feat: poll for /tmp/regex.txt and process contents

packages/cli/src/ui/App.tsx

@@ -616,6 +616,21 @@ const App = ({ config, settings, startupWarnings = [], version }: AppProps) => {
     [addMessage],
   );
 
+  useEffect(() => {
+    const interval = setInterval(() => {
+      const filePath = '/tmp/regex.txt';
+      if (fs.existsSync(filePath)) {
+        const content = fs.readFileSync(filePath, 'utf-8');
+        if (content.trim().length > 0) {
+          handleFinalSubmit(content);
+        }
+        fs.unlinkSync(filePath);
+      }
+    }, 5000); // Check every 5 seconds
+
+    return () => clearInterval(interval);
+  }, [handleFinalSubmit]);
+
   const handleIdePromptComplete = useCallback(
     (result: IdeIntegrationNudgeResult) => {
       if (result.userSelection === 'yes') {