fix(user): align dto with latest payload

src/app/subscription/success/page.tsx

@@ -5,18 +5,18 @@
  * 流程：
  *   1. 用户在支付服务托管页完成结账
  *   2. 支付服务重定向到 `/subscription/success`
- *   3. 这个页面显示 "购买成功" + 调 `getCurrentUser` 刷新 user
+ *   3. 这个页面显示 "购买成功" + 调 VIP 状态接口确认权益
  *   4. 点 "返回订阅页" 跳回 `/subscription`
  *
  * 注意：权益发放由后端支付服务链路异步完成。
- *   此页面轮询几次 getCurrentUser 等待 user 状态完成更新。
+ *   此页面轮询几次 VIP 状态接口等待权益完成更新。
  */
 import { useEffect, useRef, useState } from "react";
 import Link from "next/link";
 import { useRouter } from "next/navigation";
 
 import { MobileShell } from "@/app/_components/core/mobile-shell";
-import { authRepository } from "@/data/repositories/auth_repository";
+import { paymentRepository } from "@/data/repositories/payment_repository";
 import { ROUTES } from "@/router/routes";
 
 export default function SubscriptionSuccessPage() {
@@ -25,7 +25,7 @@ export default function SubscriptionSuccessPage() {
   const [errorMessage, setErrorMessage] = useState<string | null>(null);
   const hasRefreshed = useRef(false);
 
-  // 轮询 getCurrentUser 等待后端权益发放完成
+  // 轮询 VIP 状态接口等待后端权益发放完成
   useEffect(() => {
     if (hasRefreshed.current) return;
     hasRefreshed.current = true;
@@ -33,7 +33,7 @@ export default function SubscriptionSuccessPage() {
     let cancelled = false;
     const tryRefresh = async (attemptsLeft: number) => {
       if (cancelled) return;
-      const r = await authRepository.getCurrentUser();
+      const r = await paymentRepository.getVipStatus();
       if (cancelled) return;
       if (r.success) {
         if (r.data.isVip) {