- Updated error handling to provide detailed stderr output when a command fails.
- Streamlined working directory and command rendering by combining operations into single lines.
- Simplified the command execution logic by removing unnecessary shell invocations.
- Enhanced working directory validation by directly using the `test` command.
- Improved command parsing with `shlex.split` for better handling of raw commands.
- Added checks to verify the existence of the specified working directory before executing commands.
- Updated command execution logic to conditionally change the working directory if provided.
- Included FIXME comments to address future enhancements for native cwd support in VirtualEnvironment.run_command.
- Introduced Command node type in workflow with associated UI components and translations.
- Enhanced SandboxLayer to manage sandbox attachment for Command nodes during execution.
- Updated various components and constants to integrate Command node functionality across the workflow.
