feat: 统一管理端弹窗与内容区交互样式

- 收敛管理端公共 Modal 链路，新增表单弹窗与普通内容弹窗包装\n- 迁移 Bot、知识库、插件、工作流、资源、MCP、数据中枢与系统管理页面级弹窗\n- 统一内容区工具栏、列表容器、导航与顶部按钮的视觉密度和交互节奏

easyflow-ui-admin/app/src/views/datacenter/BatchImportModal.vue

@@ -3,15 +3,10 @@ import type { UploadFile } from 'element-plus';
 
 import { onMounted, ref } from 'vue';
 
+import { EasyFlowPanelModal } from '@easyflow/common-ui';
 import { downloadFileFromBlob } from '@easyflow/utils';
 
-import {
-  ElButton,
-  ElDialog,
-  ElMessage,
-  ElMessageBox,
-  ElUpload,
-} from 'element-plus';
+import { ElButton, ElMessage, ElMessageBox, ElUpload } from 'element-plus';
 
 import { api } from '#/api/request';
 import uploadIcon from '#/assets/datacenter/upload.png';
@@ -99,12 +94,13 @@ function handleUpload() {
 </script>
 
 <template>
-  <ElDialog
-    v-model="dialogVisible"
-    draggable
+  <EasyFlowPanelModal
+    v-model:open="dialogVisible"
+    :closable="!btnLoading"
     :title="props.title"
     :before-close="closeDialog"
-    :close-on-click-modal="false"
+    :show-cancel-button="false"
+    :show-confirm-button="false"
   >
     <ElUpload
       :file-list="fileList"
@@ -148,7 +144,7 @@ function handleUpload() {
         </ElButton>
       </div>
     </template>
-  </ElDialog>
+  </EasyFlowPanelModal>
 </template>
 
 <style scoped>