ai.stream.TurnMeta
Turn metadata as it arrives on the wire. Providers send stop_reason and token counts on different events; each TurnMeta carries what its event had and TurnStream folds the non-null values together, count by count (last write wins).
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class ai.stream.TurnMetaTurn metadata as it arrives on the wire. Providers send stop_reason and token counts on different events; each TurnMeta carries what its event had and TurnStream folds the non-null values together, count by count (last write wins).
Source:<builtin>/ai/ns_stream/stream.bamlbytes 4234–4418