refactor(vscode-ide-companion): translate Chinese comments to English

- Translate all Chinese comments in TypeScript files to English for better code readability
- Update documentation comments to be in English
- Maintain code functionality while improving internationalization

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

packages/vscode-ide-companion/src/webview/hooks/session/useSessionManagement.ts

@@ -90,7 +90,7 @@ export const useSessionManagement = (vscode: VSCodeAPI) => {
   );
 
   /**
-   * 处理Save session响应
+   * Handle Save session response
    */
   const handleSaveSessionResponse = useCallback(
     (response: { success: boolean; message?: string }) => {