One thought/reasoning narration emitted on RealtimeSessionRuntime.ThoughtNarration$. Distinct from spoken progress narrations: thought summaries are authored by reasoning models (e.g. Gemini 3.8 Live Extended Thinking) and are NOT spoken aloud.
Optional
Correlating call ID if associated with a delegation/turn; otherwise generated or empty.
Whether this emission represents the complete finalized thought turn.
The model's thought / reasoning text.
One thought/reasoning narration emitted on RealtimeSessionRuntime.ThoughtNarration$. Distinct from spoken progress narrations: thought summaries are authored by reasoning models (e.g. Gemini 3.8 Live Extended Thinking) and are NOT spoken aloud.