Git 與版本控制

Validate backend development environment and authentication status. Use when (1) new backend developer onboarding, (2) checking required tools (gh CLI, Git, Node, pnpm, Supabase), (3) verifying GitHub auth and repo access, (4) orchestrator auto-runs at work start.

Node.js backend development with TypeScript, Express/Fastify servers, routing, middleware, and database integration. Use when building REST APIs with TypeScript, creating Express/Fastify servers, or implementing microservices architectures.