feat: Implement authentication integration

src/components/moderation/SubmissionReviewManager.tsx

@@ -1,6 +1,7 @@
 import { useState, useEffect } from 'react';
 import { useToast } from '@/hooks/use-toast';
 import { useUserRole } from '@/hooks/useUserRole';
+import { useAuth } from '@/hooks/useAuth';
 import { 
   fetchSubmissionItems, 
   buildDependencyTree, 
@@ -48,6 +49,7 @@ export function SubmissionReviewManager({
   
   const { toast } = useToast();
   const { isAdmin, isSuperuser } = useUserRole();
+  const { user } = useAuth();
   const isMobile = useIsMobile();
   const Container = isMobile ? Sheet : Dialog;
 
@@ -116,10 +118,19 @@ export function SubmissionReviewManager({
   };
 
   const handleApprove = async () => {
+    if (!user?.id) {
+      toast({
+        title: 'Authentication Required',
+        description: 'You must be logged in to approve items',
+        variant: 'destructive',
+      });
+      return;
+    }
+
     setLoading(true);
     try {
       const selectedItems = items.filter(item => selectedItemIds.has(item.id));
-      await approveSubmissionItems(selectedItems, 'current-user-id'); // TODO: Get from auth
+      await approveSubmissionItems(selectedItems, user.id);
       
       toast({
         title: 'Success',
@@ -162,9 +173,18 @@ export function SubmissionReviewManager({
   };
 
   const handleEscalate = async (reason: string) => {
+    if (!user?.id) {
+      toast({
+        title: 'Authentication Required',
+        description: 'You must be logged in to escalate submissions',
+        variant: 'destructive',
+      });
+      return;
+    }
+
     setLoading(true);
     try {
-      await escalateSubmission(submissionId, reason, 'current-user-id'); // TODO: Get from auth
+      await escalateSubmission(submissionId, reason, user.id);
       
       toast({
         title: 'Escalated',