feat: Implement Phase 4 Streamlined Enhancements

src/hooks/moderation/useModerationQueueManager.ts

@@ -184,6 +184,18 @@ export function useModerationQueueManager(config: ModerationQueueManagerConfig):
     }
   }, [queueQuery.isLoading, queueQuery.isRefreshing]);
 
+  // Show error toast when query fails
+  useEffect(() => {
+    if (queueQuery.error) {
+      console.error('❌ Queue query error:', queueQuery.error);
+      toast({
+        variant: 'destructive',
+        title: 'Failed to Load Queue',
+        description: queueQuery.error.message || 'An error occurred while fetching the moderation queue.',
+      });
+    }
+  }, [queueQuery.error, toast]);
+
   // Update total count for pagination
   useEffect(() => {
     paginationRef.current.setTotalCount(queueQuery.totalCount);

src/hooks/moderation/useQueueQuery.ts

@@ -8,7 +8,14 @@
 import { useQuery, useQueryClient } from '@tanstack/react-query';
 import { fetchSubmissions, type QueryConfig } from '@/lib/moderation/queries';
 import { supabase } from '@/integrations/supabase/client';
-import type { ModerationItem } from '@/types/moderation';
+import type { 
+  ModerationItem, 
+  EntityFilter, 
+  StatusFilter, 
+  QueueTab, 
+  SortField, 
+  SortDirection 
+} from '@/types/moderation';
 
 /**
  * Configuration for queue query
@@ -24,13 +31,13 @@ export interface UseQueueQueryConfig {
   isSuperuser: boolean;
   
   /** Entity filter */
-  entityFilter: string;
+  entityFilter: EntityFilter;
   
   /** Status filter */
-  statusFilter: string;
+  statusFilter: StatusFilter;
   
   /** Active tab */
-  tab: 'mainQueue' | 'archive';
+  tab: QueueTab;
   
   /** Current page */
   currentPage: number;
@@ -40,8 +47,8 @@ export interface UseQueueQueryConfig {
   
   /** Sort configuration */
   sortConfig: {
-    field: string;
-    direction: 'asc' | 'desc';
+    field: SortField;
+    direction: SortDirection;
   };
   
   /** Whether query is enabled (defaults to true) */
@@ -85,12 +92,12 @@ export function useQueueQuery(config: UseQueueQueryConfig): UseQueueQueryReturn
     userId: config.userId || '',
     isAdmin: config.isAdmin,
     isSuperuser: config.isSuperuser,
-    entityFilter: config.entityFilter as any,
-    statusFilter: config.statusFilter as any,
+    entityFilter: config.entityFilter,
+    statusFilter: config.statusFilter,
     tab: config.tab,
     currentPage: config.currentPage,
     pageSize: config.pageSize,
-    sortConfig: config.sortConfig as any,
+    sortConfig: config.sortConfig,
   };
   
   // Create stable query key (TanStack Query uses this for caching/deduplication)
@@ -113,6 +120,7 @@ export function useQueueQuery(config: UseQueueQueryConfig): UseQueueQueryReturn
       const result = await fetchSubmissions(supabase, queryConfig);
       
       if (result.error) {
+        console.error('❌ [TanStack Query] Error:', result.error);
         throw result.error;
       }
       
@@ -122,6 +130,8 @@ export function useQueueQuery(config: UseQueueQueryConfig): UseQueueQueryReturn
     enabled: config.enabled !== false && !!config.userId,
     staleTime: 30000, // 30 seconds
     gcTime: 5 * 60 * 1000, // 5 minutes
+    retry: 2, // Retry failed requests up to 2 times
+    retryDelay: (attemptIndex) => Math.min(1000 * 2 ** attemptIndex, 30000), // Exponential backoff
   });
   
   // Invalidate helper

src/hooks/moderation/useRealtimeSubscriptions.ts

@@ -47,7 +47,7 @@ export interface RealtimeSubscriptionConfig {
   /** Pause subscriptions when tab is hidden (default: true) */
   pauseWhenHidden?: boolean;
   
-  /** Debounce delay for UPDATE events in milliseconds (default: 1000) */
+  /** Debounce delay for UPDATE events in milliseconds (default: 500) */
   debounceMs?: number;
   
   /** Entity cache for resolving entity names */
@@ -95,7 +95,7 @@ export function useRealtimeSubscriptions(
     onUpdateItem,
     onItemRemoved,
     pauseWhenHidden = true,
-    debounceMs = 1000,
+    debounceMs = 500,
     entityCache,
     profileCache,
     recentlyRemovedIds,
@@ -314,6 +314,7 @@ export function useRealtimeSubscriptions(
    */
   const handleUpdate = useCallback(async (payload: any) => {
     const updatedSubmission = payload.new as any;
+    const oldSubmission = payload.old as any;
     
     console.log('🔄 Realtime UPDATE:', updatedSubmission.id);
     
@@ -335,7 +336,24 @@ export function useRealtimeSubscriptions(
       return;
     }
     
-    // Debounce the update
+    // Skip debounce for status changes (critical updates)
+    const isStatusChange = oldSubmission?.status !== updatedSubmission.status;
+    
+    if (isStatusChange) {
+      console.log('⚡ Status change detected, invalidating immediately');
+      await queryClient.invalidateQueries({ queryKey: ['moderation-queue'] });
+      
+      const matchesEntity = matchesEntityFilter(updatedSubmission, filters.entityFilter);
+      const matchesStatus = matchesStatusFilter(updatedSubmission, filters.statusFilter);
+      const shouldBeInQueue = matchesEntity && matchesStatus;
+      
+      if (!shouldBeInQueue) {
+        onItemRemoved(updatedSubmission.id);
+      }
+      return; // Skip debounced update
+    }
+    
+    // Use debounce for non-critical updates
     debouncedUpdate(updatedSubmission.id, async () => {
       console.log('🔄 Invalidating query due to UPDATE:', updatedSubmission.id);