Two branches diverged from e5c3f9a2b1d6 (tag_groups): - domain_events → generic_containers (g7e5b1c3d4f8) - tickets → page_configs → market_places → page_tracking (c3d4e5f6a7b8) This merge migration joins them into a single head so alembic upgrade head works without specifying a branch. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>