FastAPI Expert Expert guidance for FastAPI - modern, fast Python web framework for building APIs with automatic OpenAPI documentation and type safety. Core Concepts FastAPI Features - Fast performance (Starlette + Pydantic) - Automatic OpenAPI/Swagger docs - Type hints and validation - Async/await support - Dependency injection - OAuth2 and JWT - WebSocket support Key Components - Path operations (routes) - Request/response models (Pydantic) - Dependency injection - Middleware - Background tasks - Testing with TestClient Basic FastAPI Application Dependency Injection Authentication Database I…