fix naming in server.py

Author: akash329d

src/mcp/server/fastmcp/server.py

@@ -32,7 +32,7 @@
 from mcp.server.lowlevel.server import LifespanResultT
 from mcp.server.lowlevel.server import Server as MCPServer
 from mcp.server.lowlevel.server import lifespan as default_lifespan
-from mcp.server.message_queue import MessageQueue
+from mcp.server.message_queue import MessageDispatch
 from mcp.server.session import ServerSession, ServerSessionT
 from mcp.server.sse import SseServerTransport
 from mcp.server.stdio import stdio_server
@@ -77,8 +77,8 @@ class Settings(BaseSettings, Generic[LifespanResultT]):
     message_path: str = "/messages/"
 
     # SSE message queue settings
-    message_queue: MessageQueue | None = Field(
-        None, description="Custom message queue instance"
+    message_dispatch: MessageDispatch | None = Field(
+        None, description="Custom message dispatch instance"
     )
 
     # resource settings
@@ -486,15 +486,15 @@ async def run_sse_async(self) -> None:
 
     def sse_app(self) -> Starlette:
         """Return an instance of the SSE server app."""
-        message_queue = self.settings.message_queue
-        if message_queue is None:
-            from mcp.server.message_queue import InMemoryMessageQueue
+        message_dispatch = self.settings.message_dispatch
+        if message_dispatch is None:
+            from mcp.server.message_queue import InMemoryMessageDispatch
 
-            message_queue = InMemoryMessageQueue()
-            logger.info("Using default in-memory message queue")
+            message_dispatch = InMemoryMessageDispatch()
+            logger.info("Using default in-memory message dispatch")
 
         sse = SseServerTransport(
-            self.settings.message_path, message_queue=message_queue
+            self.settings.message_path, message_dispatch=message_dispatch
         )
 
         async def handle_sse(request: Request) -> None: