single-agent-blockchain-investigator/ │ ├── backend/ │ ├── main.py # FastAPI app entry + lifespan │ ├── constants.py # All enums, type aliases, rule IDs │ ├── exceptions.py # Centralized exception ...
onyx-backend/ ├── db/ │ └── database.py # PostgreSQL DB session & SQLAlchemy models ├── models/ │ └── schemas.py # Pydantic schemas (Request/Response validation) ├── routers/ │ ├── upload.py # File ...