- Add Transport class for unified communication layer
- Implement new communicator patterns
- Add VERSIONING.md for version management
- Add crosstest files for Dart/Go integration testing
- Update protocol documentation
- Add new skills and templates for AI-assisted development
- Various bug fixes and improvements to Dart implementation
- Dart: Add explicit Future<void> return type to send() method
- Dart: Improve onDisconnected() logic with proper isAlive handling and heartbeat response
- Go: Introduce baseClient generic base class for shared client logic
- Go: Refactor TcpClient and WsClient to embed baseClient instead of embedding Communicator
- Remove duplicate heartbeat and disconnect handling code across client implementations
- Clean up unused imports (time package)