v26110905 容器页：复制链接直接打开的页返回回小程序首页；首页广场笔记开容器页；首页回前台重载后回到原位置；容器页不记上次子页面

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

js/gch/v6.js

@@ -8,7 +8,7 @@
   if (!sec) return;
   var l = document.createElement('link'); l.rel = 'stylesheet'; l.href = 'js/gch/v4.css?v=26110464';
   document.head.appendChild(l);
-  var s = document.createElement('script'); s.src = 'js/gch/v4.js?v=26110805';
+  var s = document.createElement('script'); s.src = 'js/gch/v4.js?v=26110905';
   s.onload = function () { if (sec.querySelector('.g4-foot')) merge(); else sec.addEventListener('gc4-ready', merge, { once: true }); };   /* v4 要先拉 feed.js 才渲染 */
   document.body.appendChild(s);
 
@@ -169,7 +169,7 @@
         }, 3000 + Math.random() * 6000);
       })();
     }
-    all.addEventListener('click', function () { location.href = 'guangchang/' + location.search + location.hash; });
+    all.addEventListener('click', function () { var u = 'guangchang/' + location.search + location.hash; if (!(window.MBHost && MBHost.open(u))) location.href = u; });
     paintList();
   }
 })();