feat: implement admin API for user and representation management

- Updated UsersPage to fetch users from the new admin endpoint.
- Enhanced user data structure to include 'name' and modified rendering logic.
- Added RepresentationDetailPage for detailed representation management.
- Created AdminApiController to handle user and representation CRUD operations.
- Implemented pagination and search functionality for users and representations.
- Updated user and representation data models to reflect new API structure.

assets/admin/components/ui/StatusBadge.tsx

@@ -49,7 +49,7 @@ const paymentMap: Record<PaymentStatus, { color: string; label: string }> = {
 
 const smsMap: Record<SmsTemplateStatus, { color: string; label: string }> = {
   draft: { color: 'gray', label: 'پیش‌نویس' },
-  pending_approval: { color: 'yellow', label: 'در انتظار تأیید' },
+  pending: { color: 'yellow', label: 'در انتظار تأیید' },
   approved: { color: 'green', label: 'تأیید شده' },
   rejected: { color: 'red', label: 'رد شده' },
 };