style: ruff format 全仓库

行宽 180 下把历史遗留的折行表达式合并，无语义改动。

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

oj/asgi.py

@@ -28,4 +28,3 @@ application = ProtocolTypeRouter(
         "websocket": AuthMiddlewareStack(URLRouter(websocket_urlpatterns)),
     }
 )
-

oj/routing.py

@@ -13,4 +13,3 @@ websocket_urlpatterns = [
     path("ws/config/", ConfigConsumer.as_asgi()),
     path("ws/flowchart/", FlowchartConsumer.as_asgi()),
 ]
-