所有搜索历史分组默认折叠

templates/topic.html

@@ -1046,7 +1046,7 @@
         let html = '';
         let groupIdx = 0;
         for (const [query, items] of Object.entries(groups)) {
-            const isCollapsed = groupIdx > 0; // 最近的搜索展开，旧的折叠
+            const isCollapsed = true; // 所有搜索历史默认折叠
             html += `<div class="mb-3">
                 <div class="d-flex align-items-center gap-2 mb-1" style="cursor:pointer;" onclick="toggleSearchGroup(${groupIdx})">
                     <i class="bi ${isCollapsed ? 'bi-chevron-right' : 'bi-chevron-down'}" id="search-group-icon-${groupIdx}" style="font-size:0.85rem;color:var(--text-muted);"></i>