fix: batchDelete去掉ElMessageBox.confirm依赖，点了直接执行

frontend/src/views/MapList.vue

@@ -79,13 +79,12 @@ function onSelectionChange(rows: any[]) {
 async function batchDelete() {
   if (selectedIds.value.length === 0) return
   try {
-    await ElMessageBox.confirm(`确定删除选中的 ${selectedIds.value.length} 个地图？`, "批量删除")
-    await mapApi.batchDelete(selectedIds.value)
-    ElMessage.success(`已删除 ${selectedIds.value.length} 个地图`)
+    const r: any = await mapApi.batchDelete(selectedIds.value)
+    ElMessage.success(r?.message || `已删除 ${selectedIds.value.length} 个地图`)
     selectedIds.value = []
     load()
   } catch (e: any) {
-    if (e !== "cancel") ElMessage.error("批量删除失败")
+    ElMessage.error("批量删除失败: " + (e?.response?.data?.detail || e?.message || "未知错误"))
   }
 }