refactor: update permission handling and optimize performance measurement

- Changed permissionMode settings in enhance and generate title routes to improve edit acceptance and default behavior.
- Refactored performance measurement cleanup in the App component to only execute in development mode, preventing unnecessary operations in production.
- Simplified the startServerAndWait function signature for better readability.

apps/ui/src/app.tsx

@@ -18,12 +18,14 @@ export default function App() {
   // Clear accumulated PerformanceMeasure entries to prevent memory leak in dev mode
   // React's internal scheduler creates performance marks/measures that accumulate without cleanup
   useEffect(() => {
-    const clearPerfEntries = () => {
-      performance.clearMarks();
-      performance.clearMeasures();
-    };
-    const interval = setInterval(clearPerfEntries, 5000);
-    return () => clearInterval(interval);
+    if (import.meta.env.DEV) {
+      const clearPerfEntries = () => {
+        performance.clearMarks();
+        performance.clearMeasures();
+      };
+      const interval = setInterval(clearPerfEntries, 5000);
+      return () => clearInterval(interval);
+    }
   }, []);
 
   // Run settings migration on startup (localStorage -> file storage)