- Add new test cases for VNC URL generation and connection in `box_attach_test.go`, ensuring proper functionality of VNC features.
- Update the Docker test image to include VNC desktop components, enhancing the testing environment for graphical applications.
- Modify the entrypoint script to start a virtual framebuffer and VNC server, allowing for remote desktop access during tests.
- Increase the test timeout in the Makefile to accommodate longer-running VNC tests.
These changes improve the testing framework for Sandbox V2 by integrating VNC capabilities, facilitating better testing of graphical applications.
- 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.
