- CRITICAL: Fix migration FK refs player(id) → player(player_id)
- Remove dead is_start flag from pitching groups (no starts column)
- Fix hr → homerun in test make_play helper
- Add explanatory comment to ruff.toml
- Replace print() with logging in seed script
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
JSON definitions and idempotent seed function for the 3 universal
evolution tracks (Batter, Starting Pitcher, Relief Pitcher) with
locked threshold values.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>