update

frontend/src/pages/Mitglieder.tsx

@@ -135,8 +135,13 @@ function Mitglieder() {
     fetchMembers();
   }, [fetchMembers, debouncedSearch]);
 
-  // Also fetch when page/filters change
+  // Also fetch when page/filters change (skip initial mount to avoid double-fetch)
+  const isInitialMount = useRef(true);
   useEffect(() => {
+    if (isInitialMount.current) {
+      isInitialMount.current = false;
+      return;
+    }
     fetchMembers();
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [page, selectedStatus, selectedDienstgrad]);