cleanup: 移除所有调试代码（DebugPanel/红横幅/URL_CHECK），登录页精简为仅 uid/openid/phone 流程

frontend/index.html

@@ -9,23 +9,6 @@
     </head>
 
     <body>
-      <script>window.__INITIAL_URL__ = document.URL;</script>
-      <!-- 🐞 原始 URL 验证 -->
-      <div id="url-check" style="display:none" data-url=""></div>
-      <script>
-        var u = document.URL;
-        document.getElementById('url-check').setAttribute('data-url', u);
-        console.log('[URL_CHECK] document.URL:', u);
-        console.log('[URL_CHECK] search:', location.search);
-        console.log('[URL_CHECK] has_token:', location.search.includes('token='));
-        // 如果没 token，在页面顶部写一行红色提示
-        if (!location.search.includes('token=')) {
-          var d = document.createElement('div');
-          d.style.cssText = 'position:fixed;top:0;left:0;right:0;z-index:99999;background:red;color:white;padding:10px;font-size:14px;text-align:center';
-          d.textContent = '⚠️ URL无token: search=[' + location.search + '] url=' + u.substring(0, 80);
-          document.body.prepend(d);
-        }
-      </script>
       <div id="root"></div>
       <script type="module" src="/src/main.tsx"></script>
     </body>