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2026-05-27 23:29:53 +01:00

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# Tasks — biometrics
> Every checkbox MUST reflect work actually done in this change. Do not retroactively tick boxes for work that was already in main when this change opened.
## 0. Pre-flight (non-negotiable)
- [ ] 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)
- [ ] 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.
- [ ] 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
- [ ] 1.1 Read `MIGRATION.md` Section 4.6 for source requirements (skip enterprise — genesis-original)
- [ ] 1.2 Read `openspec/specs/biometrics/spec.md` if it exists
- [ ] 1.3 Read `openspec/AGENTS.md` Sections 13 and 14
- [ ] 1.4 Draft `proposal.md` from `openspec/templates/proposal.md`
- [ ] 1.5 Confirm no `## Source mapping` section (genesis-original)
- [ ] 1.6 Draft `specs/biometrics/spec.md` from `openspec/templates/spec-delta.md`
- [ ] 1.7 Every requirement in the spec delta carries a `**Verified by:**` line naming concrete `it(...)` titles
## 2. Implementation
- [ ] 2.1 Scaffold `packages/universal/biometrics/` with `package.json`, `tsconfig.json`, `tsconfig.lib.json`, `vite.config.ts`, `vitest.config.ts`, `README.md`
- [ ] 2.2 Implement `src/error-codes.ts` — `BIOMETRIC.*` codes via `defineCodes`
- [ ] 2.3 Implement `src/errors/biometric-error.ts`, `biometric-not-available-error.ts`, `biometric-hardware-error.ts`
- [ ] 2.4 Implement `src/types.ts` — `BiometricAvailability`, `BiometricType`, `UnavailabilityReason`, `AuthenticateOptions`
- [ ] 2.5 Implement `src/schemas.ts` — Zod schemas for boundary types
- [ ] 2.6 Implement `src/delegate/delegate.ts` — `BiometricDelegate` interface
- [ ] 2.7 Implement `src/delegate/capacitor.ts` — `CapacitorBiometricDelegate`
- [ ] 2.8 Implement `src/delegate/electrobun.ts` — `ElectrobunBiometricDelegate`
- [ ] 2.9 Implement `src/delegate/macos-keychain.ts` — `MacosKeychainBiometricDelegate`
- [ ] 2.10 Implement `src/delegate/noop.ts` — `NoOpBiometricDelegate`
- [ ] 2.11 Implement `src/platform/platform.ts` — runtime platform detection
- [ ] 2.12 Implement `src/auth/auth.ts` — `BiometricAuth` facade
- [ ] 2.13 Implement `src/telemetry/meters.ts` — OTel counters and histograms
- [ ] 2.14 Wire subpath exports in `package.json` for every feature module
- [ ] 2.15 Implement `src/clock.ts` — injectable `Clock` for deterministic timeout testing in `BiometricAuth`
## 3. Tests
- [ ] 3.1 Unit tests at `src/auth/auth.test.ts` covering every scenario
- [ ] 3.2 Unit tests at `src/platform/platform.test.ts` covering every scenario
- [ ] 3.3 Unit tests at `src/delegate/delegate.test.ts` covering every scenario
- [ ] 3.4 Unit tests at `src/availability/availability.test.ts` covering every scenario
- [ ] 3.5 Spec-conformance tests at `src/errors/errors.spec-conformance.test.ts` pinning type-level / observability / strict-mode scenarios
- [ ] 3.6 Integration / contract tests where the spec demands them
- [ ] 3.7 Every `it(...)` carries `{ timeout: 5000 }` (or 30000 for genuinely async)
## 4. Documentation
- [ ] 4.1 Sibling `.md` for every implementation `.ts` (≥200 words, basic + advanced examples, full API reference)
- [ ] 4.2 README links every co-located `.md` under `## Modules`
- [ ] 4.3 Update `CLAUDE.md` package listing if this is a new package or removes a package
## 5. Pre-archive verification (the 5-gate triple)
- [ ] 5.1 `bun run check` — Biome 0 errors / 0 warnings / 0 info across the whole monorepo
- [ ] 5.2 `bunx turbo lint typecheck test --filter=@suaveplan/biometrics` — green
- [ ] 5.3 `bunx turbo test:coverage --filter=@suaveplan/biometrics` — 100/100/100/100
- [ ] 5.4 `bun scripts/openspec-conformance.ts @suaveplan/biometrics` — exit 0, no `error` findings
- [ ] 5.5 `bunx turbo build --filter=@suaveplan/biometrics` — green
## 6. Pre-archive 7-row checklist (AGENTS.md Section 13)
- [ ] 6.1 Generics threaded; `expectTypeOf` assertions on every literal-type claim
- [ ] 6.2 Zod schemas wired at every declared boundary
- [ ] 6.3 Every error code in `error-codes.ts` thrown by at least one production path
- [ ] 6.4 Strict-mode behaviors tested both on and off
- [ ] 6.5 OTel instruments emitted from production paths and asserted with a real in-memory `MeterProvider`
- [ ] 6.6 Lifecycle dedup tested where claimed (in-flight Promise, idempotent set/load)
- [ ] 6.7 No retroactive tick — every box above reflects work done in this change
## 7. Archive
- [ ] 7.1 Fold spec delta into `openspec/specs/biometrics/spec.md`
- [ ] 7.2 Move `openspec/changes/biometrics/` → `openspec/archive/<yyyy-mm-dd>-biometrics/`
- [ ] 7.3 Refresh `MANIFEST.md` if package set or deps changed