feat(subscription): implement feature gating for subscription-based access in admin panel

assets/admin/pages/SmsWalletPage.tsx

@@ -14,6 +14,7 @@ import { formatRial, formatNumber, formatDateTime } from '../lib/utils';
 import Modal from '../components/ui/Modal';
 import Pagination from '../components/ui/Pagination';
 import PageHeader from '../components/ui/PageHeader';
+import FeatureGate from '../components/ui/FeatureGate';
 
 const chargeSchema = z.object({
   amount_rials: z.coerce.number().min(10000, 'حداقل مبلغ ۱۰,۰۰۰ ریال است'),
@@ -22,7 +23,7 @@ type ChargeForm = z.infer<typeof chargeSchema>;
 
 const EMPTY_LOGS: SmsWalletLog[] = [];
 
-export default function SmsWalletPage() {
+function SmsWalletPageInner() {
   const qc = useQueryClient();
   const [chargeOpen, setChargeOpen] = useState(false);
   const [gateway, setGateway] = useState<'mellat' | 'sep'>('mellat');
@@ -433,3 +434,11 @@ export default function SmsWalletPage() {
     </>
   );
 }
+
+export default function SmsWalletPage() {
+  return (
+    <FeatureGate feature="sms_panel">
+      <SmsWalletPageInner />
+    </FeatureGate>
+  );
+}