## engineering-docs-phase6-update — Task Tracker

All tasks complete. Archive committed 2026-04-04.

### WS1 — 05-services.md (9 Phase 3–6 service deep dives)

- [x] 1.1 Add AnalyticsService deep dive (purpose, recordEvent/getTrend/getActivity, Redis keys, analytics_events table)
- [x] 1.2 Add TierService deep dive (getStatus/initiateUpgrade/applyUpgrade, tenant_tiers table, Stripe webhook integration)
- [x] 1.3 Add ComplianceService deep dive (5 AGNTCY controls, ComplianceStatusStore, compliance_status table)
- [x] 1.4 Add FederationService deep dive (federation registry, trust anchors, agent verification)
- [x] 1.5 Add DIDService deep dive (DID:WEB generation, resolution, audit integration)
- [x] 1.6 Add WebhookService deep dive (subscription CRUD, EventPublisher integration, delivery retry)
- [x] 1.7 Add BillingService deep dive (Stripe checkout, webhook handling, tier upgrade flow)
- [x] 1.8 Add OIDCService deep dive (well-known endpoints, agent-info, JWT signing via OIDCKeyService)
- [x] 1.9 Add DelegationService deep dive (A2A delegation chains, scope constraints, trust verification)

### WS2 — 02-architecture.md (component diagram + 3 sequence diagrams)

- [x] 2.1 Update component diagram: add tierMiddleware, Next.js portal, Stripe, OIDC provider
- [x] 2.2 Add Mermaid sequence diagram: Analytics Event Capture
- [x] 2.3 Add Mermaid sequence diagram: Tier Enforcement Middleware Chain
- [x] 2.4 Add Mermaid sequence diagram: A2A Delegation end-to-end

### WS3 — 11-sdk-guide.md (Rust SDK section)

- [x] 3.1 Add Section 6: Rust SDK (sdk-rust/) — Cargo.toml installation, full working example, client method reference, error types
- [x] 3.2 Renumber old Section 6 (Contribution Guide) to Section 7

### WS4 — 09-testing.md (Phase 6 test coverage)

- [x] 4.1 Add AGNTCY Conformance Suite section (4 tests, run command)
- [x] 4.2 Add Tier Enforcement Tests section
- [x] 4.3 Add Analytics Service Tests section
- [x] 4.4 Add Complete Phase 6 Test Matrix

### WS5 — Remaining 5 files

- [x] 5.1 Update `01-overview.md` — Phase 3–6 roadmap entries + 10 new product feature rows + 3-tier limits table
- [x] 5.2 Update `03-tech-stack.md` — 5 new ADRs (Stripe, oidc-provider, Next.js 14, bull/kafkajs, did-resolver)
- [x] 5.3 Update `04-codebase-structure.md` — sdk-rust/, portal/, tests/agntcy-conformance/ added to directory tree
- [x] 5.4 Update `06-walkthroughs.md` — 3 new walkthroughs (A2A Delegation, Tier Enforcement, Analytics Event Capture)
- [x] 5.5 Update `README.md` — 17 services, 5 SDKs, ~4 hours total reading time, 5 new Quick Reference rows

### QA

- [x] 6.1 QA sign-off — 23/23 gates PASS, no defects