Two migrations (add_game_id_to_boss_battles and add_naming_scheme_to_genlockes)
shared the same revision ID, causing multiple heads. Gave boss_battles migration
a new unique ID (g8b9c0d1e2f3) and chained it after the naming_scheme migration.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
