add updated_at to sync workflow api

api/core/workflow/entities/base_node_data_entities.py

@@ -1,7 +1,11 @@
 from abc import ABC
+from typing import Optional
 
 from pydantic import BaseModel
 
 
 class BaseNodeData(ABC, BaseModel):
-    pass
+    type: str
+
+    title: str
+    desc: Optional[str] = None

api/core/workflow/entities/workflow_entities.py

@@ -0,0 +1,16 @@
+from decimal import Decimal
+
+from core.workflow.entities.variable_pool import VariablePool
+from models.workflow import WorkflowNodeExecution, WorkflowRun
+
+
+class WorkflowRunState:
+    workflow_run: WorkflowRun
+    start_at: float
+    variable_pool: VariablePool
+
+    total_tokens: int = 0
+    total_price: Decimal = Decimal(0)
+    currency: str = "USD"
+
+    workflow_node_executions: list[WorkflowNodeExecution] = []