Two trees building into one pool overwrite each other's artifacts and fabricate reds that belong to neither — the v0.51.0 W1/H1 `E0308` that vanished on re-run. **The rule is about the RELATIONSHIP, not the path:** a junction and a `CARGO_TARGET_DIR` env var reach the same hazard, and the env var leaves no directory entry to notice afterwards, so \"is this dir under `.worktrees/`\" never was the question. A build script enforces it (`crates/spt-store/build.rs`) and refuses with `SPT_POOL_FOREIGN`. **Sharing a pool SEQUENTIALLY is fine and expected** — a finished lane is taken over loudly, not refused; only a LIVE lane blocks you. Claim a pool at lane start …\n- **Target-tree teardown (releases#103, same lane):** never delete a `target/` you have not classified. Check OUTBOUND first (`Get-Item -Force`: a junction is deleted as a link, a real dir as a tree), then sweep INBOUND for reparse points aimed at it before removing a real one, and measure size and free space before and after so the reclaim is a number rather than a claim. Reap the target SUBTREE, never a session or worktree directory around it. Do not point `CARGO_TARGET_DIR` into a scratchpad (v0.50.0 incident) or at another checkout's target (H1 incident).\r\n- **CI / merge strategy:** golden CI (ADR-0050, ruled 2026-07-27) — milestone-batch golden runs, thin-lane PRs, ff-only main (tested sha == merged sha). Piloting from the next milestone; read the ADR before shaping a PR lane.\r\n\r\nIf you finish a significant body of work without need for user intervention, or if your context gets too high, you can clear your own context and keep moving:\r\n1. Create a JIT plan for the next immediate body of work, if it isn't already planned\r\n2. If you are a live agent, /sptc:commune with immediate next steps and broad summary of the project's status + end goal\r\n3. Execute the /self-clear skill\r","startLine":1,"lineNumbers":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47]},"fileSize":8436,"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\302-net-worker-stamps\\AGENTS.md"},"limits":{"columnTruncated":{"maxColumn":768}}}},"isError":false,"timestamp":1789543882234}}
{"type":"message","id":"aade97b5","parentId":"df769aab","timestamp":"2026-09-16T07:31:22.235Z","message":{"role":"toolResult","toolCallId":"call_MmaoRu19qqgSSYnb4H0BA4Nm|fc_0087a3f074a9af55016aaa45ca18a487d28664eb22ce8d9730","toolName":"read","content":[{"type":"text","text":"[.spt/preserved/302/todlando-windows/forced-1/verify.stderr#FD8A]\n1:Traceback (most recent call last):\n2:  File \"C:\\Users\\decid\\Documents\\projects\\spt-core\\.spt\\preserved\\302\\todlando-windows\\verify.py\", line 38, in <module>\n3:    assert separated_pairs, 'need two complete bounded both-worker captures at least 250ms apart'\n4:AssertionError: need two complete bounded both-worker captures at least 250ms apart"}],"details":{"totalLines":4,"displayContent":{"text":"Traceback (most recent call last):\r\n  File \"C:\\Users\\decid\\Documents\\projects\\spt-core\\.spt\\preserved\\302\\todlando-windows\\verify.py\", line 38, in <module>\r\n    assert separated_pairs, 'need two complete bounded both-worker captures at least 250ms apart'\r\nAssertionError: need two complete bounded both-worker captures at least 250ms apart\r","startLine":1,"lineNumbers":[1,2,3,4]},"fileSize":341,"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.spt\\preserved\\302\\todlando-windows\\forced-1\\verify.stderr"}}},"isError":false,"timestamp":1789543882235}}
{"type":"message","id":"57db33ec","parentId":"aade97b5","timestamp":"2026-09-16T07:31:22.239Z","message":{"role":"toolResult","toolCallId":"call_sj5iPzySvuEX8znwmM9RrsWa|fc_0087a3f074a9af55016aaa45ca188487d2ba34ae796d4f5023","toolName":"read","content":[{"type":"text","text":"[.worktrees/302-net-worker-stamps/crates/spt-net-diag/src/stacks/windows.rs#03E3]\n9:use std::{\n10:    cell::Cell,\n11:    ffi::c_void,\n12:    io,\n13:    mem::{size_of, zeroed},\n14:    os::windows::ffi::OsStrExt,\n15:    ptr::{self, null_mut},\n16:    sync::Mutex,\n17:    time::Instant,\n18:};\n19:use windows_sys::Win32::{\n20:    Foundation::{\n21:        CloseHandle, DuplicateHandle, GetLastError, SetLastError, DUPLICATE_SAME_ACCESS, HANDLE,\n22:    },\n23:    System::{\n24:        Diagnostics::Debug::{\n25:            AddrModeFlat, GetThreadContext, ReadProcessMemory, StackWalk64, SymCleanup,\n26:            SymFromAddr, SymFunctionTableAccess64, SymGetModuleBase64, SymGetModuleInfo64,\n27:            SymGetOptions, SymInitializeW, SymPdb, SymRegisterCallback64, SymSetOptions,\n28:            CBA_READ_MEMORY, CONTEXT, CONTEXT_FULL_AMD64, IMAGEHLP_CBA_READ_MEMORY,\n29:            IMAGEHLP_MODULE64, STACKFRAME64, SYMBOL_INFO, SYMBOL_INFO_PACKAGE,\n30:            SYMOPT_DISABLE_SYMSRV_AUTODETECT, SYMOPT_EXACT_SYMBOLS, SYMOPT_FAIL_CRITICAL_ERRORS,\n31:            SYMOPT_IGNORE_CVREC, SYMOPT_IGNORE_NT_SYMPATH, SYMOPT_NO_PROMPTS, SYMOPT_UNDNAME,\n32:        },\n33:        Memory::{\n34:            VirtualQuery, MEMORY_BASIC_INFORMATION, MEM_COMMIT, MEM_IMAGE, PAGE_GUARD,\n35:            PAGE_NOACCESS,\n36:        },\n37:        Threading::{\n38:            GetCurrentProcess, GetCurrentProcessId, GetCurrentThreadId, GetProcessIdOfThread,\n39:            OpenThread, ResumeThread, SuspendThread, THREAD_GET_CONTEXT, THREAD_QUERY_INFORMATION,\n40:            THREAD_SUSPEND_RESUME,\n41:        },\n42:    },\n43:};\n…\n47:#[link(name = \"kernel32\")]\n48:extern \"system\" {\n49:    fn GetStdHandle(which: u32) -> HANDLE;\n50:    fn WriteFile(\n51:        file: HANDLE,\n52:        bytes: *const u8,\n53:        length: u32,\n54:        written: *mut u32,\n55:        overlapped: *mut c_void,\n56:    ) -> i32;\n57:}\n…\n97:struct Worker {\n98:    tid: u32,\n99:    handle: Handle,\n100:    context: AlignedContext,\n101:    bytes: Vec<u8>,\n102:    start: u64,\n103:    context_valid: bool,\n104:    len: usize,\n105:    suspended_us: u64,\n106:    previous_suspend_count: Option<u32>,\n107:    copy_error: Option<(&'static str, u32)>,\n108:    resume_error: Option<u32>,\n109:    resume_retry_error: Option<u32>,\n110:}\n111:\n112:pub(crate) struct StackSampler {\n113:    workers: [Worker; 2],\n114:    process: Handle,\n115:    initialization_us: u64,\n116:    first_capture: bool,\n117:    fatal_capture: Option<Value>,\n118:    disarmed: bool,\n119:}\n120:\n121:impl StackSampler {\n122:    pub(crate) fn new(worker_tids: [u32; 2]) -> io::Result<Self> {\n123:        let started = Instant::now();\n124:        if worker_tids.contains(&0) || worker_tids[0] == worker_tids[1] {\n125:            return Err(io::Error::new(\n126:                io::ErrorKind::InvalidInput,\n127:                \"two distinct nonzero worker TIDs are required\",\n128:            ));\n129:        }\n130:        let workers = [Worker::new(worker_tids[0])?, Worker::new(worker_tids[1])?];\n131:        let mut process = null_mut();\n132:        unsafe {\n133:            let current = GetCurrentProcess();\n134:            if DuplicateHandle(\n135:                current,\n136:                current,\n137:                current,\n138:                &mut process,\n139:                0,\n140:                0,\n141:                DUPLICATE_SAME_ACCESS,\n142:            ) == 0\n143:            {\n144:                return Err(io::Error::last_os_error());\n145:            }\n146:        }\n147:        let process = Handle(process);\n148:        // A unique owned handle gives this sampler its own DbgHelp symbol session.\n149:        // An explicit search path and ignored CodeView path avoid inherited\n150:        // symbol-server and build-machine PDB locations. Eager loading is timed\n151:        // as initialization, not hidden inside the first stale capture.\n152:        let exe = std::env::current_exe()?;\n153:        let directory = exe\n154:            .parent()\n155:            .ok_or_else(|| io::Error::other(\"executable has no directory\"))?;\n156:        let path: Vec<u16> = directory.as_os_str().encode_wide().chain(Some(0)).collect();\n157:        let _lock = DBGHELP.lock().unwrap_or_else(|e| e.into_inner());\n158:        let _options = SymbolOptions::new();\n159:        unsafe {\n160:            if SymInitializeW(process.0, path.as_ptr(), 1) == 0 {\n161:                return Err(io::Error::last_os_error());\n162:            }\n163:            if SymRegisterCallback64(process.0, Some(symbol_callback), 0) == 0 {\n164:                let error = GetLastError();\n165:                SymCleanup(process.0);\n166:                return Err(io::Error::from_raw_os_error(error as i32));\n167:            }\n168:        }\n169:        let fatal_capture = json!({\n170:            \"fatal_resume_failure\": true,\n171:            \"failed_tid\": 0,\n172:            \"resume_error\": 0,\n173:            \"resume_retry_error\": 0,\n174:            \"capture_duration_ms\": 0,\n175:            \"workers\": worker_tids.map(|tid| json!({\n176:                \"tid\": tid,\n177:                \"activity\": \"unknown\",\n178:                \"op_id\": null,\n179:                \"frames\": [],\n180:                \"progress_counter\": null,\n181:                \"error\": \"paired capture abandoned: worker resume unconfirmed\"\n182:            }))\n183:        });\n184:        Ok(Self {\n185:            workers,\n186:            process,\n187:            initialization_us: micros(started),\n188:            first_capture: true,\n189:            fatal_capture: Some(fatal_capture),\n190:            disarmed: false,\n191:        })\n192:    }\n193:\n194:    pub(crate) fn capture(&mut self) -> Value {\n195:        if self.disarmed {\n196:            return Value::Null;\n197:        }\n198:        let started = Instant::now();\n199:        // No DbgHelp lock is held here: a suspended worker may itself own it.\n200:        for worker in &mut self.workers {\n201:            worker.copy_stack(self.process.0);\n202:            if let Some(retry_error) = worker.resume_retry_error {\n203:                self.disarmed = true;\n204:                // No symbolization, Rust locks, allocation OR deallocation\n205:                // after an unconfirmed resume. All keys already exist.\n206:                let mut fatal = self.fatal_capture.take().unwrap_or(Value::Null);\n207:                if let Some(value) = fatal.get_mut(\"failed_tid\") {\n208:                    *value = Value::from(worker.tid);\n209:                }\n210:                if let Some(value) = fatal.get_mut(\"resume_error\") {\n211:                    *value = Value::from(worker.resume_error.unwrap_or(0));\n212:                }\n213:                if let Some(value) = fatal.get_mut(\"resume_retry_error\") {\n214:                    *value = Value::from(retry_error);\n215:                }\n216:                emit_resume_failure();\n217:                if let Some(value) = fatal.get_mut(\"capture_duration_ms\") {\n218:                    *value = Value::from(micros(started).div_ceil(1000));\n219:                }\n220:                return fatal;\n221:            }\n222:        }\n223:        let copy_duration_us = micros(started);\n224:        let lock_started = Instant::now();\n225:        let lock = DBGHELP.lock().unwrap_or_else(|e| e.into_inner());\n226:        let symbol_lock_wait_us = micros(lock_started);\n227:        let options = SymbolOptions::new();\n228:        let symbol_started = Instant::now();\n229:        let workers: Vec<Value> = self\n230:            .workers\n231:            .iter_mut()\n232:            .map(|worker| worker.symbolize(self.process.0))\n233:            .collect();\n234:        let symbolization_us = micros(symbol_started);\n235:        drop(options);\n236:        drop(lock);\n237:        let suspend_duration_us: u64 = self.workers.iter().map(|w| w.suspended_us).sum();\n238:        let first_capture = self.first_capture;\n239:        self.first_capture = false;\n240:        let mut result = json!({\n241:            \"workers\": workers,\n242:            \"capture_duration_ms\": started.elapsed().as_millis() as u64,\n243:            \"perturbation\": {\n244:                \"backend\": \"windows-x64-copied-stack\",\n245:                \"suspend_duration_us\": suspend_duration_us,\n246:                \"suspend_duration_is_upper_bound\": self.workers.iter().all(|w| {\n247:                    w.resume_retry_error.is_none()\n248:                        && w.previous_suspend_count.is_none_or(|count| count == 0)\n249:                }),\n250:                \"stack_copy_phase_us\": copy_duration_us,\n251:                \"symbol_lock_wait_us\": symbol_lock_wait_us,\n252:                \"symbolization_us\": symbolization_us,\n253:                \"initialization_us\": self.initialization_us,\n254:                \"first_capture\": first_capture,\n255:                \"captures_are_sequential\": true,\n256:                \"stack_buffer_bytes_per_worker\": STACK_BYTES,\n257:                \"frame_limit\": MAX_FRAMES\n258:            }\n259:        });\n260:        // Include construction of the evidence value in the measured capture.\n261:        result[\"capture_duration_ms\"] = json!(micros(started).div_ceil(1000));\n262:        result\n263:    }\n264:}\n…\n279:impl SymbolOptions {\n280:    fn new() -> Self {\n281:        unsafe {\n282:            let old = SymGetOptions();\n283:            SymSetOptions(\n284:                SYMOPT_UNDNAME\n285:                    | SYMOPT_FAIL_CRITICAL_ERRORS\n286:                    | SYMOPT_NO_PROMPTS\n287:                    | SYMOPT_IGNORE_NT_SYMPATH\n288:                    | SYMOPT_IGNORE_CVREC\n289:                    | SYMOPT_DISABLE_SYMSRV_AUTODETECT\n290:                    | SYMOPT_EXACT_SYMBOLS,\n291:            );\n292:            Self(old)\n293:        }\n294:    }\n295:}\n296:impl Drop for SymbolOptions {\n297:    fn drop(&mut self) {\n298:        unsafe {\n299:            SymSetOptions(self.0);\n300:        }\n301:    }\n302:}\n…\n346:impl Worker {\n347:    fn new(tid: u32) -> io::Result<Self> {\n348:        if tid == unsafe { GetCurrentThreadId() } {\n349:            return Err(io::Error::new(\n350:                io::ErrorKind::InvalidInput,\n351:                \"stack sampler cannot suspend its own thread\",\n352:            ));\n353:        }\n354:        let raw = unsafe {\n355:            OpenThread(\n356:                THREAD_GET_CONTEXT | THREAD_SUSPEND_RESUME | THREAD_QUERY_INFORMATION,\n357:                0,\n358:                tid,\n359:            )\n360:        };\n361:        if raw.is_null() {\n362:            return Err(io::Error::last_os_error());\n363:        }\n364:        let handle = Handle(raw);\n365:        if unsafe { GetProcessIdOfThread(raw) } != unsafe { GetCurrentProcessId() } {\n366:            return Err(io::Error::new(\n367:                io::ErrorKind::InvalidInput,\n368:                \"worker TID does not belong to this process\",\n369:            ));\n370:        }\n371:        let mut bytes = vec![0; STACK_BYTES];\n372:        // Commit destination pages before suspending any worker, including when\n373:        // the allocator supplied demand-zero pages.\n374:        for offset in (0..STACK_BYTES).step_by(4096) {\n375:            unsafe {\n376:                ptr::write_volatile(bytes.as_mut_ptr().add(offset), 0);\n377:            }\n378:        }\n379:        Ok(Self {\n380:            tid,\n381:            handle,\n382:            context: AlignedContext(unsafe { zeroed() }),\n383:            bytes,\n384:            start: 0,\n385:            context_valid: false,\n386:            len: 0,\n387:            suspended_us: 0,\n388:            previous_suspend_count: None,\n389:            copy_error: None,\n390:            resume_error: None,\n391:            resume_retry_error: None,\n392:        })\n393:    }\n394:\n395:    fn copy_stack(&mut self, process: HANDLE) {\n396:        self.len = 0;\n397:        self.start = 0;\n398:        self.context_valid = false;\n399:        self.suspended_us = 0;\n400:        self.previous_suspend_count = None;\n401:        self.copy_error = None;\n402:        self.resume_error = None;\n403:        self.resume_retry_error = None;\n404:        self.context.0 = unsafe { zeroed() };\n405:        self.context.0.ContextFlags = CONTEXT_FULL_AMD64;\n406:        if self.tid == unsafe { GetCurrentThreadId() } {\n407:            self.copy_error = Some((\"refusing self-suspend\", 0));\n408:            return;\n409:        }\n410:        let began = Instant::now();\n411:        let previous = unsafe { SuspendThread(self.handle.0) };\n412:        if previous == u32::MAX {\n413:            self.copy_error = Some((\"SuspendThread\", unsafe { GetLastError() }));\n414:            return;\n415:        }\n416:        let mut resume = ResumeGuard {\n417:            handle: self.handle.0,\n418:            armed: true,\n419:        };\n420:        self.previous_suspend_count = Some(previous);\n421:        // From here to resume: fixed-size values, bounded memory copy, kernel\n422:        // APIs and QPC only. No allocation, formatting, logging, or mutexes.\n423:        self.copy_error = unsafe { self.copy_suspended(process) }.err();\n424:        (self.resume_error, self.resume_retry_error) = resume.resume();\n425:        drop(resume);\n426:        self.suspended_us = micros(began);\n427:    }\n428:\n429:    unsafe fn copy_suspended(&mut self, process: HANDLE) -> Result<(), (&'static str, u32)> {\n430:        unsafe {\n431:            if GetThreadContext(self.handle.0, &mut self.context.0) == 0 {\n432:                return Err((\"GetThreadContext\", GetLastError()));\n433:            }\n434:            self.context_valid = true;\n435:            self.start = self.context.0.Rsp;\n436:            let mut region: MEMORY_BASIC_INFORMATION = zeroed();\n437:            if VirtualQuery(\n438:                self.start as *const c_void,\n439:                &mut region,\n440:                size_of::<MEMORY_BASIC_INFORMATION>(),\n441:            ) == 0\n442:            {\n443:                return Err((\"VirtualQuery(stack)\", GetLastError()));\n444:            }\n445:            if region.State != MEM_COMMIT || region.Protect & (PAGE_GUARD | PAGE_NOACCESS) != 0 {\n446:                return Err((\"stack is not committed readable memory\", 0));\n447:            }\n448:            let Some(end) = (region.BaseAddress as usize).checked_add(region.RegionSize) else {\n449:                return Err((\"stack region address overflow\", 0));\n450:            };\n451:            let Some(length) = end.checked_sub(self.start as usize) else {\n452:                return Err((\"invalid stack extent\", 0));\n453:            };\n454:            if length == 0 || length > self.bytes.len() {\n455:                return Err((\"stack exceeds preallocated copy limit\", 0));\n456:            }\n457:            let mut read = 0;\n458:            if ReadProcessMemory(\n459:                process,\n460:                self.start as *const c_void,\n461:                self.bytes.as_mut_ptr().cast(),\n462:                length,\n463:                &mut read,\n464:            ) == 0\n465:            {\n466:                return Err((\"ReadProcessMemory(stack)\", GetLastError()));\n467:            }\n468:            if read != length {\n469:                return Err((\"partial stack copy\", 0));\n470:            }\n471:            self.len = length;\n472:            Ok(())\n473:        }\n474:    }\n475:\n476:    fn symbolize(&mut self, process: HANDLE) -> Value {\n477:        let mut errors = Vec::new();\n478:        if let Some((call, code)) = self.copy_error {\n479:            errors.push(format!(\"{call}: Win32 {code}\"));\n480:        }\n481:        if let Some(code) = self.resume_error {\n482:            errors.push(format!(\"ResumeThread: Win32 {code}; guard retried\"));\n483:        }\n484:        if let Some(code) = self.resume_retry_error {\n485:            errors.push(format!(\n486:                \"ResumeThread retry: Win32 {code}; worker may remain suspended; capture is unsafe\"\n487:            ));\n488:        }\n489:        if self.previous_suspend_count.is_some_and(|count| count != 0) {\n490:            errors.push(\"worker was already suspended; original count preserved\".into());\n491:        }\n492:        let mut frames = Vec::new();\n493:        let mut raw_pcs = Vec::new();\n494:        if self.len != 0 {\n495:            self.walk(process, &mut frames, &mut raw_pcs, &mut errors);\n496:        }\n497:        let activity = if errors.is_empty() && is_tokio_idle(&frames) {\n498:            \"idle\"\n499:        } else {\n500:            \"unknown\"\n501:        };\n502:        json!({\n503:            \"tid\": self.tid,\n504:            \"activity\": activity,\n505:            \"op_id\": null,\n506:            \"frames\": frames,\n507:            \"raw_pcs\": raw_pcs,\n508:            \"raw_registers\": if self.context_valid {\n509:                Some(json!({\n510:                    \"rip\": format!(\"0x{:016x}\", self.context.0.Rip),\n511:                    \"rsp\": format!(\"0x{:016x}\", self.context.0.Rsp),\n512:                    \"rbp\": format!(\"0x{:016x}\", self.context.0.Rbp)\n513:                }))\n514:            } else {\n515:                None\n516:            },\n517:            \"progress_counter\": null,\n518:            \"error\": if errors.is_empty() { None } else { Some(errors.join(\"; \")) },\n519:            \"suspend_duration_us\": self.suspended_us,\n520:            \"resume_confirmed\": self.previous_suspend_count.map(|_| self.resume_retry_error.is_none()),\n521:            \"previous_suspend_count\": self.previous_suspend_count,\n522:            \"copied_stack_bytes\": self.len\n523:        })\n524:    }\n525:\n526:    fn walk(\n527:        &mut self,\n528:        process: HANDLE,\n529:        frames: &mut Vec<String>,\n530:        pcs: &mut Vec<String>,\n531:        errors: &mut Vec<String>,\n532:    ) {\n533:        let view = StackView {\n534:            start: self.start,\n535:            len: self.len,\n536:            bytes: self.bytes.as_ptr(),\n537:        };\n538:        let _view = ReadViewGuard::new(&view);\n539:        let captured_pc = self.context.0.Rip;\n540:        // StackWalk64 mutates its context; retain the captured registers.\n541:        let mut context = AlignedContext(self.context.0);\n542:        let mut frame: STACKFRAME64 = unsafe { zeroed() };\n543:        frame.AddrPC.Offset = self.context.0.Rip;\n544:        frame.AddrStack.Offset = self.context.0.Rsp;\n545:        frame.AddrFrame.Offset = self.context.0.Rbp;\n546:        frame.AddrPC.Mode = AddrModeFlat;\n547:        frame.AddrStack.Mode = AddrModeFlat;\n548:        frame.AddrFrame.Mode = AddrModeFlat;\n549:        let mut previous = (0, 0);\n550:        for index in 0..MAX_FRAMES {\n551:            unsafe {\n552:                SetLastError(0);\n553:            }\n554:            let walked = unsafe {\n555:                StackWalk64(\n556:                    IMAGE_FILE_MACHINE_AMD64,\n557:                    process,\n558:                    self.handle.0,\n559:                    &mut frame,\n560:                    (&mut context.0 as *mut CONTEXT).cast(),\n561:                    Some(read_snapshot),\n562:                    Some(SymFunctionTableAccess64),\n563:                    Some(SymGetModuleBase64),\n564:                    None,\n565:                )\n566:            };\n567:            if walked == 0 {\n568:                let code = unsafe { GetLastError() };\n569:                errors.push(format!(\n570:                    \"StackWalk64 stopped before a terminal frame: Win32 {code}\"\n571:                ));\n572:                if index == 0 {\n573:                    // Preserve the real captured PC even when the first unwind fails.\n574:                    pcs.push(format!(\"0x{captured_pc:016x}\"));\n575:                    frames.push(symbolize_pc(process, captured_pc, errors));\n576:                }\n577:                return;\n578:            }\n579:            let pc = frame.AddrPC.Offset;\n580:            if pc == 0 {\n581:                return;\n582:            }\n583:            let position = (pc, frame.AddrStack.Offset);\n584:            if position == previous {\n585:                errors.push(\"StackWalk64 made no progress\".into());\n586:                return;\n587:            }\n588:            previous = position;\n589:            pcs.push(format!(\"0x{pc:016x}\"));\n590:            frames.push(symbolize_pc(process, pc, errors));\n591:            if frame.AddrReturn.Offset == 0 {\n592:                return;\n593:            }\n594:        }\n595:        errors.push(\"stack frame limit reached\".into());\n596:    }\n597:}\n…\n706:fn symbolize_pc(process: HANDLE, pc: u64, errors: &mut Vec<String>) -> String {\n707:    let mut package: SYMBOL_INFO_PACKAGE = unsafe { zeroed() };\n708:    package.si.SizeOfStruct = size_of::<SYMBOL_INFO>() as u32;\n709:    package.si.MaxNameLen = 2000;\n710:    let mut displacement = 0;\n711:    if unsafe { SymFromAddr(process, pc, &mut displacement, &mut package.si) } == 0 {\n712:        let code = unsafe { GetLastError() };\n713:        errors.push(format!(\"SymFromAddr(0x{pc:x}): Win32 {code}\"));\n714:        return format!(\"0x{pc:016x} (symbol unavailable)\");\n715:    }\n716:    if package.si.NameLen >= 1999 {\n717:        errors.push(format!(\"symbol name truncated at 0x{pc:x}\"));\n718:    }\n719:    // SYMBOL_INFO's variable-length name continues into the package's storage.\n720:    let name = unsafe {\n721:        std::slice::from_raw_parts(\n722:            package.si.Name.as_ptr().cast::<u8>(),\n723:            (package.si.NameLen as usize).min(1999),\n724:        )\n725:    };\n726:    let mut module: IMAGEHLP_MODULE64 = unsafe { zeroed() };\n727:    module.SizeOfStruct = size_of::<IMAGEHLP_MODULE64>() as u32;\n728:    let module_name = if unsafe { SymGetModuleInfo64(process, pc, &mut module) } != 0 {\n729:        if module.SymType != SymPdb || module.PdbUnmatched != 0 || module.DbgUnmatched != 0 {\n730:            errors.push(format!(\"matched PDB unavailable at 0x{pc:x}\"));\n731:        }\n732:        let bytes: Vec<u8> = module\n733:            .ModuleName\n734:            .iter()\n735:            .take_while(|&&c| c != 0)\n736:            .map(|&c| c as u8)\n737:            .collect();\n738:        String::from_utf8_lossy(&bytes).into_owned()\n739:    } else {\n740:        let code = unsafe { GetLastError() };\n741:        errors.push(format!(\"SymGetModuleInfo64(0x{pc:x}): Win32 {code}\"));\n742:        format!(\"module@0x{:x}\", package.si.ModBase)\n743:    };\n744:    format!(\n745:        \"{module_name}!{}+0x{displacement:x} [0x{pc:016x}]\",\n746:        String::from_utf8_lossy(name)\n747:    )\n748:}\n749:\n750:fn frame_symbol(frame: &str) -> &str {\n751:    let symbol = frame.split_once('!').map_or(frame, |(_, symbol)| symbol);\n752:    symbol.split_once(\"+0x\").map_or(symbol, |(name, _)| name)\n753:}"}],"details":{"displayContent":{"text":"use std::{\n    cell::Cell,\n    ffi::c_void,\n    io,\n    mem::{size_of, zeroed},\n    os::windows::ffi::OsStrExt,\n    ptr::{self, null_mut},\n    sync::Mutex,\n    time::Instant,\n};\nuse windows_sys::Win32::{\n    Foundation::{\n        CloseHandle, DuplicateHandle, GetLastError, SetLastError, DUPLICATE_SAME_ACCESS, HANDLE,\n    },\n    System::{\n        Diagnostics::Debug::{\n            AddrModeFlat, GetThreadContext, ReadProcessMemory, StackWalk64, SymCleanup,\n            SymFromAddr, SymFunctionTableAccess64, SymGetModuleBase64, SymGetModuleInfo64,\n            SymGetOptions, SymInitializeW, SymPdb, SymRegisterCallback64, SymSetOptions,\n            CBA_READ_MEMORY, CONTEXT, CONTEXT_FULL_AMD64, IMAGEHLP_CBA_READ_MEMORY,\n            IMAGEHLP_MODULE64, STACKFRAME64, SYMBOL_INFO, SYMBOL_INFO_PACKAGE,\n            SYMOPT_DISABLE_SYMSRV_AUTODETECT, SYMOPT_EXACT_SYMBOLS, SYMOPT_FAIL_CRITICAL_ERRORS,\n            SYMOPT_IGNORE_CVREC, SYMOPT_IGNORE_NT_SYMPATH, SYMOPT_NO_PROMPTS, SYMOPT_UNDNAME,\n        },\n        Memory::{\n            VirtualQuery, MEMORY_BASIC_INFORMATION, MEM_COMMIT, MEM_IMAGE, PAGE_GUARD,\n            PAGE_NOACCESS,\n        },\n        Threading::{\n            GetCurrentProcess, GetCurrentProcessId, GetCurrentThreadId, GetProcessIdOfThread,\n            OpenThread, ResumeThread, SuspendThread, THREAD_GET_CONTEXT, THREAD_QUERY_INFORMATION,\n            THREAD_SUSPEND_RESUME,\n        },\n    },\n};\n…\n#[link(name = \"kernel32\")]\nextern \"system\" {\n    fn GetStdHandle(which: u32) -> HANDLE;\n    fn WriteFile(\n        file: HANDLE,\n        bytes: *const u8,\n        length: u32,\n        written: *mut u32,\n        overlapped: *mut c_void,\n    ) -> i32;\n}\n…\nstruct Worker {\n    tid: u32,\n    handle: Handle,\n    context: AlignedContext,\n    bytes: Vec<u8>,\n    start: u64,\n    context_valid: bool,\n    len: usize,\n    suspended_us: u64,\n    previous_suspend_count: Option<u32>,\n    copy_error: Option<(&'static str, u32)>,\n    resume_error: Option<u32>,\n    resume_retry_error: Option<u32>,\n}\n\npub(crate) struct StackSampler {\n    workers: [Worker; 2],\n    process: Handle,\n    initialization_us: u64,\n    first_capture: bool,\n    fatal_capture: Option<Value>,\n    disarmed: bool,\n}\n\nimpl StackSampler {\n    pub(crate) fn new(worker_tids: [u32; 2]) -> io::Result<Self> {\n        let started = Instant::now();\n        if worker_tids.contains(&0) || worker_tids[0] == worker_tids[1] {\n            return Err(io::Error::new(\n                io::ErrorKind::InvalidInput,\n                \"two distinct nonzero worker TIDs are required\",\n            ));\n        }\n        let workers = [Worker::new(worker_tids[0])?, Worker::new(worker_tids[1])?];\n        let mut process = null_mut();\n        unsafe {\n            let current = GetCurrentProcess();\n            if DuplicateHandle(\n                current,\n                current,\n                current,\n                &mut process,\n                0,\n                0,\n                DUPLICATE_SAME_ACCESS,\n            ) == 0\n            {\n                return Err(io::Error::last_os_error());\n            }\n        }\n        let process = Handle(process);\n        // A unique owned handle gives this sampler its own DbgHelp symbol session.\n        // An explicit search path and ignored CodeView path avoid inherited\n        // symbol-server and build-machine PDB locations. Eager loading is timed\n        // as initialization, not hidden inside the first stale capture.\n        let exe = std::env::current_exe()?;\n        let directory = exe\n            .parent()\n            .ok_or_else(|| io::Error::other(\"executable has no directory\"))?;\n        let path: Vec<u16> = directory.as_os_str().encode_wide().chain(Some(0)).collect();\n        let _lock = DBGHELP.lock().unwrap_or_else(|e| e.into_inner());\n        let _options = SymbolOptions::new();\n        unsafe {\n            if SymInitializeW(process.0, path.as_ptr(), 1) == 0 {\n                return Err(io::Error::last_os_error());\n            }\n            if SymRegisterCallback64(process.0, Some(symbol_callback), 0) == 0 {\n                let error = GetLastError();\n                SymCleanup(process.0);\n                return Err(io::Error::from_raw_os_error(error as i32));\n            }\n        }\n        let fatal_capture = json!({\n            \"fatal_resume_failure\": true,\n            \"failed_tid\": 0,\n            \"resume_error\": 0,\n            \"resume_retry_error\": 0,\n            \"capture_duration_ms\": 0,\n            \"workers\": worker_tids.map(|tid| json!({\n                \"tid\": tid,\n                \"activity\": \"unknown\",\n                \"op_id\": null,\n                \"frames\": [],\n                \"progress_counter\": null,\n                \"error\": \"paired capture abandoned: worker resume unconfirmed\"\n            }))\n        });\n        Ok(Self {\n            workers,\n            process,\n            initialization_us: micros(started),\n            first_capture: true,\n            fatal_capture: Some(fatal_capture),\n            disarmed: false,\n        })\n    }\n\n    pub(crate) fn capture(&mut self) -> Value {\n        if self.disarmed {\n            return Value::Null;\n        }\n        let started = Instant::now();\n        // No DbgHelp lock is held here: a suspended worker may itself own it.\n        for worker in &mut self.workers {\n            worker.copy_stack(self.process.0);\n            if let Some(retry_error) = worker.resume_retry_error {\n                self.disarmed = true;\n                // No symbolization, Rust locks, allocation OR deallocation\n                // after an unconfirmed resume. All keys already exist.\n                let mut fatal = self.fatal_capture.take().unwrap_or(Value::Null);\n                if let Some(value) = fatal.get_mut(\"failed_tid\") {\n                    *value = Value::from(worker.tid);\n                }\n                if let Some(value) = fatal.get_mut(\"resume_error\") {\n                    *value = Value::from(worker.resume_error.unwrap_or(0));\n                }\n                if let Some(value) = fatal.get_mut(\"resume_retry_error\") {\n                    *value = Value::from(retry_error);\n                }\n                emit_resume_failure();\n                if let Some(value) = fatal.get_mut(\"capture_duration_ms\") {\n                    *value = Value::from(micros(started).div_ceil(1000));\n                }\n                return fatal;\n            }\n        }\n        let copy_duration_us = micros(started);\n        let lock_started = Instant::now();\n        let lock = DBGHELP.lock().unwrap_or_else(|e| e.into_inner());\n        let symbol_lock_wait_us = micros(lock_started);\n        let options = SymbolOptions::new();\n        let symbol_started = Instant::now();\n        let workers: Vec<Value> = self\n            .workers\n            .iter_mut()\n            .map(|worker| worker.symbolize(self.process.0))\n            .collect();\n        let symbolization_us = micros(symbol_started);\n        drop(options);\n        drop(lock);\n        let suspend_duration_us: u64 = self.workers.iter().map(|w| w.suspended_us).sum();\n        let first_capture = self.first_capture;\n        self.first_capture = false;\n        let mut result = json!({\n            \"workers\": workers,\n            \"capture_duration_ms\": started.elapsed().as_millis() as u64,\n            \"perturbation\": {\n                \"backend\": \"windows-x64-copied-stack\",\n                \"suspend_duration_us\": suspend_duration_us,\n                \"suspend_duration_is_upper_bound\": self.workers.iter().all(|w| {\n                    w.resume_retry_error.is_none()\n                        && w.previous_suspend_count.is_none_or(|count| count == 0)\n                }),\n                \"stack_copy_phase_us\": copy_duration_us,\n                \"symbol_lock_wait_us\": symbol_lock_wait_us,\n                \"symbolization_us\": symbolization_us,\n                \"initialization_us\": self.initialization_us,\n                \"first_capture\": first_capture,\n                \"captures_are_sequential\": true,\n                \"stack_buffer_bytes_per_worker\": STACK_BYTES,\n                \"frame_limit\": MAX_FRAMES\n            }\n        });\n        // Include construction of the evidence value in the measured capture.\n        result[\"capture_duration_ms\"] = json!(micros(started).div_ceil(1000));\n        result\n    }\n}\n…\nimpl SymbolOptions {\n    fn new() -> Self {\n        unsafe {\n            let old = SymGetOptions();\n            SymSetOptions(\n                SYMOPT_UNDNAME\n                    | SYMOPT_FAIL_CRITICAL_ERRORS\n                    | SYMOPT_NO_PROMPTS\n                    | SYMOPT_IGNORE_NT_SYMPATH\n                    | SYMOPT_IGNORE_CVREC\n                    | SYMOPT_DISABLE_SYMSRV_AUTODETECT\n                    | SYMOPT_EXACT_SYMBOLS,\n            );\n            Self(old)\n        }\n    }\n}\nimpl Drop for SymbolOptions {\n    fn drop(&mut self) {\n        unsafe {\n            SymSetOptions(self.0);\n        }\n    }\n}\n…\nimpl Worker {\n    fn new(tid: u32) -> io::Result<Self> {\n        if tid == unsafe { GetCurrentThreadId() } {\n            return Err(io::Error::new(\n                io::ErrorKind::InvalidInput,\n                \"stack sampler cannot suspend its own thread\",\n            ));\n        }\n        let raw = unsafe {\n            OpenThread(\n                THREAD_GET_CONTEXT | THREAD_SUSPEND_RESUME | THREAD_QUERY_INFORMATION,\n                0,\n                tid,\n            )\n        };\n        if raw.is_null() {\n            return Err(io::Error::last_os_error());\n        }\n        let handle = Handle(raw);\n        if unsafe { GetProcessIdOfThread(raw) } != unsafe { GetCurrentProcessId() } {\n            return Err(io::Error::new(\n                io::ErrorKind::InvalidInput,\n                \"worker TID does not belong to this process\",\n            ));\n        }\n        let mut bytes = vec![0; STACK_BYTES];\n        // Commit destination pages before suspending any worker, including when\n        // the allocator supplied demand-zero pages.\n        for offset in (0..STACK_BYTES).step_by(4096) {\n            unsafe {\n                ptr::write_volatile(bytes.as_mut_ptr().add(offset), 0);\n            }\n        }\n        Ok(Self {\n            tid,\n            handle,\n            context: AlignedContext(unsafe { zeroed() }),\n            bytes,\n            start: 0,\n            context_valid: false,\n            len: 0,\n            suspended_us: 0,\n            previous_suspend_count: None,\n            copy_error: None,\n            resume_error: None,\n            resume_retry_error: None,\n        })\n    }\n\n    fn copy_stack(&mut self, process: HANDLE) {\n        self.len = 0;\n        self.start = 0;\n        self.context_valid = false;\n        self.suspended_us = 0;\n        self.previous_suspend_count = None;\n        self.copy_error = None;\n        self.resume_error = None;\n        self.resume_retry_error = None;\n        self.context.0 = unsafe { zeroed() };\n        self.context.0.ContextFlags = CONTEXT_FULL_AMD64;\n        if self.tid == unsafe { GetCurrentThreadId() } {\n            self.copy_error = Some((\"refusing self-suspend\", 0));\n            return;\n        }\n        let began = Instant::now();\n        let previous = unsafe { SuspendThread(self.handle.0) };\n        if previous == u32::MAX {\n            self.copy_error = Some((\"SuspendThread\", unsafe { GetLastError() }));\n            return;\n        }\n        let mut resume = ResumeGuard {\n            handle: self.handle.0,\n            armed: true,\n        };\n        self.previous_suspend_count = Some(previous);\n        // From here to resume: fixed-size values, bounded memory copy, kernel\n        // APIs and QPC only. No allocation, formatting, logging, or mutexes.\n        self.copy_error = unsafe { self.copy_suspended(process) }.err();\n        (self.resume_error, self.resume_retry_error) = resume.resume();\n        drop(resume);\n        self.suspended_us = micros(began);\n    }\n\n    unsafe fn copy_suspended(&mut self, process: HANDLE) -> Result<(), (&'static str, u32)> {\n        unsafe {\n            if GetThreadContext(self.handle.0, &mut self.context.0) == 0 {\n                return Err((\"GetThreadContext\", GetLastError()));\n            }\n            self.context_valid = true;\n            self.start = self.context.0.Rsp;\n            let mut region: MEMORY_BASIC_INFORMATION = zeroed();\n            if VirtualQuery(\n                self.start as *const c_void,\n                &mut region,\n                size_of::<MEMORY_BASIC_INFORMATION>(),\n            ) == 0\n            {\n                return Err((\"VirtualQuery(stack)\", GetLastError()));\n            }\n            if region.State != MEM_COMMIT || region.Protect & (PAGE_GUARD | PAGE_NOACCESS) != 0 {\n                return Err((\"stack is not committed readable memory\", 0));\n            }\n            let Some(end) = (region.BaseAddress as usize).checked_add(region.RegionSize) else {\n                return Err((\"stack region address overflow\", 0));\n            };\n            let Some(length) = end.checked_sub(self.start as usize) else {\n                return Err((\"invalid stack extent\", 0));\n            };\n            if length == 0 || length > self.bytes.len() {\n                return Err((\"stack exceeds preallocated copy limit\", 0));\n            }\n            let mut read = 0;\n            if ReadProcessMemory(\n                process,\n                self.start as *const c_void,\n                self.bytes.as_mut_ptr().cast(),\n                length,\n                &mut read,\n            ) == 0\n            {\n                return Err((\"ReadProcessMemory(stack)\", GetLastError()));\n            }\n            if read != length {\n                return Err((\"partial stack copy\", 0));\n            }\n            self.len = length;\n            Ok(())\n        }\n    }\n\n    fn symbolize(&mut self, process: HANDLE) -> Value {\n        let mut errors = Vec::new();\n        if let Some((call, code)) = self.copy_error {\n            errors.push(format!(\"{call}: Win32 {code}\"));\n        }\n        if let Some(code) = self.resume_error {\n            errors.push(format!(\"ResumeThread: Win32 {code}; guard retried\"));\n        }\n        if let Some(code) = self.resume_retry_error {\n            errors.push(format!(\n                \"ResumeThread retry: Win32 {code}; worker may remain suspended; capture is unsafe\"\n            ));\n        }\n        if self.previous_suspend_count.is_some_and(|count| count != 0) {\n            errors.push(\"worker was already suspended; original count preserved\".into());\n        }\n        let mut frames = Vec::new();\n        let mut raw_pcs = Vec::new();\n        if self.len != 0 {\n            self.walk(process, &mut frames, &mut raw_pcs, &mut errors);\n        }\n        let activity = if errors.is_empty() && is_tokio_idle(&frames) {\n            \"idle\"\n        } else {\n            \"unknown\"\n        };\n        json!({\n            \"tid\": self.tid,\n            \"activity\": activity,\n            \"op_id\": null,\n            \"frames\": frames,\n            \"raw_pcs\": raw_pcs,\n            \"raw_registers\": if self.context_valid {\n                Some(json!({\n                    \"rip\": format!(\"0x{:016x}\", self.context.0.Rip),\n                    \"rsp\": format!(\"0x{:016x}\", self.context.0.Rsp),\n                    \"rbp\": format!(\"0x{:016x}\", self.context.0.Rbp)\n                }))\n            } else {\n                None\n            },\n            \"progress_counter\": null,\n            \"error\": if errors.is_empty() { None } else { Some(errors.join(\"; \")) },\n            \"suspend_duration_us\": self.suspended_us,\n            \"resume_confirmed\": self.previous_suspend_count.map(|_| self.resume_retry_error.is_none()),\n            \"previous_suspend_count\": self.previous_suspend_count,\n            \"copied_stack_bytes\": self.len\n        })\n    }\n\n    fn walk(\n        &mut self,\n        process: HANDLE,\n        frames: &mut Vec<String>,\n        pcs: &mut Vec<String>,\n        errors: &mut Vec<String>,\n    ) {\n        let view = StackView {\n            start: self.start,\n            len: self.len,\n            bytes: self.bytes.as_ptr(),\n        };\n        let _view = ReadViewGuard::new(&view);\n        let captured_pc = self.context.0.Rip;\n        // StackWalk64 mutates its context; retain the captured registers.\n        let mut context = AlignedContext(self.context.0);\n        let mut frame: STACKFRAME64 = unsafe { zeroed() };\n        frame.AddrPC.Offset = self.context.0.Rip;\n        frame.AddrStack.Offset = self.context.0.Rsp;\n        frame.AddrFrame.Offset = self.context.0.Rbp;\n        frame.AddrPC.Mode = AddrModeFlat;\n        frame.AddrStack.Mode = AddrModeFlat;\n        frame.AddrFrame.Mode = AddrModeFlat;\n        let mut previous = (0, 0);\n        for index in 0..MAX_FRAMES {\n            unsafe {\n                SetLastError(0);\n            }\n            let walked = unsafe {\n                StackWalk64(\n                    IMAGE_FILE_MACHINE_AMD64,\n                    process,\n                    self.handle.0,\n                    &mut frame,\n                    (&mut context.0 as *mut CONTEXT).cast(),\n                    Some(read_snapshot),\n                    Some(SymFunctionTableAccess64),\n                    Some(SymGetModuleBase64),\n                    None,\n                )\n            };\n            if walked == 0 {\n                let code = unsafe { GetLastError() };\n                errors.push(format!(\n                    \"StackWalk64 stopped before a terminal frame: Win32 {code}\"\n                ));\n                if index == 0 {\n                    // Preserve the real captured PC even when the first unwind fails.\n                    pcs.push(format!(\"0x{captured_pc:016x}\"));\n                    frames.push(symbolize_pc(process, captured_pc, errors));\n                }\n                return;\n            }\n            let pc = frame.AddrPC.Offset;\n            if pc == 0 {\n                return;\n            }\n            let position = (pc, frame.AddrStack.Offset);\n            if position == previous {\n                errors.push(\"StackWalk64 made no progress\".into());\n                return;\n            }\n            previous = position;\n            pcs.push(format!(\"0x{pc:016x}\"));\n            frames.push(symbolize_pc(process, pc, errors));\n            if frame.AddrReturn.Offset == 0 {\n                return;\n            }\n        }\n        errors.push(\"stack frame limit reached\".into());\n    }\n}\n…\nfn symbolize_pc(process: HANDLE, pc: u64, errors: &mut Vec<String>) -> String {\n    let mut package: SYMBOL_INFO_PACKAGE = unsafe { zeroed() };\n    package.si.SizeOfStruct = size_of::<SYMBOL_INFO>() as u32;\n    package.si.MaxNameLen = 2000;\n    let mut displacement = 0;\n    if unsafe { SymFromAddr(process, pc, &mut displacement, &mut package.si) } == 0 {\n        let code = unsafe { GetLastError() };\n        errors.push(format!(\"SymFromAddr(0x{pc:x}): Win32 {code}\"));\n        return format!(\"0x{pc:016x} (symbol unavailable)\");\n    }\n    if package.si.NameLen >= 1999 {\n        errors.push(format!(\"symbol name truncated at 0x{pc:x}\"));\n    }\n    // SYMBOL_INFO's variable-length name continues into the package's storage.\n    let name = unsafe {\n        std::slice::from_raw_parts(\n            package.si.Name.as_ptr().cast::<u8>(),\n            (package.si.NameLen as usize).min(1999),\n        )\n    };\n    let mut module: IMAGEHLP_MODULE64 = unsafe { zeroed() };\n    module.SizeOfStruct = size_of::<IMAGEHLP_MODULE64>() as u32;\n    let module_name = if unsafe { SymGetModuleInfo64(process, pc, &mut module) } != 0 {\n        if module.SymType != SymPdb || module.PdbUnmatched != 0 || module.DbgUnmatched != 0 {\n            errors.push(format!(\"matched PDB unavailable at 0x{pc:x}\"));\n        }\n        let bytes: Vec<u8> = module\n            .ModuleName\n            .iter()\n            .take_while(|&&c| c != 0)\n            .map(|&c| c as u8)\n            .collect();\n        String::from_utf8_lossy(&bytes).into_owned()\n    } else {\n        let code = unsafe { GetLastError() };\n        errors.push(format!(\"SymGetModuleInfo64(0x{pc:x}): Win32 {code}\"));\n        format!(\"module@0x{:x}\", package.si.ModBase)\n    };\n    format!(\n        \"{module_name}!{}+0x{displacement:x} [0x{pc:016x}]\",\n        String::from_utf8_lossy(name)\n    )\n}\n\nfn frame_symbol(frame: &str) -> &str {\n    let symbol = frame.split_once('!').map_or(frame, |(_, symbol)| symbol);\n    symbol.split_once(\"+0x\").map_or(symbol, |(name, _)| name)\n}","startLine":9,"lineNumbers":[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,null,47,48,49,50,51,52,53,54,55,56,57,null,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,null,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,null,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,null,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]},"fileSize":30880,"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\302-net-worker-stamps\\crates\\spt-net-diag\\src\\stacks\\windows.rs"}}},"isError":false,"timestamp":1789543882238}}
