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/pages/RepresentationsPage.tsx

@@ -38,7 +38,7 @@ export default function RepresentationsPage() {
     queryFn: () => {
       const params = new URLSearchParams({ page: String(page), limit: String(limit) });
       if (search) params.set('search', search);
-      return api.get<PaginatedResponse<Representation>>(`/api/v1/representations?${params}`);
+      return api.get<PaginatedResponse<Representation>>(`/api/v1/admin/representations?${params}`);
     },
   });
 
@@ -79,14 +79,14 @@ export default function RepresentationsPage() {
     {
       key: 'wallet_balance',
       header: 'موجودی کیف‌پول',
-      render: (r) => formatRial(r.wallet_balance),
+      render: (r) => formatRial(r.wallet_balance ?? 0),
     },
-    { key: 'is_active', header: 'وضعیت', render: (r) => <ActiveBadge active={r.is_active} /> },
+    { key: 'is_active', header: 'وضعیت', render: (r) => <ActiveBadge active={r.is_active ?? r.active ?? false} /> },
     { key: 'created_at', header: 'تاریخ ثبت', render: (r) => formatDate(r.created_at) },
   ];
 
-  const items = data?.data?.items ?? [];
-  const total = data?.data?.total ?? 0;
+  const items = data?.data ?? [];
+  const total = data?.meta?.totalRecords ?? 0;
 
   return (
     <div>