Refactor AdminPage and remove AdminPanel component: Simplify admin navigation by redirecting to preferences page and eliminating the AdminPanel component, streamlining the admin interface.

components/admin/EventManagement.tsx

@@ -92,9 +92,13 @@ const getStatusLabel = (status: Event["status"]) => {
   }
 };
 
-export default function EventManagement() {
-  const [events, setEvents] = useState<Event[]>([]);
-  const [loading, setLoading] = useState(true);
+interface EventManagementProps {
+  initialEvents: Event[];
+}
+
+export default function EventManagement({ initialEvents }: EventManagementProps) {
+  const [events, setEvents] = useState<Event[]>(initialEvents);
+  const [loading, setLoading] = useState(false);
   const [editingEvent, setEditingEvent] = useState<Event | null>(null);
   const [isCreating, setIsCreating] = useState(false);
   const [saving, setSaving] = useState(false);
@@ -116,10 +120,6 @@ export default function EventManagement() {
     maxPlaces: undefined,
   });
 
-  useEffect(() => {
-    fetchEvents();
-  }, []);
-
   const fetchEvents = async () => {
     try {
       const response = await fetch("/api/admin/events");
@@ -129,8 +129,6 @@ export default function EventManagement() {
       }
     } catch (error) {
       console.error("Error fetching events:", error);
-    } finally {
-      setLoading(false);
     }
   };