refactor: Refactors workflow node execution handling (#18382)

Signed-off-by: -LAN- <laipz8200@outlook.com>

api/services/workflow_service.py

@@ -11,6 +11,7 @@ from sqlalchemy.orm import Session
 from core.app.apps.advanced_chat.app_config_manager import AdvancedChatAppConfigManager
 from core.app.apps.workflow.app_config_manager import WorkflowAppConfigManager
 from core.model_runtime.utils.encoders import jsonable_encoder
+from core.repository import RepositoryFactory
 from core.variables import Variable
 from core.workflow.entities.node_entities import NodeRunResult
 from core.workflow.errors import WorkflowNodeRunFailedError
@@ -282,8 +283,15 @@ class WorkflowService:
         workflow_node_execution.created_by = account.id
         workflow_node_execution.workflow_id = draft_workflow.id
 
-        db.session.add(workflow_node_execution)
-        db.session.commit()
+        # Use the repository to save the workflow node execution
+        repository = RepositoryFactory.create_workflow_node_execution_repository(
+            params={
+                "tenant_id": app_model.tenant_id,
+                "app_id": app_model.id,
+                "session_factory": db.session.get_bind,
+            }
+        )
+        repository.save(workflow_node_execution)
 
         return workflow_node_execution