feat: Implement API and cache improvements

src/hooks/useAdminSettings.ts

@@ -4,6 +4,7 @@ import { useAuth } from './useAuth';
 import { useUserRole } from './useUserRole';
 import { useToast } from './use-toast';
 import { useCallback, useMemo } from 'react';
+import { queryKeys } from '@/lib/queryKeys';
 
 interface AdminSetting {
   id: string;
@@ -24,7 +25,7 @@ export function useAdminSettings() {
     isLoading,
     error
   } = useQuery({
-    queryKey: ['admin-settings'],
+    queryKey: queryKeys.admin.settings(),
     queryFn: async () => {
       const { data, error } = await supabase
         .from('admin_settings')
@@ -59,7 +60,7 @@ export function useAdminSettings() {
       if (error) throw error;
     },
     onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: ['admin-settings'] });
+      queryClient.invalidateQueries({ queryKey: queryKeys.admin.settings() });
       toast({
         title: "Setting Updated",
         description: "The setting has been saved successfully.",