mcp-streamable-http-sess-when-using-streamablehttpsessionmanager-in-statele-1b621a76

THEN Ensure that session termination does not close the write stream until all pending reads are complete, or catch ClosedResourceError when iterating over write_stream_reader to avoid crashing the router. One approach is to restructure the session lifecycle to defer closing the write stream until all message routers have finished reading. Alternatively, handle ClosedResourceError gracefully in the message router by retrying or ignoring termination signals.