dev-infra

Create a new database migration for PostgreSQL. Covers file naming, SQL patterns, running, and updating dependent code.

Baseline code quality enforcer — naming conventions, import hygiene, type safety, and style rules for a FastAPI + asyncpg + PostgreSQL Python backend.

Database schema reference for the hello-world app's PostgreSQL instance. Use when writing queries, creating migrations, or debugging data issues.

Docker patterns for this project — DooD (Docker-outside-of-Docker), compose conventions, container lifecycle, and dev-box workflow.

Step-by-step checklist for adding a new API endpoint to a FastAPI + asyncpg app. Covers schema, query, route, and verification.

Project file tree and layout conventions. Use when navigating the codebase, finding where files belong, or understanding the project layout.

Test-driven development workflow for FastAPI + asyncpg apps. Write tests first, then implement, then refactor.

Run after completing changes to verify the app builds, tests pass, and the diff is clean before committing.