修复第7条需求：确保拖动Panel标题栏能移动Area

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

@@ -195,6 +195,7 @@ const onPanelDragStart = (areaId, event) => {
       x: area.x,
       y: area.y
     }
+    console.log('Panel拖拽开始，移动Area:', areaId)
   }
 }
 
@@ -223,12 +224,16 @@ const onPanelDragMove = (areaId, event) => {
       // 更新位置
       area.x = newLeft
       area.y = newTop
+      
+      // 调试信息
+      console.log('Panel拖拽移动，Area新位置:', { x: newLeft, y: newTop })
     }
   }
 }
 
 // Panel拖拽结束
 const onPanelDragEnd = () => {
+  console.log('Panel拖拽结束')
   panelDragState.value.isDragging = false
   panelDragState.value.currentAreaId = null
 }