Implement realtime queue fix

supabase/migrations/20251009135214_0e2de440-26a1-48e2-98c5-6cf792790f65.sql

@@ -0,0 +1,15 @@
+-- Enable full row data for realtime updates on content_submissions
+ALTER TABLE public.content_submissions REPLICA IDENTITY FULL;
+
+-- Add table to realtime publication
+ALTER PUBLICATION supabase_realtime ADD TABLE public.content_submissions;
+
+-- Add admin setting for realtime queue toggle
+INSERT INTO public.admin_settings (setting_key, setting_value, category, description)
+VALUES (
+  'system.use_realtime_queue',
+  '"true"'::jsonb,
+  'system',
+  'Use realtime subscriptions for moderation queue updates instead of polling'
+)
+ON CONFLICT (setting_key) DO NOTHING;