feat(annotation): 添加文本数据集段落切片功能

- 在前端组件中新增 segmentationEnabled 字段控制切片开关
- 为文本数据集添加段落切片配置选项，默认启用切片功能
- 在后端接口中新增 segmentation_enabled 参数传递给标注项目
- 实现切片逻辑控制，支持文本数据的自动段落分割
- 添加数据集类型判断，仅文本数据集支持切片配置
- 更新标注任务创建和编辑表单中的切片相关字段处理

runtime/datamate-python/app/module/annotation/interface/project.py

@@ -25,6 +25,7 @@ router = APIRouter(
     tags=["annotation/project"]
 )
 logger = get_logger(__name__)
+TEXT_DATASET_TYPE = "TEXT"
 
 @router.get("/{mapping_id}/login")
 async def login_label_studio(
@@ -62,6 +63,12 @@ async def create_mapping(
                 detail=f"Dataset not found in DM service: {request.dataset_id}"
             )
 
+        dataset_type = (
+            getattr(dataset_info, "datasetType", None)
+            or getattr(dataset_info, "dataset_type", None)
+            or ""
+        ).upper()
+
         project_name = request.name or \
                        dataset_info.name or \
                        "A new project from DataMate"
@@ -97,6 +104,8 @@ async def create_mapping(
             project_configuration["label_config"] = label_config
         if project_description:
             project_configuration["description"] = project_description
+        if dataset_type == TEXT_DATASET_TYPE and request.segmentation_enabled is not None:
+            project_configuration["segmentation_enabled"] = bool(request.segmentation_enabled)
 
         labeling_project = LabelingProject(
                 id=str(uuid.uuid4()),  # Generate UUID here