# Execution Backlog

## Package A: Architecture Freeze

- [x] runtime ADR
- [x] storage ADR
- [x] event stream ADR
- [x] worker transport ADR
- [x] policy evaluation ADR
- [x] event taxonomy ADR
- [x] model fallback ADR
- [x] domain model
- [x] state machines
- [x] storage schema draft
- [x] internal interfaces
- [x] error model
- [x] execution model

## Package B: Core Hardening

- [x] graph scheduler service
- [x] node runner abstraction
- [ ] reviewer contract
- [x] finalizer contract
- [x] resume/cancel use cases
- [x] idempotency policy
- [x] retry policy matrix

## Package C: Persistence

- [x] SQLAlchemy models
- [x] repositories for PostgreSQL/SQLite
- [x] migrations
- [ ] artifact metadata persistence
- [ ] event store queries with pagination

## Package D: Integrations

- [x] model router providers
- [x] MCP transport adapter
- [ ] worker WebSocket gateway
- [ ] heartbeat monitor
- [ ] capability-aware dispatch

## Package E: Delivery

- [ ] typed worker registration schema
- [ ] task event DTO normalization
- [ ] confirmation cards
- [ ] progress cards
- [ ] artifact cards
- [ ] error cards

## Package F: Validation

- [ ] contract tests
- [ ] scenario tests
- [ ] smoke suite
- [ ] static checks in CI