Develop labeling module (#25)

* refactor: remove db table management from LS adapter (mv to scripts later); change adapter to use the same MySQL DB as other modules.

* refactor: Rename LS Adapter module to datamate-python

runtime/datamate-python/app/schemas/dataset_mapping.py

@@ -0,0 +1,56 @@
+from pydantic import Field
+from typing import Optional
+from datetime import datetime
+
+from .common import BaseResponseModel
+
+class DatasetMappingBase(BaseResponseModel):
+    """数据集映射 基础模型"""
+    dataset_id: str = Field(..., description="源数据集ID")
+
+class DatasetMappingCreateRequest(DatasetMappingBase):
+    """数据集映射 创建 请求模型"""
+    pass
+
+class DatasetMappingCreateResponse(BaseResponseModel):
+    """数据集映射 创建 响应模型"""
+    mapping_id: str = Field(..., description="映射UUID")
+    labelling_project_id: str = Field(..., description="Label Studio项目ID")
+    labelling_project_name: str = Field(..., description="Label Studio项目名称")
+    message: str = Field(..., description="响应消息")
+
+class DatasetMappingUpdateRequest(BaseResponseModel):
+    """数据集映射 更新 请求模型"""
+    dataset_id: Optional[str] = Field(None, description="源数据集ID")
+
+class DatasetMappingResponse(DatasetMappingBase):
+    """数据集映射 查询 响应模型"""
+    mapping_id: str = Field(..., description="映射UUID")
+    labelling_project_id: str = Field(..., description="标注项目ID")
+    labelling_project_name: Optional[str] = Field(None, description="标注项目名称")
+    created_at: datetime = Field(..., description="创建时间")
+    last_updated_at: datetime = Field(..., description="最后更新时间")
+    deleted_at: Optional[datetime] = Field(None, description="删除时间")
+    
+    class Config:
+        from_attributes = True
+        populate_by_name = True
+
+class SyncDatasetRequest(BaseResponseModel):
+    """同步数据集请求模型"""
+    mapping_id: str = Field(..., description="映射ID（mapping UUID）")
+    batch_size: int = Field(50, ge=1, le=100, description="批处理大小")
+
+class SyncDatasetResponse(BaseResponseModel):
+    """同步数据集响应模型"""
+    mapping_id: str = Field(..., description="映射UUID")
+    status: str = Field(..., description="同步状态")
+    synced_files: int = Field(..., description="已同步文件数量")
+    total_files: int = Field(0, description="总文件数量")
+    message: str = Field(..., description="响应消息")
+
+class DeleteDatasetResponse(BaseResponseModel):
+    """删除数据集响应模型"""
+    mapping_id: str = Field(..., description="映射UUID")
+    status: str = Field(..., description="删除状态")
+    message: str = Field(..., description="响应消息")