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{"type":"message","id":"d0f09eb4","parentId":"c27539ce","timestamp":"2026-09-16T07:31:22.383Z","message":{"role":"toolResult","toolCallId":"call_BxDymGaW5O7nvr16S3w73WcH|fc_0087a3f074a9af55016aaa45ca18a087d2a334ff3b8d7b84e2","toolName":"read","content":[{"type":"text","text":"[.worktrees/302-net-worker-stamps/CONTEXT.md#54AA]\n1:# spt-core\n2:\n3:**Platform scope:** Windows + Linux for v1. macOS is out (no test machine available) but kept structurally easy — `portable-pty` and Iroh both support it, so macOS is a later test/CI-budget decision, not a re-architecture.\n4:\n5:**Legacy migration:** it should be possible — ideally *automatic* — for a user to migrate an existing `claude_skill_owl` (modern SPT) install to spt-core (identity, agents, tracked Psyche context). Exact mechanism deferred to design; the commitment is that migration is a first-class supported path, not a manual rebuild.\n6:\n7:Harness-independent core for the SPT ecosystem. Provides inter-agent messaging, live-agent lifecycle, terminal wrapping, self-update, and networking primitives — as both a Rust library workspace and a canonical reference binary. Designed so any agent runtime (Claude Code, Codex, Cursor, headless, future harnesses) can interface with the SPT ecosystem either by shelling out to the binary or by linking the crates directly.\n8:\n9:Successor to `claude_skill_owl` (today's \"modern SPT\"), which is being rebuilt as `spt-core` to untether the system from Claude Code and lift it to a general-purpose agent-ecosystem core.\n10:\n11:## Language\n12:\n13:**spt-core**:\n14:The system. Canonical name. The Rust workspace and the umbrella project.\n15:\n16:**spt.exe / spt** (canonical binary):\n17:The reference binary built from the workspace. Replaces today's `owl.exe`. Most external integrations (plugins, hooks, scripts in other harnesses) interact with spt-core *only* through this binary — fire-and-forget subcommands, long-running listeners under a parent harness's process supervisor, etc. Unix builds use the same name without `.exe`.\n18:\n19:**library workspace**:\n20:The set of Rust crates that compose spt-core. Consumers that want a deeper integration than shelling out to `spt.exe` link these crates directly. The reference binary is itself a consumer of the workspace. The expected non-binary consumers are future first-party services that link Rust directly.\n21:\n22:**spt plugin** (separate downstream project — NOT an spt-core deliverable):\n23:A rebuilt version of today's Claude Code `spt` plugin. It is the **first consumer** built *atop* spt-core and the **acceptance proof** of spt-core v1 (it reaches feature parity with modern SPT while delegating all core functionality to spt-core, primarily via `spt.exe`, with deeper hooks where useful) — but it **lives and builds in its own repository, outside spt-core**. It is a Claude-Code-specific *adapter*: it holds the Claude Code conventions (hooks, slash-commands, skill/plugin layout, `claude` session-invocation). **spt-core itself contains zero Claude Code conventions** — only the harness-agnostic contract the plugin binds to. The only adapter-shaped artifact ever in this repo is a generic mock/test adapter exercising the manifest + `api` contract (PR…\n24:\n25:**Pi** (disambiguation — two meanings, never conflate):\n26:(1) **Pi, the coding agent/harness** (`badlogic/pi-mono`) — a harness example alongside Claude Code and Codex; this is the meaning in user-facing harness lists. (2) **Pi-class node** — Raspberry-Pi-class low-power hardware hosting a Shell-only or headless SPT node; an incidental hardware descriptor, never an explicit product example. Public-facing docs must disambiguate or avoid the bare word.\n27:_Avoid_: bare \"Pi node\" when the harness is meant.\n28:\n29:**spt-daemon** (per-machine supervisor):\n30:The single always-on, one-per-machine logical supervisor. Owns the PTYs for all hosted sessions, the node's network identity + WAN endpoint, the subnet registry, all spools, **all poll-listener logic, and all Psyche/pulse loops** — everything is consolidated here (no separate poll-listener or Psyche-wrapper processes; listeners already touch sessions directly under capsule/idle, and Psyche wrappers already invoke harness binaries directly, so they belong in the one supervisor). Collapses what the sister project planned as a separate `spt-node` daemon into one process — see Networking. The `spt-node` separate-deliverable concept is retired.\n31:\n32:<!-- [doc->REQ-CLI-NODE-VERB-PRIMARY] -->\n33:**`spt node` (the CLI verb) is NOT the retired `spt-node` (the process)** — the two are different kinds of thing and must never be conflated. What is retired above is a separate *process* deliverable: a second daemon alongside `spt-daemon`, which this project collapsed into one supervisor. What `spt node` names is the *CLI verb* an operator types to run, stop, or read the state of that one supervisor on their machine (releases#112) — a vocabulary choice on the command surface, with no second process behind it. `spt daemon` remains a full alias of that verb, subcommand for subcommand, and is documented as deprecated rather than removed: installed OS service units and scheduled-task rungs already carry `spt daemon run`, and renaming a verb does not rewrite art…\n34:\n35:Internally the logical daemon is split into two implementation layers for seamless self-update (see Self-update):\n36:- **broker** (stable \"kernel\") — holds *only* the un-transferable, must-not-die resources: PTY master fds, the spawned harness child processes, and listening network sockets. Minimal, dumb, versioned local IPC. Almost never updates.\n37:- **daemon brain** (\"userspace\") — all logic (routing, registry, pulse/psyche loops, manifest parsing, update orchestration). Restarts freely on update; rehydrates from disk state and re-attaches to the broker's held handles.\n38:\n39:Logical addressing is unchanged — still one per-machine `spt-daemon`; the broker is an internal layer, not separately addressable. There is exactly **one broker per machine** (per `SPT_HOME`) — *not* one per endpoint: a single broker holds every hosted endpoint's resources, and it is present whenever the daemon runs, even with zero endpoints online (the bare-daemon case). It is therefore the always-present per-machine layer, which is why the single-daemon lock + liveness anchor belong to it.\n40:\n41:**in-session relay**:\n42:A thin, stateless `spt.exe` task that exists only in **harness-hosted** sessions (where the agent harness is the parent process and spt cannot reach into its process tree — today's Monitor model). It streams the daemon brain's events into the session's stdout. All *stateful* listener logic lives in the daemon; the relay is a dumb pipe, freely killable and respawnable. **spt-hosted** sessions need no separate harness-owned relay — the daemon owns the PTY and consumes the same poll feed itself. Idle delivery into an spt-hosted PTY goes through an opt-in adapter **translation binary** (`[message-idle-translation-binary]`, ADR-0022): a pure stdin→stdout filter spt-core lifecycle-manages — it reads the `<EVENT>` feed on stdin, emits keystroke-commands (`{key}`/`{…\n43:\n44:### Deliverable shape\n45:\n46:spt-core ships **both** a library workspace and a canonical binary:\n47:\n48:- **Library crates** — the deeper integration path. Used by future first-party services that link Rust directly.\n49:- **`spt.exe` / `spt`** — the canonical binary, built from the workspace. The primary integration path for harness plugins and external tooling, which mostly fire it as a subprocess at various surfaces (one-shot commands, poll listeners under a Monitor-tool-equivalent, hook tap-ins).\n50:\n51:Both surfaces are first-class. Wire-protocol parity between them is a versioning concern from day one (a non-Rust client speaking to `spt.exe` and a Rust client linking the crates must see the same observable behavior).\n52:\n53:## Runtime model\n54:\n55:spt-core is harness-independent: it does not know about Claude Code, Codex, Cursor, or any other agent runtime. All harness-specific surfaces (how to invoke an agent session, fetch conversation history for an echo commune, detect activity/idleness, etc.) are abstracted behind a runtime layer that consumers supply.\n56:\n57:**AgentRuntime** (Rust trait, implementation detail):\n58:The internal Rust abstraction over a harness. Anything spt-core needs to do *to* or *with* an agent goes through this trait. Most consumers never see it directly — they configure spt-core via a manifest, and spt-core's default `ManifestRuntime` implementation executes against the manifest.\n59:\n60:**harness contract** (umbrella term):\n61:The full surface a harness binds to in order to participate in the spt-core ecosystem. Has two equally-important halves: the **runtime manifest** (outbound — how spt-core drives the harness) and the **subcommand surface** (inbound — how the harness reports events back to spt-core). A harness implementation is one TOML/YAML manifest + a binding from the harness's own hook system into `spt.exe <subcommand>` calls.\n62:\n63:**runtime manifest** (outbound half of the harness contract):\n64:A declarative configuration file (TOML/YAML — schema TBD) that tells spt-core how to drive a specific harness. Declares: how to invoke an agent session, how to look up conversation history for an echo commune, how to spawn/resume a Psyche-equivalent, which binary or command implements each harness-side operation, and which endpoint types this harness supports. spt-core is the actor for each of these; the manifest tells it what to do.\n65:\n66:Example shape (illustrative): `spt.exe --manifest spt-plugin.toml live start <id>`. A harness like the planned spt plugin wraps this invocation into the `$LIVE` / `$OWL` environment variables it injects into its sessions, so harness-internal callers continue to invoke `$LIVE` / `$OWL` unchanged.\n67:\n68:**subcommand surface** (inbound half of the harness contract):\n69:The stable set of `spt.exe <subcommand>` entry points that harnesses bind their own hook systems to. When the harness's runtime emits an event (subagent started, tool just invoked, user typed `/clear`, session crashed), the harness's hook fires a short-lived `spt.exe <subcommand>` invocation that mutates on-disk SPT state (perch registry, spool, etc.). spt-core publishes this surface; harnesses author the bindings.\n70:\n71:**Naming convention:** these inbound, machinery-facing commands are prefixed **`api `/`api-`** (e.g. `spt api bind`, `spt api state`) to distinguish them from the agent-facing verbs an agent invokes directly (`send`, `ring`, `ready`, …). The `api` namespace is the harness/adapter commands-API; the unprefixed namespace is the agent surface.\n72:\n73:Together: manifest + subcommand surface = the complete harness API. A sidecar-style long-running adapter process speaking a wire protocol is explicitly **deferred** as a possible v2 alternative for harnesses that outgrow the manifest+hooks shape (e.g. need streaming or in-memory state across events). Not built day-one.\n74:\n75:**adapter manifest header** (`adapter_name` + version compat):\n76:Every manifest declares a unified **`adapter_name`** (e.g. `claude-spt`), carried on every `api` invocation too. It is load-bearing: one daemon hosts endpoints from multiple adapters, so it resolves an endpoint's manifest + seams by `adapter_name`; adapter-update ripples target by it; capability/manifest lookup and telemetry key on it. The header also declares the adapter's own version and a **`min_spt_core_version`** — the minimum spt-core the adapter requires. This declaration must be **readable before an adapter update is applied** (it lives in the manifest header / a small metadata file fetched first), so spt-core can verify compatibility / expected supported features *before* committing the update. If spt-core is below the adapter's `min_spt_core_versio…\n77:\n78:<!-- [doc->REQ-MANIFEST-2] -->\n79:**adapter profile** (ratified 2026-06-11, Gateway grill; future spt-core milestone — first beneficiaries `spt-claude-code` and the usbip shell):\n80:A named **sparse overlay** on its parent adapter manifest. Merge semantics are **leaf-replace**: a profile key replaces the whole value at that path (arrays included — never spliced or appended). The merged result is a complete manifest, and the profile behaves as a distinct adapter option everywhere: canonical addressing is the composite **`<adapter>:<profile>`** (`claude-spt:work`, `spt-usbip-driver:hid-only`) in every place a bare `adapter_name` rides today (perch `info.json`, capability resolution, `api` invocations, `spt adapter list`); the bare name = the parent unmodified. **Two sources, one semantics:** a **shipped profile** is declared inside the parent manifest by the adapter dev and updates as one unit with it; a **local profile** is a node-local …\n81:_Avoid_: \"manifest fork\", \"child adapter\", per-profile versioning.\n82:\n83:**adapter strings** (ratified 2026-06-11, Gateway grill):\n84:<!-- [doc->REQ-MANIFEST-3] -->\n85:A `[strings]` manifest section — an adapter-authored JSON/TOML KV tree, dot-path-readable by anything on the node via `spt adapter get-string <adapter-option> <key.path>` (e.g. a harness hook fetching per-profile `additionalContext` — one hook script serves every profile, only the data differs). Resolution rides the **same leaf-replace profile overlay** as the rest of the manifest: a shipped or local profile may override base strings; `get-string` returns the merged view for the named adapter option. **Strings are data only** — nothing in spt-core ever executes a string (command templates live in manifest sections behind registration, never in the KV). Node-local like the registration itself; no cross-node sync. `set-string` is sugar that edits a **local** p…\n86:<!-- [doc->REQ-MANIFEST-5] -->\n87:**File-backed strings** (M12-W3): a `[strings]` value MAY be a **file pointer** instead of an inline literal — a value-position table with **exactly one** key `file`: `skill = { file = \"skill.md\" }`. `get-string` resolves it to the file's **contents** (so large bodies — skill-instructions, hint text — stay out of the manifest). The exactly-one-key rule is the disambiguation: any other table shape stays an opaque nested strings tree (existing trees untouched), and `{ file = … }` is reserved as the pointer form (it can't double as inline data). Files live in the adapter's per-adapter aux dir **`adapters/<adapter>/strings/`** (sibling of `profiles/`), referenced by a path relative to it that **must stay inside that dir** (HAZARD-class containment: `..` traversa…\n88:_Avoid_: treating strings as config knobs for spt-core itself (those are global settings); \"adapter KV store\" as a separate registry; putting user files in the adapter-shipped `strings/` dir (clobbered by updates — use a local profile).\n89:\n90:**manifest substitution in `[strings]`** (ratified 2026-06-25, v0.16.0 update-arc grill):\n91:`get-string` resolves a set of **adapter-static** substitution keys inside a returned string value at **read time** (lazily, like file-backed strings): **`{adapter_dir}`** — the registry record's precise `source_dir` (the install dir; survives updates; the same dir bare-program resolution already uses) — and **`{adapter_name}`**. Session-scoped keys (`{id}`/`{session_id}`/…) are **not** available: `get-string` carries no session context today, and a `get-string --session-id` for session-scoped substitution is a deferred, larger change. The load-bearing invariant is preserved: **spt-core still never executes a string** — it substitutes and returns; the *adapter's own wrapper* executes the result. Canonical use: a harness hook dispatcher resolves its own packe…\n92:_Avoid_: session-scoped substitution through bare `get-string`; reading this as spt-core executing a string (it never does — the adapter wrapper executes the resolved value).\n93:\n94:**keyword hints** (ratified 2026-06-12 — core milestone A):\n95:<!-- [doc->REQ-MANIFEST-4] -->\n96:Once-per-session usage/syntax hints, a first-class adapter feature: the manifest's `[hints]` section declares entries of `{keywords (literal default, regex opt-in), text}`; the adapter's user-prompt hook pipes the **full user message** to `spt api hint --session <id>` (stdin) and receives matched hint lines (`keyword hint for SPT adapter <name>: \"<kw>\"-->{text}`) for its context-injection channel. The daemon keeps a per-session seen-set — each hint fires **once per session** (a `/clear` mints a new session, naturally re-arming) — and emits at most **one hint per message PER SOURCE**. **The per-source cap AMENDS BY REPLACEMENT the original global one-per-message clause (releases#133, gater-ruled 2026-08-30), and the authority chain is this:** the global claus…\n97:_Avoid_: unconditional static context (that's the adapter's own preamble); firing per-message.\n98:\n99:**shell keyword hints** (releases#133, operator-GREENLIT; shape ruled 2026-08-30):\n100:<!-- [doc->REQ-SHELL-HINTS] -->\n101:`[[hints]]` was never harness-only — it is a top-level manifest section with no kind gate, so a `kind = \"shell\"` adapter has always been able to declare hints; what was missing was a reader, because the only reader resolved the endpoint-bound manifest. The now-signal **HINTS** category now also reads the shell adapters an endpoint can see, one line each under the per-source cap above. **Two arms, decided by INSTANTIATION and never by link state:** an adapter this owner holds an instance of surfaces the **full** hint text — whether that instance is online or offline — and an adapter with no instance surfaces only a **teaser** naming the trigger keyword and the command that shows the text (`spt adapter hints <adapter[:profile]>`, which resolves the merged view…\n102:_Avoid_: gating the shell arm on the harness manifest (an endpoint with no bound manifest still owns shells); filtering the full arm on online/offline; naming a surfacing command that does not exist at the shipping head.\n103:\n104:**adapter update declaration** (manifest field):\n105:<!-- [doc->REQ-UPD-9] -->\n106:Each adapter manifest declares how spt-core should *ripple-update the adapter itself* (see Self-update). One of: **file-pull** (a plugin-directory lookup regex + a gh repo for the adapter's latest files — spt-core fetches + swaps), **delegated command** (a binary command the adapter owns, e.g. `claude.exe plugin update` — spt-core invokes it), or **gh_release** (the adapter ships its updates from its own GitHub releases). After initial bootstrap, the plugin no longer self-manages updates; spt-core conducts them. The **gh_release** avenue (since v0.8.0) declares `repo = \"user/repo\"` (plus an optional release `asset`, default `adapter.spt`, and an optional Ed25519 `signing_key`): spt-core compares the repo's latest GitHub release version against the installed …\n107:\n108:**adapter packaging & live update** (v0.13.2; ADR-0024, ADR-0025):\n109:<!-- [doc->REQ-ADAPTER-GH-TRANSPORT] -->\n110:A `.spt` may be **multi-platform**: shared `manifest.toml` + `strings/` at the root, role binaries under per-target-triple subdirectories (`x86_64-pc-windows-msvc/`, …); install/update extracts the shared root plus only the current node's triple, flattened into `install_dir`, so flat `<install_dir>/<program>` resolution is unchanged. It stays one signed asset (`adapter.spt`, plain-tar or gzip); a multi-platform archive missing the recipient's triple is a typed `NoArtifactForPlatform`. Large adapters may still split per-platform. The `gh_release` fetch transport is **`auto`** by default — the pre-authorized `gh` CLI when available (the path for **private** adapter repos: `gh` honors both OAuth and `GH_TOKEN`, so spt never custodies a token), else direct HTTPS…\n111:<!-- [doc->REQ-ADAPTER-UPDATE-MESSAGE] -->\n112:An optional **`[update].message`** (avenue-agnostic) is a plain multi-line operator notice surfaced to stdout, markdown-rendered (the helpfmt prose path), **only when an update is actually applied** (the version changed) — never on a no-op. It is read from the newly-installed manifest with no `{key}` substitution; its use is to announce a post-update action (e.g. \"run `/reload-plugins` in any ongoing sessions\").\n113:\n114:**composite update — `[update.post]`** (ratified 2026-06-25, v0.16.0 update-arc grill; ADR-0029):\n[…94ln elided…]\n209:\n210:### Startup flows (the two topologies)\n211:\n212:**Adapters never resolve `$SPT_HOME`.** spt-core install registers its binary directory on the system-wide PATH, so adapters call `spt api …` on any OS without path math. All harness↔daemon bridging goes through `spt api` commands (the daemon is always running, or auto-started — below), so there is **no adapter-written file** in the bind path.\n213:\n214:**Harness-hosted (e.g. spt-plugin; the harness binary is user-launched, harness is the parent).** Key constraint: the SPT *live agent* does not exist until the agent invokes start — the `live_id` isn't chosen at session boot, and `$LIVE start` is itself invoked *behind the Monitor tool*, so it becomes the long-running relay. So binding cannot happen at SessionStart directly. A **seed record** (daemon-held, in-memory — not a file) bridges the gap:\n215:1. The harness's SessionStart hook calls **`spt api seed --pid <parent_pid> --session-id <sid> [cwd]`**. The daemon records an ephemeral in-memory **seed entry** keyed by `parent_pid` — the session details the spt-hosted topology would share directly, minus the not-yet-chosen `live_id`. The seed is **adapter-agnostic**: it carries no `adapter_name`. <!-- [doc->REQ-START-5] --> *Which* adapter/profile a session belongs to is resolved later, at bind, as a read against the live registry (below) — so one SessionStart hook seeds correctly no matter which harness adapters are installed, and an `adapter add` after the seed is never missed. In-memory (not a file) avoids drive churn and the `$SPT_HOME` resolution nuisance; seeds are consumed within seconds, so persis…\n216:2. The agent runs `/spt:live <id>` → the adapter's `$LIVE start <id>` alias = **`$SPT listen <id>`** (= `spt api listen <id>`), invoked via Monitor. It self-discovers its `parent_pid`, the daemon matches the seed entry by that pid (validated against `session_id` to defeat PID-recycling — KNOWN-HAZARDS 5.1), **resolves the owning adapter/profile** (the bind-time resolution below), creates/revives the perch binding `live_id` ↔ session details, then enters the long-running relay loop streaming events to stdout.\n217:3. The always-on daemon holds the perch, spool, registry, and daemon-spawns the Psyche (via the spawn-psyche seam) — no separate wrapper. The relay is purely the delivery pipe.\n218:   - Seed entry refreshed on each SessionStart (keeps `session_id` current across `/clear`, since `parent_pid` is stable while the harness process persists). If a harness has no SessionStart-equiv, `start` may carry the details directly as args — the seed is the preferred convenience, not the only path.\n219:   - The same seed + bind-time resolution serves a **ReadyAgent** bringup (`$SPT ready`/poll), not just a LiveAgent — a harness-hosted ready agent is seeded and resolved identically (it just binds a poll listener, no Psyche).\n220:\n221:**Bind-time adapter/profile resolution (ADR-0021).** Because the seed is adapter-agnostic, `listen`/`poll` resolve the owning adapter/profile when they bind, as a pure read — never a seed-time snapshot that could drift. `--adapter <name[:profile]>` is an **optional override** on the `api` group (an explicit choice for adapter dev/iteration); omitted, resolution runs:\n222:1. the seed's `parent_pid` → that process's **executable basename** (case-insensitive, `.exe`-stripped);\n223:2. **candidate adapters** = registered `kind=\"harness\"` adapters whose **`host_binaries`** (the manifest match-key) contains that basename; <!-- [doc->REQ-MANIFEST-8] -->\n224:3. **profile**: the durable **active-profile pointer** (`spt adapter use <adapter>[:profile]` writes it; one default per `host_binary`) wins; unset → the freshest candidate adapter by `registered_at_ms`, base profile (a specific profile is only ever chosen by the pointer), name-ascending on ties; <!-- [doc->REQ-INSTALL-12] -->\n225:4. zero candidates → a friendly error naming the binary and the `--adapter` escape. The pointer is a standing user preference (durable on disk, never auto-written by install/update); the seed is ephemeral — see ADR-0021.\n226:\n227:**Daemon auto-start:** the daemon is per-machine always-on (OS-service registered), but any `spt api` invocation that needs it will **start it if absent** (fresh boot, crash, never-installed-as-service). `$SPT listen` for the first SPT session on a machine thus transparently spins up the daemon. Ensure-running lives in the `api` layer generally; `listen` is the reliable anchor.\n228:\n229:**spt-hosted (terminal wrapper / GUI launcher; the daemon launches the binary into a broker PTY):**\n230:1. The frontend/CLI launches the agent: the daemon runs the **spawn-session** command template into a broker-held PTY.\n231:2. The binary boots and fires **`api bind`** (or skips it under the strict UUID-injection + stable-pid commitment). **No catalyst/seed file** — the daemon is the launcher, already holds a direct channel (it spawned the process and owns the PTY), so a file round-trip would only add drive churn for no benefit.\n232:3. The daemon delivers events; method is **manifest-configurable per activity-state** — direct PTY injection, or a relay even here (some adapters prefer a relay over PTY injection for idle delivery), or HTTP. During *activity*, delivery still defaults to the non-disruptive hook-injection path, not raw PTY writes.\n233:4. Psyche is daemon-spawned, same as above.\n234:\n235:So the old `$LIVE start` splits by topology: harness-hosted = SessionStart writes an adapter-agnostic seed → `$SPT listen <id>` consumes seed (by `parent_pid`) + resolves adapter/profile (ADR-0021) + binds + relays — legacy parity (`$LIVE start <id>` → `$SPT listen <id>`, no mandatory `--adapter`); spt-hosted = daemon spawn-session + `api bind` (direct, no file). The asymmetry is the file-bridge-only-when-no-direct-channel principle.\n236:\n237:**Env-var aliases:** adapters inject clean env-var aliases for in-session invocation (heirs to today's `$OWL`/`$LIVE`), e.g. **`$SPT` = `spt api`** so a Monitor-bound call reads `$SPT listen <id>`. spt-core supplies the subcommands; the adapter supplies the env aliases (manifest philosophy).\n238:\n239:### Endpoint types\n240:\n241:Each perch advertises an **endpoint type** — a tag that says what shape of entity lives at that perch and what operations it accepts. The set of day-one types:\n242:\n243:**ReadyAgent**:\n244:Minimal SPT participant — a perch + a poll listener, no Psyche, no live-agent wrapper. Direct heir to the sister project's \"ready agent\".\n245:\n246:**LiveAgent**:\n247:A Self with a Psyche companion. Composite logical actor; addressable as one ID, but its component perches (the Self's, the Psyche's) live independently. Direct heir to the sister project's \"live agent\".\n248:\n249:**Psyche**:\n250:The Psyche companion's own perch, distinct from its paired LiveAgent's perch. First-class endpoint type so messages addressed to a LiveAgent's Psyche route directly without ambiguity. **A Psyche is a bounded per-event turn, not a resident process (since v0.25.0).** Each psyche-relevant event (a pulse fire, a commune/signoff drop, a session-custody transition) runs **exactly one** bounded turn through the psyche role template, spawned by the daemon, which exits at turn end — there is no long-lived psyche loop or psyche pid between events. <!-- [doc->REQ-PSYCHE-EPHEMERAL-DRIVER] --> **Liveness = turns succeed** — never a PID or a resident-process check. A Self perch is online-and-hosted whether or not any psyche turn is in flight; a psyche turn failure of any …\n251:\n252:*I/O & trust boundary (ADR-0012):* the Psyche is a **sandboxed** actor — it may read and write files but **cannot send messages or reach the network itself**. Its inbound context arrives two ways: events/messages the daemon hands it, and **commune/signoff file-drops** (Self → daemon → Psyche; the *Summarizer* authors the commune delta). Its **sole outbound** is **reply/notify intents** the daemon relays as its **outbound proxy** — emitted as `<EVENT type=\"reply\">`/`<EVENT type=\"notify\">` (the shared envelope grammar). A *reply* reaches **only the sender it answers**; a *notify* reaches **only the agent's own user** — the Psyche carries no target and cannot address arbitrary endpoints (the daemon strips/re-stamps `from=` before relaying).\n253:\n254:*Psyche-host health — harness-reachable failure signal (v0.8.1, REQ-HAZARD-LIVEHOST-BOOT-RACE):* a LiveAgent's `status=online` is daemon-authoritative liveness and **stays authoritative** — but it does not by itself prove the daemon hosted a Psyche. When the brain's live-host reconcile fails to spawn the Psyche (e.g. the adapter's psyche binary is absent from its install dir, or the net-less boot-race starves the host), that failure was previously **silent** — only an `eprintln!` on the brain's invisible stderr, while a harness (and a human via `spt endpoint list` / `whoami`) reads **perch state**, never brain stderr. The Self perch's `info.json` therefore carries an additive, N-1-safe `psyche_host_error` field (`{reason, ts, attempts}`): a **current-state**…\n255:\n256:**Summarizer**:\n257:The ephemeral, cheap model that builds a **commune delta** from a Self's recent turns and feeds it *into* the **Psyche** as inbound context. A distinct actor from the Psyche — different (cheaper) model, fire-and-forget, **no perch** (not an endpoint type). It authors *commune* deltas only, **never** *reply*/*notify*.\n258:\n259:**AN ECHO COMMUNE IS NOT SURFACED INTO THE LIVE AGENT'S RUNNING CONTEXT** (ratified 2026-08-03, LOCKSMITH grill — releases#113). Its purpose is to keep the Psyche's durable *live-context* and *project-context* current — **which it now does directly**, routing the brief from the summarizer into those tiers on the fire rather than transiting a drop file (operator-ruled 2026-09-06, releases#276); mirroring the brief back to the Self spends the agent's context re-describing work it just did. The shipped `KIND_ECHO_MIRROR` context injection is therefore **retired** (it was spt-core behaviour legacy never had).\n260:\n261:**THE ONE DELTA THAT MUST REACH THE AGENT IS THE SESSION-BOUNDARY DELTA.** An echo also fires at a session boundary (clear / compact / harness-offline), capturing the delta from the last echo to the boundary edge — and that delta is **structurally guaranteed to be missing from the psyche context downloaded at the next session's start**, because generating it takes time the boundary does not wait for. So it is **delivered to the new session as a message with `--active-only` semantics** (it waits for the agent's own next active window and never interrupts a turn) rather than as a context injection. This is the one case where a resuming agent would otherwise resume without work it had just done.\n262:_Avoid_: conflating with the Psyche; \"echo-commune model\"; mirroring an echo brief into the Self's context; assuming the boundary delta rides the session-start psyche download (it cannot — it does not exist yet when that download is built).\n263:\n264:**Worker**:\n265:A subagent's perch under a parent LiveAgent. Created on subagent start, torn down on subagent stop. Replaces today's \"working perch\" concept; first-class type so cross-communication between a Self and its workers (and worker↔worker) is addressable.\n266:\n267:**SptNode**:\n268:A machine's participation in an SPT subnet, identified by an Ed25519 public key generated on first run. First-class so networking primitives can address nodes directly as message targets, not only as transport peers. The node identity and network endpoint are hosted by the machine's `spt-daemon` (see Networking), not a separate process.\n269:\n270:<!-- [doc->REQ-EP-6] -->\n271:**Gateway** (concept ratified 2026-06-11; registered via the open type system, first instance downstream):\n272:A **human-backed endpoint** — a user's specialized window into the subnet from a device or surface with no conventional-harness compatibility. Nothing LLM-shaped runs there; the intelligence at the endpoint is the **user**. Addressable like any endpoint (receives digests/messages, sends via the normal verbs) and may **own Shells** (it is an owning endpoint — see §Shell model). Distinct from a Shell: a Shell is *driven from elsewhere*; a Gateway *originates* interaction. No `tracked/` mind, no Psyche (LiveAgent affordances). First instance: the `spt-lecturn` adapter's Playdate endpoint (own repo).\n273:\n274:<!-- [doc->REQ-MSG-5] -->\n275:A message sent from a Gateway carries **the user's authority** — it *is* the user speaking through a device — and is delivered typed **`user-msg`** (ratified 2026-06-12) so receiving agents weight it as user instruction, not peer-agent chatter. The type is **identity-gated, never payload-trusted** (the KH 7.3/7.5 posture): the daemon permits `user-msg` only from user-backed origins (a Gateway endpoint, the local user's own CLI) and re-stamps an agent-family sender's `user-msg` down to plain `msg` — authority comes from who you are, not what you wrote.\n276:\n277:<!-- [doc->REQ-MSG-6] -->\n278:_Implemented posture_: the **local** user-backed origins are honored end-to-end — a locally-hosted Gateway endpoint (info.json `state=\"gateway\"`) and the local user's CLI (M9-T4/T5). The **cross-node WAN** path is being completed (trust posture **ratified 2026-06-13**): the **subnet membership boundary is the trust boundary**. A subnet is a collection of machines the user already trusts, so a `user-msg` arriving over the subnet from a **Gateway-typed** origin is honored as the user's authority; the daemon does **not** defend against a subnet member *forging* the Gateway type — an in-subnet compromise is out of scope by construction (if the subnet is breached at all, the trust model is already void). The origin's type is read from its advertised registry **`e…\n279:\n280:A Gateway endpoint binary is revived by **existing machinery only** (settled 2026-06-12, two corrections deep): while running, the bridged device's link liveness drives ordinary **instance state** (sustained device silence → dormant; device contact → active — the driver-attach rule). Across a node restart, revival rides a **co-located shell's wake-watcher** — the Gateway typically owns a shell instance on its own gateway host; that shell's offline wake-watcher (one of the two classes of third-party binary spt-core boot-launches — the other is the [[ResidentService]] supervised binary) holds the device-contact surface and fires the standard **wake resolution** (\"owner suspended → revive the owner\"). No Gateway-manifest watcher, no autostart flag, no new mecha…\n281:_Avoid_: calling a Gateway a Shell or an agent; \"console\", \"remote\".\n282:\n283:**PresenceChannel** (broker endpoint — concept locked, impl deferred past v1):\n284:A *broker* endpoint, not an interaction surface. Job: (1) **presence resolution** — track which node + endpoint the user most recently interacted with; (2) **shell brokering** — locate/instantiate the right Shell on that node and relay between the agent and the user. An agent \"just knows how to reach the user\" by firing at its PresenceChannel; the channel figures out the rest. Also a durable, **shell-agnostic 2-way thread**: messages persist in the channel, not in any one Shell, so the user can be sent a message via a phone messaging-Shell and surface/continue that same agent conversation later at a GameRobot Shell. Shells are interchangeable I/O windows onto the channel's thread.\n285:\n286:Three interaction styles:\n287:- **dispatch** — fire-and-forget: \"reach the user with this payload\"; channel delivers via the best available Shell.\n288:- **bind** — sustained drive: \"give me a Shell of capability X\"; channel instantiates and the agent drives it directly until teardown. Supports operating a *specific* Shell regardless of where the user currently is (agent transience).\n289:- **thread** — the persistent conversation that floats across Shells; the user can pick it up from any Shell, and 2-way payloads (text/audio/image/video, subject to the Shell's supported types) flow both directions.\n290:\n291:Presence datum: `(last_active_node, last_active_endpoint, timestamp)`. The `last_active_endpoint` field lets an agent choose between messaging that specific endpoint vs. driving a parallel instance of itself.\n292:\n293:**ResidentService** (concept ratified 2026-07-26, ADR-0049 — the supervised substrate; first consumer spt-alchemy's Hub Daemon):\n294:A **daemon-supervised binary an adapter declares, with no perch, no identity, no address.** Core owns the process from birth: the daemon spawns it **job-neutrally** (never a shell's child — a shell's tree-kill and a launching terminal's Job Object cannot reach it) and supervises it with the wake-watcher scaffolding (backoff, give-up latch, one-per-instance lock, orphan-kill, brain-side reconcile), running **independent of any agent's liveness**. Declared by the adapter manifest's **`[service]`** section; **one supervised instance per adapter-option** (`<adapter>[:profile]`). The start trigger is declared, not implied: **boot** (desired-state-running — reconciled toward running at daemon boot, at adapter registration against a live daemon, at update-hold rele…\n295:_Avoid_: calling it an endpoint (no identity, no address — that is the [[AlwaysOnEndpoint]] layered on top); calling it a Shell (owner-less, not driven); \"daemon\" unqualified (the node has one daemon; this is a supervised service under it); treating its supervision record as liveness truth (there is none — liveness is the child handle).\n296:\n297:**AlwaysOnEndpoint** (always-on endpoint; concept ratified 2026-06-21, re-based on the substrate 2026-07-26 per ADR-0049 — core kind, first instance downstream `spt-discord`):\n298:A **[[ResidentService]] that additionally fronts addressable endpoints** — resident, addressable, hosting no mind — unlike an *agent endpoint* (a hosted mind with a Psyche + `tracked/` context) and unlike a **Shell** (single-owner, *driven*). The substrate carries the process (supervision, cardinality, hold/quiesce, derived liveness — see [[ResidentService]]); the endpoint layer carries the address. It is **two-way addressable**: agents message it (to drive whatever external surface it fronts) and it messages out — notably it may call `endpoint wake <id>` to draw an offline agent online (wake authorization is **target-side**, so no special caller right is needed — see the wake-watcher/sleep-wake model). Its binary **self-manages its channel endpoints via the…\n299:_Avoid_: calling it a Shell (owner-less + not driven) or an agent (no mind); conflating it with its substrate (a ResidentService without the endpoint layer is deliberately faceless — the two-way requirement lives only here); a sleep/wake resting model (it does not rest).\n300:\n…\n317:\n…\n528:\n…\n1267:The CLI sibling of the frontend's guided resume — one command that lists endpoints **grouped by locality, most-recently-used within each group**: `on-node / current-project → on-node / other-project → off-node`, mirroring the *resolution policy*'s local-first preference. Selection **chains conditionally**: a **running** instance → attach/tap-in (no adapter step — already live under one); a **non-running** endpoint → into the **adapter selector** (*adapter selection*: history head = default → prior adapters → \"choose a different adapter\") → *anchor subnet* / other creation prompts as needed → launch; a **\"+ new endpoint\"** entry → the full creation flow. Off-node picks respect the reach + consent gates (remote-drive of your own running instance is ungated; a …\n\n[Showing lines 1-115 and 210-307 of 307; 94 middle lines (26.1KB) elided. Use :301 to continue. Read artifact://706 for full output. Some lines truncated to 768 chars]"}],"details":{"truncation":{"content":"# spt-core\r\n\r\n**Platform scope:** Windows + Linux for v1. macOS is out (no test machine available) but kept structurally easy — `portable-pty` and Iroh both support it, so macOS is a later test/CI-budget decision, not a re-architecture.\r\n\r\n**Legacy migration:** it should be possible — ideally *automatic* — for a user to migrate an existing `claude_skill_owl` (modern SPT) install to spt-core (identity, agents, tracked Psyche context). Exact mechanism deferred to design; the commitment is that migration is a first-class supported path, not a manual rebuild.\r\n\r\nHarness-independent core for the SPT ecosystem. Provides inter-agent messaging, live-agent lifecycle, terminal wrapping, self-update, and networking primitives — as both a Rust library workspace and a canonical reference binary. Designed so any agent runtime (Claude Code, Codex, Cursor, headless, future harnesses) can interface with the SPT ecosystem either by shelling out to the binary or by linking the crates directly.\r\n\r\nSuccessor to `claude_skill_owl` (today's \"modern SPT\"), which is being rebuilt as `spt-core` to untether the system from Claude Code and lift it to a general-purpose agent-ecosystem core.\r\n\r\n## Language\r\n\r\n**spt-core**:\r\nThe system. Canonical name. The Rust workspace and the umbrella project.\r\n\r\n**spt.exe / spt** (canonical binary):\r\nThe reference binary built from the workspace. Replaces today's `owl.exe`. Most external integrations (plugins, hooks, scripts in other harnesses) interact with spt-core *only* through this binary — fire-and-forget subcommands, long-running listeners under a parent harness's process supervisor, etc. Unix builds use the same name without `.exe`.\r\n\r\n**library workspace**:\r\nThe set of Rust crates that compose spt-core. Consumers that want a deeper integration than shelling out to `spt.exe` link these crates directly. The reference binary is itself a consumer of the workspace. The expected non-binary consumers are future first-party services that link Rust directly.