fix(hub): restore monitor host status panel after missing pref helpers

Co-authored-by: Cursor <cursoragent@cursor.com>

manual_trading_hub/static/index.html

@@ -61,7 +61,7 @@
       <div class="page-head">
         <h1><span class="head-tag">MON</span> 监控区</h1>
       </div>
-      <details id="host-status-panel" class="host-status-panel hidden" aria-label="服务器运行状态">
+      <details id="host-status-panel" class="host-status-panel" aria-label="服务器运行状态">
         <summary class="host-status-summary">
           <span class="host-status-dot ok" id="host-status-dot" aria-hidden="true"></span>
           <span class="host-status-summary-title">服务器状态</span>
@@ -653,6 +653,6 @@
   <script src="/assets/dashboard.js?v=20260612-dash-monitor-count"></script>
   <script src="/assets/ai_review_render.js?v=3"></script>
   <script src="/assets/time_close_ui.js?v=2"></script>
-  <script src="/assets/app.js?v=20260613-host-status-fold-alert"></script>
+  <script src="/assets/app.js?v=20260613-host-status-fix"></script>
 </body>
 </html>