feat: Dataset pagination; camelCase support in schemas (#22)

implement pagination for dataset mappings.
update response models to support camelCase parameters.

runtime/label-studio-adapter/app/schemas/dataset_mapping.py

@@ -1,8 +1,10 @@
-from pydantic import BaseModel, Field
+from pydantic import Field
 from typing import Optional
 from datetime import datetime
 
-class DatasetMappingBase(BaseModel):
+from .common import BaseResponseModel
+
+class DatasetMappingBase(BaseResponseModel):
     """数据集映射 基础模型"""
     source_dataset_id: str = Field(..., description="源数据集ID")
 
@@ -10,14 +12,14 @@ class DatasetMappingCreateRequest(DatasetMappingBase):
     """数据集映射 创建 请求模型"""
     pass
 
-class DatasetMappingCreateResponse(BaseModel):
+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(BaseModel):
+class DatasetMappingUpdateRequest(BaseResponseModel):
     """数据集映射 更新 请求模型"""
     source_dataset_id: Optional[str] = Field(None, description="源数据集ID")
 
@@ -32,13 +34,14 @@ class DatasetMappingResponse(DatasetMappingBase):
     
     class Config:
         from_attributes = True
+        populate_by_name = True
 
-class SyncDatasetRequest(BaseModel):
+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(BaseModel):
+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")
@@ -46,7 +49,7 @@ class SyncDatasetResponse(BaseModel):
     total_files: int = Field(0, description="总文件数量")
     message: str = Field(..., description="响应消息")
 
-class DeleteDatasetResponse(BaseModel):
+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")