\r\n\r\n**spt plugin** (separate downstream project — NOT an spt-core deliverable):\r\nA rebuilt version of today's Claude Code `spt` plugin. It is the **first consumer** built *atop* spt-core and the **acceptance proof** of spt-core v1 (it reaches feature parity with modern SPT while delegating all core functionality to spt-core, primarily via `spt.exe`, with deeper hooks where useful) — but it **lives and builds in its own repository, outside spt-core**. It is a Claude-Code-specific *adapter*: it holds the Claude Code conventions (hooks, slash-commands, skill/plugin layout, `claude` session-invocation). **spt-core itself contains zero Claude Code conventions** — only the harness-agnostic contract the plugin binds to. The only adapter-shaped artifact ever in this repo is a generic mock/test adapter exercising the manifest + `api` contract (PR…\n\r\n**Pi** (disambiguation — two meanings, never conflate):\r\n(1) **Pi, the coding agent/harness** (`badlogic/pi-mono`) — a harness example alongside Claude Code and Codex; this is the meaning in user-facing harness lists. (2) **Pi-class node** — Raspberry-Pi-class low-power hardware hosting a Shell-only or headless SPT node; an incidental hardware descriptor, never an explicit product example. Public-facing docs must disambiguate or avoid the bare word.\r\n_Avoid_: bare \"Pi node\" when the harness is meant.\r\n\r\n**spt-daemon** (per-machine supervisor):\r\nThe single always-on, one-per-machine logical supervisor. Owns the PTYs for all hosted sessions, the node's network identity + WAN endpoint, the subnet registry, all spools, **all poll-listener logic, and all Psyche/pulse loops** — everything is consolidated here (no separate poll-listener or Psyche-wrapper processes; listeners already touch sessions directly under capsule/idle, and Psyche wrappers already invoke harness binaries directly, so they belong in the one supervisor). Collapses what the sister project planned as a separate `spt-node` daemon into one process — see Networking. The `spt-node` separate-deliverable concept is retired.\r\n\r\n<!-- [doc->REQ-CLI-NODE-VERB-PRIMARY] -->\r\n**`spt node` (the CLI verb) is NOT the retired `spt-node` (the process)** — the two are different kinds of thing and must never be conflated. What is retired above is a separate *process* deliverable: a second daemon alongside `spt-daemon`, which this project collapsed into one supervisor. What `spt node` names is the *CLI verb* an operator types to run, stop, or read the state of that one supervisor on their machine (releases#112) — a vocabulary choice on the command surface, with no second process behind it. `spt daemon` remains a full alias of that verb, subcommand for subcommand, and is documented as deprecated rather than removed: installed OS service units and scheduled-task rungs already carry `spt daemon run`, and renaming a verb does not rewrite art…\n\r\nInternally the logical daemon is split into two implementation layers for seamless self-update (see Self-update):\r\n- **broker** (stable \"kernel\") — holds *only* the un-transferable, must-not-die resources: PTY master fds, the spawned harness child processes, and listening network sockets. Minimal, dumb, versioned local IPC. Almost never updates.\r\n- **daemon brain** (\"userspace\") — all logic (routing, registry, pulse/psyche loops, manifest parsing, update orchestration). Restarts freely on update; rehydrates from disk state and re-attaches to the broker's held handles.\r\n\r\nLogical addressing is unchanged — still one per-machine `spt-daemon`; the broker is an internal layer, not separately addressable. There is exactly **one broker per machine** (per `SPT_HOME`) — *not* one per endpoint: a single broker holds every hosted endpoint's resources, and it is present whenever the daemon runs, even with zero endpoints online (the bare-daemon case). It is therefore the always-present per-machine layer, which is why the single-daemon lock + liveness anchor belong to it.\r\n\r\n**in-session relay**:\r\nA thin, stateless `spt.exe` task that exists only in **harness-hosted** sessions (where the agent harness is the parent process and spt cannot reach into its process tree — today's Monitor model). It streams the daemon brain's events into the session's stdout. All *stateful* listener logic lives in the daemon; the relay is a dumb pipe, freely killable and respawnable. **spt-hosted** sessions need no separate harness-owned relay — the daemon owns the PTY and consumes the same poll feed itself. Idle delivery into an spt-hosted PTY goes through an opt-in adapter **translation binary** (`[message-idle-translation-binary]`, ADR-0022): a pure stdin→stdout filter spt-core lifecycle-manages — it reads the `<EVENT>` feed on stdin, emits keystroke-commands (`{key}`/`{…\n\r\n### Deliverable shape\r\n\r\nspt-core ships **both** a library workspace and a canonical binary:\r\n\r\n- **Library crates** — the deeper integration path. Used by future first-party services that link Rust directly.\r\n- **`spt.exe` / `spt`** — the canonical binary, built from the workspace. The primary integration path for harness plugins and external tooling, which mostly fire it as a subprocess at various surfaces (one-shot commands, poll listeners under a Monitor-tool-equivalent, hook tap-ins).\r\n\r\nBoth surfaces are first-class. Wire-protocol parity between them is a versioning concern from day one (a non-Rust client speaking to `spt.exe` and a Rust client linking the crates must see the same observable behavior).\r\n\r\n## Runtime model\r\n\r\nspt-core is harness-independent: it does not know about Claude Code, Codex, Cursor, or any other agent runtime. All harness-specific surfaces (how to invoke an agent session, fetch conversation history for an echo commune, detect activity/idleness, etc.) are abstracted behind a runtime layer that consumers supply.\r\n\r\n**AgentRuntime** (Rust trait, implementation detail):\r\nThe internal Rust abstraction over a harness. Anything spt-core needs to do *to* or *with* an agent goes through this trait. Most consumers never see it directly — they configure spt-core via a manifest, and spt-core's default `ManifestRuntime` implementation executes against the manifest.\r\n\r\n**harness contract** (umbrella term):\r\nThe full surface a harness binds to in order to participate in the spt-core ecosystem. Has two equally-important halves: the **runtime manifest** (outbound — how spt-core drives the harness) and the **subcommand surface** (inbound — how the harness reports events back to spt-core). A harness implementation is one TOML/YAML manifest + a binding from the harness's own hook system into `spt.exe <subcommand>` calls.\r\n\r\n**runtime manifest** (outbound half of the harness contract):\r\nA declarative configuration file (TOML/YAML — schema TBD) that tells spt-core how to drive a specific harness. Declares: how to invoke an agent session, how to look up conversation history for an echo commune, how to spawn/resume a Psyche-equivalent, which binary or command implements each harness-side operation, and which endpoint types this harness supports. spt-core is the actor for each of these; the manifest tells it what to do.\r\n\r\nExample shape (illustrative): `spt.exe --manifest spt-plugin.toml live start <id>`. A harness like the planned spt plugin wraps this invocation into the `$LIVE` / `$OWL` environment variables it injects into its sessions, so harness-internal callers continue to invoke `$LIVE` / `$OWL` unchanged.\r\n\r\n**subcommand surface** (inbound half of the harness contract):\r\nThe stable set of `spt.exe <subcommand>` entry points that harnesses bind their own hook systems to. When the harness's runtime emits an event (subagent started, tool just invoked, user typed `/clear`, session crashed), the harness's hook fires a short-lived `spt.exe <subcommand>` invocation that mutates on-disk SPT state (perch registry, spool, etc.). spt-core publishes this surface; harnesses author the bindings.\r\n\r\n**Naming convention:** these inbound, machinery-facing commands are prefixed **`api `/`api-`** (e.g. `spt api bind`, `spt api state`) to distinguish them from the agent-facing verbs an agent invokes directly (`send`, `ring`, `ready`, …). The `api` namespace is the harness/adapter commands-API; the unprefixed namespace is the agent surface.\r\n\r\nTogether: manifest + subcommand surface = the complete harness API. A sidecar-style long-running adapter process speaking a wire protocol is explicitly **deferred** as a possible v2 alternative for harnesses that outgrow the manifest+hooks shape (e.g. need streaming or in-memory state across events). Not built day-one.\r\n\r\n**adapter manifest header** (`adapter_name` + version compat):\r\nEvery manifest declares a unified **`adapter_name`** (e.g. `claude-spt`), carried on every `api` invocation too. It is load-bearing: one daemon hosts endpoints from multiple adapters, so it resolves an endpoint's manifest + seams by `adapter_name`; adapter-update ripples target by it; capability/manifest lookup and telemetry key on it. The header also declares the adapter's own version and a **`min_spt_core_version`** — the minimum spt-core the adapter requires. This declaration must be **readable before an adapter update is applied** (it lives in the manifest header / a small metadata file fetched first), so spt-core can verify compatibility / expected supported features *before* committing the update. If spt-core is below the adapter's `min_spt_core_versio…\n\r\n<!-- [doc->REQ-MANIFEST-2] -->\r\n**adapter profile** (ratified 2026-06-11, Gateway grill; future spt-core milestone — first beneficiaries `spt-claude-code` and the usbip shell):\r\nA named **sparse overlay** on its parent adapter manifest. Merge semantics are **leaf-replace**: a profile key replaces the whole value at that path (arrays included — never spliced or appended). The merged result is a complete manifest, and the profile behaves as a distinct adapter option everywhere: canonical addressing is the composite **`<adapter>:<profile>`** (`claude-spt:work`, `spt-usbip-driver:hid-only`) in every place a bare `adapter_name` rides today (perch `info.json`, capability resolution, `api` invocations, `spt adapter list`); the bare name = the parent unmodified. **Two sources, one semantics:** a **shipped profile** is declared inside the parent manifest by the adapter dev and updates as one unit with it; a **local profile** is a node-local …\n_Avoid_: \"manifest fork\", \"child adapter\", per-profile versioning.\r\n\r\n**adapter strings** (ratified 2026-06-11, Gateway grill):\r\n<!-- [doc->REQ-MANIFEST-3] -->\r\nA `[strings]` manifest section — an adapter-authored JSON/TOML KV tree, dot-path-readable by anything on the node via `spt adapter get-string <adapter-option> <key.path>` (e.g. a harness hook fetching per-profile `additionalContext` — one hook script serves every profile, only the data differs). Resolution rides the **same leaf-replace profile overlay** as the rest of the manifest: a shipped or local profile may override base strings; `get-string` returns the merged view for the named adapter option. **Strings are data only** — nothing in spt-core ever executes a string (command templates live in manifest sections behind registration, never in the KV). Node-local like the registration itself; no cross-node sync. `set-string` is sugar that edits a **local** p…\n<!-- [doc->REQ-MANIFEST-5] -->\r\n**File-backed strings** (M12-W3): a `[strings]` value MAY be a **file pointer** instead of an inline literal — a value-position table with **exactly one** key `file`: `skill = { file = \"skill.md\" }`. `get-string` resolves it to the file's **contents** (so large bodies — skill-instructions, hint text — stay out of the manifest). The exactly-one-key rule is the disambiguation: any other table shape stays an opaque nested strings tree (existing trees untouched), and `{ file = … }` is reserved as the pointer form (it can't double as inline data). Files live in the adapter's per-adapter aux dir **`adapters/<adapter>/strings/`** (sibling of `profiles/`), referenced by a path relative to it that **must stay inside that dir** (HAZARD-class containment: `..` traversa…\n_Avoid_: treating strings as config knobs for spt-core itself (those are global settings); \"adapter KV store\" as a separate registry; putting user files in the adapter-shipped `strings/` dir (clobbered by updates — use a local profile).\r\n\r\n**manifest substitution in `[strings]`** (ratified 2026-06-25, v0.16.0 update-arc grill):\r\n`get-string` resolves a set of **adapter-static** substitution keys inside a returned string value at **read time** (lazily, like file-backed strings): **`{adapter_dir}`** — the registry record's precise `source_dir` (the install dir; survives updates; the same dir bare-program resolution already uses) — and **`{adapter_name}`**. Session-scoped keys (`{id}`/`{session_id}`/…) are **not** available: `get-string` carries no session context today, and a `get-string --session-id` for session-scoped substitution is a deferred, larger change. The load-bearing invariant is preserved: **spt-core still never executes a string** — it substitutes and returns; the *adapter's own wrapper* executes the result. Canonical use: a harness hook dispatcher resolves its own packe…\n_Avoid_: session-scoped substitution through bare `get-string`; reading this as spt-core executing a string (it never does — the adapter wrapper executes the resolved value).\r\n\r\n**keyword hints** (ratified 2026-06-12 — core milestone A):\r\n<!-- [doc->REQ-MANIFEST-4] -->\r\nOnce-per-session usage/syntax hints, a first-class adapter feature: the manifest's `[hints]` section declares entries of `{keywords (literal default, regex opt-in), text}`; the adapter's user-prompt hook pipes the **full user message** to `spt api hint --session <id>` (stdin) and receives matched hint lines (`keyword hint for SPT adapter <name>: \"<kw>\"-->{text}`) for its context-injection channel. The daemon keeps a per-session seen-set — each hint fires **once per session** (a `/clear` mints a new session, naturally re-arming) — and emits at most **one hint per message PER SOURCE**. **The per-source cap AMENDS BY REPLACEMENT the original global one-per-message clause (releases#133, gater-ruled 2026-08-30), and the authority chain is this:** the global claus…\n_Avoid_: unconditional static context (that's the adapter's own preamble); firing per-message.\r\n\r\n**shell keyword hints** (releases#133, operator-GREENLIT; shape ruled 2026-08-30):\r\n<!-- [doc->REQ-SHELL-HINTS] -->\r\n`[[hints]]` was never harness-only — it is a top-level manifest section with no kind gate, so a `kind = \"shell\"` adapter has always been able to declare hints; what was missing was a reader, because the only reader resolved the endpoint-bound manifest. The now-signal **HINTS** category now also reads the shell adapters an endpoint can see, one line each under the per-source cap above. **Two arms, decided by INSTANTIATION and never by link state:** an adapter this owner holds an instance of surfaces the **full** hint text — whether that instance is online or offline — and an adapter with no instance surfaces only a **teaser** naming the trigger keyword and the command that shows the text (`spt adapter hints <adapter[:profile]>`, which resolves the merged view…\n_Avoid_: gating the shell arm on the harness manifest (an endpoint with no bound manifest still owns shells); filtering the full arm on online/offline; naming a surfacing command that does not exist at the shipping head.\r\n\r\n**adapter update declaration** (manifest field):\r\n<!-- [doc->REQ-UPD-9] -->\r\nEach adapter manifest declares how spt-core should *ripple-update the adapter itself* (see Self-update). One of: **file-pull** (a plugin-directory lookup regex + a gh repo for the adapter's latest files — spt-core fetches + swaps), **delegated command** (a binary command the adapter owns, e.g. `claude.exe plugin update` — spt-core invokes it), or **gh_release** (the adapter ships its updates from its own GitHub releases). After initial bootstrap, the plugin no longer self-manages updates; spt-core conducts them. The **gh_release** avenue (since v0.8.0) declares `repo = \"user/repo\"` (plus an optional release `asset`, default `adapter.spt`, and an optional Ed25519 `signing_key`): spt-core compares the repo's latest GitHub release version against the installed …\n\r\n**adapter packaging & live update** (v0.13.2; ADR-0024, ADR-0025):\r\n<!-- [doc->REQ-ADAPTER-GH-TRANSPORT] -->\r\nA `.spt` may be **multi-platform**: shared `manifest.toml` + `strings/` at the root, role binaries under per-target-triple subdirectories (`x86_64-pc-windows-msvc/`, …); install/update extracts the shared root plus only the current node's triple, flattened into `install_dir`, so flat `<install_dir>/<program>` resolution is unchanged. It stays one signed asset (`adapter.spt`, plain-tar or gzip); a multi-platform archive missing the recipient's triple is a typed `NoArtifactForPlatform`. Large adapters may still split per-platform. The `gh_release` fetch transport is **`auto`** by default — the pre-authorized `gh` CLI when available (the path for **private** adapter repos: `gh` honors both OAuth and `GH_TOKEN`, so spt never custodies a token), else direct HTTPS…\n<!-- [doc->REQ-ADAPTER-UPDATE-MESSAGE] -->\r\nAn optional **`[update].message`** (avenue-agnostic) is a plain multi-line operator notice surfaced to stdout, markdown-rendered (the helpfmt prose path), **only when an update is actually applied** (the version changed) — never on a no-op. It is read from the newly-installed manifest with no `{key}` substitution; its use is to announce a post-update action (e.g. \"run `/reload-plugins` in any ongoing sessions\").\r\n\r\n**composite update — `[update.post]`** (ratified 2026-06-25, v0.16.0 update-arc grill; ADR-0029):\r\nAn optional **avenue-agnostic** post-step `{ command, self_verifies }` spt-core runs **after** the primary avenue resolves — in the same `spt adapter update` **and at `spt adapter add`** (install is the first update, so a fresh install conducts the post-step too; bug-#1 operator ruling, v0.19.0 — the eager-extract acquisition runs it post-registration, a delegated acquisition after the acquisition succeeds, and only the payload-less `file_pull` PENDING add defers it to the payload's arrival) — so one lever pulls the adapter `.spt` (`gh_release`) **and** runs a delegated reconcile (e.g. an adapter's `claude plugin update` cross-platform binary). It runs **foreground and bounded** (the subprocess-timeout hazard bound, 120s; never backgrounded — when the CLI re…\n\r\n**resident adapter binary**: an adapter-owned process spt-core keeps alive for an endpoint's lifetime (today the `[message-idle-translation-binary]`), as opposed to **ephemeral** adapter binaries — the Psyche loop (daemon-hosted, ADR-0004), the `[digest]` extractor, `[session.*]` runners, hooks — which spawn on demand and pick up an update on their next invocation. Only resident binaries are stopped/restarted on a live update; ephemerals self-heal.\r\n_Avoid_: calling the Psyche loop or an on-demand extractor a \"resident\" binary; \"restart the endpoint\" for what is a per-binary cycle.\r\n\r\n**session-invocation declaration** (manifest field, noted for spt-plugin parity):\r\nHow the harness spawns agent sessions, including Psyche and echo-commune sessions. For the rebuilt spt-plugin, Psyche and echo communes must migrate **off `claude -p`** (imminent Claude Code billing changes) to headless `claude` sessions (`--resume` for the Psyche). This is an adapter/manifest concern, not a core concern, but the parity milestone must carry it.\r\n\r\n### Manifest seams (outbound contract, detailed)\r\n\r\nGoverning principle: **SPT is not a harness.** Model choice, billing shape, harness-internal env, and harness-internal context are entirely the adapter's concern, expressed inside the adapter's own command templates. spt-core owns only the template *mechanism* (substitution keys), the substitution *values* it is responsible for, and the surrounding lifecycle. Env for the *endpoint binary itself* is auto-handled by spt-core/broker; env for the *agent running inside* that binary is the adapter's config (e.g. the CC plugin config).\r\n\r\n**spawn-session seam** — launch a new agent session on this node. Manifest provides: a command template; `cwd`/project; a `headless` flag (optional, default false — for the GUI's resume-of-compatible-adapters); a `resume` flag (optional); and the `commune` + `signoff` file directories relative to `cwd` (so the daemon knows where to watch). Substitution keys spt-core can supply: `{id}` and, optionally, a spt-core-generated valid session UUID (e.g. injected as `--session-id {uuid}`) so an adapter can skip the post-spawn seam. spt-core does **not** inject: harness-internal env (broker handles binary env; adapter handles in-session env), and **no initial-context handoff** (not needed at start — the agent is prompted for context once its session is up; the first …\n- **id resolution:** `id` is optional. With no id, spt-core reproduces today's no-id `/spt:live` behavior — run the lone live agent if that's all the project has; show a picker with proposed default IDs if the project has none; let the user choose if there are several.\r\n\r\n**post-spawn seam** — the just-launched binary calls an spt-core command on boot (via the adapter's SessionStart-equivalent hook) to bind itself. Needed because the harness's own session id usually isn't known until after the binary runs. Payload: the harness `session_id` (when binary-generated rather than spt-core-injected); the `parent_pid` (the stable session-binding anchor — see KNOWN-HAZARDS 2.1); an endpoint identity/type confirmation; optionally a local HTTP port the binary listens on (for HTTP-mode input delivery, below); and a **boot nonce** (a generation/boot discriminator so a respawn-after-crash bind can't be confused with a stale duplicate — guards KNOWN-HAZARDS 2.4). The call flips the perch from skeleton → live.\r\n\r\n**post-spawn is optional only under a strict commitment:** an adapter may forgo post-spawn *only* if it (a) injects the spt-core-generated session UUID at spawn AND (b) guarantees the launched-process pid IS the stable session-binding anchor (no wrapper-script / subprocess pid indirection). If either does not hold, post-spawn must fire to report `session_id` and/or `parent_pid`. UUID-injection alone suppresses only the `session_id` reporting, not the binding.\r\n\r\n**spawn-psyche seam** — two command templates: fresh-start and resume (the resume template includes `$session_id`). Both include `$psyche_prompt` — the revival essentials spt-core feeds the Psyche (timestamp, incoming event envelope). Everything else is the adapter's: model selection (in its template), and any harness-specific instructions the Psyche needs (Write-tool usage, commune dir) supplied as a static preamble before `$psyche_prompt` or as adapter SessionStart additionalContext. spt-core owns `$psyche_prompt` content; the adapter owns the rest.\r\n\r\n**history subsystem** (covers echo-commune source logs, resume briefs, and Shell logs) — two supported paths:\r\n- **Path A — adapter-owned logs.** Manifest declares a locate-template (keyed by `$session_id`) + a **normalize-command the adapter owns** that emits spt-core's expected normalized format. spt-core docs must teach adapter devs how to build a conformant parser.\r\n- **Path B — spt-core-native history store.** spt-core exposes a `history-log` command/API; the adapter writes its logs to spt-core in the native format and spt-core stores them. Rationale: spt-core needs its own log store for Shells anyway, and this simplifies integration for flexible/DIY harnesses.\r\n- The **echo-commune seam** is then just a command template (adapter picks the model) that consumes whichever history path is configured for the session.\r\n- **Why adapter-owned normalize over spt-core built-in parsers** (grounded in a Codex-CLI vs Claude-Code comparison): transcript formats diverge sharply and move fast. Claude Code = one flat JSONL per session, project-partitioned, locatable directly from the session id (`~/.claude/projects/<hash>/<id>.jsonl`). Codex = date-partitioned **rollout files** (`~/.codex/sessions/YYYY/MM/DD/rollout-<ts>-<id>.jsonl`) where the id is only a filename *substring* (must recursive-glob to locate), a **3-level tagged envelope** (`{timestamp,type,payload}` → tagged `ResponseItem` → tagged `ContentItem` with distinct `input_text`/`output_text`), tool calls as separate top-level items, a **second SQLite index that can desync from the files**, Limited/Extended persistence mode…\n- **Profile-relocated transcript roots — env-read capture** (ratified 2026-06-30, counter-38 field-bug grill; supersedes a rejected harness-specific `{config_dir}` proposal): a Path-A locate-template (and the `[digest].source` that reuses it) may reference a manifest-declared **`[env.<VAR>] direction = \"read\"`** var (e.g. `{CLAUDE_CONFIG_DIR}`). spt-core captures the **declared** read-vars — an explicit allowlist, never the whole env — from the session's launch environment at **bind** (the only point the env is present; the ephemeral `[digest]` extractor runs later in the daemon context where it is gone), persists them in the perch, and substitutes them into the locate-template + the extractor's env at digest time. The var's **fallback** is the `[env]` direc…\n- **`[digest]` mirrors history's two strategies — locate ownership** (ratified 2026-06-30, counter-38 W6 design-gate): like `[history]`, `[digest]` supports **`fetcher`** (the adapter's extractor **locates + reads + emits** normalized digest records; spt-core runs it bounded and consumes its stdout, doing **no** locate and **no** pre-read) alongside the original **`locate_normalize`** (`source` template → spt-core locates a **single** file + reads + pipes the bytes to the extractor as a pure stdin→stdout normalizer). The pre-read `locate_normalize` mode only works when the transcript is a **single fully-templatable path**; a **partitioned** layout — CC's project-slug subdir (`projects/<munge(cwd)>/<id>.jsonl`) or Codex's date-glob (`must recursive-glob to lo…\n\r\n**activity/idle detection** — **not** PTY-quiescence (insufficient: e.g. CC's AskUserQuestion stalls the PTY while holding stdin and needing nuanced input) and **not** a manifest-declared idle signal. Instead, the adapter calls spt-core activity/idle commands at the right moments (from its hooks); those commands manage activity/idle **sentinels inside the session perch**. The idle state lives in the perch, owned by spt-core via the commands API exposed to adapter devs.\r\n\r\n**activity observation** (ruled 2026-07-24, rebound grill) — two avenues, deliberately split by consumer class; the digest is **not** one of them (it stays a content surface). **Push (shells only):** an owned Shell observes its *owner's* busy/idle transitions as an **activity frame** on the existing shell-link event stream — link-scoped (owner implied by the link token), **drive-class semantics** (ephemeral, latest-wins, current-state-carrying; a redundant same-state resend is a harmless no-op — the consumer derives edges), current state re-emitted on every (re-)link so a restart resynchronizes for free. Never spooled or replayed: stale transitions are actively wrong. Delivery promise is **bounded observation** — a frame per transition, sub-second class, nev…\n\r\n**inject-input seam** — message delivery into a running session. Configurable per activity-state (activity / idle / both); multiple methods, any combination:\r\n- PTY injection (with or without key/submit sequences) — spt-hosted topology;\r\n- adapter hooks calling spt-core poll commands;\r\n- an in-adapter-session child relay (à la CC's Monitor tool);\r\n- adapter manifest requesting HTTP POST delivery to the endpoint binary on a local port (shared via the post-spawn seam).\r\nNote: even spt-hosted sessions default to hook injection (or the adapter's equivalent) as the non-disruptive path **during activity**; some adapters prefer the in-session relay regardless of topology.\r\n\r\n**activity-gated delivery** — an inbound message routes by the receiver's activity sentinel (above). While the endpoint is **active**, the message spools for the receiver's own hook-poll to drain (non-disruptive — the *active window*). On **idle** (or an idle transition before a hook drains it), it delivers immediately — translation binary (spt-hosted) → relay-poll (either topology) → spool, in that fallback order (the *idle window*). The send-side axes below modulate which of these two windows a message is eligible for.\r\n\r\n**message delivery axes** — a sent message carries independent modifiers on orthogonal axes; it is **not** a single \"type\". The flag on each axis defaults to the unrestricted value:\r\n- **delivery window** (*when*) — **default** (both windows; delivers in whichever fires first) · **idle-only** (held for the idle window; delivered immediately if already idle) · **active-only** (active window only — the receiver's hook-poll; never wakes an idle agent). *active-only* is the renamed legacy **deferred** (the `deferred=1` spool column + `api poll --include-deferred` are its internal/adapter-facing names). Mutually exclusive.\r\n- **channel restriction** (*through what*) — **unrestricted** (any configured inject method) · **prefer-native** (the translation binary if one is running, else fall back to the standard methods) · **force-native** (the translation binary and nothing else — no fallback, no spool-to-another-method). Mutually exclusive; composes with the window. *\"Native\"* = the `[message-idle-translation-binary]` PTY channel.\r\n- **persistence** (*how long it waits*) — **durable** (default; spooled until delivered or TTL) · **ephemeral** (dropped if it cannot deliver in its accepted window — at the moment the window opens with no live carrier, or at TTL, whichever is first). Ephemeral is the **only** path permitted to drop silently (the REQ-HAZARD-IDLE-SILENT-NONDELIVERY carve-out); every non-ephemeral path spools and reports non-delivery. <!-- v0.15.0 PARTIAL (W3): ephemeral evaporation covers the spt-hosted-binary no-carrier-at-window leg (the idle-transition drain drops ephemeral rows the binary cannot take) + the TTL leg (purge). The harness-hosted relay \"window opens with no live *listener*\" leg is NOT yet delivered — it needs relay carrier-presence detection (same separate-co…\nWindow restricts *when* delivery is accepted, channel restricts *which method* carries it, persistence restricts *how long* it waits — they compose freely (e.g. `force-native` + `active-only` = the binary injects during the active window, never idle; `force-native` + `ephemeral` = binary-or-nothing).\r\n\r\n**message metadata (`json`)** — a sender may attach an opaque JSON metadata block (`--json-payload`), carried as a single attr-escaped `json=\"…\"` envelope attribute **alongside** (never replacing) the body. spt-core never interprets it — pure verbatim passthrough across every rail (spool / TCP / WAN / EVENT-PART), parsed only by the receiving adapter (its hooks and/or translation binary). Collision-proof by construction: the structured data lives **inside** the single `json` value, so it can never forge spt-core's control/identity attributes (`from`, `type`, …). Available to any sender — it confers no spt-core authority; what a custom field *means* is the receiving adapter's trust decision (the same posture as `from`-is-never-payload-trusted).\r\n\r\n**resume-session seam** — two distinct forms:\r\n- **fresh-with-preload:** resume with *cleared* context (a fresh session) + psyche-download. Accepts a `$psyche-context` key to launch the fresh session with the psyche-download preloaded — or the adapter instead pulls it via an spt-core command in its SessionStart hook. <!-- [doc->REQ-RESUME-CONTEXT-PULL] --> That command is **`spt api psyche-download <id> [--session-id <sid>]`**: it emits the durable resume brief (role → live-context → project-context, project resolved from the perch's bound cwd) to stdout for the adapter's SessionStart hook to inject as additional context, and APPENDS any **not-yet-synthesized** commune/signoff drop as a `<pending-commune>`/`<pending-signoff>` slice AFTER the durable tiers — closing the window where a just-dropped commune…\n- **continue-existing:** resume an existing harness session under the adapter (its native resume).\r\n\r\n**capability declaration** — which endpoint types a harness/node can host (a Pi node might host only Shells, never a LiveAgent). Static manifest list, consumed by the subnet registry so a node advertises its hostable types. Exact shape is design-open.\r\n\r\n**adapter-update seam** — file-pull or delegated-command (see Self-update). Locked.\r\n\r\nThere is no separate \"model/billing\" seam — those live inside the adapter's spawn/psyche/echo command templates. SPT never selects a model. The full manifest schema is `docs/MANIFEST.md`; key model-level facts from it:\r\n\r\n- **Command templates are opaque.** spt-core never parses out a model/tool/flag — the adapter writes the whole command line; spt-core fills substitution keys and runs it.\r\n- **A command template's program token resolves against the adapter install dir before PATH (since v0.8.0).** A `.spt` adapter ships its built binaries to the adapter's install dir (`adapters/_github/<safe>/` via `--release`/`--github`, or the record's `source_dir` under copy-mode), so a bare program name (e.g. `claude-spt-digest …`) binds to the shipped binary first and falls back to PATH when absent — a `.spt` that ships its binaries is **self-contained**, needing no PATH placement. <!-- [doc->REQ-INSTALL-11] --> Applies to the `[digest]` extractor, the `[session.psyche_init]` runner, and the `adapter digest-proof` tool; the install dir is the registry record's `source_dir` (precise) for the daemon-resolved paths — the `[digest]` extractor and the daemon-h…\n- **Hook output capability is declared per harness-event** (`can_inject`). CC's Stop hook cannot inject context — that single fact drives the echo-gate sentinel + relay fallback. The manifest expresses it so spt-core knows when to fall back.\r\n- **Env injection is asymmetric** (file-bridge-only-when-not-launcher, applied to env): spt-hosted sessions inherit env from the broker that spawns them; harness-hosted sessions need the harness's declared env channel. With `spt` on PATH the env table is small.\r\n- **Cross-adapter fallback** is a **node-wide setting**, not a manifest field: if a Psyche/echo invocation under one adapter is rate-limited, spt-core falls back to another adapter (e.g. `ccs` — its own adapter, not a binary-swap). <!-- [doc->REQ-MANIFEST-6] --> A fallback **target is addressed as `<adapter>:<profile>`** (not just a bare adapter_name) and resolves through the one composite-addressing resolver (`registry::resolve_option`), so a fallback may select a shipped or local profile (`ccs`, `ccs:<profile>`) exactly as any other adapter-option read site does. *Contract only at M12-W3 — the addressing resolves; the node-wide setting + its rate-limit invocation belong to the consuming milestone (no reader exists yet, so no config field is added).* Adapte…\n- **Config knobs** (pulse period, echo-commune window/gate, route-guard window, daily refresh) are spt-core **global settings** with optional **per-endpoint override**. **An adapter may DECLARE A DEFAULT, never an override** (narrowed 2026-08-03, LOCKSMITH grill — the original \"never per-adapter\" wording is superseded): a harness has real information about its own turn shape and cost, but the operator keeps the last word. Precedence, highest first: **per-endpoint override → node/global setting → adapter-manifest default → core default.** Storage follows the ratified `auto-suspend-after` chain (REQ-INST-3): the endpoint leg is an optional `PerchInfo` field in `info.json`, the node leg is `daemon.json`, absent ⇒ inherit the next rung, and `0` ⇒ explicitly OFF …\n- **Event-block vocabulary and file-drop filenames are fixed spt-core constants** (documented for adapter authors), not manifest-configurable. <!-- [doc->REQ-RESUME-CONTEXT-PULL] --> This includes the **checkpoint sentinel `!!checkpoint!!`** — the agent-checkpoint trigger an adapter embeds in a commune/signoff drop body (one bare token = checkpoint with default wake; a `!!checkpoint!! <text> !!checkpoint!!` pair makes the inter-marker text a custom wake directive). It is spt-core control metadata: spt-core STRIPS every occurrence (keeping the inter-marker text) before the drop body reaches agent context, at BOTH points it can — the resume `<pending-*>` presentation (pre-synthesis) and the durable tier write (post-synthesis) — so the marker never surfaces or …\n\r\n### Inbound `api` surface (detailed)\r\n\r\nAll commands below are `api`-prefixed (machinery-facing). Every `api` invocation **and** every manifest carries a unified **`adapter_name`** string (e.g. `claude-spt`) identifying the owning adapter. This is load-bearing: one daemon hosts endpoints from multiple adapters (`claude-spt`, `spt-codex`, `spt-pi`), so the daemon resolves an endpoint's manifest + seams (history normalize-command, inject method, update avenue) by its `adapter_name`; adapter-update ripples target by it; capability lookup and telemetry key on it.\r\n\r\n<!-- [doc->REQ-API-4] -->\r\n**Manifest resolution from `--adapter` (since v0.8.0).** `spt api <cmd> --adapter <name[:profile]>` resolves the registered adapter's manifest, `:profile` overlay, and install dir from the registry when `--manifest` is omitted — a registered adapter's `api` calls need only `--adapter`. `--manifest <path>` becomes an optional **override** (an unregistered or local-dev manifest): when present, the manifest loads from that file and the install dir is its parent directory; when absent, both come from the registry record (the install dir is the record's precise `source_dir`). An unregistered adapter with no `--manifest` degrades to no-manifest rather than failing.\r\n\r\n- **`api bind`** — post-spawn boot bind (payload above). Skeleton→live.\r\n- **`api listen`** — *long-running* relay/poll listener that an adapter-owned (harness-hosted) session owns as a child process; streams the daemon's events to the session's stdout. Distinct from the short-lived `api poll`. This is the heir to today's Monitor-bound `$LIVE start` poll loop.\r\n- **`api poll`** — short-lived drain of queued messages for a session (the hook-injection delivery path). `--include-deferred` optionally also drains deferred rows, for adapter flexibility (default excludes them — KNOWN-HAZARDS 1.4/4.4).\r\n- **`api state <busy|idle>`** — adapter reports session activity; writes the activity/idle sentinel in the session perch. **The BUSY edge arms the echo-commune gate sentinel** (`.more-done`-equiv); `--no-gate` suppresses that coupling, and a standalone **`api echo-gate <set|clear>`** gives granular adapters explicit control over when echo communes may fire, independent of activity.\r\n  **ECHO CADENCE (ratified 2026-08-03, LOCKSMITH grill — releases#113; supersedes arm-on-idle):** the gate is armed on the **busy** edge and the **idle edge does NOT disarm it**. The echo **fires when the armed gate reaches the configured age, REGARDLESS of current activity state**, then resets the age and **re-arms only if the session is still busy**. Consequences that make this the ruled shape: a long autonomous turn ages out and echoes on its own, so cadence never depends on turn boundaries; and a short turn that went idle long ago is still echoed when its sentinel matures, so no work is left un-echoed. **Arming on the IDLE edge is the defect, not the design** — legacy SPT tied the sentinel to an end-of-turn hook and observed an **80-minute** un-echoed ga…\n- **`api worker-start`** / **`api worker-stop`** — Worker (subagent) perch create/teardown under the parent (nested, registry-tracked).\r\n- **`api worker-poll`** — a Worker (subagent) receives its queued messages (inbound from Self or sibling Workers).\r\n- **`api boundary <clear|compact>`** — context-boundary report; **carries the new `session_id`** (it rotates on `/clear` or `/compact`), so the daemon rebinds the perch to the new session id while keeping the stable identity + `parent_pid` anchor. Authors a **Self-resume commune** (resume the Self session → commune file-drop) rather than a background echo — strong live-context signal at the boundary (see `docs/CONTEXT-MEMORY.md`). **Rotation credential** (ADR-0032): the proof of association for this one verb belongs to the **departed** session (its sid, or the perch token) — the new sid is the *payload*, never the *proof* — so adapters persist the current sid across the rotation (endpoint-keyed adapter state, NOT per-session env) and present it; the design-t…\n- **`api session-end`** — session stop/crash report → soft teardown by default (preserve perch + spool + tracked history for recovery — KNOWN-HAZARDS 6.2). **`--erase`** instead hard-wipes the perch and tracked history (for ephemeral/secondary adapters that act as robust agent-spawned-agent surfaces).\r\n\r\n**`spt endpoint purge <id>`** (CLI, not `api`) — the standalone, formal **full teardown**: wipe an endpoint and *every* record keyed on it. It is the dev/CI sibling of `api session-end --erase` (which is adapter-triggered at session end); `purge` is the explicit operator/test command for clean setup-and-reset. **Deliberately NOT consent-gated** — a local dev/test op, never a peer-visible action. **Offline-only**: it refuses a live / daemon-hosted endpoint (deleting records out from under a running host would let the daemon re-create or re-host mid-purge); **`--force`** stops it first (→ the daemon reconcile un-hosts it and reaps its Psyche) and then purges. **`--yes`** skips the interactive confirm (the CI path); purge refuses removing the **caller's own run…\n_Avoid_: consent-gating it (it is intentionally ungated, for CI); treating it as a sync/remote op (local-only); a soft variant (purge is always the hard, full wipe — soft teardown is `endpoint stop`). **Read that soft/hard contrast on the RECORD axis only** (ADR-0045): `stop` is *record*-preserving (spool.db + info.json survive) where `purge` wipes them. It says nothing about processes — on the **process** axis `stop` is hard: for a broker-hosted endpoint it reaps the session and its descendant subtree, exactly like `shutdown`. \"Soft teardown\" never licensed a surviving host.\r\n<!-- [doc->REQ-ENDPOINT-PURGE] -->\r\n\r\n- **`api history-log`** — Path B: ingest normalized records into spt-core's native history store.\r\n- **`api presence`** — adapter reports user interaction → updates the presence datum `(last_active_node, last_active_endpoint, ts)`. In the spt-hosted topology, presence is **also** updated by the broker *detecting* (sensing, not watching/logging) user input on a held PTY — privacy-preserving (it notes that input occurred, records no content).\r\n- **`api emit --type <sensory_type> <payload>`** — a broker-launched **Shell** binary pushes a sensory payload to its owner agent (owner known from `api bind`; REST-only, never spooled). See the Shell model.\r\n\r\n**Not `api` commands — file-drop flow:** `commune` and `signoff` are deprecated as commands (modern SPT) in favor of file drops. The agent/adapter writes `<id>-commune.md` / `<id>-signoff.md`; the daemon watches the manifest-declared commune/signoff dirs (the spawn-session seam fields), ingests, and deletes (drop files are daemon-owned single-writer — KNOWN-HAZARDS 6.4). These stay off the `api` surface and the agent surface alike. **This path is the Self's, and spt-core's echo-commune never writes it** (operator-ruled 2026-09-06, releases#276): the echo's brief routes straight into the two-tier store on the fire. Until then core wrote its echo here too, and a second writer on a single-writer path overwrote unread Self communes — KNOWN-HAZARDS 6.12.\r\n\r\n### Startup flows (the two topologies)\r\n\r\n**Adapters never resolve `$SPT_HOME`.** spt-core install registers its binary directory on the system-wide PATH, so adapters call `spt api …` on any OS without path math. All harness↔daemon bridging goes through `spt api` commands (the daemon is always running, or auto-started — below), so there is **no adapter-written file** in the bind path.\r\n\r\n**Harness-hosted (e.g. spt-plugin; the harness binary is user-launched, harness is the parent).** Key constraint: the SPT *live agent* does not exist until the agent invokes start — the `live_id` isn't chosen at session boot, and `$LIVE start` is itself invoked *behind the Monitor tool*, so it becomes the long-running relay. So binding cannot happen at SessionStart directly. A **seed record** (daemon-held, in-memory — not a file) bridges the gap:\r\n1. The harness's SessionStart hook calls **`spt api seed --pid <parent_pid> --session-id <sid> [cwd]`**. The daemon records an ephemeral in-memory **seed entry** keyed by `parent_pid` — the session details the spt-hosted topology would share directly, minus the not-yet-chosen `live_id`. The seed is **adapter-agnostic**: it carries no `adapter_name`. <!