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.NET: fix: avoid AGUI tool result message id collisions (#5800)

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* fix: avoid AGUI tool result message id collisions

* fix: split mixed tool result message ids
This commit is contained in:
Yufeng He
2026-05-15 21:52:25 +00:00
committed by GitHub
parent da308f5f1e
commit a60e541c9a
2 changed files with 103 additions and 2 deletions
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dotnet/src/Microsoft.Agents.AI.AGUI/Shared/ChatResponseUpdateAGUIExtensions.cs
+16 -2
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@@ -458,8 +458,9 @@ internal static class ChatResponseUpdateAGUIExtensions
// This ensures all AGUI events have a valid messageId regardless of agent type.
if (string.IsNullOrWhiteSpace(chatResponse.MessageId))
{
streamingMessageId ??= Guid.NewGuid().ToString("N");
chatResponse.MessageId = streamingMessageId;
chatResponse.MessageId = ContainsToolResult(chatResponse)
? Guid.NewGuid().ToString("N")
: (streamingMessageId ??= Guid.NewGuid().ToString("N"));
}
if (chatResponse is { Contents.Count: > 0 } &&
@@ -725,4 +726,17 @@ internal static class ChatResponseUpdateAGUIExtensions
_ => JsonSerializer.Serialize(functionResultContent.Result, options.GetTypeInfo(functionResultContent.Result.GetType())),
};
}
private static bool ContainsToolResult(ChatResponseUpdate chatResponse)
{
foreach (AIContent content in chatResponse.Contents)
{
if (content is FunctionResultContent)
{
return true;
}
}
return false;
}
}