fix: add ReceiveResultT into Base Session

Author: huangjia2019

src/mcp/client/session.py

@@ -96,11 +96,12 @@ async def _default_logging_callback(
 
 class ClientSession(
     BaseSession[
-        types.ClientRequest,
-        types.ClientNotification,
-        types.ClientResult,
-        types.ServerRequest,
-        types.ServerNotification,
+        types.ClientRequest,           # SendRequestT
+        types.ClientNotification,       # SendNotificationT
+        types.ClientResult,             # SendResultT
+        types.ServerRequest,            # ReceiveRequestT
+        Any,                            # ReceiveResultT，兼容所有服务端返回结果类型
+        types.ServerNotification,       # ReceiveNotificationT
     ]
 ):
     def __init__(

src/mcp/server/session.py

@@ -74,6 +74,7 @@ class ServerSession(
         types.ServerNotification,
         types.ServerResult,
         types.ClientRequest,
+        Any,
         types.ClientNotification,
     ]
 ):