预览站不跟 UGC 开关、一直显示广场/测一测（?ugc=0 看关闭效果），正式站照开关（v26110417）

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

js/kit.js

@@ -9,7 +9,7 @@
   if (/[?&]kit=0(?:&|$)/.test(location.search)) return;
   var box = document.getElementById('kit'), sec = document.getElementById('kitHome');
   if (!box || !sec) return;
-  var V = '26110415';
+  var V = '26110417';
   var l = document.createElement('link'); l.rel = 'stylesheet'; l.href = 'js/kit.css?v=' + V; document.head.appendChild(l);
   document.documentElement.classList.add('has-kit');