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Implement monitoring and alert-resolve UI improvements:
- Enhance useAlertGroupActions with robust error handling and breadcrumb logging
- Add loading state visuals to GroupedAlertsPanel and Resolve All button
- Integrate loading indicator (Loader2) for better user feedback during resolves

supabase/migrations/20251111132055_28316757-cf2c-462e-837e-95ca9751e79d.sql

@@ -0,0 +1,38 @@
+-- Add UPDATE policy for rate_limit_alerts to allow moderators to resolve alerts
+CREATE POLICY "Moderators can resolve rate limit alerts"
+ON public.rate_limit_alerts
+FOR UPDATE
+TO authenticated
+USING (
+  EXISTS (
+    SELECT 1 FROM public.user_roles
+    WHERE user_id = auth.uid()
+    AND role IN ('admin', 'moderator', 'superuser')
+  )
+)
+WITH CHECK (
+  -- Only allow updating resolved_at field
+  resolved_at IS NOT NULL
+);
+
+-- Update system_alerts policy to allow moderators to resolve alerts
+DROP POLICY IF EXISTS "Admins can manage system alerts" ON public.system_alerts;
+
+CREATE POLICY "Staff can manage system alerts"
+ON public.system_alerts
+FOR UPDATE
+TO authenticated
+USING (
+  EXISTS (
+    SELECT 1 FROM public.user_roles
+    WHERE user_id = auth.uid()
+    AND role IN ('admin', 'superuser', 'moderator')
+  )
+)
+WITH CHECK (
+  EXISTS (
+    SELECT 1 FROM public.user_roles
+    WHERE user_id = auth.uid()
+    AND role IN ('admin', 'superuser', 'moderator')
+  )
+);