## Engineering Docs — Task Tracker

All tasks complete. Archive committed 2026-04-02.

### WS1 — Core Knowledge Base (10 documents)

- [x] 1.1 Create `docs/engineering/README.md` — directory index and reading path
- [x] 1.2 Create `docs/engineering/01-overview.md` — company mission, product vision, system purpose, team structure
- [x] 1.3 Create `docs/engineering/02-architecture.md` — component diagram, data flows, deployment topology, technology rationale
- [x] 1.4 Create `docs/engineering/03-tech-stack.md` — full stack with ADRs (Express, PostgreSQL, Redis, TypeScript, OPA, Vault)
- [x] 1.5 Create `docs/engineering/04-codebase-structure.md` — annotated directory map covering all top-level directories and key files
- [x] 1.6 Create `docs/engineering/05-services.md` — deep dives for AgentService, OAuth2Service, CredentialService, AuditService, VaultClient, OPA engine, Web Dashboard, Prometheus/Grafana
- [x] 1.7 Create `docs/engineering/06-walkthroughs.md` — annotated traces for token issuance, agent registration, and credential rotation (with file:line references)
- [x] 1.8 Create `docs/engineering/07-dev-setup.md` — < 30 min onboarding from clone to running local stack
- [x] 1.9 Create `docs/engineering/08-workflow.md` — OpenSpec → Architect → Developer → QA → merge cycle and PR standards
- [x] 1.10 Create `docs/engineering/09-testing.md` — framework, test types, coverage gates, how to run and write tests

### WS2 — Operations and Integration

- [x] 2.1 Create `docs/engineering/10-deployment.md` — Docker build/run, Terraform multi-region, env config, monitoring runbooks
- [x] 2.2 Create `docs/engineering/11-sdk-guide.md` — Node.js, Python, Go, Java SDK integration with installation, auth, operations, error handling

### WS3 — Quality and Review

- [x] 3.1 CTO review — all documents reviewed against PRD standards (calibration, accuracy, completeness)
- [x] 3.2 QA sign-off — cross-link validation, code example verification