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Pull request overview
This PR removes a workaround in the .NET declarative workflow Azure AI agent provider that injected an empty user message when no input messages were provided, aligning behavior with the updated SDK capability to run with a conversation id and no new input.
Changes:
- Stop injecting
new ChatMessage(ChatRole.User, string.Empty)whenmessagesisnull. - Invoke the agent with an empty message collection instead (
RunStreamingAsync([] , ...)).
markwallace-microsoft
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Feb 10, 2026
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Motivation and Context
Removing workaround for SDK limitation.
Description
SDK no longers requires an input message when conversation-id is present.
Contribution Checklist