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openspec/archive/2026-05-11-service-discovery/tasks.md

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+# Tasks — service-discovery
+
+## Phase 1: Scaffold
+
+- [ ] 1.1 Create `packages/network/service-discovery/` with standard package layout.
+- [ ] 1.2 `package.json` at `0.1.0`, `"sideEffects": false`, subpath exports.
+- [ ] 1.3 Test config via `createTestConfig()`.
+- [ ] 1.4 `tests/dep-graph.test.ts`.
+
+## Phase 2: Types + errors
+
+- [ ] 2.1 Port `types.ts` → `src/types/types.ts` + sibling `.md`.
+- [ ] 2.2 `defineCodes("SVC_DISC", [...])`: `DUPLICATE_REGISTRATION`, `QUERY_INVALID`, `REGISTRY_FULL`, `INVALID_OPTIONS`.
+- [ ] 2.3 Zod schemas for `ServiceDescriptor`, `ServiceQuery`, options.
+
+## Phase 3: Core registry
+
+- [ ] 3.1 Port `ServiceRegistry` register/deregister/query.
+- [ ] 3.2 `watch(query)` AsyncIterable with AbortSignal-aware termination.
+- [ ] 3.3 TTL + stale-entry expiry over injectable `Clock`.
+
+## Phase 4: Adapters
+
+- [ ] 4.1 Optional persistent backing via `@suaveplan/storage` `AbstractStorage`.
+- [ ] 4.2 Optional `NetworkBus` integration emitting `service:registered`/`:deregistered`/`:expired`.
+
+## Phase 5: Observability
+
+- [ ] 5.1 Counters (`svc_disc.registrations_total{outcome}`, `svc_disc.queries_total`).
+- [ ] 5.2 Histogram (`svc_disc.query_duration_ms`).
+- [ ] 5.3 Gauge (`svc_disc.active_services`).
+
+## Phase 6: Tests + docs
+
+- [ ] 6.1 Unit tests per feature module via `@suaveplan/testing/runner`.
+- [ ] 6.2 fast-check property tests: TTL monotonicity, query determinism.
+- [ ] 6.3 100/100/100/100 coverage gate.
+- [ ] 6.4 Sibling `.md` doc per `.ts` impl file.
+- [ ] 6.5 Root `README.md` with basic + advanced examples.
+
+## Phase 7: Verification
+
+- [ ] 7.1 `bunx turbo lint typecheck test --filter=@suaveplan/service-discovery` green.
+- [ ] 7.2 `bunx turbo test:coverage --filter=@suaveplan/service-discovery` 100/100/100/100.
+- [ ] 7.3 `bun run docs:check --filter=@suaveplan/service-discovery` green.
+- [ ] 7.4 `MANIFEST.md` regen.
+- [ ] 7.5 `STATUS.md` row flipped.
+
+## Pre-archive checklist
+
+- [ ] Row 1 — Phase 7 green.
+- [ ] Row 2 — Parity 🚫 list empty (or each row justified per AGENTS.md §0a).
+- [ ] Row 3 — `openspec/specs/service-discovery/spec.md` written.
+- [ ] Row 4 — Folder archived.