continue loading improve

src/App.tsx

@@ -26,14 +26,15 @@ const App: Component = () => {
 
     onCleanup(() => removeListener());
 
-    // Background preload of other views
-    setTimeout(() => {
+    // Background preload of other views when idle
+    const idleCallback = (window as any).requestIdleCallback || ((cb: any) => setTimeout(cb, 1000));
+    idleCallback(() => {
       // CriticalView is now static
       import('./views/UrgencyView');
       import('./views/PriorityView');
       import('./views/MatrixView');
       import('./views/SettingsView');
-    }, 100);
+    });
   });
 
   return (