agent-framework

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Roger Barreto de6d0267f2 .NET: fix parallel tool call rendering in AGUI translation layer (#6009 )

Fix three interlocked bugs that prevent parallel tool calls from rendering
correctly in AG-UI protocol clients:

Bug #1: Scope synthetic MessageId fallback to text events only. The shared
streamingMessageId was leaking into ToolCallStartEvent.ParentMessageId,
causing all parallel tool calls to collapse into one FE card.

Bug #2: Make ToolCallResultEvent.MessageId deterministically unique using
result-{CallId} format. MEAI's FunctionInvokingChatClient batches all
results with a shared MessageId, collapsing them in FE reconciliation.

Bug #3: Coalesce consecutive assistant-tool-call messages in AsChatMessages.
Once Bug #1 is fixed, the FE produces separate AGUIAssistantMessage per
tool call. On multi-turn replay these become consecutive assistant messages
without intervening tool results, triggering HTTP 400 from Azure OpenAI.

Remove the now-dead ContainsToolResult helper introduced by PR #5800.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

de6d0267f2 · 2026-05-25 09:31:29 +00:00

History

AGUIChatClientTests.cs

.NET: [BREAKING] Change SerializeSession to be Async (#3879 )

2026-02-12 11:56:42 +00:00

AGUIChatMessageExtensionsTests.cs

.NET: fix parallel tool call rendering in AGUI translation layer (#6009 )

2026-05-25 09:31:29 +00:00

AGUIHttpServiceTests.cs

.NET: Upgrade to .NET 10 (#2128 )

2025-11-22 04:14:15 +00:00

AGUIJsonSerializerContextTests.cs