Samir Boulahtit
8776bbdda6
Add comprehensive section on SQLAlchemy fixture best practices: - Explain why db.expunge() is an anti-pattern in test fixtures - Document how test isolation works via the db fixture - Provide examples of correct vs incorrect fixture patterns - Show how to use db.refresh() for fresh data instead of expunge This documents the lessons learned from the fixture refactoring and helps prevent future issues with DetachedInstanceError. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>