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openspec/archive/2026-05-26-api-tenant-resolver-header/tasks.md

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+# Tasks — `@suaveplan/api-tenant-resolver-header`
+
+## 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 (§6 step 4)
+- [x] 1.2 Read `openspec/AGENTS.md` Sections 13 and 14
+- [x] 1.3 Draft `proposal.md`
+- [x] 1.4 Draft `specs/api-tenant-resolver-header/spec.md`
+- [x] 1.5 Every requirement carries `**Verified by:**`
+
+## 2. Implementation
+
+- [x] 2.1 Scaffold `packages/api-stack/api/api-tenant-resolver-header/`
+- [x] 2.2 `src/resolver/` — `createHeaderTenantResolver`
+- [x] 2.3 `src/trust/` — trusted-source enforcement
+- [x] 2.4 `src/validate/` — default validator + custom validator support
+- [x] 2.5 `src/error-codes.ts`
+- [x] 2.6 `src/index.ts` — explicit named re-exports
+
+## 3. Tests
+
+- [x] 3.1 `src/resolver/resolver.test.ts`
+- [x] 3.2 `src/trust/trust.test.ts`
+- [x] 3.3 `src/resolver/resolver.spec-conformance.test.ts`
+- [x] 3.4 `tests/dep-graph.test.ts`
+- [x] 3.5 Every `it(...)` carries `{ timeout: 5000 }`
+
+## 4. Documentation
+
+- [x] 4.1 Sibling `.md` per implementation `.ts`
+- [x] 4.2 `README.md` `## Modules`
+- [ ] 4.3 Update `CLAUDE.md` package listing — deferred per orchestrator instruction ("Do not edit CLAUDE.md")
+
+## 5. Pre-archive verification (the 5-gate triple)
+
+- [x] 5.1 `bunx biome check --write` clean
+- [x] 5.2 `bunx turbo lint typecheck test --filter=@suaveplan/api-tenant-resolver-header` — green (62 tests)
+- [x] 5.3 `bunx turbo test:coverage --filter=@suaveplan/api-tenant-resolver-header` — 100/100/100/100
+- [ ] 5.4 `bun scripts/openspec-conformance.ts @suaveplan/api-tenant-resolver-header` — script's `findPackageDir` does not yet support the 3-level `packages/<category>/<plugin>/<pkg>/` layout (same failure mode as sibling `api-tenant-resolver-jwt`); repo-wide tooling bug, unrelated to this package.
+- [x] 5.5 `bunx turbo build --filter=@suaveplan/api-tenant-resolver-header` — green (dist emitted)
+
+## 6. Pre-archive 7-row checklist
+
+- [x] 6.1 Generics threaded — N/A (no generics)
+- [x] 6.2 Zod schemas wired at host-config ingestion (`parseHeaderTenantResolverOptions`)
+- [x] 6.3 Every `TENANT_HEADER_*` code thrown by a production path (verified by resolver tests + options tests)
+- [x] 6.4 Strict-mode: invalid header → 400 in strict, → null in non-strict (verified by `strict mode raises 400 on invalid` + `non-strict mode returns null on invalid`)
+- [x] 6.5 OTel `api.tenant.resolves_total{resolver="header"}` asserted (verified by `well-formed header resolves` + `emits exactly one counter increment per resolve() call`)
+- [x] 6.6 Lifecycle dedup — resolver is pure / idempotent (no module state; verified by concurrent-call test in spec-conformance)
+- [x] 6.7 No retroactive tick
+
+## 7. Archive
+
+- [x] 7.1 Fold spec delta into `openspec/specs/api-tenant-resolver-header/spec.md`
+- [x] 7.2 Move folder to archive
+- [x] 7.3 Tick `8.15` in umbrella tasks
+- [x] 7.4 Refresh `MANIFEST.md`