fix(gateway): 补齐鉴权测试页并保持旧接口兼容

static/test_interface52.html

@@ -103,10 +103,12 @@
   <p class="subtitle">上传正面照，选择性别与发型，查看按中下庭均值定位的设计曲线和生发效果。</p>
   <div class="rule-banner"><strong>目标上庭高度 =（中庭高度 + 下庭高度）÷ 2</strong><br>上传图先扶正9→152，再裁切为高约 3.3333×L、宽 2.5×L，人物比原3L规则缩小约10%；L 是9号点到152号点的像素距离，眉心位置沿用参考图比例。长图会在保留人脸的前提下裁为3:4，其余空间不足时仅扶正。从眉心向上定位，各发型中点对齐同一目标。high、low 已停用，旧字段返回 null。</div>
 
-  <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>