# v0.4 — M4 Autonomous Build Readiness

This release adds the documentation and fixtures required for longer autonomous Codex implementation passes.

## Highlights
- Clear sprint board.
- Module build contracts.
- Acceptance tests.
- Service IO contracts.
- UI route/state contracts.
- Job lifecycle contract.
- Demo model registry seed.
- Geel demo fixtures.
- Codex prompts per pass.

## Next
M5 should add concrete migration SQL, OpenAPI draft, component prop contracts and test skeletons.