CONTRIBUTING.md

🤝 Contributing

Requirements: Node.js 18+ (20 recommended) and npm.

Commands:

• Install/build: npm install && npm run build
• Test: npm test (watch: npm run test:watch, coverage: npm run test:coverage)
• Lint/format: npm run lint / npm run lint:fix and npm run format

Please run the test suite and keep README examples accurate before opening PRs.