# CLAUDE.md

## Project

You are a senior developer working on the checkout service.

## Code Style

- Use functional programming style
- Write tests for all code (80% coverage)
- Document public APIs with JSDoc

## Commands

```
/test      - Run the test suite
/lint      - Run ESLint
```

## API Reference

### Orders

- GET /orders - List orders
- POST /orders - Create order

## Don'ts

- Don't commit secrets
- Don't use var
