Fix moderation queue issues

src/lib/moderation/realtime.ts

@@ -163,15 +163,40 @@ export function buildModerationItem(
     id: submission.id,
     type: 'content_submission',
     content: submission.content,
-    created_at: submission.created_at,
-    user_id: submission.user_id,
+    
+    // Handle both created_at (from view) and submitted_at (from realtime)
+    created_at: submission.created_at || submission.submitted_at,
+    submitted_at: submission.submitted_at,
+    
+    // Support both user_id and submitter_id
+    user_id: submission.user_id || submission.submitter_id,
+    submitter_id: submission.submitter_id || submission.user_id,
+    
     status: submission.status,
     submission_type: submission.submission_type,
-    user_profile: profile ? {
+    
+    // Use new profile structure from view if available
+    submitter_profile: submission.submitter_profile || (profile ? {
+      user_id: submission.user_id || submission.submitter_id,
       username: profile.username,
       display_name: profile.display_name,
       avatar_url: profile.avatar_url,
-    } : undefined,
+    } : undefined),
+    
+    reviewer_profile: submission.reviewer_profile,
+    assigned_profile: submission.assigned_profile,
+    
+    // Legacy support: create user_profile from submitter_profile
+    user_profile: submission.submitter_profile ? {
+      username: submission.submitter_profile.username,
+      display_name: submission.submitter_profile.display_name,
+      avatar_url: submission.submitter_profile.avatar_url,
+    } : (profile ? {
+      username: profile.username,
+      display_name: profile.display_name,
+      avatar_url: profile.avatar_url,
+    } : undefined),
+    
     entity_name: entityName || (submission.content as SubmissionContent)?.name || 'Unknown',
     park_name: parkName,
     reviewed_at: submission.reviewed_at || undefined,