67e12b39fe
- Added RpcClient class with subprocess-based RPC communication, thread-safe request/response handling, and 30+ public methods for agent operations. - Defined 65+ public API symbols including protocol types, dataclasses, parser functions, and custom exception types for RPC communication. - Implemented event listener system with on_event, on_ui_request, and on_extension_error callbacks for asynchronous RPC event handling. - Added comprehensive test suite with integration tests for RpcClient and unit tests for protocol parsing functions. - Configured Python package with setuptools, PEP 561 type hints support, and documentation for usage and API reference.