chore: add ast-grep rule to convert Optional[T] to T | None (#25560)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/services/workflow_service.py

@@ -2,7 +2,7 @@ import json
 import time
 import uuid
 from collections.abc import Callable, Generator, Mapping, Sequence
-from typing import Any, Optional, cast
+from typing import Any, cast
 from uuid import uuid4
 
 from sqlalchemy import exists, select
@@ -88,7 +88,7 @@ class WorkflowService:
         )
         return db.session.execute(stmt).scalar_one()
 
-    def get_draft_workflow(self, app_model: App, workflow_id: Optional[str] = None) -> Optional[Workflow]:
+    def get_draft_workflow(self, app_model: App, workflow_id: str | None = None) -> Workflow | None:
         """
         Get draft workflow
         """
@@ -108,7 +108,7 @@ class WorkflowService:
         # return draft workflow
         return workflow
 
-    def get_published_workflow_by_id(self, app_model: App, workflow_id: str) -> Optional[Workflow]:
+    def get_published_workflow_by_id(self, app_model: App, workflow_id: str) -> Workflow | None:
         """
         fetch published workflow by workflow_id
         """
@@ -130,7 +130,7 @@ class WorkflowService:
             )
         return workflow
 
-    def get_published_workflow(self, app_model: App) -> Optional[Workflow]:
+    def get_published_workflow(self, app_model: App) -> Workflow | None:
         """
         Get published workflow
         """
@@ -195,7 +195,7 @@ class WorkflowService:
         app_model: App,
         graph: dict,
         features: dict,
-        unique_hash: Optional[str],
+        unique_hash: str | None,
         account: Account,
         environment_variables: Sequence[Variable],
         conversation_variables: Sequence[Variable],
@@ -561,7 +561,7 @@ class WorkflowService:
 
         return default_block_configs
 
-    def get_default_block_config(self, node_type: str, filters: Optional[dict] = None) -> Optional[dict]:
+    def get_default_block_config(self, node_type: str, filters: dict | None = None) -> dict | None:
         """
         Get default config of node.
         :param node_type: node type
@@ -857,7 +857,7 @@ class WorkflowService:
 
     def update_workflow(
         self, *, session: Session, workflow_id: str, tenant_id: str, account_id: str, data: dict
-    ) -> Optional[Workflow]:
+    ) -> Workflow | None:
         """
         Update workflow attributes