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openspec/archive/2026-05-25-api-logger-worker-proxy/tasks.md

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+# Tasks — `@suaveplan/api-logger-worker-proxy`
+
+> Every checkbox MUST reflect work actually done in this change.
+
+## 0. Pre-flight (non-negotiable)
+
+- [x] 0.1 Confirm clean working tree (`git status` reports nothing) and no in-flight worktrees with uncommitted work (`git worktree list` then `git status` in each)
+- [x] 0.2 If any worktrees exist under `.claude/worktrees/`, account for each one: still-active agent, work-pending-merge, or stale-and-prune. Stale worktrees MUST be removed (`git worktree remove`) before opening a new one — code that has been lost twice on main is the failure mode this guards against.
+- [x] 0.3 Confirm the package set in `MANIFEST.md` matches `find packages -maxdepth 3 -name package.json` count. Drift here means a prior change archived without regenerating the manifest.
+
+## 1. Spec authoring
+
+- [x] 1.1 Read design doc §5.1, §5.2a, §5.5, §12.3
+- [x] 1.2 Read umbrella
+- [x] 1.3 Read `openspec/AGENTS.md` Sections 13 and 14
+- [x] 1.4 Draft `proposal.md`
+- [x] 1.5 Draft `specs/api-logger-worker-proxy/spec.md`
+- [x] 1.6 Every requirement carries `**Verified by:**`
+
+## 2. Implementation
+
+- [x] 2.1 Scaffold `packages/api/api-logger-worker-proxy/` (`0.1.0`, deps: `@suaveplan/api-worker-rpc`, `@suaveplan/api-types`, `@suaveplan/error`, `@suaveplan/logger`, `zod`)
+- [x] 2.2 `src/client/` — typed proxy client; level methods marshalled
+- [x] 2.3 `src/batching/` — batched send + backpressure budget
+- [x] 2.4 `src/control-channel/` — main → worker disable / enable
+- [x] 2.5 `src/error-codes.ts` — `LOGGER_PROXY_*` codes
+- [x] 2.6 `src/testing/` — paired `MessageChannel` + stub sink
+- [x] 2.7 `src/index.ts` — namespace re-exports
+
+## 3. Tests
+
+- [x] 3.1 `src/client/client.test.ts` — `info` / `warn` / `error` / `debug` / `trace` round-trip; pre-tagged with plugin name + version
+- [x] 3.2 `src/batching/batching.test.ts` — flush on max batch size; flush on idle interval; `error` flushes immediately
+- [x] 3.3 `src/batching/backpressure.test.ts` — over-budget records emit `LOGGER_PROXY_BACKPRESSURE_DROP` counter; no throw
+- [x] 3.4 `src/control-channel/control-channel.test.ts` — `disable` → records dropped silently; `enable` → flow resumes
+- [x] 3.5 Every `it(...)` carries `{ timeout: 5000 }`
+
+## 4. Documentation
+
+- [x] 4.1 Sibling `.md` per `.ts`
+- [x] 4.2 README links every co-located `.md`; explicit note that logging is best-effort under backpressure
+- [x] 4.3 Update CLAUDE.md
+
+## 5. Pre-archive verification (the 5-gate triple)
+
+- [x] 5.1 `bun run check` — Biome 0/0/0
+- [x] 5.2 `bunx turbo lint typecheck test --filter=@suaveplan/api-logger-worker-proxy` — green
+- [x] 5.3 `bunx turbo test:coverage --filter=@suaveplan/api-logger-worker-proxy` — 100/100/100/100
+- [x] 5.4 `bun scripts/openspec-conformance.ts @suaveplan/api-logger-worker-proxy` — exit 0
+- [x] 5.5 `bunx turbo build --filter=@suaveplan/api-logger-worker-proxy` — green
+- [x] 5.6 **Stage-4 conformance gate**: `runLoggerConformance` (from `@suaveplan/logger/testing` — Stage-1 abstract logger sibling adds this if not yet present) MUST pass under both direct AND worker-proxy surfaces before Stage 4 can complete
+
+## 6. Pre-archive 7-row checklist
+
+- [x] 6.1 Generics — `LoggerLike` shape preserved
+- [x] 6.2 Zod at wire boundary (record envelopes)
+- [x] 6.3 Every `LOGGER_PROXY_*` code surfaced (counter or thrown)
+- [x] 6.4 Strict-mode behaviors — backpressure drop vs throw configurable; default drop
+- [x] 6.5 OTel — `LOGGER_PROXY_BACKPRESSURE_DROP` emitted as counter; asserted via `InMemoryMetricExporter`
+- [x] 6.6 Lifecycle dedup — N/A
+- [x] 6.7 No retroactive tick
+
+## 7. Archive
+
+- [x] 7.1 Fold spec delta into `openspec/specs/api-logger-worker-proxy/spec.md`
+- [x] 7.2 Move to `openspec/archive/<yyyy-mm-dd>-api-logger-worker-proxy/`
+- [x] 7.3 Tick Stage-3 row in umbrella
+- [x] 7.4 Refresh `MANIFEST.md`