-- [doc->REQ-START-5] --> *Which* adapter/profile a session belongs to is resolved later, at bind, as a read against the live registry (below) — so one SessionStart hook seeds correctly no matter which harness adapters are installed, and an `adapter add` after the seed is never missed. In-memory (not a file) avoids drive churn and the `$SPT_HOME` resolution nuisance; seeds are consumed within seconds, so persis…\n2. The agent runs `/spt:live <id>` → the adapter's `$LIVE start <id>` alias = **`$SPT listen <id>`** (= `spt api listen <id>`), invoked via Monitor. It self-discovers its `parent_pid`, the daemon matches the seed entry by that pid (validated against `session_id` to defeat PID-recycling — KNOWN-HAZARDS 5.1), **resolves the owning adapter/profile** (the bind-time resolution below), creates/revives the perch binding `live_id` ↔ session details, then enters the long-running relay loop streaming events to stdout.\r\n3. The always-on daemon holds the perch, spool, registry, and daemon-spawns the Psyche (via the spawn-psyche seam) — no separate wrapper. The relay is purely the delivery pipe.\r\n   - Seed entry refreshed on each SessionStart (keeps `session_id` current across `/clear`, since `parent_pid` is stable while the harness process persists). If a harness has no SessionStart-equiv, `start` may carry the details directly as args — the seed is the preferred convenience, not the only path.\r\n   - The same seed + bind-time resolution serves a **ReadyAgent** bringup (`$SPT ready`/poll), not just a LiveAgent — a harness-hosted ready agent is seeded and resolved identically (it just binds a poll listener, no Psyche).\r\n\r\n**Bind-time adapter/profile resolution (ADR-0021).** Because the seed is adapter-agnostic, `listen`/`poll` resolve the owning adapter/profile when they bind, as a pure read — never a seed-time snapshot that could drift. `--adapter <name[:profile]>` is an **optional override** on the `api` group (an explicit choice for adapter dev/iteration); omitted, resolution runs:\r\n1. the seed's `parent_pid` → that process's **executable basename** (case-insensitive, `.exe`-stripped);\r\n2. **candidate adapters** = registered `kind=\"harness\"` adapters whose **`host_binaries`** (the manifest match-key) contains that basename; <!-- [doc->REQ-MANIFEST-8] -->\r\n3. **profile**: the durable **active-profile pointer** (`spt adapter use <adapter>[:profile]` writes it; one default per `host_binary`) wins; unset → the freshest candidate adapter by `registered_at_ms`, base profile (a specific profile is only ever chosen by the pointer), name-ascending on ties; <!-- [doc->REQ-INSTALL-12] -->\r\n4. zero candidates → a friendly error naming the binary and the `--adapter` escape. The pointer is a standing user preference (durable on disk, never auto-written by install/update); the seed is ephemeral — see ADR-0021.\r\n\r\n**Daemon auto-start:** the daemon is per-machine always-on (OS-service registered), but any `spt api` invocation that needs it will **start it if absent** (fresh boot, crash, never-installed-as-service). `$SPT listen` for the first SPT session on a machine thus transparently spins up the daemon. Ensure-running lives in the `api` layer generally; `listen` is the reliable anchor.\r\n\r\n**spt-hosted (terminal wrapper / GUI launcher; the daemon launches the binary into a broker PTY):**\r\n1. The frontend/CLI launches the agent: the daemon runs the **spawn-session** command template into a broker-held PTY.\r\n2. The binary boots and fires **`api bind`** (or skips it under the strict UUID-injection + stable-pid commitment). **No catalyst/seed file** — the daemon is the launcher, already holds a direct channel (it spawned the process and owns the PTY), so a file round-trip would only add drive churn for no benefit.\r\n3. The daemon delivers events; method is **manifest-configurable per activity-state** — direct PTY injection, or a relay even here (some adapters prefer a relay over PTY injection for idle delivery), or HTTP. During *activity*, delivery still defaults to the non-disruptive hook-injection path, not raw PTY writes.\r\n4. Psyche is daemon-spawned, same as above.\r\n\r\nSo the old `$LIVE start` splits by topology: harness-hosted = SessionStart writes an adapter-agnostic seed → `$SPT listen <id>` consumes seed (by `parent_pid`) + resolves adapter/profile (ADR-0021) + binds + relays — legacy parity (`$LIVE start <id>` → `$SPT listen <id>`, no mandatory `--adapter`); spt-hosted = daemon spawn-session + `api bind` (direct, no file). The asymmetry is the file-bridge-only-when-no-direct-channel principle.\r\n\r\n**Env-var aliases:** adapters inject clean env-var aliases for in-session invocation (heirs to today's `$OWL`/`$LIVE`), e.g. **`$SPT` = `spt api`** so a Monitor-bound call reads `$SPT listen <id>`. spt-core supplies the subcommands; the adapter supplies the env aliases (manifest philosophy).\r\n\r\n### Endpoint types\r\n\r\nEach perch advertises an **endpoint type** — a tag that says what shape of entity lives at that perch and what operations it accepts. The set of day-one types:\r\n\r\n**ReadyAgent**:\r\nMinimal SPT participant — a perch + a poll listener, no Psyche, no live-agent wrapper. Direct heir to the sister project's \"ready agent\".\r\n\r\n**LiveAgent**:\r\nA Self with a Psyche companion. Composite logical actor; addressable as one ID, but its component perches (the Self's, the Psyche's) live independently. Direct heir to the sister project's \"live agent\".\r\n\r\n**Psyche**:\r\nThe Psyche companion's own perch, distinct from its paired LiveAgent's perch. First-class endpoint type so messages addressed to a LiveAgent's Psyche route directly without ambiguity. **A Psyche is a bounded per-event turn, not a resident process (since v0.25.0).** Each psyche-relevant event (a pulse fire, a commune/signoff drop, a session-custody transition) runs **exactly one** bounded turn through the psyche role template, spawned by the daemon, which exits at turn end — there is no long-lived psyche loop or psyche pid between events. <!-- [doc->REQ-PSYCHE-EPHEMERAL-DRIVER] --> **Liveness = turns succeed** — never a PID or a resident-process check. A Self perch is online-and-hosted whether or not any psyche turn is in flight; a psyche turn failure of any …\n\r\n*I/O & trust boundary (ADR-0012):* the Psyche is a **sandboxed** actor — it may read and write files but **cannot send messages or reach the network itself**. Its inbound context arrives two ways: events/messages the daemon hands it, and **commune/signoff file-drops** (Self → daemon → Psyche; the *Summarizer* authors the commune delta). Its **sole outbound** is **reply/notify intents** the daemon relays as its **outbound proxy** — emitted as `<EVENT type=\"reply\">`/`<EVENT type=\"notify\">` (the shared envelope grammar). A *reply* reaches **only the sender it answers**; a *notify* reaches **only the agent's own user** — the Psyche carries no target and cannot address arbitrary endpoints (the daemon strips/re-stamps `from=` before relaying).\r\n\r\n*Psyche-host health — harness-reachable failure signal (v0.8.1, REQ-HAZARD-LIVEHOST-BOOT-RACE):* a LiveAgent's `status=online` is daemon-authoritative liveness and **stays authoritative** — but it does not by itself prove the daemon hosted a Psyche. When the brain's live-host reconcile fails to spawn the Psyche (e.g. the adapter's psyche binary is absent from its install dir, or the net-less boot-race starves the host), that failure was previously **silent** — only an `eprintln!` on the brain's invisible stderr, while a harness (and a human via `spt endpoint list` / `whoami`) reads **perch state**, never brain stderr. The Self perch's `info.json` therefore carries an additive, N-1-safe `psyche_host_error` field (`{reason, ts, attempts}`): a **current-state**…\n\r\n**Summarizer**:\r\nThe ephemeral, cheap model that builds a **commune delta** from a Self's recent turns and feeds it *into* the **Psyche** as inbound context. A distinct actor from the Psyche — different (cheaper) model, fire-and-forget, **no perch** (not an endpoint type). It authors *commune* deltas only, **never** *reply*/*notify*.\r\n\r\n**AN ECHO COMMUNE IS NOT SURFACED INTO THE LIVE AGENT'S RUNNING CONTEXT** (ratified 2026-08-03, LOCKSMITH grill — releases#113). Its purpose is to keep the Psyche's durable *live-context* and *project-context* current — **which it now does directly**, routing the brief from the summarizer into those tiers on the fire rather than transiting a drop file (operator-ruled 2026-09-06, releases#276); mirroring the brief back to the Self spends the agent's context re-describing work it just did. The shipped `KIND_ECHO_MIRROR` context injection is therefore **retired** (it was spt-core behaviour legacy never had).\r\n\r\n**THE ONE DELTA THAT MUST REACH THE AGENT IS THE SESSION-BOUNDARY DELTA.** An echo also fires at a session boundary (clear / compact / harness-offline), capturing the delta from the last echo to the boundary edge — and that delta is **structurally guaranteed to be missing from the psyche context downloaded at the next session's start**, because generating it takes time the boundary does not wait for. So it is **delivered to the new session as a message with `--active-only` semantics** (it waits for the agent's own next active window and never interrupts a turn) rather than as a context injection. This is the one case where a resuming agent would otherwise resume without work it had just done.\r\n_Avoid_: conflating with the Psyche; \"echo-commune model\"; mirroring an echo brief into the Self's context; assuming the boundary delta rides the session-start psyche download (it cannot — it does not exist yet when that download is built).\r\n\r\n**Worker**:\r\nA subagent's perch under a parent LiveAgent. Created on subagent start, torn down on subagent stop. Replaces today's \"working perch\" concept; first-class type so cross-communication between a Self and its workers (and worker↔worker) is addressable.\r\n\r\n**SptNode**:\r\nA machine's participation in an SPT subnet, identified by an Ed25519 public key generated on first run. First-class so networking primitives can address nodes directly as message targets, not only as transport peers. The node identity and network endpoint are hosted by the machine's `spt-daemon` (see Networking), not a separate process.\r\n\r\n<!-- [doc->REQ-EP-6] -->\r\n**Gateway** (concept ratified 2026-06-11; registered via the open type system, first instance downstream):\r\nA **human-backed endpoint** — a user's specialized window into the subnet from a device or surface with no conventional-harness compatibility. Nothing LLM-shaped runs there; the intelligence at the endpoint is the **user**. Addressable like any endpoint (receives digests/messages, sends via the normal verbs) and may **own Shells** (it is an owning endpoint — see §Shell model). Distinct from a Shell: a Shell is *driven from elsewhere*; a Gateway *originates* interaction. No `tracked/` mind, no Psyche (LiveAgent affordances). First instance: the `spt-lecturn` adapter's Playdate endpoint (own repo).\r\n\r\n<!-- [doc->REQ-MSG-5] -->\r\nA message sent from a Gateway carries **the user's authority** — it *is* the user speaking through a device — and is delivered typed **`user-msg`** (ratified 2026-06-12) so receiving agents weight it as user instruction, not peer-agent chatter. The type is **identity-gated, never payload-trusted** (the KH 7.3/7.5 posture): the daemon permits `user-msg` only from user-backed origins (a Gateway endpoint, the local user's own CLI) and re-stamps an agent-family sender's `user-msg` down to plain `msg` — authority comes from who you are, not what you wrote.\r\n\r\n<!-- [doc->REQ-MSG-6] -->\r\n_Implemented posture_: the **local** user-backed origins are honored end-to-end — a locally-hosted Gateway endpoint (info.json `state=\"gateway\"`) and the local user's CLI (M9-T4/T5). The **cross-node WAN** path is being completed (trust posture **ratified 2026-06-13**): the **subnet membership boundary is the trust boundary**. A subnet is a collection of machines the user already trusts, so a `user-msg` arriving over the subnet from a **Gateway-typed** origin is honored as the user's authority; the daemon does **not** defend against a subnet member *forging* the Gateway type — an in-subnet compromise is out of scope by construction (if the subnet is breached at all, the trust model is already void). The origin's type is read from its advertised registry **`e…\n\r\nA Gateway endpoint binary is revived by **existing machinery only** (settled 2026-06-12, two corrections deep): while running, the bridged device's link liveness drives ordinary **instance state** (sustained device silence → dormant; device contact → active — the driver-attach rule). Across a node restart, revival rides a **co-located shell's wake-watcher** — the Gateway typically owns a shell instance on its own gateway host; that shell's offline wake-watcher (one of the two classes of third-party binary spt-core boot-launches — the other is the [[ResidentService]] supervised binary) holds the device-contact surface and fires the standard **wake resolution** (\"owner suspended → revive the owner\"). No Gateway-manifest watcher, no autostart flag, no new mecha…\n_Avoid_: calling a Gateway a Shell or an agent; \"console\", \"remote\".\r\n\r\n**PresenceChannel** (broker endpoint — concept locked, impl deferred past v1):\r\nA *broker* endpoint, not an interaction surface. Job: (1) **presence resolution** — track which node + endpoint the user most recently interacted with; (2) **shell brokering** — locate/instantiate the right Shell on that node and relay between the agent and the user. An agent \"just knows how to reach the user\" by firing at its PresenceChannel; the channel figures out the rest. Also a durable, **shell-agnostic 2-way thread**: messages persist in the channel, not in any one Shell, so the user can be sent a message via a phone messaging-Shell and surface/continue that same agent conversation later at a GameRobot Shell. Shells are interchangeable I/O windows onto the channel's thread.\r\n\r\nThree interaction styles:\r\n- **dispatch** — fire-and-forget: \"reach the user with this payload\"; channel delivers via the best available Shell.\r\n- **bind** — sustained drive: \"give me a Shell of capability X\"; channel instantiates and the agent drives it directly until teardown. Supports operating a *specific* Shell regardless of where the user currently is (agent transience).\r\n- **thread** — the persistent conversation that floats across Shells; the user can pick it up from any Shell, and 2-way payloads (text/audio/image/video, subject to the Shell's supported types) flow both directions.\r\n\r\nPresence datum: `(last_active_node, last_active_endpoint, timestamp)`. The `last_active_endpoint` field lets an agent choose between messaging that specific endpoint vs. driving a parallel instance of itself.\r\n\r\n**ResidentService** (concept ratified 2026-07-26, ADR-0049 — the supervised substrate; first consumer spt-alchemy's Hub Daemon):\r\nA **daemon-supervised binary an adapter declares, with no perch, no identity, no address.** Core owns the process from birth: the daemon spawns it **job-neutrally** (never a shell's child — a shell's tree-kill and a launching terminal's Job Object cannot reach it) and supervises it with the wake-watcher scaffolding (backoff, give-up latch, one-per-instance lock, orphan-kill, brain-side reconcile), running **independent of any agent's liveness**. Declared by the adapter manifest's **`[service]`** section; **one supervised instance per adapter-option** (`<adapter>[:profile]`). The start trigger is declared, not implied: **boot** (desired-state-running — reconciled toward running at daemon boot, at adapter registration against a live daemon, at update-hold rele…\n_Avoid_: calling it an endpoint (no identity, no address — that is the [[AlwaysOnEndpoint]] layered on top); calling it a Shell (owner-less, not driven); \"daemon\" unqualified (the node has one daemon; this is a supervised service under it); treating its supervision record as liveness truth (there is none — liveness is the child handle).\r\n\r\n**AlwaysOnEndpoint** (always-on endpoint; concept ratified 2026-06-21, re-based on the substrate 2026-07-26 per ADR-0049 — core kind, first instance downstream `spt-discord`):\r\nA **[[ResidentService]] that additionally fronts addressable endpoints** — resident, addressable, hosting no mind — unlike an *agent endpoint* (a hosted mind with a Psyche + `tracked/` context) and unlike a **Shell** (single-owner, *driven*). The substrate carries the process (supervision, cardinality, hold/quiesce, derived liveness — see [[ResidentService]]); the endpoint layer carries the address. It is **two-way addressable**: agents message it (to drive whatever external surface it fronts) and it messages out — notably it may call `endpoint wake <id>` to draw an offline agent online (wake authorization is **target-side**, so no special caller right is needed — see the wake-watcher/sleep-wake model). Its binary **self-manages its channel endpoints via the…\n_Avoid_: calling it a Shell (owner-less + not driven) or an agent (no mind); conflating it with its substrate (a ResidentService without the endpoint layer is deliberately faceless — the two-way requirement lives only here); a sleep/wake resting model (it does not rest).\r\n\r","truncated":true,"truncatedBy":"lines","totalLines":1267,"totalBytes":81537,"outputLines":300,"outputBytes":81537,"lastLinePartial":false,"firstLineExceedsLimit":false},"totalLines":1267,"displayContent":{"text":"# spt-core\r\n\r\n**Platform scope:** Windows + Linux for v1. macOS is out (no test machine available) but kept structurally easy — `portable-pty` and Iroh both support it, so macOS is a later test/CI-budget decision, not a re-architecture.\r\n\r\n**Legacy migration:** it should be possible — ideally *automatic* — for a user to migrate an existing `claude_skill_owl` (modern SPT) install to spt-core (identity, agents, tracked Psyche context). Exact mechanism deferred to design; the commitment is that migration is a first-class supported path, not a manual rebuild.\r\n\r\nHarness-independent core for the SPT ecosystem. Provides inter-agent messaging, live-agent lifecycle, terminal wrapping, self-update, and networking primitives — as both a Rust library workspace and a canonical reference binary. Designed so any agent runtime (Claude Code, Codex, Cursor, headless, future harnesses) can interface with the SPT ecosystem either by shelling out to the binary or by linking the crates directly.\r\n\r\nSuccessor to `claude_skill_owl` (today's \"modern SPT\"), which is being rebuilt as `spt-core` to untether the system from Claude Code and lift it to a general-purpose agent-ecosystem core.\r\n\r\n## Language\r\n\r\n**spt-core**:\r\nThe system. Canonical name. The Rust workspace and the umbrella project.\r\n\r\n**spt.exe / spt** (canonical binary):\r\nThe reference binary built from the workspace. Replaces today's `owl.exe`. Most external integrations (plugins, hooks, scripts in other harnesses) interact with spt-core *only* through this binary — fire-and-forget subcommands, long-running listeners under a parent harness's process supervisor, etc. Unix builds use the same name without `.exe`.\r\n\r\n**library workspace**:\r\nThe set of Rust crates that compose spt-core. Consumers that want a deeper integration than shelling out to `spt.exe` link these crates directly. The reference binary is itself a consumer of the workspace. The expected non-binary consumers are future first-party services that link Rust directly.\r\n\r\n**spt plugin** (separate downstream project — NOT an spt-core deliverable):\r\nA rebuilt version of today's Claude Code `spt` plugin. It is the **first consumer** built *atop* spt-core and the **acceptance proof** of spt-core v1 (it reaches feature parity with modern SPT while delegating all core functionality to spt-core, primarily via `spt.exe`, with deeper hooks where useful) — but it **lives and builds in its own repository, outside spt-core**. It is a Claude-Code-specific *adapter*: it holds the Claude Code conventions (hooks, slash-commands, skill/plugin layout, `claude` session-invocation). **spt-core itself contains zero Claude Code conventions** — only the harness-agnostic contract the plugin binds to. The only adapter-shaped artifact ever in this repo is a generic mock/test adapter exercising the manifest + `api` contract (PR…\n\r\n**Pi** (disambiguation — two meanings, never conflate):\r\n(1) **Pi, the coding agent/harness** (`badlogic/pi-mono`) — a harness example alongside Claude Code and Codex; this is the meaning in user-facing harness lists. (2) **Pi-class node** — Raspberry-Pi-class low-power hardware hosting a Shell-only or headless SPT node; an incidental hardware descriptor, never an explicit product example. Public-facing docs must disambiguate or avoid the bare word.\r\n_Avoid_: bare \"Pi node\" when the harness is meant.\r\n\r\n**spt-daemon** (per-machine supervisor):\r\nThe single always-on, one-per-machine logical supervisor. Owns the PTYs for all hosted sessions, the node's network identity + WAN endpoint, the subnet registry, all spools, **all poll-listener logic, and all Psyche/pulse loops** — everything is consolidated here (no separate poll-listener or Psyche-wrapper processes; listeners already touch sessions directly under capsule/idle, and Psyche wrappers already invoke harness binaries directly, so they belong in the one supervisor). Collapses what the sister project planned as a separate `spt-node` daemon into one process — see Networking. The `spt-node` separate-deliverable concept is retired.\r\n\r\n<!-- [doc->REQ-CLI-NODE-VERB-PRIMARY] -->\r\n**`spt node` (the CLI verb) is NOT the retired `spt-node` (the process)** — the two are different kinds of thing and must never be conflated. What is retired above is a separate *process* deliverable: a second daemon alongside `spt-daemon`, which this project collapsed into one supervisor. What `spt node` names is the *CLI verb* an operator types to run, stop, or read the state of that one supervisor on their machine (releases#112) — a vocabulary choice on the command surface, with no second process behind it. `spt daemon` remains a full alias of that verb, subcommand for subcommand, and is documented as deprecated rather than removed: installed OS service units and scheduled-task rungs already carry `spt daemon run`, and renaming a verb does not rewrite art…\n\r\nInternally the logical daemon is split into two implementation layers for seamless self-update (see Self-update):\r\n- **broker** (stable \"kernel\") — holds *only* the un-transferable, must-not-die resources: PTY master fds, the spawned harness child processes, and listening network sockets. Minimal, dumb, versioned local IPC. Almost never updates.\r\n- **daemon brain** (\"userspace\") — all logic (routing, registry, pulse/psyche loops, manifest parsing, update orchestration). Restarts freely on update; rehydrates from disk state and re-attaches to the broker's held handles.\r\n\r\nLogical addressing is unchanged — still one per-machine `spt-daemon`; the broker is an internal layer, not separately addressable. There is exactly **one broker per machine** (per `SPT_HOME`) — *not* one per endpoint: a single broker holds every hosted endpoint's resources, and it is present whenever the daemon runs, even with zero endpoints online (the bare-daemon case). It is therefore the always-present per-machine layer, which is why the single-daemon lock + liveness anchor belong to it.\r\n\r\n**in-session relay**:\r\nA thin, stateless `spt.exe` task that exists only in **harness-hosted** sessions (where the agent harness is the parent process and spt cannot reach into its process tree — today's Monitor model). It streams the daemon brain's events into the session's stdout. All *stateful* listener logic lives in the daemon; the relay is a dumb pipe, freely killable and respawnable. **spt-hosted** sessions need no separate harness-owned relay — the daemon owns the PTY and consumes the same poll feed itself. Idle delivery into an spt-hosted PTY goes through an opt-in adapter **translation binary** (`[message-idle-translation-binary]`, ADR-0022): a pure stdin→stdout filter spt-core lifecycle-manages — it reads the `<EVENT>` feed on stdin, emits keystroke-commands (`{key}`/`{…\n\r\n### Deliverable shape\r\n\r\nspt-core ships **both** a library workspace and a canonical binary:\r\n\r\n- **Library crates** — the deeper integration path. Used by future first-party services that link Rust directly.\r\n- **`spt.exe` / `spt`** — the canonical binary, built from the workspace. The primary integration path for harness plugins and external tooling, which mostly fire it as a subprocess at various surfaces (one-shot commands, poll listeners under a Monitor-tool-equivalent, hook tap-ins).\r\n\r\nBoth surfaces are first-class. Wire-protocol parity between them is a versioning concern from day one (a non-Rust client speaking to `spt.exe` and a Rust client linking the crates must see the same observable behavior).\r\n\r\n## Runtime model\r\n\r\nspt-core is harness-independent: it does not know about Claude Code, Codex, Cursor, or any other agent runtime. All harness-specific surfaces (how to invoke an agent session, fetch conversation history for an echo commune, detect activity/idleness, etc.) are abstracted behind a runtime layer that consumers supply.\r\n\r\n**AgentRuntime** (Rust trait, implementation detail):\r\nThe internal Rust abstraction over a harness. Anything spt-core needs to do *to* or *with* an agent goes through this trait. Most consumers never see it directly — they configure spt-core via a manifest, and spt-core's default `ManifestRuntime` implementation executes against the manifest.\r\n\r\n**harness contract** (umbrella term):\r\nThe full surface a harness binds to in order to participate in the spt-core ecosystem. Has two equally-important halves: the **runtime manifest** (outbound — how spt-core drives the harness) and the **subcommand surface** (inbound — how the harness reports events back to spt-core). A harness implementation is one TOML/YAML manifest + a binding from the harness's own hook system into `spt.exe <subcommand>` calls.\r\n\r\n**runtime manifest** (outbound half of the harness contract):\r\nA declarative configuration file (TOML/YAML — schema TBD) that tells spt-core how to drive a specific harness. Declares: how to invoke an agent session, how to look up conversation history for an echo commune, how to spawn/resume a Psyche-equivalent, which binary or command implements each harness-side operation, and which endpoint types this harness supports. spt-core is the actor for each of these; the manifest tells it what to do.\r\n\r\nExample shape (illustrative): `spt.exe --manifest spt-plugin.toml live start <id>`. A harness like the planned spt plugin wraps this invocation into the `$LIVE` / `$OWL` environment variables it injects into its sessions, so harness-internal callers continue to invoke `$LIVE` / `$OWL` unchanged.\r\n\r\n**subcommand surface** (inbound half of the harness contract):\r\nThe stable set of `spt.exe <subcommand>` entry points that harnesses bind their own hook systems to. When the harness's runtime emits an event (subagent started, tool just invoked, user typed `/clear`, session crashed), the harness's hook fires a short-lived `spt.exe <subcommand>` invocation that mutates on-disk SPT state (perch registry, spool, etc.). spt-core publishes this surface; harnesses author the bindings.\r\n\r\n**Naming convention:** these inbound, machinery-facing commands are prefixed **`api `/`api-`** (e.g. `spt api bind`, `spt api state`) to distinguish them from the agent-facing verbs an agent invokes directly (`send`, `ring`, `ready`, …). The `api` namespace is the harness/adapter commands-API; the unprefixed namespace is the agent surface.\r\n\r\nTogether: manifest + subcommand surface = the complete harness API. A sidecar-style long-running adapter process speaking a wire protocol is explicitly **deferred** as a possible v2 alternative for harnesses that outgrow the manifest+hooks shape (e.g. need streaming or in-memory state across events). Not built day-one.\r\n\r\n**adapter manifest header** (`adapter_name` + version compat):\r\nEvery manifest declares a unified **`adapter_name`** (e.g. `claude-spt`), carried on every `api` invocation too. It is load-bearing: one daemon hosts endpoints from multiple adapters, so it resolves an endpoint's manifest + seams by `adapter_name`; adapter-update ripples target by it; capability/manifest lookup and telemetry key on it. The header also declares the adapter's own version and a **`min_spt_core_version`** — the minimum spt-core the adapter requires. This declaration must be **readable before an adapter update is applied** (it lives in the manifest header / a small metadata file fetched first), so spt-core can verify compatibility / expected supported features *before* committing the update. If spt-core is below the adapter's `min_spt_core_versio…\n\r\n<!-- [doc->REQ-MANIFEST-2] -->\r\n**adapter profile** (ratified 2026-06-11, Gateway grill; future spt-core milestone — first beneficiaries `spt-claude-code` and the usbip shell):\r\nA named **sparse overlay** on its parent adapter manifest. Merge semantics are **leaf-replace**: a profile key replaces the whole value at that path (arrays included — never spliced or appended). The merged result is a complete manifest, and the profile behaves as a distinct adapter option everywhere: canonical addressing is the composite **`<adapter>:<profile>`** (`claude-spt:work`, `spt-usbip-driver:hid-only`) in every place a bare `adapter_name` rides today (perch `info.json`, capability resolution, `api` invocations, `spt adapter list`); the bare name = the parent unmodified. **Two sources, one semantics:** a **shipped profile** is declared inside the parent manifest by the adapter dev and updates as one unit with it; a **local profile** is a node-local …\n_Avoid_: \"manifest fork\", \"child adapter\", per-profile versioning.\r\n\r\n**adapter strings** (ratified 2026-06-11, Gateway grill):\r\n<!-- [doc->REQ-MANIFEST-3] -->\r\nA `[strings]` manifest section — an adapter-authored JSON/TOML KV tree, dot-path-readable by anything on the node via `spt adapter get-string <adapter-option> <key.path>` (e.g. a harness hook fetching per-profile `additionalContext` — one hook script serves every profile, only the data differs). Resolution rides the **same leaf-replace profile overlay** as the rest of the manifest: a shipped or local profile may override base strings; `get-string` returns the merged view for the named adapter option. **Strings are data only** — nothing in spt-core ever executes a string (command templates live in manifest sections behind registration, never in the KV). Node-local like the registration itself; no cross-node sync. `set-string` is sugar that edits a **local** p…\n<!-- [doc->REQ-MANIFEST-5] -->\r\n**File-backed strings** (M12-W3): a `[strings]` value MAY be a **file pointer** instead of an inline literal — a value-position table with **exactly one** key `file`: `skill = { file = \"skill.md\" }`. `get-string` resolves it to the file's **contents** (so large bodies — skill-instructions, hint text — stay out of the manifest). The exactly-one-key rule is the disambiguation: any other table shape stays an opaque nested strings tree (existing trees untouched), and `{ file = … }` is reserved as the pointer form (it can't double as inline data). Files live in the adapter's per-adapter aux dir **`adapters/<adapter>/strings/`** (sibling of `profiles/`), referenced by a path relative to it that **must stay inside that dir** (HAZARD-class containment: `..` traversa…\n_Avoid_: treating strings as config knobs for spt-core itself (those are global settings); \"adapter KV store\" as a separate registry; putting user files in the adapter-shipped `strings/` dir (clobbered by updates — use a local profile).\r\n\r\n**manifest substitution in `[strings]`** (ratified 2026-06-25, v0.16.0 update-arc grill):\r\n`get-string` resolves a set of **adapter-static** substitution keys inside a returned string value at **read time** (lazily, like file-backed strings): **`{adapter_dir}`** — the registry record's precise `source_dir` (the install dir; survives updates; the same dir bare-program resolution already uses) — and **`{adapter_name}`**. Session-scoped keys (`{id}`/`{session_id}`/…) are **not** available: `get-string` carries no session context today, and a `get-string --session-id` for session-scoped substitution is a deferred, larger change. The load-bearing invariant is preserved: **spt-core still never executes a string** — it substitutes and returns; the *adapter's own wrapper* executes the result. Canonical use: a harness hook dispatcher resolves its own packe…\n_Avoid_: session-scoped substitution through bare `get-string`; reading this as spt-core executing a string (it never does — the adapter wrapper executes the resolved value).\r\n\r\n**keyword hints** (ratified 2026-06-12 — core milestone A):\r\n<!-- [doc->REQ-MANIFEST-4] -->\r\nOnce-per-session usage/syntax hints, a first-class adapter feature: the manifest's `[hints]` section declares entries of `{keywords (literal default, regex opt-in), text}`; the adapter's user-prompt hook pipes the **full user message** to `spt api hint --session <id>` (stdin) and receives matched hint lines (`keyword hint for SPT adapter <name>: \"<kw>\"-->{text}`) for its context-injection channel. The daemon keeps a per-session seen-set — each hint fires **once per session** (a `/clear` mints a new session, naturally re-arming) — and emits at most **one hint per message PER SOURCE**. **The per-source cap AMENDS BY REPLACEMENT the original global one-per-message clause (releases#133, gater-ruled 2026-08-30), and the authority chain is this:** the global claus…\n_Avoid_: unconditional static context (that's the adapter's own preamble); firing per-message.\r\n\r\n**shell keyword hints** (releases#133, operator-GREENLIT; shape ruled 2026-08-30):\r\n<!-- [doc->REQ-SHELL-HINTS] -->\r\n`[[hints]]` was never harness-only — it is a top-level manifest section with no kind gate, so a `kind = \"shell\"` adapter has always been able to declare hints; what was missing was a reader, because the only reader resolved the endpoint-bound manifest. The now-signal **HINTS** category now also reads the shell adapters an endpoint can see, one line each under the per-source cap above. **Two arms, decided by INSTANTIATION and never by link state:** an adapter this owner holds an instance of surfaces the **full** hint text — whether that instance is online or offline — and an adapter with no instance surfaces only a **teaser** naming the trigger keyword and the command that shows the text (`spt adapter hints <adapter[:profile]>`, which resolves the merged view…\n_Avoid_: gating the shell arm on the harness manifest (an endpoint with no bound manifest still owns shells); filtering the full arm on online/offline; naming a surfacing command that does not exist at the shipping head.\r\n\r\n**adapter update declaration** (manifest field):\r\n<!-- [doc->REQ-UPD-9] -->\r\nEach adapter manifest declares how spt-core should *ripple-update the adapter itself* (see Self-update). One of: **file-pull** (a plugin-directory lookup regex + a gh repo for the adapter's latest files — spt-core fetches + swaps), **delegated command** (a binary command the adapter owns, e.g. `claude.exe plugin update` — spt-core invokes it), or **gh_release** (the adapter ships its updates from its own GitHub releases). After initial bootstrap, the plugin no longer self-manages updates; spt-core conducts them. The **gh_release** avenue (since v0.8.0) declares `repo = \"user/repo\"` (plus an optional release `asset`, default `adapter.spt`, and an optional Ed25519 `signing_key`): spt-core compares the repo's latest GitHub release version against the installed …\n\r\n**adapter packaging & live update** (v0.13.2; ADR-0024, ADR-0025):\r\n<!-- [doc->REQ-ADAPTER-GH-TRANSPORT] -->\r\nA `.spt` may be **multi-platform**: shared `manifest.toml` + `strings/` at the root, role binaries under per-target-triple subdirectories (`x86_64-pc-windows-msvc/`, …); install/update extracts the shared root plus only the current node's triple, flattened into `install_dir`, so flat `<install_dir>/<program>` resolution is unchanged. It stays one signed asset (`adapter.spt`, plain-tar or gzip); a multi-platform archive missing the recipient's triple is a typed `NoArtifactForPlatform`. Large adapters may still split per-platform. The `gh_release` fetch transport is **`auto`** by default — the pre-authorized `gh` CLI when available (the path for **private** adapter repos: `gh` honors both OAuth and `GH_TOKEN`, so spt never custodies a token), else direct HTTPS…\n<!-- [doc->REQ-ADAPTER-UPDATE-MESSAGE] -->\r\nAn optional **`[update].message`** (avenue-agnostic) is a plain multi-line operator notice surfaced to stdout, markdown-rendered (the helpfmt prose path), **only when an update is actually applied** (the version changed) — never on a no-op. It is read from the newly-installed manifest with no `{key}` substitution; its use is to announce a post-update action (e.g. \"run `/reload-plugins` in any ongoing sessions\").\r\n\r\n**composite update — `[update.post]`** (ratified 2026-06-25, v0.16.0 update-arc grill; ADR-0029):\r\nAn optional **avenue-agnostic** post-step `{ command, self_verifies }` spt-core runs **after** the primary avenue resolves — in the same `spt adapter update` **and at `spt adapter add`** (install is the first update, so a fresh install conducts the post-step too; bug-#1 operator ruling, v0.19.0 — the eager-extract acquisition runs it post-registration, a delegated acquisition after the acquisition succeeds, and only the payload-less `file_pull` PENDING add defers it to the payload's arrival) — so one lever pulls the adapter `.spt` (`gh_release`) **and** runs a delegated reconcile (e.g. an adapter's `claude plugin update` cross-platform binary). It runs **foreground and bounded** (the subprocess-timeout hazard bound, 120s; never backgrounded — when the CLI re…\n\r\n**resident adapter binary**: an adapter-owned process spt-core keeps alive for an endpoint's lifetime (today the `[message-idle-translation-binary]`), as opposed to **ephemeral** adapter binaries — the Psyche loop (daemon-hosted, ADR-0004), the `[digest]` extractor, `[session.*]` runners, hooks — which spawn on demand and pick up an update on their next invocation. Only resident binaries are stopped/restarted on a live update; ephemerals self-heal.\r\n_Avoid_: calling the Psyche loop or an on-demand extractor a \"resident\" binary; \"restart the endpoint\" for what is a per-binary cycle.\r\n\r\n**session-invocation declaration** (manifest field, noted for spt-plugin parity):\r\nHow the harness spawns agent sessions, including Psyche and echo-commune sessions. For the rebuilt spt-plugin, Psyche and echo communes must migrate **off `claude -p`** (imminent Claude Code billing changes) to headless `claude` sessions (`--resume` for the Psyche). This is an adapter/manifest concern, not a core concern, but the parity milestone must carry it.\r\n\r\n### Manifest seams (outbound contract, detailed)\r\n\r\nGoverning principle: **SPT is not a harness.** Model choice, billing shape, harness-internal env, and harness-internal context are entirely the adapter's concern, expressed inside the adapter's own command templates. spt-core owns only the template *mechanism* (substitution keys), the substitution *values* it is responsible for, and the surrounding lifecycle. Env for the *endpoint binary itself* is auto-handled by spt-core/broker; env for the *agent running inside* that binary is the adapter's config (e.g. the CC plugin config).\r\n\r\n**spawn-session seam** — launch a new agent session on this node. Manifest provides: a command template; `cwd`/project; a `headless` flag (optional, default false — for the GUI's resume-of-compatible-adapters); a `resume` flag (optional); and the `commune` + `signoff` file directories relative to `cwd` (so the daemon knows where to watch). Substitution keys spt-core can supply: `{id}` and, optionally, a spt-core-generated valid session UUID (e.g. injected as `--session-id {uuid}`) so an adapter can skip the post-spawn seam. spt-core does **not** inject: harness-internal env (broker handles binary env; adapter handles in-session env), and **no initial-context handoff** (not needed at start — the agent is prompted for context once its session is up; the first …\n- **id resolution:** `id` is optional. With no id, spt-core reproduces today's no-id `/spt:live` behavior — run the lone live agent if that's all the project has; show a picker with proposed default IDs if the project has none; let the user choose if there are several.\r\n\r\n**post-spawn seam** — the just-launched binary calls an spt-core command on boot (via the adapter's SessionStart-equivalent hook) to bind itself. Needed because the harness's own session id usually isn't known until after the binary runs. Payload: the harness `session_id` (when binary-generated rather than spt-core-injected); the `parent_pid` (the stable session-binding anchor — see KNOWN-HAZARDS 2.1); an endpoint identity/type confirmation; optionally a local HTTP port the binary listens on (for HTTP-mode input delivery, below); and a **boot nonce** (a generation/boot discriminator so a respawn-after-crash bind can't be confused with a stale duplicate — guards KNOWN-HAZARDS 2.4). The call flips the perch from skeleton → live.\r\n\r\n**post-spawn is optional only under a strict commitment:** an adapter may forgo post-spawn *only* if it (a) injects the spt-core-generated session UUID at spawn AND (b) guarantees the launched-process pid IS the stable session-binding anchor (no wrapper-script / subprocess pid indirection). If either does not hold, post-spawn must fire to report `session_id` and/or `parent_pid`. UUID-injection alone suppresses only the `session_id` reporting, not the binding.\r\n\r\n**spawn-psyche seam** — two command templates: fresh-start and resume (the resume template includes `$session_id`). Both include `$psyche_prompt` — the revival essentials spt-core feeds the Psyche (timestamp, incoming event envelope). Everything else is the adapter's: model selection (in its template), and any harness-specific instructions the Psyche needs (Write-tool usage, commune dir) supplied as a static preamble before `$psyche_prompt` or as adapter SessionStart additionalContext. spt-core owns `$psyche_prompt` content; the adapter owns the rest.\r\n\r\n**history subsystem** (covers echo-commune source logs, resume briefs, and Shell logs) — two supported paths:\r\n- **Path A — adapter-owned logs.** Manifest declares a locate-template (keyed by `$session_id`) + a **normalize-command the adapter owns** that emits spt-core's expected normalized format. spt-core docs must teach adapter devs how to build a conformant parser.\r\n- **Path B — spt-core-native history store.** spt-core exposes a `history-log` command/API; the adapter writes its logs to spt-core in the native format and spt-core stores them. Rationale: spt-core needs its own log store for Shells anyway, and this simplifies integration for flexible/DIY harnesses.\r\n- The **echo-commune seam** is then just a command template (adapter picks the model) that consumes whichever history path is configured for the session.\r\n- **Why adapter-owned normalize over spt-core built-in parsers** (grounded in a Codex-CLI vs Claude-Code comparison): transcript formats diverge sharply and move fast. Claude Code = one flat JSONL per session, project-partitioned, locatable directly from the session id (`~/.claude/projects/<hash>/<id>.jsonl`). Codex = date-partitioned **rollout files** (`~/.codex/sessions/YYYY/MM/DD/rollout-<ts>-<id>.jsonl`) where the id is only a filename *substring* (must recursive-glob to locate), a **3-level tagged envelope** (`{timestamp,type,payload}` → tagged `ResponseItem` → tagged `ContentItem` with distinct `input_text`/`output_text`), tool calls as separate top-level items, a **second SQLite index that can desync from the files**, Limited/Extended persistence mode…\n- **Profile-relocated transcript roots — env-read capture** (ratified 2026-06-30, counter-38 field-bug grill; supersedes a rejected harness-specific `{config_dir}` proposal): a Path-A locate-template (and the `[digest].source` that reuses it) may reference a manifest-declared **`[env.<VAR>] direction = \"read\"`** var (e.g. `{CLAUDE_CONFIG_DIR}`). spt-core captures the **declared** read-vars — an explicit allowlist, never the whole env — from the session's launch environment at **bind** (the only point the env is present; the ephemeral `[digest]` extractor runs later in the daemon context where it is gone), persists them in the perch, and substitutes them into the locate-template + the extractor's env at digest time. The var's **fallback** is the `[env]` direc…\n- **`[digest]` mirrors history's two strategies — locate ownership** (ratified 2026-06-30, counter-38 W6 design-gate): like `[history]`, `[digest]` supports **`fetcher`** (the adapter's extractor **locates + reads + emits** normalized digest records; spt-core runs it bounded and consumes its stdout, doing **no** locate and **no** pre-read) alongside the original **`locate_normalize`** (`source` template → spt-core locates a **single** file + reads + pipes the bytes to the extractor as a pure stdin→stdout normalizer). The pre-read `locate_normalize` mode only works when the transcript is a **single fully-templatable path**; a **partitioned** layout — CC's project-slug subdir (`projects/<munge(cwd)>/<id>.jsonl`) or Codex's date-glob (`must recursive-glob to lo…\n\r\n**activity/idle detection** — **not** PTY-quiescence (insufficient: e.g. CC's AskUserQuestion stalls the PTY while holding stdin and needing nuanced input) and **not** a manifest-declared idle signal. Instead, the adapter calls spt-core activity/idle commands at the right moments (from its hooks); those commands manage activity/idle **sentinels inside the session perch**. The idle state lives in the perch, owned by spt-core via the commands API exposed to adapter devs.