Address feedback.

Author: eiriktsarpalis

src/ModelContextProtocol.Core/Server/SseResponseStreamTransport.cs

@@ -66,6 +66,7 @@ public async ValueTask DisposeAsync()
     public async Task SendMessageAsync(JsonRpcMessage message, CancellationToken cancellationToken = default)
     {
         Throw.IfNull(message);
+        // If the underlying writer has been disposed, just drop the message.
         await _sseWriter.SendMessageAsync(message, cancellationToken).ConfigureAwait(false);
     }
 

src/ModelContextProtocol.Core/Server/SseWriter.cs

@@ -56,7 +56,7 @@ public async Task<bool> SendMessageAsync(JsonRpcMessage message, CancellationTok
         if (_disposed)
         {
             // Don't throw ObjectDisposedException here; just return false to indicate the message wasn't sent.
-            // The calling tranport can determine what to do in this case (drop the message, or fallback to another transport).
+            // The calling transport can determine what to do in this case (drop the message, or fallback to another transport).
             return false;
         }
 

src/ModelContextProtocol.Core/Server/StreamableHttpServerTransport.cs

@@ -131,6 +131,7 @@ public async Task SendMessageAsync(JsonRpcMessage message, CancellationToken can
             throw new InvalidOperationException("Unsolicited server to client messages are not supported in stateless mode.");
         }
 
+        // If the underlying writer has been disposed, just drop the message.
         await _sseWriter.SendMessageAsync(message, cancellationToken).ConfigureAwait(false);
     }