- Implemented `fetchGraph` and `exportAllGraphs` methods in `StataMcpClient` for improved graph handling.
- Added `_fileToDataUri` method to convert local files to data URIs for better artifact management.
- Updated `TerminalPanel` to support downloading graph PDFs, canceling runs, and clearing all commands.
- Enhanced UI with new buttons for stopping runs and clearing commands, along with improved styling.
- Refactored artifact handling to streamline graph data processing and error management.
- Removed unused `view-utils.js` file to clean up the codebase.
- Added unit tests for new functionalities in `mcp-client` and `panels` to ensure reliability.

…ndling

- Added @vscode/codicons dependency for UI enhancements.
- Implemented PDF export functionality in downloadGraphAsPdf, ensuring proper handling of base64 and file paths.
- Enhanced cancellation support in MCP client, allowing for graceful cancellation of long-running commands.
- Updated TerminalPanel to handle download status and cancellation events.
- Improved integration tests for graph export and command cancellation.
- Refactored code to ensure better error handling and user feedback during cancellations.

UI