Fix moderation queue sorting

src/hooks/moderation/useModerationQueueManager.ts

@@ -223,7 +223,12 @@ export function useModerationQueueManager(config: ModerationQueueManagerConfig):
         `,
           )
           .order("escalated", { ascending: false })
-          .order("created_at", { ascending: true });
+          .order(
+            sort.config.field === 'created_at' ? 'submitted_at' : 
+            sort.config.field === 'username' ? 'user_id' : 
+            sort.config.field,
+            { ascending: sort.config.direction === 'asc' }
+          );
 
         // Apply tab-based status filtering
         const tab = filters.activeTab;
@@ -452,7 +457,7 @@ export function useModerationQueueManager(config: ModerationQueueManagerConfig):
         setLoadingState("ready");
       }
     },
-    [user, isAdmin, isSuperuser, filters, pagination, profileCache, entityCache, toast],
+    [user, isAdmin, isSuperuser, filters, pagination, sort, profileCache, entityCache, toast],
   );
 
   // Store fetchItems in ref to avoid re-creating visibility listener
@@ -788,6 +793,14 @@ export function useModerationQueueManager(config: ModerationQueueManagerConfig):
     fetchItems(true);
   }, [filters.debouncedEntityFilter, filters.debouncedStatusFilter]);
 
+  // Sort changes trigger refetch
+  useEffect(() => {
+    if (!user || !initialFetchCompleteRef.current || isMountingRef.current) return;
+
+    pagination.reset();
+    fetchItems(true);
+  }, [sort.config.field, sort.config.direction]);
+
   // Pagination changes trigger refetch
   useEffect(() => {
     if (!user || !initialFetchCompleteRef.current || pagination.currentPage === 1) return;