Builds a transcript sink bound to one session's conversation. Pass the result as
StartBridgeSessionParams.TranscriptSink. Writes are serialized so turns land in the order they were spoken,
and a failed write is logged without blocking the ones behind it.
Builds a transcript sink bound to one session's conversation. Pass the result as
StartBridgeSessionParams.TranscriptSink. Writes are serialized so turns land in the order they were spoken, and a failed write is logged without blocking the ones behind it.