resolve issues with new features

frontend/src/pages/Mitglieder.tsx

@@ -73,8 +73,19 @@ function useDebounce<T>(value: T, delay: number): T {
 // ----------------------------------------------------------------
 function Mitglieder() {
   const navigate = useNavigate();
+  const { user } = useAuth();
   const canWrite = useCanWrite();
 
+  // --- redirect non-admin/non-kommando users to their own profile ---
+  useEffect(() => {
+    if (!user) return;
+    const groups: string[] = (user as any)?.groups ?? [];
+    const isAdmin = groups.includes('dashboard_admin') || groups.includes('dashboard_kommando');
+    if (!isAdmin) {
+      navigate(`/mitglieder/${(user as any).id}`, { replace: true });
+    }
+  }, [user, navigate]);
+
   // --- data state ---
   const [members, setMembers] = useState<MemberListItem[]>([]);
   const [total, setTotal] = useState(0);