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/moderation/api/api.py

@@ -1,5 +1,3 @@
-from typing import Optional
-
 from pydantic import BaseModel, Field
 from sqlalchemy import select
 
@@ -87,7 +85,7 @@ class ApiModeration(Moderation):
         return result
 
     @staticmethod
-    def _get_api_based_extension(tenant_id: str, api_based_extension_id: str) -> Optional[APIBasedExtension]:
+    def _get_api_based_extension(tenant_id: str, api_based_extension_id: str) -> APIBasedExtension | None:
         stmt = select(APIBasedExtension).where(
             APIBasedExtension.tenant_id == tenant_id, APIBasedExtension.id == api_based_extension_id
         )

api/core/moderation/base.py

@@ -1,6 +1,5 @@
 from abc import ABC, abstractmethod
 from enum import StrEnum, auto
-from typing import Optional
 
 from pydantic import BaseModel, Field
 
@@ -34,7 +33,7 @@ class Moderation(Extensible, ABC):
 
     module: ExtensionModule = ExtensionModule.MODERATION
 
-    def __init__(self, app_id: str, tenant_id: str, config: Optional[dict] = None):
+    def __init__(self, app_id: str, tenant_id: str, config: dict | None = None):
         super().__init__(tenant_id, config)
         self.app_id = app_id
 

api/core/moderation/input_moderation.py

@@ -1,6 +1,6 @@
 import logging
 from collections.abc import Mapping
-from typing import Any, Optional
+from typing import Any
 
 from core.app.app_config.entities import AppConfig
 from core.moderation.base import ModerationAction, ModerationError
@@ -21,7 +21,7 @@ class InputModeration:
         inputs: Mapping[str, Any],
         query: str,
         message_id: str,
-        trace_manager: Optional[TraceQueueManager] = None,
+        trace_manager: TraceQueueManager | None = None,
     ) -> tuple[bool, Mapping[str, Any], str]:
         """
         Process sensitive_word_avoidance.

api/core/moderation/output_moderation.py

@@ -1,7 +1,7 @@
 import logging
 import threading
 import time
-from typing import Any, Optional
+from typing import Any
 
 from flask import Flask, current_app
 from pydantic import BaseModel, ConfigDict
@@ -27,11 +27,11 @@ class OutputModeration(BaseModel):
     rule: ModerationRule
     queue_manager: AppQueueManager
 
-    thread: Optional[threading.Thread] = None
+    thread: threading.Thread | None = None
     thread_running: bool = True
     buffer: str = ""
     is_final_chunk: bool = False
-    final_output: Optional[str] = None
+    final_output: str | None = None
     model_config = ConfigDict(arbitrary_types_allowed=True)
 
     def should_direct_output(self) -> bool:
@@ -127,7 +127,7 @@ class OutputModeration(BaseModel):
                 if result.action == ModerationAction.DIRECT_OUTPUT:
                     break
 
-    def moderation(self, tenant_id: str, app_id: str, moderation_buffer: str) -> Optional[ModerationOutputsResult]:
+    def moderation(self, tenant_id: str, app_id: str, moderation_buffer: str) -> ModerationOutputsResult | None:
         try:
             moderation_factory = ModerationFactory(
                 name=self.rule.type, app_id=app_id, tenant_id=tenant_id, config=self.rule.config