- Pending follow-up migration task is required to materialize new models/columns in PostgreSQL schema.
- End-to-end SQLite  from base revision remains blocked by pre-existing non-SQLite-safe migration logic () outside T2 scope.
- Correction: full SQLite alembic upgrade head from base is still blocked by pre-existing DROP TYPE usage in migration 7c91e4b2af38 (outside T2 scope).