更新DockLayout组件：清理DockIndicator和相关依赖

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

@@ -3,6 +3,8 @@
       class="vs-area select-none" 
       :class="{ 'is-maximized': isMaximized, 'is-normal': !isMaximized }" 
       :style="areaStyle"
+      @dragover="handleDragOver"
+      @dragleave="handleDragLeave"
     >
       <!-- 调整大小的边框 -->
       <div 
@@ -234,7 +236,8 @@ const props = defineProps({
   showTitleBar: { type: Boolean, default: true },
   // 位置属性，可选
   left: { type: Number, default: undefined },
-  top: { type: Number, default: undefined }
+  top: { type: Number, default: undefined },
+  draggable: { type: Boolean, default: true }
 })
 
 // 本地状态
@@ -333,7 +336,7 @@ const areaStyle = computed(() => {
   return style
 })
 
-const emit = defineEmits(['close', 'update:WindowState', 'update:position'])
+const emit = defineEmits(['close', 'update:WindowState', 'update:position', 'dragover', 'dragleave'])
 
 // 处理Panel的最大化事件
 const onPanelMaximize = (panelId) => {
@@ -347,6 +350,16 @@ const onPanelMaximize = (panelId) => {
   }
 }
 
+// 处理拖拽悬停事件
+const handleDragOver = (event) => {
+  emit('dragover', event, props.id)
+}
+
+// 处理拖拽离开事件
+const handleDragLeave = (event) => {
+  emit('dragleave', event, props.id)
+}
+
 // 拖拽开始
 const onDragStart = (e) => {
   // 最大化状态下不允许拖拽