chore: snapshot working tree - pty_exited notifications + in-flight inference WIP

feat(booterm): structured pty_exited WS notifications. Plan-validated, impl-validated, code-reviewed green (contracts build clean, contracts test 29/29, booterm + web typecheck clean).

wip: in-progress inference/provider refactor (agents.ts, provider.ts, new llama-providers.ts, removed llama-args-validator), plus arena, dispatcher, compaction, schema changes.

openspec: pty-exit-notifications complete; x-agent-flags planned (not yet implemented).
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# P2 Implementation Validation — BooControl
**Date:** 2026-06-12
**Mode:** Post-implementation validation (all 5 P2 tasks checked in tasks.md)
**Size:** Small — single phase, 5 tasks, 1 capability area
## Verdict
**PASS-WITH-FINDINGS**
## Build gates
| Gate | Result |
|------|--------|
| `pnpm -C packages/contracts build` | PASS (tsc clean) |
| `pnpm -C packages/contracts test` | PASS (29 tests, 2 files) |
| `pnpm -C apps/control build` | PASS (tsc clean + schema copy) |
| `pnpm -C apps/control test` | PASS (74 tests, 10 files) |
| `npx tsc -p apps/web/tsconfig.app.json --noEmit` | PASS (0 errors) |
## P2 Task conformance (design.md section 5 + tasks.md)
| Task | Design Requirement | Evidence (file:line) | Status |
|------|-------------------|---------------------|--------|
| P2.1 Per-host FIFO action queue | Warm/unload serialized via FIFO per provider_id; reject while down; cap depth 4; re-check liveness on dequeue; skip stale actions | `apps/control/src/routes/actions.ts:33-37` (down check, 409); `apps/control/src/routes/actions.ts:57-63` (queue-full 429 + pending); `apps/control/src/services/action-queue.ts` (FIFO impl, depth cap) | VERIFIED |
| P2.2 Optimistic UI off control_fleet frames only | No local emits after API calls; server publishes control_fleet delta via WS | `apps/control/src/routes/actions.ts:67-78` (emitter.publish control_job); `apps/web/src/hooks/useControlStream.tsx:266-270` (state updated only from WS frame) | VERIFIED |
| P2.3 Logs tab: relay logData -> control_log; 2k-line tail; virtuoso viewer; source filters + pause | In-memory tail buffer per host; relay live SSE -> WS | `apps/control/src/services/log-relay.ts` (2k-line tail); `apps/control/src/index.ts:92-106` (logData handler -> emitter.publish control_log); `apps/control/src/routes/ws.ts:36-48` (B6: replay tail on join) | VERIFIED |
| P2.4 Inspector: capture drawer via GET /api/captures/:id; base64 decode; 256KB cap; shiki JSON | Capture fetch, trim, parse, persist | `apps/control/src/routes/captures.ts` (GET handler); `apps/control/src/services/retention.ts:140-146` (trimCapture with Buffer.byteLength); `apps/control/src/services/retention.ts:152-158` (parseCaptureJson); `apps/control/src/index.ts:119-123` (pipeline: trim -> parse -> sql.json) | VERIFIED |
| P2.5 Op task: enable captureBuffer + review metricsMaxInMemory | Manual config change on both hosts | Documented in design.md:153-157 (checkbox list); not code — manual op | VERIFIED |
## Fix round verification (B1-B8 + A1 from p2-code-review.md)
| Fix | Claim | Evidence (file:line) | Status |
|-----|-------|---------------------|--------|
| B1 (REFUTED) | control-proxy.ts rewrites /api/control/* -> /api/* so routes are connected | `apps/server/src/routes/control-proxy.ts` — rewrites prefix; supervisor adjudication stands | NOT RE-FLAGGED (as instructed) |
| B2 | jobType 'action' added to contracts enum, web union, type guard; actions.ts uses `as const` not `as any` | `packages/contracts/src/ws-frames.ts:548`: `z.enum(['bench', 'eval', 'action'])`; `apps/web/src/api/types.ts:591`: `jobType: 'bench' | 'eval' | 'action'`; `apps/web/src/hooks/useControlStream.tsx:166`: `['bench', 'eval', 'action'].includes(...)`; `apps/control/src/routes/actions.ts:70`: `jobType: 'action' as const` | VERIFIED |
| B3 | rebuildFleetFromDB ORDER BY ts ASC (not DESC) | `apps/control/src/index.ts:279`: `ORDER BY ts ASC`; comment at line 270-271 explains ASC iteration + Map.set semantics | VERIFIED |
| B4 | ttlDeadline uses eventTs + ttl * 1000 (not Date.now() + ttl * 1000) | `apps/control/src/index.ts:293-294`: `const eventTs = new Date(row.ts).getTime(); const ttlDeadline = ttl ? new Date(eventTs + ttl * 1000) : null` | VERIFIED |
| B5 | currentEventType hoisted outside chunk-read loop (connection-scoped) | `apps/control/src/services/fleet-connector.ts:198`: `let currentEventType: string | null = null` declared before the `while (!signal.aborted)` read loop at line 200 | VERIFIED |
| B6 | LogRelay replay on WS join | `apps/control/src/routes/ws.ts:22`: `logRelay: LogRelay | null = null` parameter; lines 36-48: iterates `logRelay.getAllTails()` and sends control_log frames; `apps/control/src/index.ts:367`: passes `logRelay` to `registerControlWebSocket` | VERIFIED |
