- Mark all Active requirements as complete (7 items)
- Update Key Decisions outcomes (split by sport, validation reports, full CRUD)
- Update Current State to reflect resolved data quality and complete pipeline
- Update last updated date to 2026-01-10
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Fix data quality issues across MLB, NBA, NHL, NFL with correct game→team→stadium canonical linking.
Creates PROJECT.md with requirements and constraints.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>