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/core/tools/tool_engine.py

@@ -4,7 +4,7 @@ from collections.abc import Generator, Iterable
 from copy import deepcopy
 from datetime import UTC, datetime
 from mimetypes import guess_type
-from typing import Any, Optional, Union, cast
+from typing import Any, Union, cast
 
 from yarl import URL
 
@@ -51,10 +51,10 @@ class ToolEngine:
         message: Message,
         invoke_from: InvokeFrom,
         agent_tool_callback: DifyAgentCallbackHandler,
-        trace_manager: Optional[TraceQueueManager] = None,
-        conversation_id: Optional[str] = None,
-        app_id: Optional[str] = None,
-        message_id: Optional[str] = None,
+        trace_manager: TraceQueueManager | None = None,
+        conversation_id: str | None = None,
+        app_id: str | None = None,
+        message_id: str | None = None,
     ) -> tuple[str, list[str], ToolInvokeMeta]:
         """
         Agent invokes the tool with the given arguments.
@@ -152,10 +152,10 @@ class ToolEngine:
         user_id: str,
         workflow_tool_callback: DifyWorkflowCallbackHandler,
         workflow_call_depth: int,
-        thread_pool_id: Optional[str] = None,
-        conversation_id: Optional[str] = None,
-        app_id: Optional[str] = None,
-        message_id: Optional[str] = None,
+        thread_pool_id: str | None = None,
+        conversation_id: str | None = None,
+        app_id: str | None = None,
+        message_id: str | None = None,
     ) -> Generator[ToolInvokeMessage, None, None]:
         """
         Workflow invokes the tool with the given arguments.
@@ -196,9 +196,9 @@ class ToolEngine:
         tool: Tool,
         tool_parameters: dict,
         user_id: str,
-        conversation_id: Optional[str] = None,
-        app_id: Optional[str] = None,
-        message_id: Optional[str] = None,
+        conversation_id: str | None = None,
+        app_id: str | None = None,
+        message_id: str | None = None,
     ) -> Generator[ToolInvokeMessage | ToolInvokeMeta, None, None]:
         """
         Invoke the tool with the given arguments.