Flask Core Knowledge Full Reference : See advanced.md for Flask-SocketIO WebSocket patterns, authentication, room management, namespaces, and broadcasting from external code. Basic Setup Blueprints Key Extensions | Extension | Purpose | |-----------|---------| | Flask-SQLAlchemy | Database ORM | | Flask-Migrate | Database migrations | | Flask-JWT-Extended | JWT auth | | Flask-CORS | CORS support | | Flask-RESTful | REST APIs | Application Factory Configuration Error Handling Health Checks Testing When NOT to Use This Skill - Django projects - Django provides more batteries-included features -…