fix(admin-web): 修复划转记录API响应解析

- apiClient 响应拦截器已解包 response.data
- 修正取值路径为 response.data 而非 response.data.data

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/admin-web/src/services/systemWithdrawalService.ts

@@ -32,9 +32,10 @@ export const systemWithdrawalService = {
    */
   async getOrders(params: SystemWithdrawalQueryParams = {}): Promise<SystemWithdrawalOrderListResponse> {
     const response = await apiClient.get(API_ENDPOINTS.SYSTEM_WITHDRAWAL.ORDERS, { params });
+    // [2026-01-07] 修复：apiClient 响应拦截器已解包 response.data，这里 response 就是 { success, data }
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    const result = (response as any)?.data?.data;
-    // [2026-01-07] 适配后端返回格式：orders -> items, pageSize -> limit
+    const result = (response as any)?.data;
+    // 适配后端返回格式：orders -> items, pageSize -> limit
     if (result) {
       return {
         items: result.orders ?? [],