\r\n\r\n**activity observation** (ruled 2026-07-24, rebound grill) — two avenues, deliberately split by consumer class; the digest is **not** one of them (it stays a content surface). **Push (shells only):** an owned Shell observes its *owner's* busy/idle transitions as an **activity frame** on the existing shell-link event stream — link-scoped (owner implied by the link token), **drive-class semantics** (ephemeral, latest-wins, current-state-carrying; a redundant same-state resend is a harmless no-op — the consumer derives edges), current state re-emitted on every (re-)link so a restart resynchronizes for free. Never spooled or replayed: stale transitions are actively wrong. Delivery promise is **bounded observation** — a frame per transition, sub-second class, nev…\n\r\n**inject-input seam** — message delivery into a running session. Configurable per activity-state (activity / idle / both); multiple methods, any combination:\r\n- PTY injection (with or without key/submit sequences) — spt-hosted topology;\r\n- adapter hooks calling spt-core poll commands;\r\n- an in-adapter-session child relay (à la CC's Monitor tool);\r\n- adapter manifest requesting HTTP POST delivery to the endpoint binary on a local port (shared via the post-spawn seam).\r\nNote: even spt-hosted sessions default to hook injection (or the adapter's equivalent) as the non-disruptive path **during activity**; some adapters prefer the in-session relay regardless of topology.\r\n\r\n**activity-gated delivery** — an inbound message routes by the receiver's activity sentinel (above). While the endpoint is **active**, the message spools for the receiver's own hook-poll to drain (non-disruptive — the *active window*). On **idle** (or an idle transition before a hook drains it), it delivers immediately — translation binary (spt-hosted) → relay-poll (either topology) → spool, in that fallback order (the *idle window*). The send-side axes below modulate which of these two windows a message is eligible for.\r\n\r\n**message delivery axes** — a sent message carries independent modifiers on orthogonal axes; it is **not** a single \"type\". The flag on each axis defaults to the unrestricted value:\r\n- **delivery window** (*when*) — **default** (both windows; delivers in whichever fires first) · **idle-only** (held for the idle window; delivered immediately if already idle) · **active-only** (active window only — the receiver's hook-poll; never wakes an idle agent). *active-only* is the renamed legacy **deferred** (the `deferred=1` spool column + `api poll --include-deferred` are its internal/adapter-facing names). Mutually exclusive.\r\n- **channel restriction** (*through what*) — **unrestricted** (any configured inject method) · **prefer-native** (the translation binary if one is running, else fall back to the standard methods) · **force-native** (the translation binary and nothing else — no fallback, no spool-to-another-method). Mutually exclusive; composes with the window. *\"Native\"* = the `[message-idle-translation-binary]` PTY channel.\r\n- **persistence** (*how long it waits*) — **durable** (default; spooled until delivered or TTL) · **ephemeral** (dropped if it cannot deliver in its accepted window — at the moment the window opens with no live carrier, or at TTL, whichever is first). Ephemeral is the **only** path permitted to drop silently (the REQ-HAZARD-IDLE-SILENT-NONDELIVERY carve-out); every non-ephemeral path spools and reports non-delivery. <!-- v0.15.0 PARTIAL (W3): ephemeral evaporation covers the spt-hosted-binary no-carrier-at-window leg (the idle-transition drain drops ephemeral rows the binary cannot take) + the TTL leg (purge). The harness-hosted relay \"window opens with no live *listener*\" leg is NOT yet delivered — it needs relay carrier-presence detection (same separate-co…\nWindow restricts *when* delivery is accepted, channel restricts *which method* carries it, persistence restricts *how long* it waits — they compose freely (e.g. `force-native` + `active-only` = the binary injects during the active window, never idle; `force-native` + `ephemeral` = binary-or-nothing).\r\n\r\n**message metadata (`json`)** — a sender may attach an opaque JSON metadata block (`--json-payload`), carried as a single attr-escaped `json=\"…\"` envelope attribute **alongside** (never replacing) the body. spt-core never interprets it — pure verbatim passthrough across every rail (spool / TCP / WAN / EVENT-PART), parsed only by the receiving adapter (its hooks and/or translation binary). Collision-proof by construction: the structured data lives **inside** the single `json` value, so it can never forge spt-core's control/identity attributes (`from`, `type`, …). Available to any sender — it confers no spt-core authority; what a custom field *means* is the receiving adapter's trust decision (the same posture as `from`-is-never-payload-trusted).\r\n\r\n**resume-session seam** — two distinct forms:\r\n- **fresh-with-preload:** resume with *cleared* context (a fresh session) + psyche-download. Accepts a `$psyche-context` key to launch the fresh session with the psyche-download preloaded — or the adapter instead pulls it via an spt-core command in its SessionStart hook. <!-- [doc->REQ-RESUME-CONTEXT-PULL] --> That command is **`spt api psyche-download <id> [--session-id <sid>]`**: it emits the durable resume brief (role → live-context → project-context, project resolved from the perch's bound cwd) to stdout for the adapter's SessionStart hook to inject as additional context, and APPENDS any **not-yet-synthesized** commune/signoff drop as a `<pending-commune>`/`<pending-signoff>` slice AFTER the durable tiers — closing the window where a just-dropped commune…\n- **continue-existing:** resume an existing harness session under the adapter (its native resume).\r\n\r\n**capability declaration** — which endpoint types a harness/node can host (a Pi node might host only Shells, never a LiveAgent). Static manifest list, consumed by the subnet registry so a node advertises its hostable types. Exact shape is design-open.\r\n\r\n**adapter-update seam** — file-pull or delegated-command (see Self-update). Locked.\r\n\r\nThere is no separate \"model/billing\" seam — those live inside the adapter's spawn/psyche/echo command templates. SPT never selects a model. The full manifest schema is `docs/MANIFEST.md`; key model-level facts from it:\r\n\r\n- **Command templates are opaque.** spt-core never parses out a model/tool/flag — the adapter writes the whole command line; spt-core fills substitution keys and runs it.\r\n- **A command template's program token resolves against the adapter install dir before PATH (since v0.8.0).** A `.spt` adapter ships its built binaries to the adapter's install dir (`adapters/_github/<safe>/` via `--release`/`--github`, or the record's `source_dir` under copy-mode), so a bare program name (e.g. `claude-spt-digest …`) binds to the shipped binary first and falls back to PATH when absent — a `.spt` that ships its binaries is **self-contained**, needing no PATH placement. <!-- [doc->REQ-INSTALL-11] --> Applies to the `[digest]` extractor, the `[session.psyche_init]` runner, and the `adapter digest-proof` tool; the install dir is the registry record's `source_dir` (precise) for the daemon-resolved paths — the `[digest]` extractor and the daemon-h…\n- **Hook output capability is declared per harness-event** (`can_inject`). CC's Stop hook cannot inject context — that single fact drives the echo-gate sentinel + relay fallback. The manifest expresses it so spt-core knows when to fall back.\r\n- **Env injection is asymmetric** (file-bridge-only-when-not-launcher, applied to env): spt-hosted sessions inherit env from the broker that spawns them; harness-hosted sessions need the harness's declared env channel. With `spt` on PATH the env table is small.\r\n- **Cross-adapter fallback** is a **node-wide setting**, not a manifest field: if a Psyche/echo invocation under one adapter is rate-limited, spt-core falls back to another adapter (e.g. `ccs` — its own adapter, not a binary-swap). <!-- [doc->REQ-MANIFEST-6] --> A fallback **target is addressed as `<adapter>:<profile>`** (not just a bare adapter_name) and resolves through the one composite-addressing resolver (`registry::resolve_option`), so a fallback may select a shipped or local profile (`ccs`, `ccs:<profile>`) exactly as any other adapter-option read site does. *Contract only at M12-W3 — the addressing resolves; the node-wide setting + its rate-limit invocation belong to the consuming milestone (no reader exists yet, so no config field is added).* Adapte…\n- **Config knobs** (pulse period, echo-commune window/gate, route-guard window, daily refresh) are spt-core **global settings** with optional **per-endpoint override**. **An adapter may DECLARE A DEFAULT, never an override** (narrowed 2026-08-03, LOCKSMITH grill — the original \"never per-adapter\" wording is superseded): a harness has real information about its own turn shape and cost, but the operator keeps the last word. Precedence, highest first: **per-endpoint override → node/global setting → adapter-manifest default → core default.** Storage follows the ratified `auto-suspend-after` chain (REQ-INST-3): the endpoint leg is an optional `PerchInfo` field in `info.json`, the node leg is `daemon.json`, absent ⇒ inherit the next rung, and `0` ⇒ explicitly OFF …\n- **Event-block vocabulary and file-drop filenames are fixed spt-core constants** (documented for adapter authors), not manifest-configurable. <!-- [doc->REQ-RESUME-CONTEXT-PULL] --> This includes the **checkpoint sentinel `!!checkpoint!!`** — the agent-checkpoint trigger an adapter embeds in a commune/signoff drop body (one bare token = checkpoint with default wake; a `!!checkpoint!! <text> !!checkpoint!!` pair makes the inter-marker text a custom wake directive). It is spt-core control metadata: spt-core STRIPS every occurrence (keeping the inter-marker text) before the drop body reaches agent context, at BOTH points it can — the resume `<pending-*>` presentation (pre-synthesis) and the durable tier write (post-synthesis) — so the marker never surfaces or …\n\r\n### Inbound `api` surface (detailed)\r\n\r\nAll commands below are `api`-prefixed (machinery-facing). Every `api` invocation **and** every manifest carries a unified **`adapter_name`** string (e.g. `claude-spt`) identifying the owning adapter. This is load-bearing: one daemon hosts endpoints from multiple adapters (`claude-spt`, `spt-codex`, `spt-pi`), so the daemon resolves an endpoint's manifest + seams (history normalize-command, inject method, update avenue) by its `adapter_name`; adapter-update ripples target by it; capability lookup and telemetry key on it.\r\n\r\n<!-- [doc->REQ-API-4] -->\r\n**Manifest resolution from `--adapter` (since v0.8.0).** `spt api <cmd> --adapter <name[:profile]>` resolves the registered adapter's manifest, `:profile` overlay, and install dir from the registry when `--manifest` is omitted — a registered adapter's `api` calls need only `--adapter`. `--manifest <path>` becomes an optional **override** (an unregistered or local-dev manifest): when present, the manifest loads from that file and the install dir is its parent directory; when absent, both come from the registry record (the install dir is the record's precise `source_dir`). An unregistered adapter with no `--manifest` degrades to no-manifest rather than failing.\r\n\r\n- **`api bind`** — post-spawn boot bind (payload above). Skeleton→live.\r\n- **`api listen`** — *long-running* relay/poll listener that an adapter-owned (harness-hosted) session owns as a child process; streams the daemon's events to the session's stdout. Distinct from the short-lived `api poll`. This is the heir to today's Monitor-bound `$LIVE start` poll loop.\r\n- **`api poll`** — short-lived drain of queued messages for a session (the hook-injection delivery path). `--include-deferred` optionally also drains deferred rows, for adapter flexibility (default excludes them — KNOWN-HAZARDS 1.4/4.4).\r\n- **`api state <busy|idle>`** — adapter reports session activity; writes the activity/idle sentinel in the session perch. **The BUSY edge arms the echo-commune gate sentinel** (`.more-done`-equiv); `--no-gate` suppresses that coupling, and a standalone **`api echo-gate <set|clear>`** gives granular adapters explicit control over when echo communes may fire, independent of activity.\r\n  **ECHO CADENCE (ratified 2026-08-03, LOCKSMITH grill — releases#113; supersedes arm-on-idle):** the gate is armed on the **busy** edge and the **idle edge does NOT disarm it**. The echo **fires when the armed gate reaches the configured age, REGARDLESS of current activity state**, then resets the age and **re-arms only if the session is still busy**. Consequences that make this the ruled shape: a long autonomous turn ages out and echoes on its own, so cadence never depends on turn boundaries; and a short turn that went idle long ago is still echoed when its sentinel matures, so no work is left un-echoed. **Arming on the IDLE edge is the defect, not the design** — legacy SPT tied the sentinel to an end-of-turn hook and observed an **80-minute** un-echoed ga…\n- **`api worker-start`** / **`api worker-stop`** — Worker (subagent) perch create/teardown under the parent (nested, registry-tracked).\r\n- **`api worker-poll`** — a Worker (subagent) receives its queued messages (inbound from Self or sibling Workers).\r\n- **`api boundary <clear|compact>`** — context-boundary report; **carries the new `session_id`** (it rotates on `/clear` or `/compact`), so the daemon rebinds the perch to the new session id while keeping the stable identity + `parent_pid` anchor. Authors a **Self-resume commune** (resume the Self session → commune file-drop) rather than a background echo — strong live-context signal at the boundary (see `docs/CONTEXT-MEMORY.md`). **Rotation credential** (ADR-0032): the proof of association for this one verb belongs to the **departed** session (its sid, or the perch token) — the new sid is the *payload*, never the *proof* — so adapters persist the current sid across the rotation (endpoint-keyed adapter state, NOT per-session env) and present it; the design-t…\n- **`api session-end`** — session stop/crash report → soft teardown by default (preserve perch + spool + tracked history for recovery — KNOWN-HAZARDS 6.2). **`--erase`** instead hard-wipes the perch and tracked history (for ephemeral/secondary adapters that act as robust agent-spawned-agent surfaces).\r\n\r\n**`spt endpoint purge <id>`** (CLI, not `api`) — the standalone, formal **full teardown**: wipe an endpoint and *every* record keyed on it. It is the dev/CI sibling of `api session-end --erase` (which is adapter-triggered at session end); `purge` is the explicit operator/test command for clean setup-and-reset. **Deliberately NOT consent-gated** — a local dev/test op, never a peer-visible action. **Offline-only**: it refuses a live / daemon-hosted endpoint (deleting records out from under a running host would let the daemon re-create or re-host mid-purge); **`--force`** stops it first (→ the daemon reconcile un-hosts it and reaps its Psyche) and then purges. **`--yes`** skips the interactive confirm (the CI path); purge refuses removing the **caller's own run…\n_Avoid_: consent-gating it (it is intentionally ungated, for CI); treating it as a sync/remote op (local-only); a soft variant (purge is always the hard, full wipe — soft teardown is `endpoint stop`). **Read that soft/hard contrast on the RECORD axis only** (ADR-0045): `stop` is *record*-preserving (spool.db + info.json survive) where `purge` wipes them. It says nothing about processes — on the **process** axis `stop` is hard: for a broker-hosted endpoint it reaps the session and its descendant subtree, exactly like `shutdown`. \"Soft teardown\" never licensed a surviving host.\r\n<!-- [doc->REQ-ENDPOINT-PURGE] -->\r\n\r\n- **`api history-log`** — Path B: ingest normalized records into spt-core's native history store.\r\n- **`api presence`** — adapter reports user interaction → updates the presence datum `(last_active_node, last_active_endpoint, ts)`. In the spt-hosted topology, presence is **also** updated by the broker *detecting* (sensing, not watching/logging) user input on a held PTY — privacy-preserving (it notes that input occurred, records no content).\r\n- **`api emit --type <sensory_type> <payload>`** — a broker-launched **Shell** binary pushes a sensory payload to its owner agent (owner known from `api bind`; REST-only, never spooled). See the Shell model.\r\n\r\n**Not `api` commands — file-drop flow:** `commune` and `signoff` are deprecated as commands (modern SPT) in favor of file drops. The agent/adapter writes `<id>-commune.md` / `<id>-signoff.md`; the daemon watches the manifest-declared commune/signoff dirs (the spawn-session seam fields), ingests, and deletes (drop files are daemon-owned single-writer — KNOWN-HAZARDS 6.4). These stay off the `api` surface and the agent surface alike. **This path is the Self's, and spt-core's echo-commune never writes it** (operator-ruled 2026-09-06, releases#276): the echo's brief routes straight into the two-tier store on the fire. Until then core wrote its echo here too, and a second writer on a single-writer path overwrote unread Self communes — KNOWN-HAZARDS 6.12.\r\n\r\n### Startup flows (the two topologies)\r\n\r\n**Adapters never resolve `$SPT_HOME`.** spt-core install registers its binary directory on the system-wide PATH, so adapters call `spt api …` on any OS without path math. All harness↔daemon bridging goes through `spt api` commands (the daemon is always running, or auto-started — below), so there is **no adapter-written file** in the bind path.\r\n\r\n**Harness-hosted (e.g. spt-plugin; the harness binary is user-launched, harness is the parent).** Key constraint: the SPT *live agent* does not exist until the agent invokes start — the `live_id` isn't chosen at session boot, and `$LIVE start` is itself invoked *behind the Monitor tool*, so it becomes the long-running relay. So binding cannot happen at SessionStart directly. A **seed record** (daemon-held, in-memory — not a file) bridges the gap:\r\n1. The harness's SessionStart hook calls **`spt api seed --pid <parent_pid> --session-id <sid> [cwd]`**. The daemon records an ephemeral in-memory **seed entry** keyed by `parent_pid` — the session details the spt-hosted topology would share directly, minus the not-yet-chosen `live_id`. The seed is **adapter-agnostic**: it carries no `adapter_name`. <!-- [doc->REQ-START-5] --> *Which* adapter/profile a session belongs to is resolved later, at bind, as a read against the live registry (below) — so one SessionStart hook seeds correctly no matter which harness adapters are installed, and an `adapter add` after the seed is never missed. In-memory (not a file) avoids drive churn and the `$SPT_HOME` resolution nuisance; seeds are consumed within seconds, so persis…\n2. The agent runs `/spt:live <id>` → the adapter's `$LIVE start <id>` alias = **`$SPT listen <id>`** (= `spt api listen <id>`), invoked via Monitor. It self-discovers its `parent_pid`, the daemon matches the seed entry by that pid (validated against `session_id` to defeat PID-recycling — KNOWN-HAZARDS 5.1), **resolves the owning adapter/profile** (the bind-time resolution below), creates/revives the perch binding `live_id` ↔ session details, then enters the long-running relay loop streaming events to stdout.\r\n3. The always-on daemon holds the perch, spool, registry, and daemon-spawns the Psyche (via the spawn-psyche seam) — no separate wrapper. The relay is purely the delivery pipe.\r\n   - Seed entry refreshed on each SessionStart (keeps `session_id` current across `/clear`, since `parent_pid` is stable while the harness process persists). If a harness has no SessionStart-equiv, `start` may carry the details directly as args — the seed is the preferred convenience, not the only path.\r\n   - The same seed + bind-time resolution serves a **ReadyAgent** bringup (`$SPT ready`/poll), not just a LiveAgent — a harness-hosted ready agent is seeded and resolved identically (it just binds a poll listener, no Psyche).\r\n\r\n**Bind-time adapter/profile resolution (ADR-0021).** Because the seed is adapter-agnostic, `listen`/`poll` resolve the owning adapter/profile when they bind, as a pure read — never a seed-time snapshot that could drift. `--adapter <name[:profile]>` is an **optional override** on the `api` group (an explicit choice for adapter dev/iteration); omitted, resolution runs:\r\n1. the seed's `parent_pid` → that process's **executable basename** (case-insensitive, `.exe`-stripped);\r\n2. **candidate adapters** = registered `kind=\"harness\"` adapters whose **`host_binaries`** (the manifest match-key) contains that basename; <!-- [doc->REQ-MANIFEST-8] -->\r\n3. **profile**: the durable **active-profile pointer** (`spt adapter use <adapter>[:profile]` writes it; one default per `host_binary`) wins; unset → the freshest candidate adapter by `registered_at_ms`, base profile (a specific profile is only ever chosen by the pointer), name-ascending on ties; <!-- [doc->REQ-INSTALL-12] -->\r\n4. zero candidates → a friendly error naming the binary and the `--adapter` escape. The pointer is a standing user preference (durable on disk, never auto-written by install/update); the seed is ephemeral — see ADR-0021.\r\n\r\n**Daemon auto-start:** the daemon is per-machine always-on (OS-service registered), but any `spt api` invocation that needs it will **start it if absent** (fresh boot, crash, never-installed-as-service). `$SPT listen` for the first SPT session on a machine thus transparently spins up the daemon. Ensure-running lives in the `api` layer generally; `listen` is the reliable anchor.\r\n\r\n**spt-hosted (terminal wrapper / GUI launcher; the daemon launches the binary into a broker PTY):**\r\n1. The frontend/CLI launches the agent: the daemon runs the **spawn-session** command template into a broker-held PTY.\r\n2. The binary boots and fires **`api bind`** (or skips it under the strict UUID-injection + stable-pid commitment). **No catalyst/seed file** — the daemon is the launcher, already holds a direct channel (it spawned the process and owns the PTY), so a file round-trip would only add drive churn for no benefit.\r\n3. The daemon delivers events; method is **manifest-configurable per activity-state** — direct PTY injection, or a relay even here (some adapters prefer a relay over PTY injection for idle delivery), or HTTP. During *activity*, delivery still defaults to the non-disruptive hook-injection path, not raw PTY writes.\r\n4. Psyche is daemon-spawned, same as above.\r\n\r\nSo the old `$LIVE start` splits by topology: harness-hosted = SessionStart writes an adapter-agnostic seed → `$SPT listen <id>` consumes seed (by `parent_pid`) + resolves adapter/profile (ADR-0021) + binds + relays — legacy parity (`$LIVE start <id>` → `$SPT listen <id>`, no mandatory `--adapter`); spt-hosted = daemon spawn-session + `api bind` (direct, no file). The asymmetry is the file-bridge-only-when-no-direct-channel principle.\r\n\r\n**Env-var aliases:** adapters inject clean env-var aliases for in-session invocation (heirs to today's `$OWL`/`$LIVE`), e.g. **`$SPT` = `spt api`** so a Monitor-bound call reads `$SPT listen <id>`. spt-core supplies the subcommands; the adapter supplies the env aliases (manifest philosophy).\r\n\r\n### Endpoint types\r\n\r\nEach perch advertises an **endpoint type** — a tag that says what shape of entity lives at that perch and what operations it accepts. The set of day-one types:\r\n\r\n**ReadyAgent**:\r\nMinimal SPT participant — a perch + a poll listener, no Psyche, no live-agent wrapper. Direct heir to the sister project's \"ready agent\".\r\n\r\n**LiveAgent**:\r\nA Self with a Psyche companion. Composite logical actor; addressable as one ID, but its component perches (the Self's, the Psyche's) live independently. Direct heir to the sister project's \"live agent\".\r\n\r\n**Psyche**:\r\nThe Psyche companion's own perch, distinct from its paired LiveAgent's perch. First-class endpoint type so messages addressed to a LiveAgent's Psyche route directly without ambiguity. **A Psyche is a bounded per-event turn, not a resident process (since v0.25.0).** Each psyche-relevant event (a pulse fire, a commune/signoff drop, a session-custody transition) runs **exactly one** bounded turn through the psyche role template, spawned by the daemon, which exits at turn end — there is no long-lived psyche loop or psyche pid between events. <!-- [doc->REQ-PSYCHE-EPHEMERAL-DRIVER] --> **Liveness = turns succeed** — never a PID or a resident-process check. A Self perch is online-and-hosted whether or not any psyche turn is in flight; a psyche turn failure of any …\n\r\n*I/O & trust boundary (ADR-0012):* the Psyche is a **sandboxed** actor — it may read and write files but **cannot send messages or reach the network itself**. Its inbound context arrives two ways: events/messages the daemon hands it, and **commune/signoff file-drops** (Self → daemon → Psyche; the *Summarizer* authors the commune delta). Its **sole outbound** is **reply/notify intents** the daemon relays as its **outbound proxy** — emitted as `<EVENT type=\"reply\">`/`<EVENT type=\"notify\">` (the shared envelope grammar). A *reply* reaches **only the sender it answers**; a *notify* reaches **only the agent's own user** — the Psyche carries no target and cannot address arbitrary endpoints (the daemon strips/re-stamps `from=` before relaying).\r\n\r\n*Psyche-host health — harness-reachable failure signal (v0.8.1, REQ-HAZARD-LIVEHOST-BOOT-RACE):* a LiveAgent's `status=online` is daemon-authoritative liveness and **stays authoritative** — but it does not by itself prove the daemon hosted a Psyche. When the brain's live-host reconcile fails to spawn the Psyche (e.g. the adapter's psyche binary is absent from its install dir, or the net-less boot-race starves the host), that failure was previously **silent** — only an `eprintln!` on the brain's invisible stderr, while a harness (and a human via `spt endpoint list` / `whoami`) reads **perch state**, never brain stderr. The Self perch's `info.json` therefore carries an additive, N-1-safe `psyche_host_error` field (`{reason, ts, attempts}`): a **current-state**…\n\r\n**Summarizer**:\r\nThe ephemeral, cheap model that builds a **commune delta** from a Self's recent turns and feeds it *into* the **Psyche** as inbound context. A distinct actor from the Psyche — different (cheaper) model, fire-and-forget, **no perch** (not an endpoint type). It authors *commune* deltas only, **never** *reply*/*notify*.\r\n\r\n**AN ECHO COMMUNE IS NOT SURFACED INTO THE LIVE AGENT'S RUNNING CONTEXT** (ratified 2026-08-03, LOCKSMITH grill — releases#113). Its purpose is to keep the Psyche's durable *live-context* and *project-context* current — **which it now does directly**, routing the brief from the summarizer into those tiers on the fire rather than transiting a drop file (operator-ruled 2026-09-06, releases#276); mirroring the brief back to the Self spends the agent's context re-describing work it just did. The shipped `KIND_ECHO_MIRROR` context injection is therefore **retired** (it was spt-core behaviour legacy never had).\r\n\r\n**THE ONE DELTA THAT MUST REACH THE AGENT IS THE SESSION-BOUNDARY DELTA.** An echo also fires at a session boundary (clear / compact / harness-offline), capturing the delta from the last echo to the boundary edge — and that delta is **structurally guaranteed to be missing from the psyche context downloaded at the next session's start**, because generating it takes time the boundary does not wait for. So it is **delivered to the new session as a message with `--active-only` semantics** (it waits for the agent's own next active window and never interrupts a turn) rather than as a context injection. This is the one case where a resuming agent would otherwise resume without work it had just done.\r\n_Avoid_: conflating with the Psyche; \"echo-commune model\"; mirroring an echo brief into the Self's context; assuming the boundary delta rides the session-start psyche download (it cannot — it does not exist yet when that download is built).\r\n\r\n**Worker**:\r\nA subagent's perch under a parent LiveAgent. Created on subagent start, torn down on subagent stop. Replaces today's \"working perch\" concept; first-class type so cross-communication between a Self and its workers (and worker↔worker) is addressable.\r\n\r\n**SptNode**:\r\nA machine's participation in an SPT subnet, identified by an Ed25519 public key generated on first run. First-class so networking primitives can address nodes directly as message targets, not only as transport peers. The node identity and network endpoint are hosted by the machine's `spt-daemon` (see Networking), not a separate process.\r\n\r\n<!-- [doc->REQ-EP-6] -->\r\n**Gateway** (concept ratified 2026-06-11; registered via the open type system, first instance downstream):\r\nA **human-backed endpoint** — a user's specialized window into the subnet from a device or surface with no conventional-harness compatibility. Nothing LLM-shaped runs there; the intelligence at the endpoint is the **user**. Addressable like any endpoint (receives digests/messages, sends via the normal verbs) and may **own Shells** (it is an owning endpoint — see §Shell model). Distinct from a Shell: a Shell is *driven from elsewhere*; a Gateway *originates* interaction. No `tracked/` mind, no Psyche (LiveAgent affordances). First instance: the `spt-lecturn` adapter's Playdate endpoint (own repo).\r\n\r\n<!-- [doc->REQ-MSG-5] -->\r\nA message sent from a Gateway carries **the user's authority** — it *is* the user speaking through a device — and is delivered typed **`user-msg`** (ratified 2026-06-12) so receiving agents weight it as user instruction, not peer-agent chatter. The type is **identity-gated, never payload-trusted** (the KH 7.3/7.5 posture): the daemon permits `user-msg` only from user-backed origins (a Gateway endpoint, the local user's own CLI) and re-stamps an agent-family sender's `user-msg` down to plain `msg` — authority comes from who you are, not what you wrote.\r\n\r\n<!-- [doc->REQ-MSG-6] -->\r\n_Implemented posture_: the **local** user-backed origins are honored end-to-end — a locally-hosted Gateway endpoint (info.json `state=\"gateway\"`) and the local user's CLI (M9-T4/T5). The **cross-node WAN** path is being completed (trust posture **ratified 2026-06-13**): the **subnet membership boundary is the trust boundary**. A subnet is a collection of machines the user already trusts, so a `user-msg` arriving over the subnet from a **Gateway-typed** origin is honored as the user's authority; the daemon does **not** defend against a subnet member *forging* the Gateway type — an in-subnet compromise is out of scope by construction (if the subnet is breached at all, the trust model is already void). The origin's type is read from its advertised registry **`e…\n\r\nA Gateway endpoint binary is revived by **existing machinery only** (settled 2026-06-12, two corrections deep): while running, the bridged device's link liveness drives ordinary **instance state** (sustained device silence → dormant; device contact → active — the driver-attach rule). Across a node restart, revival rides a **co-located shell's wake-watcher** — the Gateway typically owns a shell instance on its own gateway host; that shell's offline wake-watcher (one of the two classes of third-party binary spt-core boot-launches — the other is the [[ResidentService]] supervised binary) holds the device-contact surface and fires the standard **wake resolution** (\"owner suspended → revive the owner\"). No Gateway-manifest watcher, no autostart flag, no new mecha…\n_Avoid_: calling a Gateway a Shell or an agent; \"console\", \"remote\".\r\n\r\n**PresenceChannel** (broker endpoint — concept locked, impl deferred past v1):\r\nA *broker* endpoint, not an interaction surface. Job: (1) **presence resolution** — track which node + endpoint the user most recently interacted with; (2) **shell brokering** — locate/instantiate the right Shell on that node and relay between the agent and the user. An agent \"just knows how to reach the user\" by firing at its PresenceChannel; the channel figures out the rest. Also a durable, **shell-agnostic 2-way thread**: messages persist in the channel, not in any one Shell, so the user can be sent a message via a phone messaging-Shell and surface/continue that same agent conversation later at a GameRobot Shell. Shells are interchangeable I/O windows onto the channel's thread.\r\n\r\nThree interaction styles:\r\n- **dispatch** — fire-and-forget: \"reach the user with this payload\"; channel delivers via the best available Shell.\r\n- **bind** — sustained drive: \"give me a Shell of capability X\"; channel instantiates and the agent drives it directly until teardown. Supports operating a *specific* Shell regardless of where the user currently is (agent transience).\r\n- **thread** — the persistent conversation that floats across Shells; the user can pick it up from any Shell, and 2-way payloads (text/audio/image/video, subject to the Shell's supported types) flow both directions.\r\n\r\nPresence datum: `(last_active_node, last_active_endpoint, timestamp)`. The `last_active_endpoint` field lets an agent choose between messaging that specific endpoint vs. driving a parallel instance of itself.\r\n\r\n**ResidentService** (concept ratified 2026-07-26, ADR-0049 — the supervised substrate; first consumer spt-alchemy's Hub Daemon):\r\nA **daemon-supervised binary an adapter declares, with no perch, no identity, no address.** Core owns the process from birth: the daemon spawns it **job-neutrally** (never a shell's child — a shell's tree-kill and a launching terminal's Job Object cannot reach it) and supervises it with the wake-watcher scaffolding (backoff, give-up latch, one-per-instance lock, orphan-kill, brain-side reconcile), running **independent of any agent's liveness**. Declared by the adapter manifest's **`[service]`** section; **one supervised instance per adapter-option** (`<adapter>[:profile]`). The start trigger is declared, not implied: **boot** (desired-state-running — reconciled toward running at daemon boot, at adapter registration against a live daemon, at update-hold rele…\n_Avoid_: calling it an endpoint (no identity, no address — that is the [[AlwaysOnEndpoint]] layered on top); calling it a Shell (owner-less, not driven); \"daemon\" unqualified (the node has one daemon; this is a supervised service under it); treating its supervision record as liveness truth (there is none — liveness is the child handle).\r\n\r\n**AlwaysOnEndpoint** (always-on endpoint; concept ratified 2026-06-21, re-based on the substrate 2026-07-26 per ADR-0049 — core kind, first instance downstream `spt-discord`):\r\nA **[[ResidentService]] that additionally fronts addressable endpoints** — resident, addressable, hosting no mind — unlike an *agent endpoint* (a hosted mind with a Psyche + `tracked/` context) and unlike a **Shell** (single-owner, *driven*). The substrate carries the process (supervision, cardinality, hold/quiesce, derived liveness — see [[ResidentService]]); the endpoint layer carries the address. It is **two-way addressable**: agents message it (to drive whatever external surface it fronts) and it messages out — notably it may call `endpoint wake <id>` to draw an offline agent online (wake authorization is **target-side**, so no special caller right is needed — see the wake-watcher/sleep-wake model). Its binary **self-manages its channel endpoints via the…\n_Avoid_: calling it a Shell (owner-less + not driven) or an agent (no mind); conflating it with its substrate (a ResidentService without the endpoint layer is deliberately faceless — the two-way requirement lives only here); a sleep/wake resting model (it does not rest).\r\n\r\n…\n\n…\n\n…\nThe CLI sibling of the frontend's guided resume — one command that lists endpoints **grouped by locality, most-recently-used within each group**: `on-node / current-project → on-node / other-project → off-node`, mirroring the *resolution policy*'s local-first preference. Selection **chains conditionally**: a **running** instance → attach/tap-in (no adapter step — already live under one); a **non-running** endpoint → into the **adapter selector** (*adapter selection*: history head = default → prior adapters → \"choose a different adapter\") → *anchor subnet* / other creation prompts as needed → launch; a **\"+ new endpoint\"** entry → the full creation flow. Off-node picks respect the reach + consent gates (remote-drive of your own running instance is ungated; a …","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,null,317,null,528,null,1267]},"fileSize":351663,"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\302-net-worker-stamps\\CONTEXT.md"},"truncation":{"direction":"middle","truncatedBy":"middle","totalLines":307,"totalBytes":66816,"outputLines":214,"outputBytes":40110,"maxBytes":40960,"headRange":{"start":1,"end":115},"tailRange":{"start":210,"end":307},"elidedLines":94,"elidedBytes":26727,"artifactId":"706","nextOffset":301},"limits":{"columnTruncated":{"maxColumn":768}}}},"isError":false,"timestamp":1789543882382}}
{"type":"message","id":"a9188d90","parentId":"d0f09eb4","timestamp":"2026-09-16T07:31:22.419Z","message":{"role":"user","content":"Current interruptible wait interrupted: IRC message from parent agent `Main`.\n\nParent IRC message:\n\nNew Doyle FB4BCXZD overrides timing interpretation: report suspension/raw-capture window as capture_begin/end, keep post-resume symbolization cost separate. Existing code already copies before resume then unwinds/names afterward. Please emit capture_begin_mono_ms/capture_end_mono_ms from crate::mono_ms() bracketing all workers' raw copy+resume phase, before symbol lock. Keep end-to-end duration field and perturbation timings; don't hide first-capture cost. Main stops overwriting backend raw times and reports processing_begin/end separately; Hertz coordinating parser. Continue safe success cache (still avoids repeated expensive work). Preserve fatal branch noalloc.","attribution":"agent","timestamp":1789543873827,"steering":true}}
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{"type":"message","id":"937a5161","parentId":"0bf24c65","timestamp":"2026-09-16T07:32:11.286Z","message":{"role":"toolResult","toolCallId":"call_r3x5muZ91VSuFGTvdzuWajnN|fc_0087a3f074a9af55016aaa45fb26f487d28de8d3a79cacd4b0","toolName":"grep","content":[{"type":"text","text":"# .worktrees/302-net-worker-stamps/docs/\n## KNOWN-HAZARDS.md#11AC\n 77:- **Failure:** a shell perch's `status` has exactly two writers — the bind handshake (→`online`) and `close_shell` (→`offline`) — and `close_shell` runs on the **link-break** path alone. A binary that dies **abruptly** (force-kill, crash, OOM) breaks no link, so nothing ever writes the flip: the record says `online` forever while the pid it names is gone. Every consumer of the recorded field then inherits the lie — `shell list` reports online indefinitely; `relink` (the one command that recover...\n*78:- **Invariant:** ONLINE-ness is **derived**, never the recorded field alone: `status == online` AND the recorded process identity is not *provably* gone. Missing/unparseable/zero PID or unavailable birth evidence fails toward alive; a positively mismatching native birth identifies a recycled PID as gone. Derivation never promotes a recorded-offline instance. Derive at relink, drive/cmd-wake, discovery and activity renders; preserve the recorded field at writers, owner-suspend cleanup and watcher eligibil...\n 79:<!-- [doc->REQ-SHELL-PERSISTENT-BOOT-RESTORE] -->\n 80:- **One process generation per read (releases#287):** modern `shell.launch.json` atomically stores `pid`, native `pid_started_at`, and wall-clock `launched_ms`. A modern `pid: 0` means explicitly pidless/cleared and never falls back to the numeric `shell.pid` mirror. Legacy records without `pid` retain their old numeric-PID plus optional-birth read. Publish the complete JSON identity before updating the compatibility mirror; failed publication preserves the previous identity. Never delete the previous bi...\n 81:- **No spontaneous relaunch of a NONPERSISTENT same-boot death:** the releases#78 force-kill freeze still protects nonpersistent instances, so killing one to free its exe does not arm a watcher underneath an overwrite. Recovery remains demand-driven. **Persistent instances are exempt** (operator ruling, releases#287): a kill is not a request to keep a declared-persistent shell down; use `teardown` or a nonpersistent manifest instead.\n...\n 86:### 2.7 A daemon or machine restart strands `persistent` shells — and a graceful cascade fixture suppresses the failing arm `[REQ-HAZARD-RESTART-STRANDS-PERSISTENT-SHELLS]`\n*87:- **Failure:** a restart can leave an `online` record over a corpse without a link-break or suspend edge. The original boot sweep fixed only machine reboots: it rejected corpses launched after machine boot, so a daemon-only restart still stranded every persistent shell. The measured releases#287 specimen launched at machine boot +46s and stayed down for 27 hours after a daemon restart despite its owner being online.\n 88:- **The owner-facing surfaces HIDE the fault**, which is why it survived unreported for days: every display path (`shell list`, its `--json` twin, the shell-context render) routes through the ONE discovery seam, which **derives** status (2.6) and so correctly reports the binary as offline — while the only consumer whose decision matters, the wake cascade, reads the RECORDED field that no owner-facing surface shows. Absence of a visible symptom is therefore **not** evidence of absence of this fault, and...\n*89:- **The existing cascade test cannot fail on it — its SETUP SUPPRESSES THE FAILING ARM.** `rest_edges_cascade_shells_with_divergence` establishes its fixture by driving the suspend path, which itself writes the `offline` the code under test is supposed to encounter — so the restart shape (a record still saying `online` over a corpse, reached with **no** suspend edge) is unreachable from that fixture BY CONSTRUCTION. The test is not weak; it gives a true answer to the wrong question, so a reader askin...\n 90:- **Invariant:** a daemon-only or machine restart must not strand a persistent instance. **(a) Heal:** every reconcile cycle writes `offline` only where the derived birth-safe read contradicts recorded `online`; already-correct records are untouched. **(b) Restore:** the once-per-daemon-generation boot sweep and every owner offline→online edge run the same per-owner body. Relaunch every instance whose adapter declares `persistent`, whose owner is online, and whose binary is down in fact. There is **no ...\n*91:- **Regression shape:** construct recorded `online` over a corpse **without a suspend edge**, including a launch **after machine boot**, then bring its owner online after a spent boot sweep. Every stranded persistent sibling must be restored; offline owners and nonpersistent instances are not restored. Separately defend live/binding exclusion and the nonpersistent watcher freeze. Suspending in setup suppresses the failing arm and proves nothing about this class.\n 92:- **Per-owner enumeration:** the existing `SHELL_RECORD_HEALED:<owner>/<shell_id>` daemon diagnostic names **every** successfully healed instance, not one representative. Healthy and already-healed records produce no event. The restore diagnostics likewise identify each attempted instance and distinguish boot from owner-online triggers. <!-- [doc->REQ-SHELL-HEAL-ENUMERATION] -->\n 93:- **spt-core mapping:** `spt_daemon::shellwake::{heal_stale_online_records, restore_persistent_shells_at_boot, restore_persistent_shells_on_owner_online, OwnerOnlineEdge}`; `shellhost::live_launch_winner`; `spt_store::shellinfo::{ShellLaunch, shell_pid_provably_dead}`. `launch_predates_boot` and `BOOT_RESTORE_SLACK_MS` now govern only nonpersistent watcher eligibility.\n 94:- **Source:** BAROMETER W2 (releases#78); releases#287 operator ruling (2026-09-08), superseding the persistent force-kill freeze and boot-instant conjunct.\n...\n 147:- **Sister cite:** `src/owl/poll.rs:1-73`; `src/common/envelope.rs`.\n*148:- **CR-linesafety `[REQ-HAZARD-ENVELOPE-CR-LINESAFE]`:** the EVENT is LINE-FRAMED, so the codec must neutralize raw `\\r` too — `event_body_escape` folds CRLF/lone-CR to `\\n` (→`<br>`) **before** framing. **Failure (field, 2026-06-08):** a cross-node `spt send` from Windows (`echo` → CRLF) carried a raw `\\r` into the single-line envelope; the receiver terminal did a CR→column-0 overwrite (`</EVENT>` clobbered `<EVENT t`). `\\r` was never line-representable here, so normalizing it is robustness, not...\n 149:\n 150:### 4.2 Two-slice envelope parser is panic-free and tolerant\n 151:- **Failure:** malformed envelope (unclosed/misordered/nested tags) panics or drops output.\n...