CLAUDE.md Düzenleyici

# Project: My API

## Stack
- Node.js + Express + TypeScript
- PostgreSQL with Prisma ORM
- Jest for testing

## Commands
- `npm run build` — compile TypeScript
- `npm test` — run all tests
- `npm run lint` — check code style

## Conventions
- Use Prisma for all database access
- All endpoints return JSON with `{ data, error }` shape
- Write integration tests for every new endpoint