- Add comprehensive integration test suite for Node.js server
- API endpoint tests for session lifecycle, I/O operations, file system
- WebSocket connection tests for hot reload functionality
- Server lifecycle tests for initialization and shutdown
- Basic binary availability tests for tty-fwd
- Fix Rust code for nix 0.30 API changes
- Update dup2 calls to use OwnedFd instead of raw file descriptors
- Fix read calls to pass file descriptors directly instead of raw fd
- Remove deprecated as_raw_fd() calls where not needed
- Reorganize test structure
- Split tests into unit/ and integration/ directories
- Add separate Vitest configuration for integration tests
- Create test utilities and setup files for both test types
- Add custom test matchers for session validation
- Update test coverage configuration
- Configure separate coverage for unit and integration tests
- Add proper test timeouts for long-running integration tests
- Use fork pool for integration tests to avoid port conflicts
