- Switch from SQLAlchemy sessions to filesystem sessions to avoid race
conditions with multiple gunicorn workers trying to create the sessions
table simultaneously
- Update Alembic env.py to use a minimal Flask app without Flask-Session
to prevent session table creation during migrations
- Add data directory creation to entrypoint.sh for clean container starts
- Configure test environment to use filesystem sessions with temp directory
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>