# Implementation Readiness Checklist

## Repo readiness

- [ ] `CODEX_START.md` exists at repo root.
- [ ] `docs/00-start/START_HERE.md` exists.
- [ ] `docs/20-run-readiness/RUN_READINESS_FINAL.md` exists.
- [ ] `prompts/codex/final/DAY_1_MASTER_PROMPT.md` exists.
- [ ] `scripts/preimplementation_audit.py` runs.
- [ ] Demo fixtures validate.

## Architecture readiness

- [ ] Product identity is fixed.
- [ ] Stack is fixed.
- [ ] Database choice is fixed.
- [ ] CRS/GIS standards are fixed.
- [ ] State machines are fixed.
- [ ] Golden paths are fixed.
- [ ] Forbidden decisions are explicit.

## Build readiness

- [ ] Pass order is known.
- [ ] First vertical slice is known.
- [ ] V1 exclusions are known.
- [ ] Definition of Done is known.
- [ ] Smoke tests are known.
- [ ] Pass report format is known.

## Release readiness target

- [ ] Backend imports.
- [ ] Health endpoint works.
- [ ] Database models exist.
- [ ] Project/Area/Dataset APIs exist.
- [ ] Fixtures can be imported.
- [ ] QA/QC metrics can be computed.
- [ ] GeoJSON can be exported.
- [ ] Minimal UI can show results.