\n 308:- **Failure:** three readers each collapsed a **corrupt** (present-but-unparseable) `info.json` into their fail-open ABSENT default, so a NUL-wiped perch (5.13) read as permanently live: `is_perch_alive` returned `true` (unreadable ⇒ interim-alive), `advertised_status` then saw alive + no resting record ⇒ `Active`, and the daemon self-gossiped that Active row every round (epoch 173k+). Result: `hall-a`, dead since a machine restart, showed ONLINE in `spt whoami` and on every remote picker.\n*309:- **Invariant:** CORRUPT ≠ ABSENT. A record that EXISTS but stays unparseable across the retry budget is a **destroyed** record — never a live endpoint. `is_perch_alive` reads corrupt ⇒ **not alive** (ABSENT keeps interim-alive parity — the ONE case that stays true); `advertised_status` then lands corrupt in the cold arm ⇒ **Suspended**, never Active/Dormant. Readers that decide liveness/status must branch on the tri-state (present / absent / corrupt), not an `Option` that fuses the last two.\n*310:- **spt-core mapping:** `spt_store::liveness::{read_raw_state, is_perch_alive}` (the tri-state kernel) and `spt_daemon::registryhost::advertised_status` (cascades to Suspended off the alive fix). `list_self_perch_ids` deliberately still lists a corrupt dir by existence — that is the *visibility* the local-roster fix (counter-39 #3) relies on, not a liveness claim. Candidate sibling seam `is_registry_entry_alive` (corrupt hosted row falls to a daemon-pid probe) is parked — it does not produce the ONLI...\n*311:- **Source:** field diagnosis 2026-07-01 (operator, post-v0.19.0 restart) — counter-39 bug #2; sequel to the v0.17.0 W4 presence-truth fix (cold ⇒ Suspended) which a corrupt perch bypassed via false-alive.\n 312:\n 313:<!-- [doc->REQ-HAZARD-ATOMIC-TMP-COLLISION] -->\n 314:### 5.15 Fixed atomic-write tmp name → concurrent writers collide (loser renames a consumed file)  `[REQ-HAZARD-ATOMIC-TMP-COLLISION]`\n...\n 593:- **Invariant:** `reconcile_hosted_liveness`, when it offlines a sessionless controllable perch (the B2 keystone — no live broker session ⇒ dead harness), ALSO clears `driven_by` (`set_driven_by(perch, None)`). RACE-FREE and single-writer-safe: with NO live broker session there is no controller to re-stamp `driven_by` concurrently, so the brain may write it here without contending the broker. (The LIVE-session leg — a controller gone while its session survives — is NOT this hazard: a clean discon...\n*594:- **MEASURED 2026-07-22 (DAEMON-LIFECYCLE W2 Leg B, `transport_death_eof.rs`) — the residual SPLITS in two, and only one half is still open.** On REAL QUIC (two brokers, `BindScope::Loopback` + a real `net_dial` — NOT the in-process duplex, which has no idle timeout at all), a remote controller whose QUIC STACK DIES WITHOUT A FIN (peer frozen: endpoint alive, UDP port still bound, keepalives unanswered — the sleeping-laptop shape) DOES self-heal: the transport's own idle timeout tears the conn, the...\n 595:- **Watch-out (repro-proven, real broker):** `SessionInfo.controller_by==None` is AMBIGUOUS — `dispatch_spawn` pre-attaches the spawner as the LOCAL controller with `by=None`, so a live LOCALLY-driven session also reads `None`. It is therefore NOT a usable standalone `driven_by` clear trigger (would false-clear a live local session). The shipped Gap-B self-heal needs no controller signal at all (it keys on session ABSENCE).\n 596:- **spt-core mapping:** impl `livehost.rs` `reconcile_hosted_liveness` Gap-B clear + the additive `SessionInfo.controller_by` observability field (`msg.rs`, populated in `broker.rs` `KIND_SESSIONS`); unit `livehost.rs` `pull_liveness…` extended (offlined sessionless perch clears `driven_by`; live/relay perches untouched); int `crates/spt-daemon/tests/driven_by_selfheal.rs` `gap_b` (real broker: reconcile offlines AND clears `driven_by`) + the A1/A2 characterization (`inject_control_wedge.rs` w5_a1/w5_a2).\n 597:- **Cross-ref 7.29 (who MAY clear vs who MUST NOT):** the BRAIN reconcile here MUST NOT clear `driven_by` off `controller_by==None` (ambiguous with a live LOCAL controller). The BROKER stamp-convergence (7.29) MAY — it reads `has_controller()` DEFINITIVELY (its own controller slot), so it authoritatively clears a stale `driven_by` against a live session with no controller (the `has_controller()==false` leg). The invariant's owner for that leg moved to the broker; this brain-side ambiguity-safety is unc...\n...\n 692:### 7.27 A control/viewer stamp must NEVER outlive its session — every teardown path clears what attach stamped  `[REQ-HAZARD-CONTROL-STAMP-LIFETIME]`\n*693:- **Failure (F-026 #2, live evidence HFENDULEAM):** an spt-hosted endpoint stayed `ONLINE+CONTROLLED` after the operator's RC `/exit` — hours later hall-a's `info.json` still read `controlled:true` (status offline, dormant) and hfenduleam still GOSSIPED `controller_node=self` cross-node (SPT_DEV.json snapshot). ROOT: `/exit` kills the CHILD, not the controller connection, so the endpoint suspends via child termination and the teardown runs the REAP path (`broker.rs` exit-waiter → `sessions.remove(&id...\n 694:- **Invariant:** on session reap the broker clears the perch's control/viewer stamps — `OutputLog::stamp_reaped()` = `set_driven_by(None)` + `set_controlled(false)` + `set_viewer_count(0)` via the known endpoint id — so no teardown path leaves a stamp behind. The broker stays the SINGLE writer; the clear is unconditional (idempotent when already clear) and RACE-FREE — the session is dead, so there is no live controller to re-stamp concurrently (the same argument as 7.15's no-session leg). Best-effo...\n 695:- **spt-core mapping:** impl `broker.rs` `OutputLog::stamp_reaped` + the exit-waiter reap call (before `sessions.remove`); int (real broker+PTY, no mocks) `crates/spt-daemon/tests/control_stamp_lifetime.rs` `reap_clears_control_and_viewer_stamps` (spawn hosted session → the live controller stamps `controlled=true` → latch `driven_by`+`viewer_count` on disk → KILL the child → the reap clears all three; RED-first verified: fix disabled leaves `driven_by=Some`, `controlled=true`, `viewer_count=Some(...\n 696:- **Source:** F-026 W1 #2 (BUILD-F026-PICKERTRUTH; doyle triage + gate, todlando build 2026-07-03).\n...\n 713:- **Invariant:** the broker (SINGLE writer) re-asserts each live session's control/viewer stamps to session-table TRUTH, DIVERGENCE-GATED — read the perch's recorded `(driven_by, controlled, viewer_count)`, compare to the live truth (`controller_by()` / `has_controller()` / live `viewer_count`), and write ONLY on a real difference (no per-poll fsync storm). The re-assert rides the `KIND_SESSIONS` handler (the daemon reconcile + picker poll it on cadence), so a fresh perch CONVERGES within one reconcile...\n*714:- **Coverage boundary (who MAY clear vs who MUST NOT — cross-ref 7.15):** the convergence's `driven_by`-clear leg fires ONLY when `has_controller()==false` — the DEFINITIVE broker signal (it reads its OWN controller slot, not the ambiguous `controller_by`). That is why the broker MAY clear a stale `driven_by` where the BRAIN reconcile (7.15) MUST NOT: the brain only sees `controller_by==None`, which a live LOCAL controller also reads, so a brain clear would false-heal a genuinely-driven session. This...\n 715:- **spt-core mapping:** impl `broker.rs` `stamp_divergence` (pure gate) + `converge_perch_stamps` (off-lock, single-writer, skips a perch-less/corrupt endpoint) + `OutputLog::has_controller`/`live_viewer_count` (snapshot accessors) + the `KIND_SESSIONS` handler (snapshot-under-lock → converge-off-lock); unit `broker.rs` `stamp_divergence_gates_writes` (no-diff → no write; `controlled false→true` = the stamp-before-bind case; driven_by / viewer / both); int (real broker+PTY) `control_stamp_lifetime....\n 716:- **Source:** F-026 W1-addendum (BUILD-F026-PICKERTRUTH; doyle stamp-gap dispatch + convergence ruling + KIND_SESSIONS-hook approval, todlando build 2026-07-03).\n 717:\n...\n 733:<!-- [doc->REQ-EFFECTIVE-INSTANCE-STATE] -->\n*734:- **Failure (paid-for, field evidence):** two rest-state readers derived the effective instance state independently. `registryhost::advertised_status` read it liveness-aware (cold ⇒ Suspended); `resting::apply_event` derived its `from` off the stored `rest_state` intent field ALONE (`unwrap_or(RestState::Active)`). A cold (offline) perch with no resting intent therefore looked **Active** to `apply_event` — so a `Wake` event found it \"already in the target state\", the pure table returned `None`, and t...\n 735:- **Invariant:** the effective resting state of a perch is derived through the ONE shared `resting::effective_rest_state(alive, unbound, intent)` — liveness discriminates warm from cold, stored intent refines only *within* warm, and absent intent NEVER defaults active. Both `advertised_status` (via a RestState→Status map) and `apply_event`'s `from` route through it, so the two readers can never drift. Any new rest-state reader MUST use the same derivation — two independent derivations WILL disagree...\n*736:- **spt-core mapping:** `spt_daemon::resting::effective_rest_state` is the single derivation; `advertised_status` and `apply_event` both delegate. unit = a pure 3×4 liveness×intent table + two `apply_event` wire tests (a cold void perch Wakes as a real Suspended→Active edge; a cold void Suspend is a no-edge that fires no echo), each RED-first against the old `unwrap_or(Active)`.\n 737:- **Source:** REMOTE-TRUTH A-1 (effective-instance-state shared derivation), ADR-0033 §Decision (Q1 ruling: one shared derivation).\n 738:\n 739:### 7.33 NO bare `.lock().unwrap()` on a broker-resident lock reachable from serve/dispatch — a poison permanently wedges every attach  `[REQ-HAZARD-BROKER-FLOOR-LOCK-POISON]`\n...\n 758:\n*759:### 7.36 The broker control plane and PTY fan-out must NEVER block on a single subscriber connection — a suspended brain conn must not wedge control  `[REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE]`\n 760:<!-- [doc->REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE] -->\n*761:- **Failure (paid-for, rig-CONFIRMED 2026-07-06/07 — `NtSuspendProcess` on the brain, no update involved):** a controller's writer thread does a BLOCKING socket write to its brain subscriber conn. When that brain is suspended (or black-holed) the write never returns. The output-driven eviction path (`append` → `mark_controller_gone`, bounded by 7.12's `CONTROLLER_WRITE_DEADLINE`) only fires on NEW output, and `reap_dead_controller` (7.29 companion) only caught a writer that had EXITED — so a contro...\n*762:- **Invariant:** no broker client ever observes a wedge because the BRAIN stalled. (1) The controller's writer publishes its IN-FLIGHT-write window (`write_blocked_since`: `Some(Instant)` set immediately before the blocking `write_frame`, `None` after — the mutex never held ACROSS the write); a reader sees a `Some` older than `BRAIN_WRITE_DEADLINE` (15 s = 3× the 7.12 controller bound, measured full-with-**zero writer progress**, so a slow-but-DRAINING brain never trips it) as a WEDGED writer and stal...\n*763:- **spt-core mapping:** `broker.rs` — `ControllerSink::write_blocked_since` + `controller_writer` (marks the in-flight window around both the initial-batch and live-loop writes) + `controller_write_stalled` (pure predicate over injected `now`/`deadline`) + `stall_evict_controller` (Inline stamp at `resolve_subscribe`, Deferred stamp at `reap_dead_controller` so the reap closure does no I/O under the shared sessions lock) + `record_stall_evict`/`stall_evict_stats` (the tally) + `dispatch_stall_evicts` (...\n*764:- **Source:** LIFECYCLE-TRUTH W2 (doyle rig `NtSuspendProcess` root + design ruling `docs/W2-DESIGN-RULING.md` @60ec0ed — minimal-plus scope, `BRAIN_WRITE_DEADLINE` 15 s, passive resubscribe + observability rider; todlando build 2026-07-07). The v0.27→v0.28 update-wedge night's flagship defect.\n 765:\n 766:### 7.37 The Layer-1 settle-gate must RE-ARM per delivery on an observable PTY — a mid-session reader reattach (`/clear`) re-creates the head-swallow race  `[REQ-HAZARD-INJECT-SETTLE-REARM]`\n 767:<!-- [doc->REQ-HAZARD-INJECT-SETTLE-REARM] -->\n...\n 774:<!-- [doc->REQ-HAZARD-SHAREDSEND-NO-BLOCKING-WRITE-UNDER-LOCK] -->\n*775:- **Failure (paid-for, field capture + deterministic Windows repro 2026-07-09 — hertz RCA, UPDATE-WEDGE round-4):** `controller_writer` held the `SharedSend = Arc<Mutex<SendHalf>>` guard ACROSS a blocking `write_frame`. On Windows, `interprocess 2.4.2` routes the send to `WriteFileEx` + `SleepEx(INFINITE, alertable)` — this local-socket send path exposes **no supported write timeout** (`set_timeout` → `Unsupported`). An `rc --take` controller consumer that stopped reading blocked the write **indefi...\n 776:- **Invariant:** every write on a physical broker connection rides ONE broker-owned bounded/cancelable framed-write primitive with an **independent out-of-band aborter**. The `SendHalf` never leaves the conn object (a bypass cannot compile). An ABSOLUTE deadline stamped at write entry covers BOTH the serialized gate-wait AND OS write completion; a per-conn watchdog fires at that deadline and aborts the in-flight op — never relying on the write returning or on opportunistic stall-evict sampling. On dead...\n*777:- **spt-core mapping:** `spt-daemon/src/conn.rs` `BrokerConn` (Condvar-gated serialized write gate + poisoned state + per-in-flight op id + watchdog + `abort_physical()`: cfg(windows) `CancelIoEx` → completion handshake → `DisconnectNamedPipe` raw kernel32 externs; cfg(unix) `UnixStream::shutdown(Both)`); `broker.rs` `SharedSend = Arc<BrokerConn>` + `controller_writer`/`viewer_writer`/`send_frame`/`send_error` routed; `nethost.rs` stream-log/presence sends routed. int = `brain_decouple.rs` `non_drain...\n 778:- **Source:** UPDATE-WEDGE round-4 (hertz root doc `docs/UPDATE-WEDGE-ROOT-CAUSE.md` @f8596ca; doyle gate ruling `docs/UPDATE-WEDGE-RCA-DISPATCH-todlando.md`; todlando build 2026-07-09). The residual 7.36 left open: logical eviction without physical retirement.\n 779:\n 780:---\n\n## adr/\n### 0002-bake-networking-into-core-collapse-spt-node.md#1398\n 16:\n*17:The sister project (`claude_skill_owl`) decided networking should live in a separate `spt-node` daemon, explicitly to decouple the network stack from SPT's Claude-Code-tied core binary, expose SPT-protocol-as-product, and let networking evolve on its own release cycle. That decision predates spt-core.\n 18:\n 19:spt-core is a ground-up, harness-independent rebuild. The primary reason `spt-node` was separate — decoupling networking from a CC-tied binary — no longer exists, because spt-core is already decoupled from any harness. Meanwhile the product goal for networking sharpened: WAN cross-machine messaging should be **first-class and zero-config — \"just works.\"**\n 20:\n...\n 22:\n*23:Bake the WAN transport stack (Iroh + mDNS LAN discovery + pairing) into spt-core's library crates, behind a compile-time `net` feature flag (default-on in the reference binary, optional for embedded library consumers).\n 24:\n 25:\"Just works WAN, reachable even when no session is running\" requires a persistent per-machine network presence — the exact job `spt-node` was created to do. spt-core already commits to a single always-on, one-per-machine `spt-daemon` to supervise PTYs (the terminal wrapper). **Collapse the network-host role into that same daemon (option B1).** One process owns both PTYs and the node identity + WAN endpoint.\n 26:\n### 0003-multi-instance-node-anchored-identity-model.md#4E29\n 49:- **#9 — dormant-warm default has real resource/security cost.** Warm sessions retain credentials, file locks, model/billing footprint, PTYs, watchers on *every* node. **Required:** measure N dormant sessions on real adapters; define an adapter-specific warm/cold policy + resource budget before locking warm as the default (R-INST-3).\n*50:  **CLOSED 2026-06-04 (M4-D9-3):** measured with the env-gated harness (`crates/spt-daemon/tests/budget.rs`, `SPT_BUDGET=1`) on the rig — an idle warm seat burns **zero CPU**; the cost is RSS only (~8 MiB shell-class, ~300 MiB LLM-harness-class; suspended residual = the on-disk record). Policy locked in `docs/DORMANCY-BUDGET.md`: warm default **confirmed**, auto-suspend opt-in default OFF with the global → node → endpoint `auto_suspend_after_ms` knob chain (D9-2), constrained nodes default the node...\n### 0004-single-daemon-broker-brain-split-and-self-update.md#B832\n 12:\n*13:2. **Seamless self-update with a hard no-terminate constraint.** Self-update is a day-one pillar. The constraint: *no endpoint process may terminate or suspend during an spt-core update* — we cannot assume every endpoint can safely suspend. The naive \"drain + restart the daemon\" approach violates this for spt-hosted sessions (the daemon owns their PTY; killing the daemon SIGHUPs the child).\n 14:\n 15:## Decision\n 16:\n...\n 26:\n*27:**Self-update delivery:** peer-propagated over P2P, layered on self-fetch, out-of-band still supported. All binaries signature-verified before handoff (spt-core's own release key) regardless of source — peer-propagation otherwise lets one compromised node poison the subnet. spt-core conducts updates for the whole stack: self first, then ripple-update each registered adapter via the adapter manifest's update declaration (file-pull or delegated command). The plugin's role shrinks to initial bootstrap only.\n 28:\n 29:**Cadence/consent:** not fully automatic by default; gated on user confirmation delivered to the most-recently-active live session, with an opt-in full-auto choice.\n 30:\n...\n 47:- **broker-compatible** — broker binary swap behind a versioned IPC the running broker can hot-accept; endpoints survive; no spike yet.\n*48:- **broker-breaking** — held-resource-type or OS-API change; requires a *planned endpoint-cycle*. R-UPD-3 is explicitly weakened here: this class MAY suspend endpoints, with consent + scheduling. PRD R-UPD-3 must be reworded to scope the absolute guarantee to brain-only.\n 49:\n 50:### B. Ownership table (resolves FATAL #4 — \"any live stream owned by brain breaks the invariant\")\n 51:The boundary is normative, not \"broker holds fds, brain holds logic.\" A resource is broker-owned **iff** a live consumer would lose continuity on brain restart.\n### 0007-subnet-notification-primitive.md#5F7E\n 17:- **First-fire** → the user's most-recently-active endpoint in that subnet (presence resolution). **Resurface** undismissed notifs at existing reported boundaries — state→active (`wake`), `api boundary clear`, `api boundary compact`, new-session-start — gated by *seen-per-endpoint* plus a **cross-endpoint suppression timeout** (default ~1h) so a notif can't bounce between endpoints. Scoped to subnets the endpoint is **visible in** (ADR-0006).\n*18:- **Delivery reuses messaging.** A notif to an agent is a notif-flavored envelope delivered to the agent's perch via the existing path; the agent surfaces it. An optional **`notif_command` manifest template** (on **both** harness-adapter and shell-adapter manifests) renders it endpoint-native (OS toast, GameRobot `alert-symbol`), combinable with agent-surface. If presence resolves to a **Shell** attached to the endpoint, the notif renders via *that shell's* template — the v1 seam and the M5 generalizat...\n 19:- **`spt notify`** lets any agent issue a subnet-wide notif (v1: reaches the user on their active endpoint). The **envelope `from`** carries the issuer's endpoint id + node + subnet (subnet surfaced only to multi-subnet receivers).\n 20:\n 21:## Consequences\n### 0011-branchstore-git-kv-state-substrate.md#9296\n 30:filesystem — as the substrate for **coarse, durable, audited** state. It lives at\n*31:the bottom of the stack (`spt-store`) so context sync, the registry, and daemon\n 32:checkpointing share one abstraction rather than each re-inventing persistence.\n 33:\n 34:**BranchStore is for:**\n### 0016-platform-targeted-update-sets.md#B972\n 38:\n*39:Debug rollout may carry broker-touching updates. Brain-only debug applies keep the normal no-endpoint-termination invariant. If the candidate class requires replacing the broker, apply requires the node to quiesce first: no broker-held endpoints or live resources may be running, and tooling must refuse with a typed \"shut down/suspend hosted endpoints first\" result rather than cycling them implicitly.\n 40:\n*41:The first broker-touching debug flow refuses only; it does not auto-suspend or auto-shutdown endpoints. The refusal should list the blocking broker-held endpoints/resources and print the commands needed to quiesce them, preserving lifecycle control with the operator.\n 42:\n 43:Initiation is local staging plus normal pull-based peer propagation. The debug driver writes the signed update set into the local daemon's staged-release cache and may poke the daemon to advertise/check immediately for responsiveness, but it must not introduce a bespoke \"push this binary to node X\" path.\n 44:\n### 0030-robust-wan-subnet-join.md#7626\n 10:\n*11:A remote machine (SCELTOUIN) could not join an spt subnet over WAN: it \"never found a machine,\" then silently stopped — no error. Diagnosis (confirmed by toggling the variable): the host had **half-broken IPv6** (AAAA records resolve, the IPv6 path is dead). spt's iroh endpoint binds **dual-stack** and attempts both families for n0 discovery (`dns.iroh.link`) and the rendezvous hole-punch; the dead-IPv6 attempts don't refuse, they **silently time out**, burning the 30 s rotating-rendezvous window (`SEA...\n 12:\n 13:Three defects surfaced behind one symptom:\n 14:\n...\n 28:\n*29:spt-core controls which IP families the iroh endpoint binds (`NetEndpoint::bind`). At bind, probe each family's reachability **once** and bind **only the families that actually work**: dual-stack when both are healthy, IPv4-only when IPv6 is the half-broken kind, **IPv6-only when IPv4 is the dead one** (drop the *dead* family, never a fixed \"prefer IPv4\" — IPv6-only networks must still work). Re-evaluated on daemon restart. Explicit overrides `SPT_DISABLE_IPV6` / `SPT_DISABLE_IPV4` force a family off (...\n 30:\n 31:### 3. Diagnosable join\n 32:\n### 0033-wake-resume-via-reconcile-intent.md#E3F9\n 6:\n*7:CONTEXT promises `suspended` = \"resumed-on-wake\", but the wake edge only\n 8:writes the rest-intent field; nothing resumes a cold session (field bugs:\n 9:`WOKE:… -> Active` with the endpoint still cold; `NO_EDGE` on a\n*10:definitely-suspended endpoint). Two candidate mechanisms: the wake edge\n 11:spawns the resume synchronously, or the edge stays thin and the daemon's\n 12:reconcile machinery performs the resume.\n 13:\n### 0034-per-minter-op-id-namespacing.md#4E09\n 56:  forever and poison that discriminant. Uniform rule, no exceptions: every\n*57:  minter declares a tag; the random base becomes belt-and-suspenders.\n 58:- **One canonical minter enum.** The numeric key discriminant and the journal\n 59:  line's minter token derive from a single enum (one source for numeric +\n 60:  textual form) — two independent mappings WILL drift.\n### 0040-bounded-stream-seat-lifecycle-one-way-terminal.md#BAEB\n 170:The half-open case decision 6 could not reach: the opener's conn is never\n*171:closed, because the peer's QUIC stack simply stops. Never measured on real QUIC\n 172:before W2 — the standing \"clears on NEITHER platform at ANY window\"\n 173:characterization was taken on the in-process duplex, where this shape is\n 174:**unstageable by that code's own comment**.\n...\n 192:**Staging class — what the number is a number ABOUT.** The peer models a\n*193:**QUIC-STACK-DEAD** host: its net runtime is frozen, so the endpoint is alive\n 194:and its UDP port stays BOUND while nothing is ever sent or answered. That\n 195:distinction is load-bearing and asserted, not assumed: a bare host drop or a\n 196:process kill CLOSES the socket, which answers keepalives with ICMP\n...\n 226:DEAD-transport-no-FIN half only. The **ALIVE-but-WEDGED** controller (KH 7.15\n*227:A2 — the QUIC stack keeps answering keepalives while only the app writer is\n 228:parked) never fires an idle timeout at all, so nothing in the transport-death\n 229:class reaches it. That leg stays deferred, and a green transport-death rig must\n 230:never be read as covering it.\n### 0041-endpoint-lifecycle-truth.md#231E\n 52:3. **Definitive death normalizes terminally and atomically.** One store-level mutation —\n*53:   `status=offline` + `rest_state=suspended` + clear `dormant_since_ms` in the SAME\n 54:   info.json write — invoked at every definitive hosted-session-loss point (authoritative\n 55:   broker session loss, liveness reap, `cmd_stop`). Explicitly NOT\n*56:   `daemon_rest_event(Suspend)` (no edge when effective state is already Suspended — the\n*57:   raw Active intent survives), and NOT a reader-side blanket offline⇒suspended (that\n 58:   destroys explicit-Wake semantics: wake writes intent first, reconcile consumes it).\n 59:   Graceful shutdown keeps its echo-before-teardown; this is terminal normalization for\n 60:   non-graceful death.\n...\n 115:\n*116:- A dead endpoint converges to offline+suspended+uncontrolled within one reconcile, from\n 117:  every death path, and stays there until an explicit wake or run — no resurrection loops,\n 118:  no zombie control latches, no immortal hybrid rows.\n 119:- `--create` becomes a contract: success ⇒ a fresh session exists; conflict ⇒ typed, loud,\n### 0043-terminal-render-lifecycle.md#DBD9\n 59:   TUI return structured outcomes and write NOTHING to the terminal; the TUI converts\n*60:   outcomes to model state (picker purge → `model.flash`). Alternatives (suspend/restore\n 61:   + forced baseline reset) are fallbacks, not the design. Baseline-desync regressions\n 62:   require a stateful/recording backend — pure view snapshots cannot catch them.\n 63:   <!-- [doc->REQ-SCREENGRID-REPAINT-MODE-REPLAY] -->\n...\n 74:idempotent and comprehensive (panic path included). Explicitly rejected: importing a\n*75:multiplexer stack; committing a baseline while ignoring write errors.\n 76:\n 77:## Consequences\n 78:\n### 0045-endpoint-teardown-authority.md#9AED\n 4:- Source: two hertz field RCAs, both doyle code-verified the same day.\n*5:  (1) `endpoint shutdown` reports `Active -> Suspended` while the broker-hosted session,\n 6:  its harness child, and the child `spt api listen` all keep running (native GNU 0.33.0,\n 7:  independently reproduced on HFENDULEAM, defect present in 0.38.1).\n 8:  (2) `endpoint stop` has the same hole, and it composes with `endpoint run`'s correct\n...\n 18:\n*19:`cmd_shutdown` (cli.rs) is two legs: remove the ready marker, then `cmd_rest(Suspend)`.\n*20:The Suspend edge fires the echo commune, the shell cascade, and a re-advertise — it never\n 21:touches a session. The verb even probes broker-session truth first\n 22:(`has_live_session_honest`) purely to force `from=alive` so it does not lie `NO_EDGE`; it\n 23:therefore *knows* the session is live, reports the transition, and leaves it running.\n...\n 48:  the un-transferable resources it holds; CONTEXT.md:30 gives the daemon the PTYs for all\n*49:  hosted sessions. CONTEXT.md:628 defines *suspended* as \"the harness session is closed\".\n 50:  Compose them: the entity that must close the session is the entity that holds it. No\n 51:  adapter can reap a process it did not spawn.\n 52:- CONTEXT.md:190 calls `endpoint stop` the \"soft teardown\", but the axis there is\n...\n 67:A teardown verb never stamps a terminal or resting state it has not caused. For an\n*68:endpoint whose session is broker-hosted, \"stopped\" and \"suspended\" both mean the broker\n 69:session row is gone and its process subtree is reaped. Where core holds no process, a\n 70:teardown verb claims nothing about processes.\n 71:\n...\n 90:`shutdown` (graceful): echo commune + shell cascade FIRST, then teardown; result\n*91:`rest_state=suspended`. `stop` (definitive): no ceremony; result `terminal_normalize`.\n 92:Teardown, reap, bounded await, and postcondition are identical.\n 93:\n 94:<!-- [doc->REQ-TEARDOWN-UNCOOPERATIVE-HOST] -->\n...\n 99:**5. `stop` fires NO echo commune — a deliberate, documented deviation from\n*100:CONTEXT.md:647.** A literal reading of 647 (\"any active → (dormant|suspended) transition\n 101:fires an echo commune\") would demand one, since `stop` crosses that edge. It is ruled out\n 102:because an echo requires a responsive harness, and `stop` exists precisely to work when\n 103:the harness is wedged; an echo-with-timeout would re-import the hang the verb exists to\n...\n 136:  the field procedure that recovered doyle becomes the verb's own behavior.\n*137:- The existing unit `shutdown_soft_stops_and_suspends` asserts marker removal plus stored\n 138:  intent only, i.e. it asserts the bug. It is rewritten, not extended.\n 139:- `stop` on a wedged host now costs the final context delta (decision 5). Documented at\n 140:  the verb, not just here.\n### 0046-notif-scope-supersession-quiet-delivery.md#EEFE\n 19:  v0.38.0 available\" survives v0.39.0 being installed, forever. Successive releases\n*20:  stack rows; nobody runs `spt notif dismiss`.\n 21:- **PTY interruption.** Notif delivery rode the default message window (live\n 22:  TCP first), so notifs land mid-anything in a live adapter session's PTY — for\n 23:  content that is by definition non-urgent.\n### 0050-golden-ci-merge-integration.md#4220\n 60:\n*61:The release runbook's dedicated release-PR rule and this ADR's fast-forward-only rule conflict under golden CI. A release PR stacked after the ruled tip would put the tag on a commit no golden run tested: the runbook's own feared unvalidated release commit, reached through the other door. **Tested SHA equals shipped SHA outranks bump-in-PR.** The version bump, lockfile, generated docs, and changelog ride the milestone batch and are tested with it.\n 62:\n 63:Main advances only to a SHA whose golden run is **green**. “Tested” means the suite passed; an explained red is not golden evidence, regardless of whether its mechanism predates the batch. The update-set is signed, and every node's `spt update` verifies that signature: shipping on an explained red would make the signature attest to provenance grounded in a narrative rather than the gate. A signature must never attest to something weaker than the gate claims. **v0.45.0 having shipped carrying the same...\n 64:\n\n[Some lines truncated to 512 chars]"}],"details":{"scopePath":".worktrees/302-net-worker-stamps/docs/adr, .worktrees/302-net-worker-stamps/docs/KNOWN-HAZARDS.md","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\302-net-worker-stamps\\docs","cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core","matchCount":54,"fileCount":16,"files":[".worktrees/302-net-worker-stamps/docs/adr/0002-bake-networking-into-core-collapse-spt-node.md",".worktrees/302-net-worker-stamps/docs/adr/0003-multi-instance-node-anchored-identity-model.md",".worktrees/302-net-worker-stamps/docs/adr/0004-single-daemon-broker-brain-split-and-self-update.md",".worktrees/302-net-worker-stamps/docs/adr/0007-subnet-notification-primitive.md",".worktrees/302-net-worker-stamps/docs/adr/0011-branchstore-git-kv-state-substrate.md",".worktrees/302-net-worker-stamps/docs/adr/0016-platform-targeted-update-sets.md",".worktrees/302-net-worker-stamps/docs/adr/0030-robust-wan-subnet-join.md",".worktrees/302-net-worker-stamps/docs/adr/0033-wake-resume-via-reconcile-intent.md",".worktrees/302-net-worker-stamps/docs/adr/0034-per-minter-op-id-namespacing.md",".worktrees/302-net-worker-stamps/docs/adr/0040-bounded-stream-seat-lifecycle-one-way-terminal.md",".worktrees/302-net-worker-stamps/docs/adr/0041-endpoint-lifecycle-truth.md",".worktrees/302-net-worker-stamps/docs/adr/0043-terminal-render-lifecycle.md",".worktrees/302-net-worker-stamps/docs/adr/0045-endpoint-teardown-authority.md",".worktrees/302-net-worker-stamps/docs/adr/0046-notif-scope-supersession-quiet-delivery.md",".worktrees/302-net-worker-stamps/docs/adr/0050-golden-ci-merge-integration.md",".worktrees/302-net-worker-stamps/docs/KNOWN-HAZARDS.md"],"fileMatches":[{"path":".worktrees/302-net-worker-stamps/docs/adr/0002-bake-networking-into-core-collapse-spt-node.md","count":2},{"path":".worktrees/302-net-worker-stamps/docs/adr/0003-multi-instance-node-anchored-identity-model.md","count":1},{"path":".worktrees/302-net-worker-stamps/docs/adr/0004-single-daemon-broker-brain-split-and-self-update.md","count":3},{"path":".worktrees/302-net-worker-stamps/docs/adr/0007-subnet-notification-primitive.md","count":1},{"path":".worktrees/302-net-worker-stamps/docs/adr/0011-branchstore-git-kv-state-substrate.md","count":1},{"path":".worktrees/302-net-worker-stamps/docs/adr/0016-platform-targeted-update-sets.md","count":2},{"path":".worktrees/302-net-worker-stamps/docs/adr/0030-robust-wan-subnet-join.md","count":2},{"path":".worktrees/302-net-worker-stamps/docs/adr/0033-wake-resume-via-reconcile-intent.md","count":2},{"path":".worktrees/302-net-worker-stamps/docs/adr/0034-per-minter-op-id-namespacing.md","count":1},{"path":".worktrees/302-net-worker-stamps/docs/adr/0040-bounded-stream-seat-lifecycle-one-way-terminal.md","count":3},{"path":".worktrees/302-net-worker-stamps/docs/adr/0041-endpoint-lifecycle-truth.md","count":4},{"path":".worktrees/302-net-worker-stamps/docs/adr/0043-terminal-render-lifecycle.md","count":2},{"path":".worktrees/302-net-worker-stamps/docs/adr/0045-endpoint-teardown-authority.md","count":8},{"path":".worktrees/302-net-worker-stamps/docs/adr/0046-notif-scope-supersession-quiet-delivery.md","count":1},{"path":".worktrees/302-net-worker-stamps/docs/adr/0050-golden-ci-merge-integration.md","count":1},{"path":".worktrees/302-net-worker-stamps/docs/KNOWN-HAZARDS.md","count":20}],"truncated":true,"perFileLimitReached":20,"displayContent":"# .worktrees/302-net-worker-stamps/docs/\n## KNOWN-HAZARDS.md#11AC\n  77│- **Failure:** a shell perch's `status` has exactly two writers — the bind handshake (→`online`) and `close_shell` (→`offline`) — and `close_shell` runs on the **link-break** path alone. A binary that dies **abruptly** (force-kill, crash, OOM) breaks no link, so nothing ever writes the flip: the record says `online` forever while the pid it names is gone. Every consumer of the recorded field then inherits the lie — `shell list` reports online indefinitely; `relink` (the one command that recover...\n *78│- **Invariant:** ONLINE-ness is **derived**, never the recorded field alone: `status == online` AND the recorded process identity is not *provably* gone. Missing/unparseable/zero PID or unavailable birth evidence fails toward alive; a positively mismatching native birth identifies a recycled PID as gone. Derivation never promotes a recorded-offline instance. Derive at relink, drive/cmd-wake, discovery and activity renders; preserve the recorded field at writers, owner-suspend cleanup and watcher eligibil...\n  79│<!-- [doc->REQ-SHELL-PERSISTENT-BOOT-RESTORE] -->\n  80│- **One process generation per read (releases#287):** modern `shell.launch.json` atomically stores `pid`, native `pid_started_at`, and wall-clock `launched_ms`. A modern `pid: 0` means explicitly pidless/cleared and never falls back to the numeric `shell.pid` mirror. Legacy records without `pid` retain their old numeric-PID plus optional-birth read. Publish the complete JSON identity before updating the compatibility mirror; failed publication preserves the previous identity. Never delete the previous bi...\n  81│- **No spontaneous relaunch of a NONPERSISTENT same-boot death:** the releases#78 force-kill freeze still protects nonpersistent instances, so killing one to free its exe does not arm a watcher underneath an overwrite. Recovery remains demand-driven. **Persistent instances are exempt** (operator ruling, releases#287): a kill is not a request to keep a declared-persistent shell down; use `teardown` or a nonpersistent manifest instead.\n    │...\n  86│### 2.7 A daemon or machine restart strands `persistent` shells — and a graceful cascade fixture suppresses the failing arm `[REQ-HAZARD-RESTART-STRANDS-PERSISTENT-SHELLS]`\n *87│- **Failure:** a restart can leave an `online` record over a corpse without a link-break or suspend edge. The original boot sweep fixed only machine reboots: it rejected corpses launched after machine boot, so a daemon-only restart still stranded every persistent shell. The measured releases#287 specimen launched at machine boot +46s and stayed down for 27 hours after a daemon restart despite its owner being online.\n  88│- **The owner-facing surfaces HIDE the fault**, which is why it survived unreported for days: every display path (`shell list`, its `--json` twin, the shell-context render) routes through the ONE discovery seam, which **derives** status (2.6) and so correctly reports the binary as offline — while the only consumer whose decision matters, the wake cascade, reads the RECORDED field that no owner-facing surface shows. Absence of a visible symptom is therefore **not** evidence of absence of this fault, and...\n *89│- **The existing cascade test cannot fail on it — its SETUP SUPPRESSES THE FAILING ARM.** `rest_edges_cascade_shells_with_divergence` establishes its fixture by driving the suspend path, which itself writes the `offline` the code under test is supposed to encounter — so the restart shape (a record still saying `online` over a corpse, reached with **no** suspend edge) is unreachable from that fixture BY CONSTRUCTION. The test is not weak; it gives a true answer to the wrong question, so a reader askin...\n  90│- **Invariant:** a daemon-only or machine restart must not strand a persistent instance. **(a) Heal:** every reconcile cycle writes `offline` only where the derived birth-safe read contradicts recorded `online`; already-correct records are untouched. **(b) Restore:** the once-per-daemon-generation boot sweep and every owner offline→online edge run the same per-owner body. Relaunch every instance whose adapter declares `persistent`, whose owner is online, and whose binary is down in fact. There is **no ...\n *91│- **Regression shape:** construct recorded `online` over a corpse **without a suspend edge**, including a launch **after machine boot**, then bring its owner online after a spent boot sweep. Every stranded persistent sibling must be restored; offline owners and nonpersistent instances are not restored. Separately defend live/binding exclusion and the nonpersistent watcher freeze. Suspending in setup suppresses the failing arm and proves nothing about this class.\n  92│- **Per-owner enumeration:** the existing `SHELL_RECORD_HEALED:<owner>/<shell_id>` daemon diagnostic names **every** successfully healed instance, not one representative. Healthy and already-healed records produce no event. The restore diagnostics likewise identify each attempted instance and distinguish boot from owner-online triggers. <!-- [doc->REQ-SHELL-HEAL-ENUMERATION] -->\n  93│- **spt-core mapping:** `spt_daemon::shellwake::{heal_stale_online_records, restore_persistent_shells_at_boot, restore_persistent_shells_on_owner_online, OwnerOnlineEdge}`; `shellhost::live_launch_winner`; `spt_store::shellinfo::{ShellLaunch, shell_pid_provably_dead}`. `launch_predates_boot` and `BOOT_RESTORE_SLACK_MS` now govern only nonpersistent watcher eligibility.\n  94│- **Source:** BAROMETER W2 (releases#78); releases#287 operator ruling (2026-09-08), superseding the persistent force-kill freeze and boot-instant conjunct.\n    │...\n 147│- **Sister cite:** `src/owl/poll.rs:1-73`; `src/common/envelope.rs`.\n*148│- **CR-linesafety `[REQ-HAZARD-ENVELOPE-CR-LINESAFE]`:** the EVENT is LINE-FRAMED, so the codec must neutralize raw `\\r` too — `event_body_escape` folds CRLF/lone-CR to `\\n` (→`<br>`) **before** framing. **Failure (field, 2026-06-08):** a cross-node `spt send` from Windows (`echo` → CRLF) carried a raw `\\r` into the single-line envelope; the receiver terminal did a CR→column-0 overwrite (`</EVENT>` clobbered `<EVENT t`). `\\r` was never line-representable here, so normalizing it is robustness, not...\n 149│\n 150│### 4.2 Two-slice envelope parser is panic-free and tolerant\n 151│- **Failure:** malformed envelope (unclosed/misordered/nested tags) panics or drops output.\n    │...\n 308│- **Failure:** three readers each collapsed a **corrupt** (present-but-unparseable) `info.json` into their fail-open ABSENT default, so a NUL-wiped perch (5.13) read as permanently live: `is_perch_alive` returned `true` (unreadable ⇒ interim-alive), `advertised_status` then saw alive + no resting record ⇒ `Active`, and the daemon self-gossiped that Active row every round (epoch 173k+). Result: `hall-a`, dead since a machine restart, showed ONLINE in `spt whoami` and on every remote picker.\n*309│- **Invariant:** CORRUPT ≠ ABSENT. A record that EXISTS but stays unparseable across the retry budget is a **destroyed** record — never a live endpoint. `is_perch_alive` reads corrupt ⇒ **not alive** (ABSENT keeps interim-alive parity — the ONE case that stays true); `advertised_status` then lands corrupt in the cold arm ⇒ **Suspended**, never Active/Dormant. Readers that decide liveness/status must branch on the tri-state (present / absent / corrupt), not an `Option` that fuses the last two.\n*310│- **spt-core mapping:** `spt_store::liveness::{read_raw_state, is_perch_alive}` (the tri-state kernel) and `spt_daemon::registryhost::advertised_status` (cascades to Suspended off the alive fix). `list_self_perch_ids` deliberately still lists a corrupt dir by existence — that is the *visibility* the local-roster fix (counter-39 #3) relies on, not a liveness claim. Candidate sibling seam `is_registry_entry_alive` (corrupt hosted row falls to a daemon-pid probe) is parked — it does not produce the ONLI...\n*311│- **Source:** field diagnosis 2026-07-01 (operator, post-v0.19.0 restart) — counter-39 bug #2; sequel to the v0.17.0 W4 presence-truth fix (cold ⇒ Suspended) which a corrupt perch bypassed via false-alive.\n 312│\n 313│<!-- [doc->REQ-HAZARD-ATOMIC-TMP-COLLISION] -->\n 314│### 5.15 Fixed atomic-write tmp name → concurrent writers collide (loser renames a consumed file)  `[REQ-HAZARD-ATOMIC-TMP-COLLISION]`\n    │...\n 593│- **Invariant:** `reconcile_hosted_liveness`, when it offlines a sessionless controllable perch (the B2 keystone — no live broker session ⇒ dead harness), ALSO clears `driven_by` (`set_driven_by(perch, None)`). RACE-FREE and single-writer-safe: with NO live broker session there is no controller to re-stamp `driven_by` concurrently, so the brain may write it here without contending the broker. (The LIVE-session leg — a controller gone while its session survives — is NOT this hazard: a clean discon...\n*594│- **MEASURED 2026-07-22 (DAEMON-LIFECYCLE W2 Leg B, `transport_death_eof.rs`) — the residual SPLITS in two, and only one half is still open.** On REAL QUIC (two brokers, `BindScope::Loopback` + a real `net_dial` — NOT the in-process duplex, which has no idle timeout at all), a remote controller whose QUIC STACK DIES WITHOUT A FIN (peer frozen: endpoint alive, UDP port still bound, keepalives unanswered — the sleeping-laptop shape) DOES self-heal: the transport's own idle timeout tears the conn, the...\n 595│- **Watch-out (repro-proven, real broker):** `SessionInfo.controller_by==None` is AMBIGUOUS — `dispatch_spawn` pre-attaches the spawner as the LOCAL controller with `by=None`, so a live LOCALLY-driven session also reads `None`. It is therefore NOT a usable standalone `driven_by` clear trigger (would false-clear a live local session). The shipped Gap-B self-heal needs no controller signal at all (it keys on session ABSENCE).\n 596│- **spt-core mapping:** impl `livehost.rs` `reconcile_hosted_liveness` Gap-B clear + the additive `SessionInfo.controller_by` observability field (`msg.rs`, populated in `broker.rs` `KIND_SESSIONS`); unit `livehost.rs` `pull_liveness…` extended (offlined sessionless perch clears `driven_by`; live/relay perches untouched); int `crates/spt-daemon/tests/driven_by_selfheal.rs` `gap_b` (real broker: reconcile offlines AND clears `driven_by`) + the A1/A2 characterization (`inject_control_wedge.rs` w5_a1/w5_a2).\n 597│- **Cross-ref 7.29 (who MAY clear vs who MUST NOT):** the BRAIN reconcile here MUST NOT clear `driven_by` off `controller_by==None` (ambiguous with a live LOCAL controller). The BROKER stamp-convergence (7.29) MAY — it reads `has_controller()` DEFINITIVELY (its own controller slot), so it authoritatively clears a stale `driven_by` against a live session with no controller (the `has_controller()==false` leg). The invariant's owner for that leg moved to the broker; this brain-side ambiguity-safety is unc...\n    │...\n 692│### 7.27 A control/viewer stamp must NEVER outlive its session — every teardown path clears what attach stamped  `[REQ-HAZARD-CONTROL-STAMP-LIFETIME]`\n*693│- **Failure (F-026 #2, live evidence HFENDULEAM):** an spt-hosted endpoint stayed `ONLINE+CONTROLLED` after the operator's RC `/exit` — hours later hall-a's `info.json` still read `controlled:true` (status offline, dormant) and hfenduleam still GOSSIPED `controller_node=self` cross-node (SPT_DEV.json snapshot). ROOT: `/exit` kills the CHILD, not the controller connection, so the endpoint suspends via child termination and the teardown runs the REAP path (`broker.rs` exit-waiter → `sessions.remove(&id...\n 694│- **Invariant:** on session reap the broker clears the perch's control/viewer stamps — `OutputLog::stamp_reaped()` = `set_driven_by(None)` + `set_controlled(false)` + `set_viewer_count(0)` via the known endpoint id — so no teardown path leaves a stamp behind. The broker stays the SINGLE writer; the clear is unconditional (idempotent when already clear) and RACE-FREE — the session is dead, so there is no live controller to re-stamp concurrently (the same argument as 7.15's no-session leg). Best-effo...