fix: stream Bedrock reasoning content deltas#2062
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@aozherelyeva Could you please review this PR |
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Emit reasoning text deltas from Bedrock Converse streaming responses as
StreamFrame.ReasoningDelta.Previously,
ContentBlockDelta.ReasoningContentchunks were treated as unsupported, so providers/models that stream reasoning through Bedrock Converse dropped those deltas. This change mapsReasoningContentBlockDelta.Textto Koog reasoning stream frames while continuing to skip redacted content and signatures.Also adds a regression test covering Converse streaming reasoning deltas.
I’ve verified this on Bedrock’s minimax.minimax-m2.5 model. After the code changes, the reasoning content is now displayed correctly.