feat: improved MCP timeout (#23546)

api/core/mcp/session/client_session.py

@@ -1,3 +1,4 @@
+import queue
 from datetime import timedelta
 from typing import Any, Protocol
 
@@ -85,8 +86,8 @@ class ClientSession(
 ):
     def __init__(
         self,
-        read_stream,
-        write_stream,
+        read_stream: queue.Queue,
+        write_stream: queue.Queue,
         read_timeout_seconds: timedelta | None = None,
         sampling_callback: SamplingFnT | None = None,
         list_roots_callback: ListRootsFnT | None = None,