[ide-mode] Close all open diffs when the CLI gets closed (#5792)

packages/cli/src/ui/App.tsx

@@ -122,6 +122,9 @@ const App = ({ config, settings, startupWarnings = [], version }: AppProps) => {
 
   const [idePromptAnswered, setIdePromptAnswered] = useState(false);
   const currentIDE = config.getIdeClient().getCurrentIde();
+  useEffect(() => {
+    registerCleanup(() => config.getIdeClient().disconnect());
+  }, [config]);
   const shouldShowIdePrompt =
     config.getIdeModeFeature() &&
     currentIDE &&