fix(gateway): 补齐鉴权测试页并保持旧接口兼容

static/test_interface72.html

@@ -32,10 +32,12 @@
 <main>
   <h1>72 号接口 · B 端五个关键点</h1>
   <p class="note">上传正面照，查看扶正裁切后的六个白点、四条虚线和厘米标注。</p>
-  <form id="client-auth" style="display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:12px 0">
+  <form id="client-auth" method="post" action="/api/v1/auth/login" style="display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:12px 0">
     <label>用户名 <input name="username" autocomplete="username" required></label>
     <label>密码 <input name="password" type="password" autocomplete="current-password" required></label>
     <button type="submit">登录</button>
+    <button id="client-auth-check" type="button">测试鉴权</button>
+    <button id="client-auth-refresh" type="button" disabled>刷新令牌</button>
     <span id="client-auth-status" role="status">登录后可调用接口。</span>
   </form>
   <script src="/static/client_auth.js" defer></script>