users_auth/ ├── models/ # Pydantic-Modelle und SQLAlchemy-Entitäten │ ├── user_models.py # Benutzer-Datenmodelle │ └── auth_models.py # Authentifizierungs-Modelle ├── services/ # Business Logic Layer ...
full-stack-message-flow/ ├── backend/ # Backend FastAPI application │ ├── app/ # Main application package │ │ ├── api/ # API routes and endpoints │ │ ├── config/ # Configuration management │ │ │ ├── ...