- Add new gRPC endpoint for Heartbeat in the Yao service, enabling communication with the sandbox.
- Update Makefile to include a dedicated unit test target for Sandbox V2, ensuring proper testing of new features.
- Enhance CI workflows to incorporate Sandbox V2 tests, allowing for dual-mode testing (local and remote) with Docker.
- Modify .gitignore to exclude specific Docker files while allowing shell scripts for Sandbox V2.
- Update documentation in DESIGN.md to reflect the new architecture and capabilities of the Sandbox V2.
These changes enhance the Yao SDK's functionality, providing improved support for sandbox operations and testing.
- Mark Phase 4 and Phase 5 as complete, indicating successful removal of fixed upstream connections and the introduction of dynamic routing based on request metadata.
- Implement `TokenManager` for handling authentication tokens and update gRPC client methods to support new features.
- Enhance tests for dynamic routing and token management, achieving significant coverage improvements.
- Begin preparations for Phase 6, outlining the structure for OAuth Device Flow and related tasks.
This commit finalizes key gRPC features and sets the stage for upcoming authentication enhancements.