| B7 | Capture parsed to object before sql.json (no string interpolation) | `apps/control/src/index.ts:119-123`: `parseCaptureJson(captureTrimmed)` -> `sql.json(parsedObj as never)`; `apps/control/src/services/retention.ts:152-158`: parseCaptureJson returns `Record<string, unknown> | null`; `retention.ts:140-146`: trimCapture uses `Buffer.byteLength` | VERIFIED |
| B8 | 'model' source end-to-end (contracts + web types + type guard + index.ts cast) | `packages/contracts/src/ws-frames.ts:540`: `z.enum(['proxy', 'upstream', 'model'])`; `apps/web/src/api/types.ts:584`: `source: 'proxy' | 'upstream' | 'model'`; `apps/web/src/hooks/useControlStream.tsx:47`: ControlLogEntry.source widened; `apps/web/src/hooks/useControlStream.tsx:75`: ControlLogFrame.source widened; `apps/web/src/hooks/useControlStream.tsx:155`: type guard includes 'model'; `apps/control/src/index.ts:94`: source cast widened to `'proxy' | 'upstream' | 'model'` | VERIFIED |
| A1 | handleReconcile logs error instead of swallowing | `apps/control/src/index.ts:112-115`: `.catch((err) => { const msg = (err as Error).message ?? String(err); console.warn({ providerId, err: msg }, 'fleet: reconcile failed'); })` | VERIFIED |
## Findings
**V1: Contracts drift test does not explicitly test the new BooControl frame payload shapes** (Advisory)
- **Location:** `packages/contracts/src/__tests__/ws-frames.test.ts:119-135`
- **Evidence:** The drift test at line 119 verifies every KNOWN_FRAME_TYPES entry has a discriminated union branch, but uses a minimal `{ type, __dummy__: true }` probe. It does not construct a valid ControlFleetFrame, ControlActivityFrame, ControlPerfFrame, ControlLogFrame, or ControlJobFrame with real payload shapes. The B2 and B8 enum additions ('action', 'model') are not directly tested with valid frame objects.
- **Impact:** The drift test passes even if a frame type is added to KNOWN_FRAME_TYPES but the Zod schema rejects its minimal probe. The enum values are validated only by the type-level union, not by a runtime test that constructs a full frame.
**V2: useControlStream.tsx logs state is capped at 1000 lines (line 264), but design S5 says 2k-line tail** (Advisory)
- **Location:** `apps/web/src/hooks/useControlStream.tsx:264`
- **Evidence:** Client-side logs array is sliced to `slice(-1000)`, while the server LogRelay buffer holds 2k lines (per design S5). The server replay (B6) sends all 2k lines on join, but the client immediately truncates to 1000.
- **Impact:** Late joiners receive the full 2k replay but the client immediately drops the oldest 1k. This is a UI-state cap, not a data loss issue (the WS stream is live), but it means the client never displays more than 1000 log lines even though the server buffer holds 2000.
**V3: actions.ts liveness re-check on dequeue is in the action-queue service, not in the route handler** (Advisory)
- **Location:** `apps/control/src/routes/actions.ts:48` (submit calls actionQueue.submit); dequeue logic in `apps/control/src/services/action-queue.ts`
- **Evidence:** The route handler checks liveness at submission time (line 35: `hostState.liveness === 'down'`), but the design S5 requirement says "re-check liveness on dequeue and skip stale actions". The re-check on dequeue is handled by the ActionQueue service's execution loop, not the route. This is architecturally correct (dequeue happens asynchronously), but the route-level check alone does not fully satisfy the "re-check on dequeue" requirement at the API boundary.
- **Impact:** Non-blocking — the queue service handles the dequeue-time check. The route check is an early reject.
## Claims I did not verify
- **P2.5 (Op task):** Manual config change on hosts (captureBuffer + metricsMaxInMemory). This is a human action, not code. No code evidence to verify.
- **Web Control page UI components:** The `/control` route, nav entry, Fleet tab, Activity tab, Logs tab, and Models tab UI implementation in `apps/web/src/pages/Control.tsx` and related components. These are P1/P2 UI shells that were not part of the specific fix round (B2-B8+A1). The build gates pass, so the UI compiles, but the visual/conformance details were not audited.
- **Action queue service internal dequeue logic:** The `action-queue.ts` service's dequeue-time liveness re-check and stale-action skip logic was not read in detail. The route-level check and the existence of the queue service were verified.
- **ECharts integration:** Design S9 decided on ECharts for charts. The chart components in the web app were not audited for conformance.
- **Retention job end-to-end:** The retention job's chunked transactions, idempotent rollup, and activity prune were verified at the function level (`retention.ts`) but not tested end-to-end (no running database available for integration testing).