feat: Implement item editing capability

src/components/moderation/ItemReviewCard.tsx

@@ -127,6 +127,11 @@ export function ItemReviewCard({ item, onEdit, onStatusChange }: ItemReviewCardP
             <CardTitle className="text-base">
               {item.item_type.replace('_', ' ').toUpperCase()}
             </CardTitle>
+            {item.original_data && (
+              <Badge variant="outline" className="text-xs">
+                Edited
+              </Badge>
+            )}
           </div>
           <div className="flex items-center gap-2">
             <Badge variant={getStatusColor()}>