更新了部分测试

sync_state_machine/pipeline/copy_data_pipeline.py

@@ -67,7 +67,7 @@ class CopyDataPipeline:
             supported_types = []
             for handler_class in JSONL_HANDLERS:
                 handler = handler_class(self.source_datasource)
-                self.source_datasource.register_handler(handler)
+                self.source_datasource.add_handler(handler)
                 supported_types.append(handler.node_type)
             self._owns_source = True
             self._supported_types = supported_types
@@ -82,7 +82,7 @@ class CopyDataPipeline:
             self.target_datasource = JsonlDataSource(dir_path=Path(target_dir), read_only=False)
             # 自动注册所有 JSONL handlers
             for handler_class in JSONL_HANDLERS:
-                self.target_datasource.register_handler(handler_class(self.target_datasource))
+                self.target_datasource.add_handler(handler_class(self.target_datasource))
             self._owns_target = True
         else:
             raise ValueError("Must provide either target_datasource or target_dir")
@@ -228,7 +228,7 @@ class CopyDataPipeline:
             handler_class = DomainRegistry.get_jsonl_handler(node_type)
             if handler_class:
                 handler = handler_class(datasource)
-                datasource.register_handler(handler)
+                datasource.add_handler(handler)
     
     def _print_summary(self):
         """打印执行摘要"""