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

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# Tasks — wire-notification-channels
> Every checkbox MUST reflect work actually done in this change. No retroactive ticks.
## 1. Spec authoring
- [ ] 1.1 Read `openspec/archive/2026-05-19-add-api-plugin-notifications/proposal.md` end-to-end
- [ ] 1.2 Read `openspec/specs/api-plugin-notifications/spec.md` (existing canonical spec)
- [ ] 1.3 Read `openspec/AGENTS.md` Sections 6, 13, 14
- [ ] 1.4 Draft `proposal.md` from `openspec/templates/proposal.md`
- [ ] 1.5 Fill in `## Source mapping` table — every requirement cites archived proposal lines or has a "no source line" justification
- [ ] 1.6 Draft `specs/api-plugin-notifications/spec.md` with `## ADDED Requirements` (dispatcher + channels + tracking) and `## MODIFIED Requirements` (plugin lifecycle, options schema)
- [ ] 1.7 Every requirement in the spec delta carries a `**Verified by:**` line naming concrete `it(...)` titles
## 2. Implementation
- [ ] 2.1 Add `@suaveplan/notification-channel`, `@suaveplan/emailer`, `@suaveplan/delivery-tracking` to `package.json` `dependencies` via `workspace:^`
- [ ] 2.2 Add new error codes (`DISPATCH_FAILED`, `DISPATCH_CHANNEL_UNAVAILABLE`, `DISPATCH_INPUT_INVALID`, `EMAIL_SERVICE_UNAVAILABLE`) to `src/error-codes/error-codes.ts`
- [ ] 2.3 Add `notificationsDispatchedTotal` + `notificationsDispatchFailedTotal` OTel counters
- [ ] 2.4 Create `src/channels/apn-channel/` module — `ApnDeliveryChannel` implementing `DeliveryChannel`, with sibling `.md`
- [ ] 2.5 Create `src/channels/email-channel/` module — `EmailDeliveryChannel` implementing `DeliveryChannel`, with sibling `.md`
- [ ] 2.6 Create `src/dispatcher/notification-dispatcher/` module — wraps `NotificationRouter`, emits delivery events, optional idempotency adapter, with sibling `.md`
- [ ] 2.7 Create `src/dispatcher/idempotency-adapter/` module — `DispatcherIdempotencyAdapter` interface + `NoopIdempotencyAdapter` impl, with sibling `.md`
- [ ] 2.8 Create `src/schemas/dispatch-schemas.ts` — Zod `DispatchInputSchema` + `DispatchResultSchema`, with sibling `.md`
- [ ] 2.9 Extend `src/schemas/options.ts` with `enableDispatcher`, `defaultChannel`, `delivery` fields; existing fields unchanged
- [ ] 2.10 Extend `src/services/registry-augmentation.ts` with `notificationDispatcher`, `emailService` slots
- [ ] 2.11 Extend `src/plugin/plugin.ts` — `onInit` registers `emailService` (if injected) + `notificationDispatcher` (if `enableDispatcher`); `onClose` clears the dispatcher
- [ ] 2.12 Extend `src/index.ts` to re-export every new public symbol; add per-feature subpath exports in `package.json`
## 3. Tests
- [ ] 3.1 `src/channels/apn-channel/apn-channel.test.ts` — every behavior (success, per-device failure, missing-token rejection, bulk fan-out via `metadata.deviceTokens`)
- [ ] 3.2 `src/channels/email-channel/email-channel.test.ts` — success, missing subject, transport failure
- [ ] 3.3 `src/dispatcher/notification-dispatcher/notification-dispatcher.test.ts` — end-to-end dispatcher: success path, channel-disabled, transport failure, delivery-tracking emission, idempotency dedup, default-channel fallback, OTel emission
- [ ] 3.4 `src/dispatcher/idempotency-adapter/idempotency-adapter.test.ts` — `NoopIdempotencyAdapter` and a fake guard adapter
- [ ] 3.5 `src/schemas/dispatch-schemas.test.ts` — Zod boundary tests
- [ ] 3.6 Extend `src/schemas/options.test.ts` to cover the three new fields
- [ ] 3.7 Extend `src/plugin/plugin.test.ts` to cover dispatcher registration + cleanup
- [ ] 3.8 Extend `src/error-codes/error-codes.test.ts` to pin reachability of the four new codes
- [ ] 3.9 Extend `src/otel/instruments.test.ts` to pin the two new counters
- [ ] 3.10 Extend `src/api-plugin-notifications.spec-conformance.test.ts` to pin every new public export
- [ ] 3.11 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 updated with a `## Dispatcher` section linking the new modules
## 5. Pre-archive verification (the 5-gate triple)
- [ ] 5.1 `bunx biome check src/` — Biome 0 errors from the package folder
- [ ] 5.2 `bunx turbo lint typecheck test --filter=@suaveplan/api-plugin-notifications` — green
- [ ] 5.3 `bunx turbo test:coverage --filter=@suaveplan/api-plugin-notifications` — 100/100/100/100 istanbul
- [ ] 5.4 `bun scripts/openspec-conformance.ts @suaveplan/api-plugin-notifications` — exit 0
- [ ] 5.5 `bunx turbo build --filter=@suaveplan/api-plugin-notifications` — green
## 6. Pre-archive 9-row checklist (AGENTS.md §13)
- [ ] 6.1 Generics threaded; `expectTypeOf` assertions on every literal-type claim
- [ ] 6.2 Zod schemas wired at every declared boundary (DispatchInput, options extension)
- [ ] 6.3 Every error code in `error-codes.ts` thrown by at least one production path (incl. the four new codes)
- [ ] 6.4 Strict-mode behaviors tested both on and off where applicable
- [ ] 6.5 OTel instruments emitted from production paths and asserted with a real in-memory `MeterProvider`
- [ ] 6.6 Lifecycle dedup tested (idempotency adapter exercised)
- [ ] 6.7 No banned patterns — no `vi.mock`, no `export *` in feature barrels, no `// biome-ignore`, test files only import from `@suaveplan/testing/runner`
- [ ] 6.8 Sibling `.md` ≥200 words for every implementation file
- [ ] 6.9 No retroactive tick — every box above reflects work done in this change
## 7. Archive
- [ ] 7.1 Fold `## ADDED` + `## MODIFIED` Requirements into `openspec/specs/api-plugin-notifications/spec.md`
- [ ] 7.2 Move `openspec/changes/wire-notification-channels/` → `openspec/archive/2026-05-19-wire-notification-channels/`