修改TabPage标签布局：使用内部flex容器和justify-between确保标题靠左、关闭按钮靠右显示

AutoRobot/Windows/Robot/Web/src/DockLayout/TabPage.vue

@@ -8,8 +8,8 @@
         :class="['tab-item', { 'active': activeTabIndex === index }]"
         @click="setActiveTab(index)"
       >
+        <div class="flex w-full justify-between items-center">
           <span class="tab-title">{{ panel.title }}</span>
-        <span class="tab-spacer"></span>
           <button 
             class="button-icon p-[2px] rounded hover:opacity-100 opacity-80"
             @click.stop="closeTab(panel.id)"
@@ -21,6 +21,7 @@
             </svg>
           </button>
         </div>
+      </div>
       <div class="tab-placeholder"></div>
     </div>
     <!-- Tab页内容区域 -->
@@ -113,7 +114,7 @@ const closeTab = (tabId) => {
   font-size: 12px;
   user-select: none;
   position: relative;
-  width: fit-content;
+  min-width: 120px;
 }
 
 .tab-title {
@@ -122,12 +123,7 @@ const closeTab = (tabId) => {
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
-  margin-right: 8px;
-}
-
-.tab-spacer {
   flex: 1;
-  min-width: 0;
 }
 
 .tab-item.active {