\n 695│- **spt-core mapping:** impl `broker.rs` `OutputLog::stamp_reaped` + the exit-waiter reap call (before `sessions.remove`); int (real broker+PTY, no mocks) `crates/spt-daemon/tests/control_stamp_lifetime.rs` `reap_clears_control_and_viewer_stamps` (spawn hosted session → the live controller stamps `controlled=true` → latch `driven_by`+`viewer_count` on disk → KILL the child → the reap clears all three; RED-first verified: fix disabled leaves `driven_by=Some`, `controlled=true`, `viewer_count=Some(...\n 696│- **Source:** F-026 W1 #2 (BUILD-F026-PICKERTRUTH; doyle triage + gate, todlando build 2026-07-03).\n    │...\n 713│- **Invariant:** the broker (SINGLE writer) re-asserts each live session's control/viewer stamps to session-table TRUTH, DIVERGENCE-GATED — read the perch's recorded `(driven_by, controlled, viewer_count)`, compare to the live truth (`controller_by()` / `has_controller()` / live `viewer_count`), and write ONLY on a real difference (no per-poll fsync storm). The re-assert rides the `KIND_SESSIONS` handler (the daemon reconcile + picker poll it on cadence), so a fresh perch CONVERGES within one reconcile...\n*714│- **Coverage boundary (who MAY clear vs who MUST NOT — cross-ref 7.15):** the convergence's `driven_by`-clear leg fires ONLY when `has_controller()==false` — the DEFINITIVE broker signal (it reads its OWN controller slot, not the ambiguous `controller_by`). That is why the broker MAY clear a stale `driven_by` where the BRAIN reconcile (7.15) MUST NOT: the brain only sees `controller_by==None`, which a live LOCAL controller also reads, so a brain clear would false-heal a genuinely-driven session. This...\n 715│- **spt-core mapping:** impl `broker.rs` `stamp_divergence` (pure gate) + `converge_perch_stamps` (off-lock, single-writer, skips a perch-less/corrupt endpoint) + `OutputLog::has_controller`/`live_viewer_count` (snapshot accessors) + the `KIND_SESSIONS` handler (snapshot-under-lock → converge-off-lock); unit `broker.rs` `stamp_divergence_gates_writes` (no-diff → no write; `controlled false→true` = the stamp-before-bind case; driven_by / viewer / both); int (real broker+PTY) `control_stamp_lifetime....\n 716│- **Source:** F-026 W1-addendum (BUILD-F026-PICKERTRUTH; doyle stamp-gap dispatch + convergence ruling + KIND_SESSIONS-hook approval, todlando build 2026-07-03).\n 717│\n    │...\n 733│<!-- [doc->REQ-EFFECTIVE-INSTANCE-STATE] -->\n*734│- **Failure (paid-for, field evidence):** two rest-state readers derived the effective instance state independently. `registryhost::advertised_status` read it liveness-aware (cold ⇒ Suspended); `resting::apply_event` derived its `from` off the stored `rest_state` intent field ALONE (`unwrap_or(RestState::Active)`). A cold (offline) perch with no resting intent therefore looked **Active** to `apply_event` — so a `Wake` event found it \"already in the target state\", the pure table returned `None`, and t...\n 735│- **Invariant:** the effective resting state of a perch is derived through the ONE shared `resting::effective_rest_state(alive, unbound, intent)` — liveness discriminates warm from cold, stored intent refines only *within* warm, and absent intent NEVER defaults active. Both `advertised_status` (via a RestState→Status map) and `apply_event`'s `from` route through it, so the two readers can never drift. Any new rest-state reader MUST use the same derivation — two independent derivations WILL disagree...\n*736│- **spt-core mapping:** `spt_daemon::resting::effective_rest_state` is the single derivation; `advertised_status` and `apply_event` both delegate. unit = a pure 3×4 liveness×intent table + two `apply_event` wire tests (a cold void perch Wakes as a real Suspended→Active edge; a cold void Suspend is a no-edge that fires no echo), each RED-first against the old `unwrap_or(Active)`.\n 737│- **Source:** REMOTE-TRUTH A-1 (effective-instance-state shared derivation), ADR-0033 §Decision (Q1 ruling: one shared derivation).\n 738│\n 739│### 7.33 NO bare `.lock().unwrap()` on a broker-resident lock reachable from serve/dispatch — a poison permanently wedges every attach  `[REQ-HAZARD-BROKER-FLOOR-LOCK-POISON]`\n    │...\n 758│\n*759│### 7.36 The broker control plane and PTY fan-out must NEVER block on a single subscriber connection — a suspended brain conn must not wedge control  `[REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE]`\n 760│<!-- [doc->REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE] -->\n*761│- **Failure (paid-for, rig-CONFIRMED 2026-07-06/07 — `NtSuspendProcess` on the brain, no update involved):** a controller's writer thread does a BLOCKING socket write to its brain subscriber conn. When that brain is suspended (or black-holed) the write never returns. The output-driven eviction path (`append` → `mark_controller_gone`, bounded by 7.12's `CONTROLLER_WRITE_DEADLINE`) only fires on NEW output, and `reap_dead_controller` (7.29 companion) only caught a writer that had EXITED — so a contro...\n*762│- **Invariant:** no broker client ever observes a wedge because the BRAIN stalled. (1) The controller's writer publishes its IN-FLIGHT-write window (`write_blocked_since`: `Some(Instant)` set immediately before the blocking `write_frame`, `None` after — the mutex never held ACROSS the write); a reader sees a `Some` older than `BRAIN_WRITE_DEADLINE` (15 s = 3× the 7.12 controller bound, measured full-with-**zero writer progress**, so a slow-but-DRAINING brain never trips it) as a WEDGED writer and stal...\n*763│- **spt-core mapping:** `broker.rs` — `ControllerSink::write_blocked_since` + `controller_writer` (marks the in-flight window around both the initial-batch and live-loop writes) + `controller_write_stalled` (pure predicate over injected `now`/`deadline`) + `stall_evict_controller` (Inline stamp at `resolve_subscribe`, Deferred stamp at `reap_dead_controller` so the reap closure does no I/O under the shared sessions lock) + `record_stall_evict`/`stall_evict_stats` (the tally) + `dispatch_stall_evicts` (...\n*764│- **Source:** LIFECYCLE-TRUTH W2 (doyle rig `NtSuspendProcess` root + design ruling `docs/W2-DESIGN-RULING.md` @60ec0ed — minimal-plus scope, `BRAIN_WRITE_DEADLINE` 15 s, passive resubscribe + observability rider; todlando build 2026-07-07). The v0.27→v0.28 update-wedge night's flagship defect.\n 765│\n 766│### 7.37 The Layer-1 settle-gate must RE-ARM per delivery on an observable PTY — a mid-session reader reattach (`/clear`) re-creates the head-swallow race  `[REQ-HAZARD-INJECT-SETTLE-REARM]`\n 767│<!-- [doc->REQ-HAZARD-INJECT-SETTLE-REARM] -->\n    │...\n 774│<!-- [doc->REQ-HAZARD-SHAREDSEND-NO-BLOCKING-WRITE-UNDER-LOCK] -->\n*775│- **Failure (paid-for, field capture + deterministic Windows repro 2026-07-09 — hertz RCA, UPDATE-WEDGE round-4):** `controller_writer` held the `SharedSend = Arc<Mutex<SendHalf>>` guard ACROSS a blocking `write_frame`. On Windows, `interprocess 2.4.2` routes the send to `WriteFileEx` + `SleepEx(INFINITE, alertable)` — this local-socket send path exposes **no supported write timeout** (`set_timeout` → `Unsupported`). An `rc --take` controller consumer that stopped reading blocked the write **indefi...\n 776│- **Invariant:** every write on a physical broker connection rides ONE broker-owned bounded/cancelable framed-write primitive with an **independent out-of-band aborter**. The `SendHalf` never leaves the conn object (a bypass cannot compile). An ABSOLUTE deadline stamped at write entry covers BOTH the serialized gate-wait AND OS write completion; a per-conn watchdog fires at that deadline and aborts the in-flight op — never relying on the write returning or on opportunistic stall-evict sampling. On dead...\n*777│- **spt-core mapping:** `spt-daemon/src/conn.rs` `BrokerConn` (Condvar-gated serialized write gate + poisoned state + per-in-flight op id + watchdog + `abort_physical()`: cfg(windows) `CancelIoEx` → completion handshake → `DisconnectNamedPipe` raw kernel32 externs; cfg(unix) `UnixStream::shutdown(Both)`); `broker.rs` `SharedSend = Arc<BrokerConn>` + `controller_writer`/`viewer_writer`/`send_frame`/`send_error` routed; `nethost.rs` stream-log/presence sends routed. int = `brain_decouple.rs` `non_drain...\n 778│- **Source:** UPDATE-WEDGE round-4 (hertz root doc `docs/UPDATE-WEDGE-ROOT-CAUSE.md` @f8596ca; doyle gate ruling `docs/UPDATE-WEDGE-RCA-DISPATCH-todlando.md`; todlando build 2026-07-09). The residual 7.36 left open: logical eviction without physical retirement.\n 779│\n 780│---\n\n## adr/\n### 0002-bake-networking-into-core-collapse-spt-node.md#1398\n 16│\n*17│The sister project (`claude_skill_owl`) decided networking should live in a separate `spt-node` daemon, explicitly to decouple the network stack from SPT's Claude-Code-tied core binary, expose SPT-protocol-as-product, and let networking evolve on its own release cycle. That decision predates spt-core.\n 18│\n 19│spt-core is a ground-up, harness-independent rebuild. The primary reason `spt-node` was separate — decoupling networking from a CC-tied binary — no longer exists, because spt-core is already decoupled from any harness. Meanwhile the product goal for networking sharpened: WAN cross-machine messaging should be **first-class and zero-config — \"just works.\"**\n 20│\n   │...\n 22│\n*23│Bake the WAN transport stack (Iroh + mDNS LAN discovery + pairing) into spt-core's library crates, behind a compile-time `net` feature flag (default-on in the reference binary, optional for embedded library consumers).\n 24│\n 25│\"Just works WAN, reachable even when no session is running\" requires a persistent per-machine network presence — the exact job `spt-node` was created to do. spt-core already commits to a single always-on, one-per-machine `spt-daemon` to supervise PTYs (the terminal wrapper). **Collapse the network-host role into that same daemon (option B1).** One process owns both PTYs and the node identity + WAN endpoint.\n 26│\n### 0003-multi-instance-node-anchored-identity-model.md#4E29\n 49│- **#9 — dormant-warm default has real resource/security cost.** Warm sessions retain credentials, file locks, model/billing footprint, PTYs, watchers on *every* node. **Required:** measure N dormant sessions on real adapters; define an adapter-specific warm/cold policy + resource budget before locking warm as the default (R-INST-3).\n*50│  **CLOSED 2026-06-04 (M4-D9-3):** measured with the env-gated harness (`crates/spt-daemon/tests/budget.rs`, `SPT_BUDGET=1`) on the rig — an idle warm seat burns **zero CPU**; the cost is RSS only (~8 MiB shell-class, ~300 MiB LLM-harness-class; suspended residual = the on-disk record). Policy locked in `docs/DORMANCY-BUDGET.md`: warm default **confirmed**, auto-suspend opt-in default OFF with the global → node → endpoint `auto_suspend_after_ms` knob chain (D9-2), constrained nodes default the node...\n### 0004-single-daemon-broker-brain-split-and-self-update.md#B832\n 12│\n*13│2. **Seamless self-update with a hard no-terminate constraint.** Self-update is a day-one pillar. The constraint: *no endpoint process may terminate or suspend during an spt-core update* — we cannot assume every endpoint can safely suspend. The naive \"drain + restart the daemon\" approach violates this for spt-hosted sessions (the daemon owns their PTY; killing the daemon SIGHUPs the child).\n 14│\n 15│## Decision\n 16│\n   │...\n 26│\n*27│**Self-update delivery:** peer-propagated over P2P, layered on self-fetch, out-of-band still supported. All binaries signature-verified before handoff (spt-core's own release key) regardless of source — peer-propagation otherwise lets one compromised node poison the subnet. spt-core conducts updates for the whole stack: self first, then ripple-update each registered adapter via the adapter manifest's update declaration (file-pull or delegated command). The plugin's role shrinks to initial bootstrap only.\n 28│\n 29│**Cadence/consent:** not fully automatic by default; gated on user confirmation delivered to the most-recently-active live session, with an opt-in full-auto choice.\n 30│\n   │...\n 47│- **broker-compatible** — broker binary swap behind a versioned IPC the running broker can hot-accept; endpoints survive; no spike yet.\n*48│- **broker-breaking** — held-resource-type or OS-API change; requires a *planned endpoint-cycle*. R-UPD-3 is explicitly weakened here: this class MAY suspend endpoints, with consent + scheduling. PRD R-UPD-3 must be reworded to scope the absolute guarantee to brain-only.\n 49│\n 50│### B. Ownership table (resolves FATAL #4 — \"any live stream owned by brain breaks the invariant\")\n 51│The boundary is normative, not \"broker holds fds, brain holds logic.\" A resource is broker-owned **iff** a live consumer would lose continuity on brain restart.\n### 0007-subnet-notification-primitive.md#5F7E\n 17│- **First-fire** → the user's most-recently-active endpoint in that subnet (presence resolution). **Resurface** undismissed notifs at existing reported boundaries — state→active (`wake`), `api boundary clear`, `api boundary compact`, new-session-start — gated by *seen-per-endpoint* plus a **cross-endpoint suppression timeout** (default ~1h) so a notif can't bounce between endpoints. Scoped to subnets the endpoint is **visible in** (ADR-0006).\n*18│- **Delivery reuses messaging.** A notif to an agent is a notif-flavored envelope delivered to the agent's perch via the existing path; the agent surfaces it. An optional **`notif_command` manifest template** (on **both** harness-adapter and shell-adapter manifests) renders it endpoint-native (OS toast, GameRobot `alert-symbol`), combinable with agent-surface. If presence resolves to a **Shell** attached to the endpoint, the notif renders via *that shell's* template — the v1 seam and the M5 generalizat...\n 19│- **`spt notify`** lets any agent issue a subnet-wide notif (v1: reaches the user on their active endpoint). The **envelope `from`** carries the issuer's endpoint id + node + subnet (subnet surfaced only to multi-subnet receivers).\n 20│\n 21│## Consequences\n### 0011-branchstore-git-kv-state-substrate.md#9296\n 30│filesystem — as the substrate for **coarse, durable, audited** state. It lives at\n*31│the bottom of the stack (`spt-store`) so context sync, the registry, and daemon\n 32│checkpointing share one abstraction rather than each re-inventing persistence.\n 33│\n 34│**BranchStore is for:**\n### 0016-platform-targeted-update-sets.md#B972\n 38│\n*39│Debug rollout may carry broker-touching updates. Brain-only debug applies keep the normal no-endpoint-termination invariant. If the candidate class requires replacing the broker, apply requires the node to quiesce first: no broker-held endpoints or live resources may be running, and tooling must refuse with a typed \"shut down/suspend hosted endpoints first\" result rather than cycling them implicitly.\n 40│\n*41│The first broker-touching debug flow refuses only; it does not auto-suspend or auto-shutdown endpoints. The refusal should list the blocking broker-held endpoints/resources and print the commands needed to quiesce them, preserving lifecycle control with the operator.\n 42│\n 43│Initiation is local staging plus normal pull-based peer propagation. The debug driver writes the signed update set into the local daemon's staged-release cache and may poke the daemon to advertise/check immediately for responsiveness, but it must not introduce a bespoke \"push this binary to node X\" path.\n 44│\n### 0030-robust-wan-subnet-join.md#7626\n 10│\n*11│A remote machine (SCELTOUIN) could not join an spt subnet over WAN: it \"never found a machine,\" then silently stopped — no error. Diagnosis (confirmed by toggling the variable): the host had **half-broken IPv6** (AAAA records resolve, the IPv6 path is dead). spt's iroh endpoint binds **dual-stack** and attempts both families for n0 discovery (`dns.iroh.link`) and the rendezvous hole-punch; the dead-IPv6 attempts don't refuse, they **silently time out**, burning the 30 s rotating-rendezvous window (`SEA...\n 12│\n 13│Three defects surfaced behind one symptom:\n 14│\n   │...\n 28│\n*29│spt-core controls which IP families the iroh endpoint binds (`NetEndpoint::bind`). At bind, probe each family's reachability **once** and bind **only the families that actually work**: dual-stack when both are healthy, IPv4-only when IPv6 is the half-broken kind, **IPv6-only when IPv4 is the dead one** (drop the *dead* family, never a fixed \"prefer IPv4\" — IPv6-only networks must still work). Re-evaluated on daemon restart. Explicit overrides `SPT_DISABLE_IPV6` / `SPT_DISABLE_IPV4` force a family off (...\n 30│\n 31│### 3. Diagnosable join\n 32│\n### 0033-wake-resume-via-reconcile-intent.md#E3F9\n  6│\n *7│CONTEXT promises `suspended` = \"resumed-on-wake\", but the wake edge only\n  8│writes the rest-intent field; nothing resumes a cold session (field bugs:\n  9│`WOKE:… -> Active` with the endpoint still cold; `NO_EDGE` on a\n*10│definitely-suspended endpoint). Two candidate mechanisms: the wake edge\n 11│spawns the resume synchronously, or the edge stays thin and the daemon's\n 12│reconcile machinery performs the resume.\n 13│\n### 0034-per-minter-op-id-namespacing.md#4E09\n 56│  forever and poison that discriminant. Uniform rule, no exceptions: every\n*57│  minter declares a tag; the random base becomes belt-and-suspenders.\n 58│- **One canonical minter enum.** The numeric key discriminant and the journal\n 59│  line's minter token derive from a single enum (one source for numeric +\n 60│  textual form) — two independent mappings WILL drift.\n### 0040-bounded-stream-seat-lifecycle-one-way-terminal.md#BAEB\n 170│The half-open case decision 6 could not reach: the opener's conn is never\n*171│closed, because the peer's QUIC stack simply stops. Never measured on real QUIC\n 172│before W2 — the standing \"clears on NEITHER platform at ANY window\"\n 173│characterization was taken on the in-process duplex, where this shape is\n 174│**unstageable by that code's own comment**.\n    │...\n 192│**Staging class — what the number is a number ABOUT.** The peer models a\n*193│**QUIC-STACK-DEAD** host: its net runtime is frozen, so the endpoint is alive\n 194│and its UDP port stays BOUND while nothing is ever sent or answered. That\n 195│distinction is load-bearing and asserted, not assumed: a bare host drop or a\n 196│process kill CLOSES the socket, which answers keepalives with ICMP\n    │...\n 226│DEAD-transport-no-FIN half only. The **ALIVE-but-WEDGED** controller (KH 7.15\n*227│A2 — the QUIC stack keeps answering keepalives while only the app writer is\n 228│parked) never fires an idle timeout at all, so nothing in the transport-death\n 229│class reaches it. That leg stays deferred, and a green transport-death rig must\n 230│never be read as covering it.\n### 0041-endpoint-lifecycle-truth.md#231E\n  52│3. **Definitive death normalizes terminally and atomically.** One store-level mutation —\n *53│   `status=offline` + `rest_state=suspended` + clear `dormant_since_ms` in the SAME\n  54│   info.json write — invoked at every definitive hosted-session-loss point (authoritative\n  55│   broker session loss, liveness reap, `cmd_stop`). Explicitly NOT\n *56│   `daemon_rest_event(Suspend)` (no edge when effective state is already Suspended — the\n *57│   raw Active intent survives), and NOT a reader-side blanket offline⇒suspended (that\n  58│   destroys explicit-Wake semantics: wake writes intent first, reconcile consumes it).\n  59│   Graceful shutdown keeps its echo-before-teardown; this is terminal normalization for\n  60│   non-graceful death.\n    │...\n 115│\n*116│- A dead endpoint converges to offline+suspended+uncontrolled within one reconcile, from\n 117│  every death path, and stays there until an explicit wake or run — no resurrection loops,\n 118│  no zombie control latches, no immortal hybrid rows.\n 119│- `--create` becomes a contract: success ⇒ a fresh session exists; conflict ⇒ typed, loud,\n### 0043-terminal-render-lifecycle.md#DBD9\n 59│   TUI return structured outcomes and write NOTHING to the terminal; the TUI converts\n*60│   outcomes to model state (picker purge → `model.flash`). Alternatives (suspend/restore\n 61│   + forced baseline reset) are fallbacks, not the design. Baseline-desync regressions\n 62│   require a stateful/recording backend — pure view snapshots cannot catch them.\n 63│   <!-- [doc->REQ-SCREENGRID-REPAINT-MODE-REPLAY] -->\n   │...\n 74│idempotent and comprehensive (panic path included). Explicitly rejected: importing a\n*75│multiplexer stack; committing a baseline while ignoring write errors.\n 76│\n 77│## Consequences\n 78│\n### 0045-endpoint-teardown-authority.md#9AED\n   4│- Source: two hertz field RCAs, both doyle code-verified the same day.\n  *5│  (1) `endpoint shutdown` reports `Active -> Suspended` while the broker-hosted session,\n   6│  its harness child, and the child `spt api listen` all keep running (native GNU 0.33.0,\n   7│  independently reproduced on HFENDULEAM, defect present in 0.38.1).\n   8│  (2) `endpoint stop` has the same hole, and it composes with `endpoint run`'s correct\n    │...\n  18│\n *19│`cmd_shutdown` (cli.rs) is two legs: remove the ready marker, then `cmd_rest(Suspend)`.\n *20│The Suspend edge fires the echo commune, the shell cascade, and a re-advertise — it never\n  21│touches a session. The verb even probes broker-session truth first\n  22│(`has_live_session_honest`) purely to force `from=alive` so it does not lie `NO_EDGE`; it\n  23│therefore *knows* the session is live, reports the transition, and leaves it running.\n    │...\n  48│  the un-transferable resources it holds; CONTEXT.md:30 gives the daemon the PTYs for all\n *49│  hosted sessions. CONTEXT.md:628 defines *suspended* as \"the harness session is closed\".\n  50│  Compose them: the entity that must close the session is the entity that holds it. No\n  51│  adapter can reap a process it did not spawn.\n  52│- CONTEXT.md:190 calls `endpoint stop` the \"soft teardown\", but the axis there is\n    │...\n  67│A teardown verb never stamps a terminal or resting state it has not caused. For an\n *68│endpoint whose session is broker-hosted, \"stopped\" and \"suspended\" both mean the broker\n  69│session row is gone and its process subtree is reaped. Where core holds no process, a\n  70│teardown verb claims nothing about processes.\n  71│\n    │...\n  90│`shutdown` (graceful): echo commune + shell cascade FIRST, then teardown; result\n *91│`rest_state=suspended`. `stop` (definitive): no ceremony; result `terminal_normalize`.\n  92│Teardown, reap, bounded await, and postcondition are identical.\n  93│\n  94│<!-- [doc->REQ-TEARDOWN-UNCOOPERATIVE-HOST] -->\n    │...\n  99│**5. `stop` fires NO echo commune — a deliberate, documented deviation from\n*100│CONTEXT.md:647.** A literal reading of 647 (\"any active → (dormant|suspended) transition\n 101│fires an echo commune\") would demand one, since `stop` crosses that edge. It is ruled out\n 102│because an echo requires a responsive harness, and `stop` exists precisely to work when\n 103│the harness is wedged; an echo-with-timeout would re-import the hang the verb exists to\n    │...\n 136│  the field procedure that recovered doyle becomes the verb's own behavior.\n*137│- The existing unit `shutdown_soft_stops_and_suspends` asserts marker removal plus stored\n 138│  intent only, i.e. it asserts the bug. It is rewritten, not extended.\n 139│- `stop` on a wedged host now costs the final context delta (decision 5). Documented at\n 140│  the verb, not just here.\n### 0046-notif-scope-supersession-quiet-delivery.md#EEFE\n 19│  v0.38.0 available\" survives v0.39.0 being installed, forever. Successive releases\n*20│  stack rows; nobody runs `spt notif dismiss`.\n 21│- **PTY interruption.** Notif delivery rode the default message window (live\n 22│  TCP first), so notifs land mid-anything in a live adapter session's PTY — for\n 23│  content that is by definition non-urgent.\n### 0050-golden-ci-merge-integration.md#4220\n 60│\n*61│The release runbook's dedicated release-PR rule and this ADR's fast-forward-only rule conflict under golden CI. A release PR stacked after the ruled tip would put the tag on a commit no golden run tested: the runbook's own feared unvalidated release commit, reached through the other door. **Tested SHA equals shipped SHA outranks bump-in-PR.** The version bump, lockfile, generated docs, and changelog ride the milestone batch and are tested with it.\n 62│\n 63│Main advances only to a SHA whose golden run is **green**. “Tested” means the suite passed; an explained red is not golden evidence, regardless of whether its mechanism predates the batch. The update-set is signed, and every node's `spt update` verifies that signature: shipping on an explained red would make the signature attest to provenance grounded in a narrative rather than the gate. A signature must never attest to something weaker than the gate claims. **v0.45.0 having shipped carrying the same...\n 64│","linesTruncated":true,"meta":{"limits":{"columnTruncated":{"maxColumn":512}}}},"isError":false,"timestamp":1789543931285}}
{"type":"message","id":"4bf407ca","parentId":"937a5161","timestamp":"2026-09-16T07:32:11.321Z","message":{"role":"user","content":"Current interruptible wait interrupted: IRC message from parent agent `Main`.\n\nParent IRC message:\n\nConfirmed SPT_NET_DIAG_SYMBOL_DIR absolute local flat directory .spt/preserved/302/symbols/flat; reject network/search-list syntax, no automatic fetching. Main sets only smoke/forced private environment and records resolved path. Current-executable directory must remain in DbgHelp search for its matched PDB. New capture raw times must use shared process mono origin; processing duration remains explicit.","attribution":"agent","timestamp":1789543927469,"steering":true}}
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{"type":"custom_message","customType":"irc:incoming","content":"<irc>\nIncoming IRC message from agent `SymbolCache302`:\n\nConfirmed will stage validated flat/*.pdb (hardlinks when available). Actual recorded missing PCs map to local loaded ntdll (base 0x7ff8bd240000, RVAs aad6c/1600e4), KERNELBASE (0x7ff8ba590000, 1c11f), KERNEL32 (0x7ff8bbb10000, 2e957) via GetModuleHandleEx FROM_ADDRESS in preparation process. Recording mapping method explicitly; no captured module map exists.\n\nSent while waiting/working. Active interruptible wait stopped early for immediate reading.\n\nIf response expected, reply via `hub` (`op: \"send\"`, `to: \"SymbolCache302\"`); may finish current step first. No one replies on your behalf.\n</irc>","display":true,"details":{"id":"158195bd2d9c8d9d","from":"SymbolCache302","message":"Confirmed will stage validated flat/*.pdb (hardlinks when available). Actual recorded missing PCs map to local loaded ntdll (base 0x7ff8bd240000, RVAs aad6c/1600e4), KERNELBASE (0x7ff8ba590000, 1c11f), KERNEL32 (0x7ff8bbb10000, 2e957) via GetModuleHandleEx FROM_ADDRESS in preparation process. Recording mapping method explicitly; no captured module map exists."},"attribution":"agent","id":"379bfdbf","parentId":"e2380f63","timestamp":"2026-09-16T07:32:29.494Z"}
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{"type":"message","id":"910aad61","parentId":"fd01f9c3","timestamp":"2026-09-16T07:33:03.646Z","message":{"role":"assistant","content":[{"type":"toolCall","id":"call_Tdq7pv02UPVhvKoAWYzeB1LC|fc_0087a3f074a9af55016aaa462c219087d284818d9d3588e201","name":"eval","arguments":{"language":"py","code":"import json\nfrom pathlib import Path\nforced_rows = [json.loads(line) for line in Path('.spt/preserved/302/todlando-windows/forced-1/analysis/stacks.jsonl').read_text().splitlines()]\ndisplay([{k: row.get(k) for k in ('capture_duration_ms', 'perturbation')} for row in (forced_rows[0], forced_rows[-1])])","title":"Reading preserved timing values","timeout":30,"reset":false},"intent":"Reading preserved timing values"}],"api":"openai-codex-responses","provider":"openai-codex","model":"gpt-6-astra","usage":{"input":1019,"output":123,"cacheRead":55296,"cacheWrite":0,"totalTokens":56438,"cost":{"input":0.010190000000000001,"output":0.00615,"cacheRead":0.055296,"cacheWrite":0,"total":0.071636}},"stopReason":"toolUse","timestamp":1789543967144,"responseId":"resp_0087a3f074a9af55016aaa461f899087d2ab27dc5f280a17ec","providerPayload":{"type":"openaiResponsesHistory","provider":"openai-codex","dt":true,"items":[{"id":"fc_0087a3f074a9af55016aaa462c219087d284818d9d3588e201","type":"function_call","status":"completed","arguments":"{\"language\":\"py\",\"code\":\"import json\\nfrom pathlib import Path\\nforced_rows = [json.loads(line) for line in Path('.spt/preserved/302/todlando-windows/forced-1/analysis/stacks.jsonl').read_text().splitlines()]\\ndisplay([{k: row.get(k) for k in ('capture_duration_ms', 'perturbation')} for row in (forced_rows[0], forced_rows[-1])])\",\"title\":\"Reading preserved timing values\",\"timeout\":30,\"reset\":false}","call_id":"call_Tdq7pv02UPVhvKoAWYzeB1LC","internal_chat_message_metadata_passthrough":{"create_time":1789543967.853127,"turn_id":"d1a07d1e-fef1-4d6d-92bb-2d11c4058be3"},"name":"eval","metadata":{"turn_id":"d1a07d1e-fef1-4d6d-92bb-2d11c4058be3"}}]},"duration":16499.7901000008,"ttft":13011.850699998438,"completedAt":1789543983644,"contextSnapshot":{"promptTokens":56315,"nonMessageTokens":16994,"compactionEpoch":0}}}
{"type":"message","id":"15f7fb25","parentId":"910aad61","timestamp":"2026-09-16T07:33:03.659Z","message":{"role":"toolResult","toolCallId":"call_Tdq7pv02UPVhvKoAWYzeB1LC|fc_0087a3f074a9af55016aaa462c219087d284818d9d3588e201","toolName":"eval","content":[{"type":"text","text":"[{'capture_duration_ms': 281, 'perturbation': {'backend': 'windows-x64-copied-stack', 'suspend_duration_us': 58, 'suspend_duration_is_upper_bound': True, 'stack_copy_phase_us': 61, 'symbol_lock_wait_us': 1, 'symbolization_us': 280432, 'initialization_us': 121525, 'first_capture': True, 'captures_are_sequential': True, 'stack_buffer_bytes_per_worker': 2097152, 'frame_limit': 128}}, {'capture_duration_ms': 98, 'perturbation': {'backend': 'windows-x64-copied-stack', 'suspend_duration_us': 56, 'suspend_duration_is_upper_bound': True, 'stack_copy_phase_us': 58, 'symbol_lock_wait_us': 1, 'symbolization_us': 96908, 'initialization_us': 121525, 'first_capture': False, 'captures_are_sequential': True, 'stack_buffer_bytes_per_worker': 2097152, 'frame_limit': 128}}]\n\ndisplay[1]:\n[\n  {\n    \"capture_duration_ms\": 281,\n    \"perturbation\": {\n      \"backend\": \"windows-x64-copied-stack\",\n      \"suspend_duration_us\": 58,\n      \"suspend_duration_is_upper_bound\": true,\n      \"stack_copy_phase_us\": 61,\n      \"symbol_lock_wait_us\": 1,\n      \"symbolization_us\": 280432,\n      \"initialization_us\": 121525,\n      \"first_capture\": true,\n      \"captures_are_sequential\": true,\n      \"stack_buffer_bytes_per_worker\": 2097152,\n      \"frame_limit\": 128\n    }\n  },\n  {\n    \"capture_duration_ms\": 98,\n    \"perturbation\": {\n      \"backend\": \"windows-x64-copied-stack\",\n      \"suspend_duration_us\": 56,\n      \"suspend_duration_is_upper_bound\": true,\n      \"stack_copy_phase_us\": 58,\n      \"symbol_lock_wait_us\": 1,\n      \"symbolization_us\": 96908,\n      \"initialization_us\": 121525,\n      \"first_capture\": false,\n      \"captures_are_sequential\": true,\n      \"stack_buffer_bytes_per_worker\": 2097152,\n      \"frame_limit\": 128\n    }\n  }\n]"}],"details":{"language":"python","languages":["python"],"cells":[{"index":0,"title":"Reading preserved timing values","code":"import json\nfrom pathlib import Path\nforced_rows = [json.loads(line) for line in Path('.spt/preserved/302/todlando-windows/forced-1/analysis/stacks.jsonl').read_text().splitlines()]\ndisplay([{k: row.get(k) for k in ('capture_duration_ms', 'perturbation')} for row in (forced_rows[0], forced_rows[-1])])","language":"python","output":"[{'capture_duration_ms': 281, 'perturbation': {'backend': 'windows-x64-copied-stack', 'suspend_duration_us': 58, 'suspend_duration_is_upper_bound': True, 'stack_copy_phase_us': 61, 'symbol_lock_wait_us': 1, 'symbolization_us': 280432, 'initialization_us': 121525, 'first_capture': True, 'captures_are_sequential': True, 'stack_buffer_bytes_per_worker': 2097152, 'frame_limit': 128}}, {'capture_duration_ms': 98, 'perturbation': {'backend': 'windows-x64-copied-stack', 'suspend_duration_us': 56, 'suspend_duration_is_upper_bound': True, 'stack_copy_phase_us': 58, 'symbol_lock_wait_us': 1, 'symbolization_us': 96908, 'initialization_us': 121525, 'first_capture': False, 'captures_are_sequential': True, 'stack_buffer_bytes_per_worker': 2097152, 'frame_limit': 128}}]\n\ndisplay[1]:\n[\n  {\n    \"capture_duration_ms\": 281,\n    \"perturbation\": {\n      \"backend\": \"windows-x64-copied-stack\",\n      \"suspend_duration_us\": 58,\n      \"suspend_duration_is_upper_bound\": true,\n      \"stack_copy_phase_us\": 61,\n      \"symbol_lock_wait_us\": 1,\n      \"symbolization_us\": 280432,\n      \"initialization_us\": 121525,\n      \"first_capture\": true,\n      \"captures_are_sequential\": true,\n      \"stack_buffer_bytes_per_worker\": 2097152,\n      \"frame_limit\": 128\n    }\n  },\n  {\n    \"capture_duration_ms\": 98,\n    \"perturbation\": {\n      \"backend\": \"windows-x64-copied-stack\",\n      \"suspend_duration_us\": 56,\n      \"suspend_duration_is_upper_bound\": true,\n      \"stack_copy_phase_us\": 58,\n      \"symbol_lock_wait_us\": 1,\n      \"symbolization_us\": 96908,\n      \"initialization_us\": 121525,\n      \"first_capture\": false,\n      \"captures_are_sequential\": true,\n      \"stack_buffer_bytes_per_worker\": 2097152,\n      \"frame_limit\": 128\n    }\n  }\n]","status":"complete","exitCode":0,"durationMs":11}],"jsonOutputs":[[{"capture_duration_ms":281,"perturbation":{"backend":"windows-x64-copied-stack","suspend_duration_us":58,"suspend_duration_is_upper_bound":true,"stack_copy_phase_us":61,"symbol_lock_wait_us":1,"symbolization_us":280432,"initialization_us":121525,"first_capture":true,"captures_are_sequential":true,"stack_buffer_bytes_per_worker":2097152,"frame_limit":128}},{"capture_duration_ms":98,"perturbation":{"backend":"windows-x64-copied-stack","suspend_duration_us":56,"suspend_duration_is_upper_bound":true,"stack_copy_phase_us":58,"symbol_lock_wait_us":1,"symbolization_us":96908,"initialization_us":121525,"first_capture":false,"captures_are_sequential":true,"stack_buffer_bytes_per_worker":2097152,"frame_limit":128}}]]},"isError":false,"timestamp":1789543983658}}
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{"type":"message","id":"9b938ff7","parentId":"144fc6a8","timestamp":"2026-09-16T07:33:51.452Z","message":{"role":"assistant","content":[{"type":"thinking","thinking":"**Implementing suspension initialization patch**\n\n**Sizing cache bounds**"},{"type":"toolCall","id":"call_8kQnkwtiqIE1dKDdttzfG21g|ctc_0087a3f074a9af55016aaa46402a5c87d2a95bd7b15fb3a569","name":"edit","arguments":{"input":"*** Begin Patch\n[.worktrees/302-net-worker-stamps/crates/spt-net-diag/src/stacks/windows.rs#03E3]\nPUT >10:\n+    collections::HashMap,\nPUT >14:\n+    path::{Component, Path, Prefix},\nPUT >48:\n+    fn GetModuleHandleW(name: *const u16) -> HANDLE;\nPUT >78:\n+const MAX_CACHED_SYMBOLS: usize = 4096;\nPUT >114:\n+    symbols: SymbolCache,\nPUT 156.=156:\n+        let path = symbol_search_path(directory)?;\n+        let executable_base = unsafe { GetModuleHandleW(ptr::null()) };\n+        if executable_base.is_null() {\n+            return Err(io::Error::last_os_error());\n+        }\n+        let symbols = SymbolCache {\n+            executable_base: executable_base as u64,\n+            frames: HashMap::new(),\n+        };\nPUT >174:\n+            \"capture_begin_mono_ms\": 0,\n+            \"capture_end_mono_ms\": null,\nPUT >186:\n+            symbols,\nPUT >198:\n+        let capture_begin_mono_ms = crate::mono_ms();\nPUT >206:\n+                if let Some(value) = fatal.get_mut(\"capture_begin_mono_ms\") {\n+                    *value = Value::from(capture_begin_mono_ms);\n+                }\nPUT >222:\n+        let capture_end_mono_ms = crate::mono_ms();\nPUT 232.=232:\n+            .map(|worker| worker.symbolize(self.process.0, &mut self.symbols))\nPUT >241:\n+            \"capture_begin_mono_ms\": capture_begin_mono_ms,\n+            \"capture_end_mono_ms\": capture_end_mono_ms,\nPUT >302:\n+\n+fn symbol_search_path(directory: &Path) -> io::Result<Vec<u16>> {\n+    let mut path: Vec<u16> = directory.as_os_str().encode_wide().collect();\n+    if let Some(local) = std::env::var_os(\"SPT_NET_DIAG_SYMBOL_DIR\") {\n+        let local = Path::new(&local);\n+        let units: Vec<u16> = local.as_os_str().encode_wide().collect();\n+        // One explicit drive-local directory, never a DbgHelp search list,\n+        // UNC path, or srv* directive. PDB preparation happens outside capture.\n+        let drive_local = matches!(\n+            local.components().next(),\n+            Some(Component::Prefix(prefix))\n+                if matches!(prefix.kind(), Prefix::Disk(_) | Prefix::VerbatimDisk(_))\n+        );\n+        if !local.is_absolute()\n+            || !drive_local\n+            || units.iter().any(|&c| c == 0 || c == b';' as u16 || c == b'*' as u16)\n+        {\n+            return Err(io::Error::new(\n+                io::ErrorKind::InvalidInput,\n+                \"SPT_NET_DIAG_SYMBOL_DIR must be one absolute local directory\",\n+            ));\n+        }\n+        if !local.is_dir() {\n+            return Err(io::Error::new(\n+                io::ErrorKind::NotFound,\n+                \"SPT_NET_DIAG_SYMBOL_DIR is not a directory\",\n+            ));\n+        }\n+        path.push(b';' as u16);\n+        path.extend(units);\n+    }\n+    path.push(0);\n+    Ok(path)\n+}\n+\n+struct SymbolCache {\n+    // The main executable cannot unload/reload during this process lifetime.\n+    // DLL symbols are deliberately excluded, even when their PDB matches.\n+    executable_base: u64,\n+    frames: HashMap<u64, String>,\n+}\nPUT 476.=476:\n+    fn symbolize(&mut self, process: HANDLE, symbols: &mut SymbolCache) -> Value {\nPUT 495.=495:\n+            self.walk(process, symbols, &mut frames, &mut raw_pcs, &mut errors);\nPUT >528:\n+        symbols: &mut SymbolCache,\nPUT 575.=575:\n+                    frames.push(symbolize_pc(process, captured_pc, symbols, errors));\nPUT 590.=590:\n+            frames.push(symbolize_pc(process, pc, symbols, errors));\nPUT 706.=706:\n+fn symbolize_pc(\n+    process: HANDLE,\n+    pc: u64,\n+    symbols: &mut SymbolCache,\n+    errors: &mut Vec<String>,\n+) -> String {\n+    if let Some(frame) = symbols.frames.get(&pc) {\n+        return frame.clone();\n+    }\n+    let errors_before = errors.len();\nPUT 744.=744:\n+    let frame = format!(\nPUT 747.=747:\n+    );\n+    // Cache only this PC's fully successful matched-PDB result. Earlier\n+    // unwind/frame errors remain explicit and do not poison successful names.\n+    // Admission is bounded; a full cache merely uses normal symbolization.\n+    if errors.len() == errors_before\n+        && package.si.ModBase == symbols.executable_base\n+        && module.BaseOfImage == symbols.executable_base\n+        && pc.checked_sub(symbols.executable_base)\n+            .is_some_and(|offset| offset < u64::from(module.ImageSize))\n+        && symbols.frames.len() < MAX_CACHED_SYMBOLS\n+    {\n+        symbols.frames.insert(pc, frame.clone());\n+    }\n+    frame\n*** End Patch\n"},"customWireName":"edit"}],"api":"openai-codex-responses","provider":"openai-codex","model":"gpt-6-astra","usage":{"input":756,"output":1300,"cacheRead":56192,"cacheWrite":0,"totalTokens":58248,"reasoningTokens":134,"cost":{"input":0.007560000000000001,"output":0.065,"cacheRead":0.056192,"cacheWrite":0,"total":0.128752}},"stopReason":"toolUse","timestamp":1789543983664,"responseId":"resp_0087a3f074a9af55016aaa463013dc87d299e8f4eefbeef872","providerPayload":{"type":"openaiResponsesHistory","provider":"openai-codex","dt":true,"items":[{"id":"rs_0087a3f074a9af55016aaa4638633087d2b0a8bff5823a53df","type":"reasoning","content":[],"encrypted_content":"gAAAAABqqkZA5xOUBzCVK02UGtlvE7w9PgMcq9E3ikWu_rh4DBrcMKwmMrhFacCt3bL6dRAYMYVgCzzky_ee2tUFGm15uu4iMCeXjA0Z49ngX0qvi1obyPtA2h4nBiEMcOrMCwOnd7kUO0bE_SVAoPO7m0TPqAFsUG0X-VUAwtis1SNaVCVsql_vhUHzUOf9OX1_7LXc_9NAGyt2V5yJNWp_sAz5JLu814P6RenQT72jVrk6Aqzid-WSdcyNotpBWV4CYP61FUNYGke7CJP9XNGjuhNfVAsKjYimkV3zxYUg68OnqcQpNUfHAVurmMy9vpChuUqXIyJ7MWGt4vTXhS0-AmM0NPSRjjYnWcx6ivRwNah5YEs-vt3cpAF-U5H9-RmIKsl1HHaDxH1IoC_gwBkYxUI0ECWBrOWH0SE6rsAUAwwDCp_84DSjXRoc8PqCPAVCN_JZzwnO-W6sN_Sqsp7QVe1wE-_mpIIaBl5OtLM1hHAYhNR4NJj1zeq2K_Mlh4LNTc2bbbNt3Uk5A-Z2yHiWiCmYxkqIAnFcE-LLr4y20S3SdvVphxuuq1EWk9naM3ZSe0_cFqRA6pdEvY90u0MJQarI3eFrvgCR9Nh4y4gVMKNbL9TjTbdqjPVt9Ap5rzzv3w2CJTdMG5XIjhUql57LiEtKJCdBUne9VVnaotgwfU4RyEiggh8znyRpSHk97HpxGi4WG24hco_Avto5kH9tH6kXFgkkJVI6J30upREYHMNHvjXiXs8hGwr3Gh0X80KFoO3Kb02oY3OMaO3-Z5kqnC6Jhr3hV9tI_paPvICTdVWP0fs6TQHeANVfCyUvLOk4dgujR2emxzZ9jAvDAyAAEGnHQJicoh_kg6OutJXs75P64QiHUbwCwv0JItvaOJLU55HofyY6CPRT0_t1SpRlVruGlTPGbjzUEuQ3Top3SKGsMvbM5E068J5M0mmDXLxvLgvXUc0IqnVK6mi7BNZLO5v1lZg0otYIare1Va0KTkoyinHWxIe1iFAz8lsiIvHmFryaBgLdQ7lmJCagt3Q99uvFFVcAvfeLNN8dmAdWQG4_Tdb2VY6aSgosX-lE6mThkamhm4ApDve_QVY742tT-umCsWXpyM8244r0Gi9iHOcv9OiGrDLt9d_kHXULntqfz-wakOJ_gEn33JPSsM_C1jPWlThpL9fTow8fgRJdDWTPOnsoc2iLO53nbRRtyxUa26-h24k4gIOldwq5CgOKZPDqPucrSEWCAmRJ10159pXLkCxjW6sfsMU0bdKzbPC9mKeSTlqjfe7V8qpPLAJ6OekXtIbiKA4-yVhm4aHRRymMH64Eb0YySxkqyr4KLL8EuPFMcOCnVfrLe9sFTxTi6wPbDQjhFxcqzj_i7IE-Rk5AyzNnQ6DJPUe_vw7anenltxg0Y3p2ShsT_pZ8xFXQ5EKEHbexX87ZL6LymzV5kWHxnVIyXQB1amRv5gXqSkCuZcdSNqDCEjITOjavsUZb2QLpo_3t9OgkMTEWIJxFf54HhES_hgdSVrKGgRSYE3fqZkWsNfZ2xLPZvcPDeAQJmCH5Wcrv5kldf89KUYhGj0cwHgVRTqHbQixb-Rw0a8pkb_B5czL2pVnw2NVROzHqSnBYTpG87ockzPewHZFxxkIBzvU_ZZ1S2RSk-rJt8DpLtj3h1eJK_7mJatpXMOrkeZ3Ri1_cXsH8XDpkt4MMSzx9eFpR6_ZAh0gz5KfZVgYxV-phIwzspc_rpjaiyWkMZqpM8eMSPJfNHKa0ema0cXNhD88mdAQE0XJlV0noTpXRv8yblKDcfsSNLybXz0esKrPUUxEAdjd1oNli9q4cO_4tQOyzOiWMgIFUmry1f2zjDCceTOcktnzOcLv0foBsoWodParqdgd3dDPf6FG1NKk2MYas7Tb370FHVO1PPMzVn7QjYCoJqFxxKpESfp5CLrUY-Wsud11J3FsqmfY_oTF9ZlITwPSo11WnVKZ30eR2E8PKxw7-eFy3ljrazosaGq-jz0lna_7a3mju-gGMTZKLoZX5WnyI9H3JLyHgEIUPAjGcrucHKD0cp4XybcQZ7iu9htkwX6SuEeADLdh9VoGmvWww35rZIrizBwuWe4RmRiLzs3-vBp7rUKQsDrxTg8TVJnvrOt4biuTFaqfx0TqAPWa7o4KGkt_AenIPN_OoStMJRXAJ","internal_chat_message_metadata_passthrough":{"turn_id":"d1a07d1e-fef1-4d6d-92bb-2d11c4058be3"},"summary":[{"type":"summary_text","text":"**Implementing suspension initialization patch**"},{"type":"summary_text","text":"**Sizing cache bounds**"}],"metadata":{"turn_id":"d1a07d1e-fef1-4d6d-92bb-2d11c4058be3"}},{"id":"ctc_0087a3f074a9af55016aaa46402a5c87d2a95bd7b15fb3a569","type":"custom_tool_call","status":"completed","call_id":"call_8kQnkwtiqIE1dKDdttzfG21g","input":"*** Begin Patch\n[.worktrees/302-net-worker-stamps/crates/spt-net-diag/src/stacks/windows.rs#03E3]\nPUT >10:\n+    collections::HashMap,\nPUT >14:\n+    path::{Component, Path, Prefix},\nPUT >48:\n+    fn GetModuleHandleW(name: *const u16) -> HANDLE;\nPUT >78:\n+const MAX_CACHED_SYMBOLS: usize = 4096;\nPUT >114:\n+    symbols: SymbolCache,\nPUT 156.=156:\n+        let path = symbol_search_path(directory)?;\n+        let executable_base = unsafe { GetModuleHandleW(ptr::null()) };\n+        if executable_base.is_null() {\n+            return Err(io::Error::last_os_error());\n+        }\n+        let symbols = SymbolCache {\n+            executable_base: executable_base as u64,\n+            frames: HashMap::new(),\n+        };\nPUT >174:\n+            \"capture_begin_mono_ms\": 0,\n+            \"capture_end_mono_ms\": null,\nPUT >186:\n+            symbols,\nPUT >198:\n+        let capture_begin_mono_ms = crate::mono_ms();\nPUT >206:\n+                if let Some(value) = fatal.get_mut(\"capture_begin_mono_ms\") {\n+                    *value = Value::from(capture_begin_mono_ms);\n+                }\nPUT >222:\n+        let capture_end_mono_ms = crate::mono_ms();\nPUT 232.=232:\n+            .map(|worker| worker.symbolize(self.process.0, &mut self.symbols))\nPUT >241:\n+            \"capture_begin_mono_ms\": capture_begin_mono_ms,\n+            \"capture_end_mono_ms\": capture_end_mono_ms,\nPUT >302:\n+\n+fn symbol_search_path(directory: &Path) -> io::Result<Vec<u16>> {\n+    let mut path: Vec<u16> = directory.as_os_str().encode_wide().collect();\n+    if let Some(local) = std::env::var_os(\"SPT_NET_DIAG_SYMBOL_DIR\") {\n+        let local = Path::new(&local);\n+        let units: Vec<u16> = local.as_os_str().encode_wide().collect();\n+        // One explicit drive-local directory, never a DbgHelp search list,\n+        // UNC path, or srv* directive. PDB preparation happens outside capture.\n+        let drive_local = matches!(\n+            local.components().next(),\n+            Some(Component::Prefix(prefix))\n+                if matches!(prefix.kind(), Prefix::Disk(_) | Prefix::VerbatimDisk(_))\n+        );\n+        if !local.is_absolute()\n+            || !drive_local\n+            || units.iter().any(|&c| c == 0 || c == b';' as u16 || c == b'*' as u16)\n+        {\n+            return Err(io::Error::new(\n+                io::ErrorKind::InvalidInput,\n+                \"SPT_NET_DIAG_SYMBOL_DIR must be one absolute local directory\",\n+            ));\n+        }\n+        if !local.is_dir() {\n+            return Err(io::Error::new(\n+                io::ErrorKind::NotFound,\n+                \"SPT_NET_DIAG_SYMBOL_DIR is not a directory\",\n+            ));\n+        }\n+        path.push(b';' as u16);\n+        path.extend(units);\n+    }\n+    path.push(0);\n+    Ok(path)\n+}\n+\n+struct SymbolCache {\n+    // The main executable cannot unload/reload during this process lifetime.\n+    // DLL symbols are deliberately excluded, even when their PDB matches.\n+    executable_base: u64,\n+    frames: HashMap<u64, String>,\n+}\nPUT 476.=476:\n+    fn symbolize(&mut self, process: HANDLE, symbols: &mut SymbolCache) -> Value {\nPUT 495.=495:\n+            self.walk(process, symbols, &mut frames, &mut raw_pcs, &mut errors);\nPUT >528:\n+        symbols: &mut SymbolCache,\nPUT 575.=575:\n+                    frames.push(symbolize_pc(process, captured_pc, symbols, errors));\nPUT 590.=590:\n+            frames.push(symbolize_pc(process, pc, symbols, errors));\nPUT 706.=706:\n+fn symbolize_pc(\n+    process: HANDLE,\n+    pc: u64,\n+    symbols: &mut SymbolCache,\n+    errors: &mut Vec<String>,\n+) -> String {\n+    if let Some(frame) = symbols.frames.get(&pc) {\n+        return frame.clone();\n+    }\n+    let errors_before = errors.len();\nPUT 744.=744:\n+    let frame = format!(\nPUT 747.=747:\n+    );\n+    // Cache only this PC's fully successful matched-PDB result. Earlier\n+    // unwind/frame errors remain explicit and do not poison successful names.\n+    // Admission is bounded; a full cache merely uses normal symbolization.\n+    if errors.len() == errors_before\n+        && package.si.ModBase == symbols.executable_base\n+        && module.BaseOfImage == symbols.executable_base\n+        && pc.checked_sub(symbols.executable_base)\n+            .is_some_and(|offset| offset < u64::from(module.ImageSize))\n+        && symbols.frames.len() < MAX_CACHED_SYMBOLS\n+    {\n+        symbols.frames.insert(pc, frame.clone());\n+    }\n+    frame\n*** End Patch\n","internal_chat_message_metadata_passthrough":{"create_time":1789543984.746088,"turn_id":"d1a07d1e-fef1-4d6d-92bb-2d11c4058be3"},"name":"edit","metadata":{"turn_id":"d1a07d1e-fef1-4d6d-92bb-2d11c4058be3"}}]},"duration":47785.322399999946,"ttft":8761.004800003022,"completedAt":1789544031450,"contextSnapshot":{"promptTokens":56948,"nonMessageTokens":16994,"compactionEpoch":0}}}
