Refactor admin settings access

src/hooks/useAdminSettings.ts

@@ -1,6 +1,7 @@
 import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
 import { supabase } from '@/integrations/supabase/client';
 import { useAuth } from './useAuth';
+import { useUserRole } from './useUserRole';
 import { useToast } from './use-toast';
 
 interface AdminSetting {
@@ -13,6 +14,7 @@ interface AdminSetting {
 
 export function useAdminSettings() {
   const { user } = useAuth();
+  const { isSuperuser } = useUserRole();
   const { toast } = useToast();
   const queryClient = useQueryClient();
 
@@ -31,7 +33,7 @@ export function useAdminSettings() {
       if (error) throw error;
       return data as AdminSetting[];
     },
-    enabled: !!user
+    enabled: !!user && isSuperuser()
   });
 
   const updateSettingMutation = useMutation({