Remove the level input from the boss defeat modal since the app doesn't track levels elsewhere. Team selection is now just checkboxes without requiring level entry. - Remove level input UI from BossDefeatModal.tsx - Add alembic migration to make boss_result_team.level nullable - Update model and schemas to make level optional (defaults to null) - Conditionally render level in boss result display Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Generic single-database configuration.