feat(data-management): 添加数据集类型判断并控制按行分割功能显示

- 从 dataset.model 中导入 DatasetType 类型定义
- 新增 isTextDataset 变量用于判断当前数据集是否为文本类型
- 将按行分割配置项包裹在条件渲染中，仅在文本数据集时显示
- 保持原有非文本文件禁用逻辑不变

frontend/src/pages/DataManagement/Detail/components/ImportConfiguration.tsx

@@ -1,7 +1,7 @@
 import { Select, Input, Form, Radio, Modal, Button, UploadFile, Switch, Tooltip } from "antd";
 import { InboxOutlined, QuestionCircleOutlined } from "@ant-design/icons";
 import { dataSourceOptions } from "../../dataset.const";
-import { Dataset, DataSource } from "../../dataset.model";
+import { Dataset, DatasetType, DataSource } from "../../dataset.model";
 import { useCallback, useEffect, useMemo, useState } from "react";
 import { queryTasksUsingGet } from "@/pages/DataCollection/collection.apis";
 import { updateDatasetByIdUsingPut } from "../../dataset.api";
@@ -159,6 +159,7 @@ export default function ImportConfiguration({
     if (files.length === 0) return false;
     return files.some((file) => !isTextUploadFile(file));
   }, [importConfig.files]);
+  const isTextDataset = data?.datasetType === DatasetType.TEXT;
 
   // 本地上传文件相关逻辑
 
@@ -363,26 +364,28 @@ export default function ImportConfiguration({
             >
               <Switch />
             </Form.Item>
-            <Form.Item
-              label={
-                <span>
-                  按分行分割{" "}
-                  <Tooltip
-                    title={
-                      hasNonTextFile
-                        ? "已选择非文本文件，无法按行分割"
-                        : "选中后，文本文件的每一行将被分割成独立文件"
-                    }
-                  >
-                    <QuestionCircleOutlined style={{ color: "#999" }} />
-                  </Tooltip>
-                </span>
-              }
-              name="splitByLine"
-              valuePropName="checked"
-            >
-              <Switch disabled={hasNonTextFile} />
-            </Form.Item>
+            {isTextDataset && (
+              <Form.Item
+                label={
+                  <span>
+                    按分行分割{" "}
+                    <Tooltip
+                      title={
+                        hasNonTextFile
+                          ? "已选择非文本文件，无法按行分割"
+                          : "选中后，文本文件的每一行将被分割成独立文件"
+                      }
+                    >
+                      <QuestionCircleOutlined style={{ color: "#999" }} />
+                    </Tooltip>
+                  </span>
+                }
+                name="splitByLine"
+                valuePropName="checked"
+              >
+                <Switch disabled={hasNonTextFile} />
+              </Form.Item>
+            )}
             <Form.Item
               label="上传文件"
               name="files"