Approve tool use

The user has approved the tool use.

supabase/migrations/20251106201229_5e92d25c-2e3c-4700-a72a-5136867e6cfd.sql

@@ -0,0 +1,28 @@
+-- Enable RLS on approval_transaction_metrics table
+ALTER TABLE approval_transaction_metrics ENABLE ROW LEVEL SECURITY;
+
+-- Policy: Only moderators and admins can view metrics
+CREATE POLICY "Moderators can view approval metrics"
+ON approval_transaction_metrics
+FOR SELECT
+TO authenticated
+USING (
+  EXISTS (
+    SELECT 1 FROM user_roles
+    WHERE user_roles.user_id = auth.uid()
+    AND user_roles.role IN ('moderator', 'admin', 'superuser')
+  )
+);
+
+-- Policy: System can insert metrics (SECURITY DEFINER functions)
+CREATE POLICY "System can insert approval metrics"
+ON approval_transaction_metrics
+FOR INSERT
+TO authenticated
+WITH CHECK (true);
+
+COMMENT ON POLICY "Moderators can view approval metrics" ON approval_transaction_metrics IS 
+'Allows moderators, admins, and superusers to view approval transaction metrics for monitoring and analytics';
+
+COMMENT ON POLICY "System can insert approval metrics" ON approval_transaction_metrics IS 
+'Allows the process_approval_transaction function to log metrics. The function is SECURITY DEFINER so it runs with elevated privileges';