- Rename package/module from toki_socket to proto_socket in Dart, Kotlin, Python
- Update crosstest implementations to use renamed packages
- Add new proto_socket skill, deprecate add-toki-socket-crosstest-language skill
- Update domain rules for all languages
- Update documentation (README, PORTING_GUIDE, PROTOCOL, VERSIONING)
- 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