refactor: Reorganize datamate-python (#34)

refactor: Reorganize datamate-python (previously label-studio-adapter) into a DDD style structure.

runtime/datamate-python/app/module/annotation/schema/sync.py

@@ -0,0 +1,19 @@
+from pydantic import Field
+from typing import Optional
+from datetime import datetime
+
+from app.module.shared.schema import BaseResponseModel
+
+
+class SyncDatasetRequest(BaseResponseModel):
+    """同步数据集请求模型"""
+    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"""
+    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")