Fix notification view security

supabase/migrations/20251103002454_04434de4-ee0a-4106-955b-93fb7bb28b86.sql

@@ -0,0 +1,20 @@
+-- Fix: Remove SECURITY DEFINER from notification_health_dashboard view
+
+-- Drop and recreate view without SECURITY DEFINER
+DROP VIEW IF EXISTS public.notification_health_dashboard;
+
+CREATE VIEW public.notification_health_dashboard 
+WITH (security_invoker = true) AS
+SELECT
+  date,
+  total_attempts,
+  duplicates_prevented,
+  prevention_rate,
+  CASE 
+    WHEN prevention_rate > 10 THEN 'critical'
+    WHEN prevention_rate > 5 THEN 'warning'
+    ELSE 'healthy'
+  END as health_status
+FROM public.notification_duplicate_stats
+ORDER BY date DESC
+LIMIT 30;