Refactor code structure and remove redundant changes

src-old/components/notifications/NotificationCenter.tsx

@@ -0,0 +1,46 @@
+import { lazy, Suspense } from 'react';
+import { useNovuNotifications } from '@/hooks/useNovuNotifications';
+import { useNovuTheme } from '@/hooks/useNovuTheme';
+import { useNavigate } from 'react-router-dom';
+import { Bell } from 'lucide-react';
+import { Button } from '@/components/ui/button';
+
+// Lazy load Novu Inbox to prevent React instance conflicts
+const Inbox = lazy(() => 
+  import('@novu/react').then(module => ({ default: module.Inbox }))
+);
+
+export function NotificationCenter() {
+  const { applicationIdentifier, subscriberId, isEnabled } = useNovuNotifications();
+  const appearance = useNovuTheme();
+  const navigate = useNavigate();
+
+  if (!isEnabled) {
+    return null;
+  }
+
+  const handleNotificationClick = (notification: { data?: Record<string, unknown> }) => {
+    // Handle navigation based on notification payload
+    const data = notification.data as { url?: string } | undefined;
+    if (data?.url) {
+      navigate(data.url);
+    }
+  };
+
+  return (
+    <Suspense 
+      fallback={
+        <Button variant="ghost" size="icon" className="h-9 w-9" disabled>
+          <Bell className="h-5 w-5" />
+        </Button>
+      }
+    >
+      <Inbox
+        applicationIdentifier={applicationIdentifier}
+        subscriber={subscriberId || ''}
+        appearance={appearance}
+        onNotificationClick={handleNotificationClick}
+      />
+    </Suspense>
+  );
+}