---
description: "Project-specific rules"
alwaysApply: true
---

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

Never:
- Never commit secrets
- Don't use var
