feat: 完善数据标注导出格式兼容性验证

- 后端：添加 YOLO 格式对 TEXT 数据集的限制验证
- 后端：统一 COCO/YOLO 兼容性校验规则（仅允许图像类或目标检测类数据集）
- 后端：修复 datasetType 字段传递，在任务列表响应中补充 dataset_type
- 前端：在导出对话框中禁用 TEXT 数据集的 COCO/YOLO 选项
- 前端：添加 datasetType 和 labelingType 字段传递
- 前端：对齐前后端 COCO/YOLO 兼容性规则
- 前端：优化提示文案，明确说明格式适用范围

修改文件：
- runtime/datamate-python/app/module/annotation/service/export.py
- runtime/datamate-python/app/module/annotation/service/mapping.py
- runtime/datamate-python/app/module/annotation/schema/mapping.py
- frontend/src/pages/DataAnnotation/Home/ExportAnnotationDialog.tsx
- frontend/src/pages/DataAnnotation/Home/DataAnnotation.tsx
- frontend/src/pages/DataAnnotation/annotation.const.tsx

frontend/src/pages/DataAnnotation/Home/DataAnnotation.tsx

@@ -378,6 +378,8 @@ export default function DataAnnotation() {
                   open={!!exportTask}
                   projectId={exportTask?.id || ""}
                   projectName={exportTask?.name || ""}
+                  datasetType={exportTask?.datasetType}
+                  labelingType={exportTask?.labelingType}
                   onClose={() => setExportTask(null)}
                 />
               </div>

frontend/src/pages/DataAnnotation/Home/ExportAnnotationDialog.tsx

@@ -11,7 +11,7 @@ import {
   message,
   Alert,
 } from "antd";
-import { FileTextOutlined, CheckCircleOutlined } from "@ant-design/icons";
+import { FileTextOutlined, CheckCircleOutlined, InfoCircleOutlined } from "@ant-design/icons";
 import {
   getExportStatsUsingGet,
   downloadAnnotationsUsingGet,
@@ -22,6 +22,8 @@ interface ExportAnnotationDialogProps {
   open: boolean;
   projectId: string;
   projectName: string;
+  datasetType?: string;
+  labelingType?: string;
   onClose: () => void;
 }
 
@@ -57,6 +59,8 @@ export default function ExportAnnotationDialog({
   open,
   projectId,
   projectName,
+  datasetType,
+  labelingType,
   onClose,
 }: ExportAnnotationDialogProps) {
   const [form] = Form.useForm();
@@ -67,6 +71,15 @@ export default function ExportAnnotationDialog({
     annotatedFiles: number;
   } | null>(null);
 
+  const normalizedDatasetType = datasetType?.toUpperCase().replace(/-/g, "_") || "";
+  const normalizedLabelingType = labelingType?.toUpperCase().replace(/-/g, "_") || "";
+  const hasDatasetType = Boolean(normalizedDatasetType);
+  const isTextDataset = normalizedDatasetType === "TEXT";
+  const isDetectionCompatible =
+    normalizedDatasetType === "IMAGE" ||
+    normalizedDatasetType === "OBJECT_DETECTION" ||
+    normalizedLabelingType === "OBJECT_DETECTION";
+
   // 加载导出统计信息
   useEffect(() => {
     if (open && projectId) {
@@ -176,20 +189,46 @@ export default function ExportAnnotationDialog({
             rules={[{ required: true, message: "请选择导出格式" }]}
           >
             <Select
-              options={FORMAT_OPTIONS.map((opt) => ({
-                label: (
-                  <div className="py-1">
-                    <div className="font-medium">{opt.label}</div>
-                    <div className="text-xs text-gray-400">{opt.description}</div>
-                  </div>
-                ),
-                value: opt.value,
-                simpleLabel: opt.label,
-              }))}
+              options={FORMAT_OPTIONS.map((opt) => {
+                const isDetectionFormat = opt.value === "coco" || opt.value === "yolo";
+                const isDisabledForText = isDetectionFormat && isTextDataset;
+                const isDisabledForIncompatibleType =
+                  isDetectionFormat && hasDatasetType && !isTextDataset && !isDetectionCompatible;
+                const isDisabled = isDisabledForText || isDisabledForIncompatibleType;
+                return {
+                  label: (
+                    <div className="py-1 relative">
+                      <div className={`font-medium ${isDisabled ? "text-gray-400" : ""}`}>{opt.label}</div>
+                      <div className={`text-xs ${isDisabled ? "text-gray-300" : "text-gray-400"}`}>
+                        {opt.description}
+                        {isDisabled && (
+                          <span className="block mt-1 text-orange-500">
+                            <InfoCircleOutlined className="mr-1" />
+                            仅适用于图像类或目标检测类数据集
+                          </span>
+                        )}
+                      </div>
+                    </div>
+                  ),
+                  value: opt.value,
+                  simpleLabel: opt.label,
+                  disabled: isDisabled,
+                };
+              })}
               optionLabelProp="simpleLabel"
             />
           </Form.Item>
 
+          {(isTextDataset || (hasDatasetType && !isDetectionCompatible)) && (
+            <Alert
+              type="info"
+              message="导出格式兼容性提示"
+              description="COCO 和 YOLO 格式仅适用于图像类或目标检测类数据集，当前项目建议使用 JSON、JSON Lines 或 CSV 格式导出。"
+              showIcon
+              className="mt-4"
+            />
+          )}
+
           <Form.Item name="onlyAnnotated" valuePropName="checked">
             <Checkbox>仅导出已标注数据</Checkbox>
           </Form.Item>

frontend/src/pages/DataAnnotation/annotation.const.tsx

@@ -23,6 +23,8 @@ type AnnotationTaskPayload = {
   datasetId?: string;
   datasetName?: string;
   dataset_name?: string;
+  datasetType?: string;
+  dataset_type?: string;
   labelingType?: string;
   labeling_type?: string;
   template?: {
@@ -54,6 +56,7 @@ export type AnnotationTaskListItem = {
   description?: string;
   datasetId?: string;
   datasetName?: string;
+  datasetType?: string;
   labelingType?: string;
   totalCount?: number;
   annotatedCount?: number;
@@ -97,6 +100,7 @@ export function mapAnnotationTask(task: AnnotationTaskPayload): AnnotationTaskLi
   const labelingProjId = task?.labelingProjId || task?.labelingProjectId || task?.projId || task?.labeling_project_id || "";
   const segmentationEnabled = task?.segmentationEnabled ?? task?.segmentation_enabled ?? false;
   const inProgressCount = task?.inProgressCount ?? task?.in_progress_count ?? 0;
+  const datasetType = task?.datasetType || task?.dataset_type;
   const labelingType =
     task?.labelingType ||
     task?.labeling_type ||
@@ -119,6 +123,7 @@ export function mapAnnotationTask(task: AnnotationTaskPayload): AnnotationTaskLi
     projId: labelingProjId,
     segmentationEnabled,
     inProgressCount,
+    datasetType,
     labelingType,
     name: task.name,
     description: task.description || "",