Backend FastAPI Development

Use this skill when working on the Python backend in backend/ (API, import/export pipeline, DB interactions).

When to use

• Editing FastAPI routes under backend/app/api/
• Changing business logic under backend/app/services/
• Updating SQLAlchemy models under backend/app/models/
• Running black / pytest, or diagnosing failing backend tests
• Debugging /healthcheck, job progress, plugin management endpoints

Local dev (outside Docker)

Prereqs:

• Python 3.14+
• A running Postgres (or use docker compose dev stack for DB/Mattermost)