fix: use customer token for assets and video

public/index.html

@@ -13,7 +13,7 @@
         <h1>AI 短剧数字人生产</h1>
       </div>
       <div class="topbar-actions">
-        <button class="key-change-button hidden" type="button" id="changeVideoKeyButton">更换视频 Key</button>
+        <button class="key-change-button hidden" type="button" id="changeVideoKeyButton">更换客户令牌</button>
         <div class="connection" id="connectionState">正在检查接口配置…</div>
       </div>
     </header>
@@ -268,10 +268,10 @@
     <div class="key-gate hidden" id="videoKeyGate">
       <form class="key-gate-card" id="videoKeyForm">
         <span class="section-kicker">首次使用</span>
-        <h2>输入生视频 Key</h2>
-        <p>该 Key 用于本次客户的视频生成与费用统计，仅保存在当前浏览器。</p>
+        <h2>输入客户令牌</h2>
+        <p>素材库与视频生成共用该令牌，相关费用归属此令牌，仅保存在当前浏览器。</p>
         <label class="field">
-          <span>生视频 Key</span>
+          <span>客户令牌</span>
           <input id="videoKeyInput" type="password" autocomplete="off" spellcheck="false" placeholder="sk-..." required />
         </label>
         <p class="key-gate-error hidden" id="videoKeyError"></p>
@@ -283,6 +283,6 @@
     </div>
 
     <div class="toast hidden" id="toast"></div>
-    <script src="./app.js?v=26"></script>
+    <script src="./app.js?v=27"></script>
   </body>
 </html>