{"type":"message","id":"159eca89","parentId":"9b938ff7","timestamp":"2026-09-16T07:33:51.475Z","message":{"role":"toolResult","toolCallId":"call_8kQnkwtiqIE1dKDdttzfG21g|ctc_0087a3f074a9af55016aaa46402a5c87d2a95bd7b15fb3a569","toolName":"edit","content":[{"type":"text","text":"[.worktrees/302-net-worker-stamps/crates/spt-net-diag/src/stacks/windows.rs#E3B6]\n9:use std::{\n10:    cell::Cell,\n11:    collections::HashMap,\n12:    ffi::c_void,\n13:    io,\n14:    mem::{size_of, zeroed},\n15:    os::windows::ffi::OsStrExt,\n16:    path::{Component, Path, Prefix},\n17:    ptr::{self, null_mut},\n18:    sync::Mutex,\n\n20:};\n\n49:#[link(name = \"kernel32\")]\n50:extern \"system\" {\n51:    fn GetModuleHandleW(name: *const u16) -> HANDLE;\n52:    fn GetStdHandle(which: u32) -> HANDLE;\n53:    fn WriteFile(\n\n59:    ) -> i32;\n60:}\n\n80:const MAX_FRAMES: usize = 128;\n81:const IMAGE_FILE_MACHINE_AMD64: u32 = 0x8664;\n82:const MAX_CACHED_SYMBOLS: usize = 4096;\n83:// Serializes every DbgHelp entry point made by this backend, including Drop.\n84:// Other in-process DbgHelp consumers must also avoid concurrent use; the Windows\n117:    workers: [Worker; 2],\n118:    process: Handle,\n119:    symbols: SymbolCache,\n120:    initialization_us: u64,\n121:    first_capture: bool,\n\n158:        let directory = exe\n159:            .parent()\n160:            .ok_or_else(|| io::Error::other(\"executable has no directory\"))?;\n161:        let path = symbol_search_path(directory)?;\n162:        let executable_base = unsafe { GetModuleHandleW(ptr::null()) };\n…\n168:            frames: HashMap::new(),\n169:        };\n170:        let _lock = DBGHELP.lock().unwrap_or_else(|e| e.into_inner());\n171:        let _options = SymbolOptions::new();\n186:            \"resume_retry_error\": 0,\n187:            \"capture_duration_ms\": 0,\n188:            \"capture_begin_mono_ms\": 0,\n189:            \"capture_end_mono_ms\": null,\n190:            \"workers\": worker_tids.map(|tid| json!({\n191:                \"tid\": tid,\n\n197:            }))\n\n200:            workers,\n201:            process,\n202:            symbols,\n203:            initialization_us: micros(started),\n204:            first_capture: true,\n\n211:        if self.disarmed {\n\n213:        }\n214:        let started = Instant::now();\n215:        let capture_begin_mono_ms = crate::mono_ms();\n216:        // No DbgHelp lock is held here: a suspended worker may itself own it.\n217:        for worker in &mut self.workers {\n\n219:            if let Some(retry_error) = worker.resume_retry_error {\n\n222:                // after an unconfirmed resume. All keys already exist.\n223:                let mut fatal = self.fatal_capture.take().unwrap_or(Value::Null);\n224:                if let Some(value) = fatal.get_mut(\"capture_begin_mono_ms\") {\n225:                    *value = Value::from(capture_begin_mono_ms);\n226:                }\n227:                if let Some(value) = fatal.get_mut(\"failed_tid\") {\n228:                    *value = Value::from(worker.tid);\n229:                }\n\n241:            }\n242:        }\n243:        let capture_end_mono_ms = crate::mono_ms();\n244:        let copy_duration_us = micros(started);\n245:        let lock_started = Instant::now();\n\n250:        let workers: Vec<Value> = self\n251:            .workers\n252:            .iter_mut()\n253:            .map(|worker| worker.symbolize(self.process.0, &mut self.symbols))\n254:            .collect();\n255:        let symbolization_us = micros(symbol_started);\n261:        let mut result = json!({\n262:            \"workers\": workers,\n263:            \"capture_begin_mono_ms\": capture_begin_mono_ms,\n264:            \"capture_end_mono_ms\": capture_end_mono_ms,\n265:            \"capture_duration_ms\": started.elapsed().as_millis() as u64,\n266:            \"perturbation\": {\n\n281:            }\n282:        });\n\n319:impl Drop for SymbolOptions {\n\n325:}\n326:\n327:fn symbol_search_path(directory: &Path) -> io::Result<Vec<u16>> {\n328:    let mut path: Vec<u16> = directory.as_os_str().encode_wide().collect();\n…\n366:}\n367:\n368:fn micros(start: Instant) -> u64 {\n369:    start.elapsed().as_micros().min(u64::MAX as u128) as u64\n370:}\n\n493:    unsafe fn copy_suspended(&mut self, process: HANDLE) -> Result<(), (&'static str, u32)> {\n\n538:    }\n539:\n540:    fn symbolize(&mut self, process: HANDLE, symbols: &mut SymbolCache) -> Value {\n541:        let mut errors = Vec::new();\n542:        if let Some((call, code)) = self.copy_error {\n\n544:        }\n\n557:        let mut raw_pcs = Vec::new();\n558:        if self.len != 0 {\n559:            self.walk(process, symbols, &mut frames, &mut raw_pcs, &mut errors);\n560:        }\n561:        let activity = if errors.is_empty() && is_tokio_idle(&frames) {\n\n563:        } else {\n\n565:        };\n\n588:    }\n\n591:        &mut self,\n592:        process: HANDLE,\n593:        symbols: &mut SymbolCache,\n594:        frames: &mut Vec<String>,\n595:        pcs: &mut Vec<String>,\n\n637:                if index == 0 {\n638:                    // Preserve the real captured PC even when the first unwind fails.\n639:                    pcs.push(format!(\"0x{captured_pc:016x}\"));\n640:                    frames.push(symbolize_pc(process, captured_pc, symbols, errors));\n641:                }\n642:                return;\n653:            previous = position;\n654:            pcs.push(format!(\"0x{pc:016x}\"));\n655:            frames.push(symbolize_pc(process, pc, symbols, errors));\n656:            if frame.AddrReturn.Offset == 0 {\n657:                return;\n658:            }\n\n705:unsafe extern \"system\" fn read_snapshot(\n\n711:) -> i32 {\n\n769:}\n770:\n771:fn symbolize_pc(\n772:    process: HANDLE,\n…\n779:    }\n780:    let errors_before = errors.len();\n781:    let mut package: SYMBOL_INFO_PACKAGE = unsafe { zeroed() };\n782:    package.si.SizeOfStruct = size_of::<SYMBOL_INFO>() as u32;\n\n802:    let module_name = if unsafe { SymGetModuleInfo64(process, pc, &mut module) } != 0 {\n\n813:    } else {\n\n816:        format!(\"module@0x{:x}\", package.si.ModBase)\n817:    };\n818:    let frame = format!(\n819:        \"{module_name}!{}+0x{displacement:x} [0x{pc:016x}]\",\n820:        String::from_utf8_lossy(name)\n821:    );\n822:    // Cache only this PC's fully successful matched-PDB result. Earlier\n…\n833:    }\n834:    frame\n835:}\n836:"}],"details":{"diff":" 9|use std::{\n 10|    cell::Cell,\n+11|    collections::HashMap,\n 11|    ffi::c_void,\n 12|    io,\n 13|    mem::{size_of, zeroed},\n 14|    os::windows::ffi::OsStrExt,\n+16|    path::{Component, Path, Prefix},\n 15|    ptr::{self, null_mut},\n 16|    sync::Mutex,\n\n 18|};\n\n 47|#[link(name = \"kernel32\")]\n 48|extern \"system\" {\n+51|    fn GetModuleHandleW(name: *const u16) -> HANDLE;\n 49|    fn GetStdHandle(which: u32) -> HANDLE;\n 50|    fn WriteFile(\n\n 56|    ) -> i32;\n 57|}\n\n 77|const MAX_FRAMES: usize = 128;\n 78|const IMAGE_FILE_MACHINE_AMD64: u32 = 0x8664;\n+82|const MAX_CACHED_SYMBOLS: usize = 4096;\n 79|// Serializes every DbgHelp entry point made by this backend, including Drop.\n 80|// Other in-process DbgHelp consumers must also avoid concurrent use; the Windows\n 113|    workers: [Worker; 2],\n 114|    process: Handle,\n+119|    symbols: SymbolCache,\n 115|    initialization_us: u64,\n 116|    first_capture: bool,\n\n 153|        let directory = exe\n 154|            .parent()\n 155|            .ok_or_else(|| io::Error::other(\"executable has no directory\"))?;\n-156|        let path: Vec<u16> = directory.as_os_str().encode_wide().chain(Some(0)).collect();\n+161|        let path = symbol_search_path(directory)?;\n+162|        let executable_base = unsafe { GetModuleHandleW(ptr::null()) };\n+163|        if executable_base.is_null() {\n+164|            return Err(io::Error::last_os_error());\n+165|        }\n+166|        let symbols = SymbolCache {\n+167|            executable_base: executable_base as u64,\n+168|            frames: HashMap::new(),\n+169|        };\n 157|        let _lock = DBGHELP.lock().unwrap_or_else(|e| e.into_inner());\n 158|        let _options = SymbolOptions::new();\n 173|            \"resume_retry_error\": 0,\n 174|            \"capture_duration_ms\": 0,\n+188|            \"capture_begin_mono_ms\": 0,\n+189|            \"capture_end_mono_ms\": null,\n 175|            \"workers\": worker_tids.map(|tid| json!({\n 176|                \"tid\": tid,\n\n 182|            }))\n\n 185|            workers,\n 186|            process,\n+202|            symbols,\n 187|            initialization_us: micros(started),\n 188|            first_capture: true,\n\n 195|        if self.disarmed {\n\n 197|        }\n 198|        let started = Instant::now();\n+215|        let capture_begin_mono_ms = crate::mono_ms();\n 199|        // No DbgHelp lock is held here: a suspended worker may itself own it.\n 200|        for worker in &mut self.workers {\n\n 202|            if let Some(retry_error) = worker.resume_retry_error {\n\n 205|                // after an unconfirmed resume. All keys already exist.\n 206|                let mut fatal = self.fatal_capture.take().unwrap_or(Value::Null);\n+224|                if let Some(value) = fatal.get_mut(\"capture_begin_mono_ms\") {\n+225|                    *value = Value::from(capture_begin_mono_ms);\n+226|                }\n 207|                if let Some(value) = fatal.get_mut(\"failed_tid\") {\n 208|                    *value = Value::from(worker.tid);\n 209|                }\n\n 221|            }\n 222|        }\n+243|        let capture_end_mono_ms = crate::mono_ms();\n 223|        let copy_duration_us = micros(started);\n 224|        let lock_started = Instant::now();\n\n 229|        let workers: Vec<Value> = self\n 230|            .workers\n 231|            .iter_mut()\n-232|            .map(|worker| worker.symbolize(self.process.0))\n+253|            .map(|worker| worker.symbolize(self.process.0, &mut self.symbols))\n 233|            .collect();\n 234|        let symbolization_us = micros(symbol_started);\n 240|        let mut result = json!({\n 241|            \"workers\": workers,\n+263|            \"capture_begin_mono_ms\": capture_begin_mono_ms,\n+264|            \"capture_end_mono_ms\": capture_end_mono_ms,\n 242|            \"capture_duration_ms\": started.elapsed().as_millis() as u64,\n 243|            \"perturbation\": {\n\n 258|            }\n 259|        });\n\n 296|impl Drop for SymbolOptions {\n\n 302|}\n 303|\n+327|fn symbol_search_path(directory: &Path) -> io::Result<Vec<u16>> {\n+328|    let mut path: Vec<u16> = directory.as_os_str().encode_wide().collect();\n+329|    if let Some(local) = std::env::var_os(\"SPT_NET_DIAG_SYMBOL_DIR\") {\n+330|        let local = Path::new(&local);\n+331|        let units: Vec<u16> = local.as_os_str().encode_wide().collect();\n+332|        // One explicit drive-local directory, never a DbgHelp search list,\n+333|        // UNC path, or srv* directive. PDB preparation happens outside capture.\n+334|        let drive_local = matches!(\n+335|            local.components().next(),\n+336|            Some(Component::Prefix(prefix))\n+337|                if matches!(prefix.kind(), Prefix::Disk(_) | Prefix::VerbatimDisk(_))\n+338|        );\n+339|        if !local.is_absolute()\n+340|            || !drive_local\n+341|            || units.iter().any(|&c| c == 0 || c == b';' as u16 || c == b'*' as u16)\n+342|        {\n+343|            return Err(io::Error::new(\n+344|                io::ErrorKind::InvalidInput,\n+345|                \"SPT_NET_DIAG_SYMBOL_DIR must be one absolute local directory\",\n+346|            ));\n+347|        }\n+348|        if !local.is_dir() {\n+349|            return Err(io::Error::new(\n+350|                io::ErrorKind::NotFound,\n+351|                \"SPT_NET_DIAG_SYMBOL_DIR is not a directory\",\n+352|            ));\n+353|        }\n+354|        path.push(b';' as u16);\n+355|        path.extend(units);\n+356|    }\n+357|    path.push(0);\n+358|    Ok(path)\n+359|}\n+360|\n+361|struct SymbolCache {\n+362|    // The main executable cannot unload/reload during this process lifetime.\n+363|    // DLL symbols are deliberately excluded, even when their PDB matches.\n+364|    executable_base: u64,\n+365|    frames: HashMap<u64, String>,\n+366|}\n+367|\n 304|fn micros(start: Instant) -> u64 {\n 305|    start.elapsed().as_micros().min(u64::MAX as u128) as u64\n 306|}\n\n 429|    unsafe fn copy_suspended(&mut self, process: HANDLE) -> Result<(), (&'static str, u32)> {\n\n 474|    }\n 475|\n-476|    fn symbolize(&mut self, process: HANDLE) -> Value {\n+540|    fn symbolize(&mut self, process: HANDLE, symbols: &mut SymbolCache) -> Value {\n 477|        let mut errors = Vec::new();\n 478|        if let Some((call, code)) = self.copy_error {\n\n 480|        }\n\n 493|        let mut raw_pcs = Vec::new();\n 494|        if self.len != 0 {\n-495|            self.walk(process, &mut frames, &mut raw_pcs, &mut errors);\n+559|            self.walk(process, symbols, &mut frames, &mut raw_pcs, &mut errors);\n 496|        }\n 497|        let activity = if errors.is_empty() && is_tokio_idle(&frames) {\n\n 499|        } else {\n\n 501|        };\n\n 524|    }\n\n 527|        &mut self,\n 528|        process: HANDLE,\n+593|        symbols: &mut SymbolCache,\n 529|        frames: &mut Vec<String>,\n 530|        pcs: &mut Vec<String>,\n\n 572|                if index == 0 {\n 573|                    // Preserve the real captured PC even when the first unwind fails.\n 574|                    pcs.push(format!(\"0x{captured_pc:016x}\"));\n-575|                    frames.push(symbolize_pc(process, captured_pc, errors));\n+640|                    frames.push(symbolize_pc(process, captured_pc, symbols, errors));\n 576|                }\n 577|                return;\n 588|            previous = position;\n 589|            pcs.push(format!(\"0x{pc:016x}\"));\n-590|            frames.push(symbolize_pc(process, pc, errors));\n+655|            frames.push(symbolize_pc(process, pc, symbols, errors));\n 591|            if frame.AddrReturn.Offset == 0 {\n 592|                return;\n 593|            }\n\n 640|unsafe extern \"system\" fn read_snapshot(\n\n 646|) -> i32 {\n\n 704|}\n 705|\n-706|fn symbolize_pc(process: HANDLE, pc: u64, errors: &mut Vec<String>) -> String {\n+771|fn symbolize_pc(\n+772|    process: HANDLE,\n+773|    pc: u64,\n+774|    symbols: &mut SymbolCache,\n+775|    errors: &mut Vec<String>,\n+776|) -> String {\n+777|    if let Some(frame) = symbols.frames.get(&pc) {\n+778|        return frame.clone();\n+779|    }\n+780|    let errors_before = errors.len();\n 707|    let mut package: SYMBOL_INFO_PACKAGE = unsafe { zeroed() };\n 708|    package.si.SizeOfStruct = size_of::<SYMBOL_INFO>() as u32;\n\n 728|    let module_name = if unsafe { SymGetModuleInfo64(process, pc, &mut module) } != 0 {\n\n 739|    } else {\n\n 742|        format!(\"module@0x{:x}\", package.si.ModBase)\n 743|    };\n-744|    format!(\n+818|    let frame = format!(\n 745|        \"{module_name}!{}+0x{displacement:x} [0x{pc:016x}]\",\n 746|        String::from_utf8_lossy(name)\n-747|    )\n+821|    );\n+822|    // Cache only this PC's fully successful matched-PDB result. Earlier\n+823|    // unwind/frame errors remain explicit and do not poison successful names.\n+824|    // Admission is bounded; a full cache merely uses normal symbolization.\n+825|    if errors.len() == errors_before\n+826|        && package.si.ModBase == symbols.executable_base\n+827|        && module.BaseOfImage == symbols.executable_base\n+828|        && pc.checked_sub(symbols.executable_base)\n+829|            .is_some_and(|offset| offset < u64::from(module.ImageSize))\n+830|        && symbols.frames.len() < MAX_CACHED_SYMBOLS\n+831|    {\n+832|        symbols.frames.insert(pc, frame.clone());\n+833|    }\n+834|    frame\n 748|}\n 749|","firstChangedLine":10,"op":"update","path":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\302-net-worker-stamps\\crates\\spt-net-diag\\src\\stacks\\windows.rs","snapshotsPruned":true},"isError":false,"timestamp":1789544031473}}
{"type":"message","id":"0db315b8","parentId":"159eca89","timestamp":"2026-09-16T07:33:51.487Z","message":{"role":"user","content":"Current interruptible wait interrupted: IRC message from parent agent `Main`.\n\nParent IRC message:\n\nExact split contract sent Doyle/Hertz: capture_timing='raw-copy-resume-v1'; capture_begin/end_mono_ms raw both-worker copy through resume; processing_begin/end_mono_ms Main supplies outer call times; processing_duration_ms backend preserves current end-to-end elapsed (rename existing capture_duration_ms field, don't subtract cost). Mark healthy raw rows with capture_timing. No marker reinterpretation of historical rows. Inline symbols remain after resume. Main will enforce marker in new forced proof once parser aligned.","attribution":"agent","timestamp":1789543996127,"steering":true}}
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{"type":"message","id":"acc4037a","parentId":"cbfa69df","timestamp":"2026-09-16T07:34:04.132Z","message":{"role":"toolResult","toolCallId":"call_CfbQlBr0DOpqmUZNbvP9UU0m|fc_0087a3f074a9af55016aaa466b7a8887d2aa5e95eb29c8a4e7","toolName":"read","content":[{"type":"text","text":"[.worktrees/302-net-worker-stamps/crates/spt-net-diag/src/stacks/windows.rs#E3B6]\n126:impl StackSampler {\n127:    pub(crate) fn new(worker_tids: [u32; 2]) -> io::Result<Self> {\n…\n172:        unsafe {\n…\n176:            if SymRegisterCallback64(process.0, Some(symbol_callback), 0) == 0 {\n…\n180:            }\n181:        }\n182:        let fatal_capture = json!({\n183:            \"fatal_resume_failure\": true,\n184:            \"failed_tid\": 0,\n185:            \"resume_error\": 0,\n186:            \"resume_retry_error\": 0,\n187:            \"capture_duration_ms\": 0,\n188:            \"capture_begin_mono_ms\": 0,\n189:            \"capture_end_mono_ms\": null,\n190:            \"workers\": worker_tids.map(|tid| json!({\n191:                \"tid\": tid,\n192:                \"activity\": \"unknown\",\n193:                \"op_id\": null,\n194:                \"frames\": [],\n195:                \"progress_counter\": null,\n196:                \"error\": \"paired capture abandoned: worker resume unconfirmed\"\n197:            }))\n198:        });\n199:        Ok(Self {\n200:            workers,\n201:            process,\n202:            symbols,\n203:            initialization_us: micros(started),\n204:            first_capture: true,\n205:            fatal_capture: Some(fatal_capture),\n206:            disarmed: false,\n207:        })\n208:    }\n209:\n210:    pub(crate) fn capture(&mut self) -> Value {\n211:        if self.disarmed {\n212:            return Value::Null;\n213:        }\n214:        let started = Instant::now();\n215:        let capture_begin_mono_ms = crate::mono_ms();\n216:        // No DbgHelp lock is held here: a suspended worker may itself own it.\n217:        for worker in &mut self.workers {\n218:            worker.copy_stack(self.process.0);\n219:            if let Some(retry_error) = worker.resume_retry_error {\n220:                self.disarmed = true;\n221:                // No symbolization, Rust locks, allocation OR deallocation\n222:                // after an unconfirmed resume. All keys already exist.\n223:                let mut fatal = self.fatal_capture.take().unwrap_or(Value::Null);\n224:                if let Some(value) = fatal.get_mut(\"capture_begin_mono_ms\") {\n225:                    *value = Value::from(capture_begin_mono_ms);\n226:                }\n227:                if let Some(value) = fatal.get_mut(\"failed_tid\") {\n228:                    *value = Value::from(worker.tid);\n229:                }\n230:                if let Some(value) = fatal.get_mut(\"resume_error\") {\n231:                    *value = Value::from(worker.resume_error.unwrap_or(0));\n232:                }\n233:                if let Some(value) = fatal.get_mut(\"resume_retry_error\") {\n234:                    *value = Value::from(retry_error);\n235:                }\n236:                emit_resume_failure();\n237:                if let Some(value) = fatal.get_mut(\"capture_duration_ms\") {\n238:                    *value = Value::from(micros(started).div_ceil(1000));\n239:                }\n240:                return fatal;\n241:            }\n242:        }\n243:        let capture_end_mono_ms = crate::mono_ms();\n244:        let copy_duration_us = micros(started);\n245:        let lock_started = Instant::now();\n246:        let lock = DBGHELP.lock().unwrap_or_else(|e| e.into_inner());\n247:        let symbol_lock_wait_us = micros(lock_started);\n248:        let options = SymbolOptions::new();\n249:        let symbol_started = Instant::now();\n250:        let workers: Vec<Value> = self\n251:            .workers\n252:            .iter_mut()\n253:            .map(|worker| worker.symbolize(self.process.0, &mut self.symbols))\n254:            .collect();\n255:        let symbolization_us = micros(symbol_started);\n256:        drop(options);\n257:        drop(lock);\n258:        let suspend_duration_us: u64 = self.workers.iter().map(|w| w.suspended_us).sum();\n259:        let first_capture = self.first_capture;\n260:        self.first_capture = false;\n261:        let mut result = json!({\n262:            \"workers\": workers,\n263:            \"capture_begin_mono_ms\": capture_begin_mono_ms,\n264:            \"capture_end_mono_ms\": capture_end_mono_ms,\n265:            \"capture_duration_ms\": started.elapsed().as_millis() as u64,\n266:            \"perturbation\": {\n267:                \"backend\": \"windows-x64-copied-stack\",\n268:                \"suspend_duration_us\": suspend_duration_us,\n269:                \"suspend_duration_is_upper_bound\": self.workers.iter().all(|w| {\n270:                    w.resume_retry_error.is_none()\n271:                        && w.previous_suspend_count.is_none_or(|count| count == 0)\n272:                }),\n273:                \"stack_copy_phase_us\": copy_duration_us,\n274:                \"symbol_lock_wait_us\": symbol_lock_wait_us,\n275:                \"symbolization_us\": symbolization_us,\n276:                \"initialization_us\": self.initialization_us,\n277:                \"first_capture\": first_capture,\n278:                \"captures_are_sequential\": true,\n279:                \"stack_buffer_bytes_per_worker\": STACK_BYTES,\n280:                \"frame_limit\": MAX_FRAMES\n281:            }\n282:        });\n283:        // Include construction of the evidence value in the measured capture.\n284:        result[\"capture_duration_ms\"] = json!(micros(started).div_ceil(1000));\n285:        result\n286:    }\n287:}\n288:\n289:impl Drop for StackSampler {\n…\n296:}\n…\n327:fn symbol_search_path(directory: &Path) -> io::Result<Vec<u16>> {\n328:    let mut path: Vec<u16> = directory.as_os_str().encode_wide().collect();\n329:    if let Some(local) = std::env::var_os(\"SPT_NET_DIAG_SYMBOL_DIR\") {\n330:        let local = Path::new(&local);\n331:        let units: Vec<u16> = local.as_os_str().encode_wide().collect();\n332:        // One explicit drive-local directory, never a DbgHelp search list,\n333:        // UNC path, or srv* directive. PDB preparation happens outside capture.\n334:        let drive_local = matches!(\n335:            local.components().next(),\n336:            Some(Component::Prefix(prefix))\n337:                if matches!(prefix.kind(), Prefix::Disk(_) | Prefix::VerbatimDisk(_))\n338:        );\n339:        if !local.is_absolute()\n340:            || !drive_local\n341:            || units.iter().any(|&c| c == 0 || c == b';' as u16 || c == b'*' as u16)\n342:        {\n343:            return Err(io::Error::new(\n344:                io::ErrorKind::InvalidInput,\n345:                \"SPT_NET_DIAG_SYMBOL_DIR must be one absolute local directory\",\n346:            ));\n347:        }\n348:        if !local.is_dir() {\n349:            return Err(io::Error::new(\n350:                io::ErrorKind::NotFound,\n351:                \"SPT_NET_DIAG_SYMBOL_DIR is not a directory\",\n352:            ));\n353:        }\n354:        path.push(b';' as u16);\n355:        path.extend(units);\n356:    }\n357:    path.push(0);\n358:    Ok(path)\n359:}\n360:\n361:struct SymbolCache {\n362:    // The main executable cannot unload/reload during this process lifetime.\n363:    // DLL symbols are deliberately excluded, even when their PDB matches.\n364:    executable_base: u64,\n365:    frames: HashMap<u64, String>,\n366:}\n367:"}],"details":{"displayContent":{"text":"impl StackSampler {\n    pub(crate) fn new(worker_tids: [u32; 2]) -> io::Result<Self> {\n…\n        unsafe {\n…\n            if SymRegisterCallback64(process.0, Some(symbol_callback), 0) == 0 {\n…\n            }\n        }\n        let fatal_capture = json!({\n            \"fatal_resume_failure\": true,\n            \"failed_tid\": 0,\n            \"resume_error\": 0,\n            \"resume_retry_error\": 0,\n            \"capture_duration_ms\": 0,\n            \"capture_begin_mono_ms\": 0,\n            \"capture_end_mono_ms\": null,\n            \"workers\": worker_tids.map(|tid| json!({\n                \"tid\": tid,\n                \"activity\": \"unknown\",\n                \"op_id\": null,\n                \"frames\": [],\n                \"progress_counter\": null,\n                \"error\": \"paired capture abandoned: worker resume unconfirmed\"\n            }))\n        });\n        Ok(Self {\n            workers,\n            process,\n            symbols,\n            initialization_us: micros(started),\n            first_capture: true,\n            fatal_capture: Some(fatal_capture),\n            disarmed: false,\n        })\n    }\n\n    pub(crate) fn capture(&mut self) -> Value {\n        if self.disarmed {\n            return Value::Null;\n        }\n        let started = Instant::now();\n        let capture_begin_mono_ms = crate::mono_ms();\n        // No DbgHelp lock is held here: a suspended worker may itself own it.\n        for worker in &mut self.workers {\n            worker.copy_stack(self.process.0);\n            if let Some(retry_error) = worker.resume_retry_error {\n                self.disarmed = true;\n                // No symbolization, Rust locks, allocation OR deallocation\n                // after an unconfirmed resume. All keys already exist.\n                let mut fatal = self.fatal_capture.take().unwrap_or(Value::Null);\n                if let Some(value) = fatal.get_mut(\"capture_begin_mono_ms\") {\n                    *value = Value::from(capture_begin_mono_ms);\n                }\n                if let Some(value) = fatal.get_mut(\"failed_tid\") {\n                    *value = Value::from(worker.tid);\n                }\n                if let Some(value) = fatal.get_mut(\"resume_error\") {\n                    *value = Value::from(worker.resume_error.unwrap_or(0));\n                }\n                if let Some(value) = fatal.get_mut(\"resume_retry_error\") {\n                    *value = Value::from(retry_error);\n                }\n                emit_resume_failure();\n                if let Some(value) = fatal.get_mut(\"capture_duration_ms\") {\n                    *value = Value::from(micros(started).div_ceil(1000));\n                }\n                return fatal;\n            }\n        }\n        let capture_end_mono_ms = crate::mono_ms();\n        let copy_duration_us = micros(started);\n        let lock_started = Instant::now();\n        let lock = DBGHELP.lock().unwrap_or_else(|e| e.into_inner());\n        let symbol_lock_wait_us = micros(lock_started);\n        let options = SymbolOptions::new();\n        let symbol_started = Instant::now();\n        let workers: Vec<Value> = self\n            .workers\n            .iter_mut()\n            .map(|worker| worker.symbolize(self.process.0, &mut self.symbols))\n            .collect();\n        let symbolization_us = micros(symbol_started);\n        drop(options);\n        drop(lock);\n        let suspend_duration_us: u64 = self.workers.iter().map(|w| w.suspended_us).sum();\n        let first_capture = self.first_capture;\n        self.first_capture = false;\n        let mut result = json!({\n            \"workers\": workers,\n            \"capture_begin_mono_ms\": capture_begin_mono_ms,\n            \"capture_end_mono_ms\": capture_end_mono_ms,\n            \"capture_duration_ms\": started.elapsed().as_millis() as u64,\n            \"perturbation\": {\n                \"backend\": \"windows-x64-copied-stack\",\n                \"suspend_duration_us\": suspend_duration_us,\n                \"suspend_duration_is_upper_bound\": self.workers.iter().all(|w| {\n                    w.resume_retry_error.is_none()\n                        && w.previous_suspend_count.is_none_or(|count| count == 0)\n                }),\n                \"stack_copy_phase_us\": copy_duration_us,\n                \"symbol_lock_wait_us\": symbol_lock_wait_us,\n                \"symbolization_us\": symbolization_us,\n                \"initialization_us\": self.initialization_us,\n                \"first_capture\": first_capture,\n                \"captures_are_sequential\": true,\n                \"stack_buffer_bytes_per_worker\": STACK_BYTES,\n                \"frame_limit\": MAX_FRAMES\n            }\n        });\n        // Include construction of the evidence value in the measured capture.\n        result[\"capture_duration_ms\"] = json!(micros(started).div_ceil(1000));\n        result\n    }\n}\n\nimpl Drop for StackSampler {\n…\n}\n…\nfn symbol_search_path(directory: &Path) -> io::Result<Vec<u16>> {\n    let mut path: Vec<u16> = directory.as_os_str().encode_wide().collect();\n    if let Some(local) = std::env::var_os(\"SPT_NET_DIAG_SYMBOL_DIR\") {\n        let local = Path::new(&local);\n        let units: Vec<u16> = local.as_os_str().encode_wide().collect();\n        // One explicit drive-local directory, never a DbgHelp search list,\n        // UNC path, or srv* directive. PDB preparation happens outside capture.\n        let drive_local = matches!(\n            local.components().next(),\n            Some(Component::Prefix(prefix))\n                if matches!(prefix.kind(), Prefix::Disk(_) | Prefix::VerbatimDisk(_))\n        );\n        if !local.is_absolute()\n            || !drive_local\n            || units.iter().any(|&c| c == 0 || c == b';' as u16 || c == b'*' as u16)\n        {\n            return Err(io::Error::new(\n                io::ErrorKind::InvalidInput,\n                \"SPT_NET_DIAG_SYMBOL_DIR must be one absolute local directory\",\n            ));\n        }\n        if !local.is_dir() {\n            return Err(io::Error::new(\n                io::ErrorKind::NotFound,\n                \"SPT_NET_DIAG_SYMBOL_DIR is not a directory\",\n            ));\n        }\n        path.push(b';' as u16);\n        path.extend(units);\n    }\n    path.push(0);\n    Ok(path)\n}\n\nstruct SymbolCache {\n    // The main executable cannot unload/reload during this process lifetime.\n    // DLL symbols are deliberately excluded, even when their PDB matches.\n    executable_base: u64,\n    frames: HashMap<u64, String>,\n}\n","startLine":126,"lineNumbers":[126,127,null,172,null,176,null,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,null,296,null,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]},"fileSize":34312,"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\302-net-worker-stamps\\crates\\spt-net-diag\\src\\stacks\\windows.rs"}}},"isError":false,"timestamp":1789544044131}}
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{"type":"message","id":"0b2e1c85","parentId":"22933bf4","timestamp":"2026-09-16T07:34:13.530Z","message":{"role":"toolResult","toolCallId":"call_JQUzVbd28x0S2Ww4qC1owQrj|ctc_0087a3f074a9af55016aaa46752df887d29632f6305fba244b","toolName":"edit","content":[{"type":"text","text":"[.worktrees/302-net-worker-stamps/crates/spt-net-diag/src/stacks/windows.rs#5218]\n185:            \"resume_error\": 0,\n186:            \"resume_retry_error\": 0,\n187:            \"processing_duration_ms\": 0,\n188:            \"capture_begin_mono_ms\": 0,\n189:            \"capture_end_mono_ms\": null,\n\n210:    pub(crate) fn capture(&mut self) -> Value {\n\n233:                if let Some(value) = fatal.get_mut(\"resume_retry_error\") {\n\n235:                }\n236:                emit_resume_failure();\n237:                if let Some(value) = fatal.get_mut(\"processing_duration_ms\") {\n238:                    *value = Value::from(micros(started).div_ceil(1000));\n239:                }\n261:        let mut result = json!({\n262:            \"workers\": workers,\n263:            \"capture_timing\": \"raw-copy-resume-v1\",\n264:            \"capture_begin_mono_ms\": capture_begin_mono_ms,\n265:            \"capture_end_mono_ms\": capture_end_mono_ms,\n266:            \"processing_duration_ms\": started.elapsed().as_millis() as u64,\n267:            \"perturbation\": {\n268:                \"backend\": \"windows-x64-copied-stack\",\n282:            }\n283:        });\n284:        // Include construction of the evidence value in end-to-end processing.\n285:        result[\"processing_duration_ms\"] = json!(micros(started).div_ceil(1000));\n286:        result\n287:    }"}],"details":{"diff":" 185|            \"resume_error\": 0,\n 186|            \"resume_retry_error\": 0,\n-187|            \"capture_duration_ms\": 0,\n+187|            \"processing_duration_ms\": 0,\n 188|            \"capture_begin_mono_ms\": 0,\n 189|            \"capture_end_mono_ms\": null,\n\n 210|    pub(crate) fn capture(&mut self) -> Value {\n\n 233|                if let Some(value) = fatal.get_mut(\"resume_retry_error\") {\n\n 235|                }\n 236|                emit_resume_failure();\n-237|                if let Some(value) = fatal.get_mut(\"capture_duration_ms\") {\n+237|                if let Some(value) = fatal.get_mut(\"processing_duration_ms\") {\n 238|                    *value = Value::from(micros(started).div_ceil(1000));\n 239|                }\n 261|        let mut result = json!({\n 262|            \"workers\": workers,\n+263|            \"capture_timing\": \"raw-copy-resume-v1\",\n 263|            \"capture_begin_mono_ms\": capture_begin_mono_ms,\n 264|            \"capture_end_mono_ms\": capture_end_mono_ms,\n-265|            \"capture_duration_ms\": started.elapsed().as_millis() as u64,\n+266|            \"processing_duration_ms\": started.elapsed().as_millis() as u64,\n 266|            \"perturbation\": {\n 267|                \"backend\": \"windows-x64-copied-stack\",\n 281|            }\n 282|        });\n-283|        // Include construction of the evidence value in the measured capture.\n-284|        result[\"capture_duration_ms\"] = json!(micros(started).div_ceil(1000));\n+284|        // Include construction of the evidence value in end-to-end processing.\n+285|        result[\"processing_duration_ms\"] = json!(micros(started).div_ceil(1000));\n 285|        result\n 286|    }","firstChangedLine":187,"op":"update","path":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\302-net-worker-stamps\\crates\\spt-net-diag\\src\\stacks\\windows.rs","snapshotsPruned":true},"isError":false,"timestamp":1789544053530}}
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{"type":"message","id":"ddeba527","parentId":"cf59fdce","timestamp":"2026-09-16T07:34:42.183Z","message":{"role":"toolResult","toolCallId":"call_Yggt67RsLgOd6xw4gLTFnO1X|fc_0087a3f074a9af55016aaa4691a44487d2a5934cc6eff22b87","toolName":"read","content":[{"type":"text","text":"[.worktrees/302-net-worker-stamps/crates/spt-net-diag/src/stacks/windows.rs#5218]\n49:#[link(name = \"kernel32\")]\n50:extern \"system\" {\n51:    fn GetModuleHandleW(name: *const u16) -> HANDLE;\n52:    fn GetStdHandle(which: u32) -> HANDLE;\n53:    fn WriteFile(\n54:        file: HANDLE,\n55:        bytes: *const u8,\n56:        length: u32,\n57:        written: *mut u32,\n58:        overlapped: *mut c_void,\n59:    ) -> i32;\n60:}\n…\n328:fn symbol_search_path(directory: &Path) -> io::Result<Vec<u16>> {\n329:    let mut path: Vec<u16> = directory.as_os_str().encode_wide().collect();\n330:    if let Some(local) = std::env::var_os(\"SPT_NET_DIAG_SYMBOL_DIR\") {\n331:        let local = Path::new(&local);\n332:        let units: Vec<u16> = local.as_os_str().encode_wide().collect();\n333:        // One explicit drive-local directory, never a DbgHelp search list,\n334:        // UNC path, or srv* directive. PDB preparation happens outside capture.\n335:        let drive_local = matches!(\n336:            local.components().next(),\n337:            Some(Component::Prefix(prefix))\n338:                if matches!(prefix.kind(), Prefix::Disk(_) | Prefix::VerbatimDisk(_))\n339:        );\n340:        if !local.is_absolute()\n341:            || !drive_local\n342:            || units.iter().any(|&c| c == 0 || c == b';' as u16 || c == b'*' as u16)\n343:        {\n344:            return Err(io::Error::new(\n345:                io::ErrorKind::InvalidInput,\n346:                \"SPT_NET_DIAG_SYMBOL_DIR must be one absolute local directory\",\n347:            ));\n348:        }\n349:        if !local.is_dir() {\n350:            return Err(io::Error::new(\n351:                io::ErrorKind::NotFound,\n352:                \"SPT_NET_DIAG_SYMBOL_DIR is not a directory\",\n353:            ));\n354:        }\n355:        path.push(b';' as u16);\n356:        path.extend(units);\n357:    }\n358:    path.push(0);\n359:    Ok(path)\n360:}\n361:\n362:struct SymbolCache {\n363:    // The main executable cannot unload/reload during this process lifetime.\n364:    // DLL symbols are deliberately excluded, even when their PDB matches.\n365:    executable_base: u64,\n366:    frames: HashMap<u64, String>,\n367:}"}],"details":{"displayContent":{"text":"#[link(name = \"kernel32\")]\nextern \"system\" {\n    fn GetModuleHandleW(name: *const u16) -> HANDLE;\n    fn GetStdHandle(which: u32) -> HANDLE;\n    fn WriteFile(\n        file: HANDLE,\n        bytes: *const u8,\n        length: u32,\n        written: *mut u32,\n        overlapped: *mut c_void,\n    ) -> i32;\n}\n…\nfn symbol_search_path(directory: &Path) -> io::Result<Vec<u16>> {\n    let mut path: Vec<u16> = directory.as_os_str().encode_wide().collect();\n    if let Some(local) = std::env::var_os(\"SPT_NET_DIAG_SYMBOL_DIR\") {\n        let local = Path::new(&local);\n        let units: Vec<u16> = local.as_os_str().encode_wide().collect();\n        // One explicit drive-local directory, never a DbgHelp search list,\n        // UNC path, or srv* directive. PDB preparation happens outside capture.\n        let drive_local = matches!(\n            local.components().next(),\n            Some(Component::Prefix(prefix))\n                if matches!(prefix.kind(), Prefix::Disk(_) | Prefix::VerbatimDisk(_))\n        );\n        if !local.is_absolute()\n            || !drive_local\n            || units.iter().any(|&c| c == 0 || c == b';' as u16 || c == b'*' as u16)\n        {\n            return Err(io::Error::new(\n                io::ErrorKind::InvalidInput,\n                \"SPT_NET_DIAG_SYMBOL_DIR must be one absolute local directory\",\n            ));\n        }\n        if !local.is_dir() {\n            return Err(io::Error::new(\n                io::ErrorKind::NotFound,\n                \"SPT_NET_DIAG_SYMBOL_DIR is not a directory\",\n            ));\n        }\n        path.push(b';' as u16);\n        path.extend(units);\n    }\n    path.push(0);\n    Ok(path)\n}\n\nstruct SymbolCache {\n    // The main executable cannot unload/reload during this process lifetime.\n    // DLL symbols are deliberately excluded, even when their PDB matches.\n    executable_base: u64,\n    frames: HashMap<u64, String>,\n}","startLine":49,"lineNumbers":[49,50,51,52,53,54,55,56,57,58,59,60,null,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]},"fileSize":34377,"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\302-net-worker-stamps\\crates\\spt-net-diag\\src\\stacks\\windows.rs"}}},"isError":false,"timestamp":1789544082182}}
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{"type":"message","id":"b09d75e3","parentId":"9693bc51","timestamp":"2026-09-16T07:35:23.105Z","message":{"role":"assistant","content":[{"type":"thinking","thinking":"**Finalizing source edits**\n\n**Reviewing native timing data**\n\n**Checking initialization timing**"},{"type":"toolCall","id":"call_SbR17b3cRkgBA6EQ4mKZsyuD|fc_0087a3f074a9af55016aaa46aba2bc87d292349ba2eb3a0985","name":"yield","arguments":{"data":{"file":".worktrees/302-net-worker-stamps/crates/spt-net-diag/src/stacks/windows.rs","changes":["Added sampler-owned successful-symbol cache shared across both workers, keyed by exact PC and capped at 4096 entries. Admission requires no new symbolization errors, existing matched-PDB checks, both DbgHelp module bases matching GetModuleHandleW(NULL), and PC inside executable image. DLL symbols and failures remain uncached; cache saturation falls back to ordinary symbolization.","Added optional SPT_NET_DIAG_SYMBOL_DIR following the Main/SymbolCache302 contract. Preserves executable directory first; appends one existing absolute drive-path directory, rejecting UNC/relative paths, NUL, semicolons and srv* syntax. No downloader or symbol-server configuration.","Added shared-origin capture_begin_mono_ms/capture_end_mono_ms around paired copy/resume, before acquiring symbol lock, plus capture_timing='raw-copy-resume-v1' on normal return.","Per Main's revised timing contract, renamed old end-to-end capture_duration_ms to processing_duration_ms without subtracting work. It still includes copying, symbolization and evidence construction. Existing initialization_us, first_capture and perturbation timings remain.","Fatal evidence preallocates raw begin/end fields. Failure updates begin and processing duration without allocation; end stays null because resumption is unconfirmed. No cache access or symbolization enters fatal/suspended paths."],"evidence":{"existing_forced_1_first_row":{"processing_ms_before_rename":281,"suspended_us":58,"copy_us":61,"symbolization_us":280432,"initialization_us":121525},"existing_forced_1_last_row":{"processing_ms_before_rename":98,"suspended_us":56,"copy_us":58,"symbolization_us":96908},"validation":"No compilation, native execution, tests, formatting or clippy performed, as assigned. No measured improvement claimed; Main's next native proof must establish behavior."},"risks":["Cache assumes the current executable's normal process-lifetime immutable mapping; live code patching is not modeled. Existing DLL/unwind live-image lifetime limitations remain unchanged.","The local directory guard rejects network/search-list syntax, but does not audit mapped-drive or reparse-point targets. Main's confirmed preserved C: cache is the intended trusted input.","Successful cache hits still clone strings into evidence, and uncached DLL symbolization plus StackWalk64 work remain; end-to-end speedup is unproven.","New timing schema requires Main/Hertz integration; historical rows are not reinterpreted. 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