优化 头部便签管理点击区域；

补充注释；

src/components/Header.vue

@@ -5,8 +5,8 @@
       <img class="left-icon" :src="leftIconSource" @click="handleLeftAction" />
 
       <!-- 标题区域 -->
-      <div class="title-container" @click="handleTitlePress">
-        <span class="text">{{ title }}</span>
+      <div class="title-container">
+        <span class="text" @click="handleTitlePress">{{ title }}</span>
         <!-- 文件夹展开图标 -->
         <img v-if="showFolderIcon" class="folder-icon" :src="folderExpanded ? '/assets/icons/drawable-xxhdpi/folder_title_arrow_pressed.png' : '/assets/icons/drawable-xxhdpi/folder_title_arrow_normal.png'" @click.stop="handleFolderToggle" />
       </div>
@@ -118,7 +118,7 @@ const handleLeftAction = () => {
   }
 }
 
-const handleAction = (actionType) => {
+const handleAction = actionType => {
   // 处理右侧操作按钮点击事件
   if (props.onAction) {
     props.onAction(actionType)
@@ -156,7 +156,7 @@ const handleTitlePress = () => {
     cursor: pointer;
   }
   .right-group {
-    gap: .6rem;
+    gap: 0.6rem;
   }
 
   .image_4-placeholder {