snapshot method
Current transcript snapshot. Safe to call multiple times.
Implementation
Transcript snapshot() {
final ttft = _firstLLMReplyAt;
final ttlt = _lastLLMReplyAt;
return Transcript(
messages: List.unmodifiable(_messages),
toolCalls: List.unmodifiable(_toolCalls),
reasoningSteps: List.unmodifiable(_reasoningSteps),
events: List.unmodifiable(_events),
metrics: TranscriptMetrics(
nTurns: _nTurns,
nToolCalls: _toolCalls.length,
nTotalTokens: _totalTokens,
timeToFirstToken: ttft?.difference(startedAt),
timeToLastToken: ttlt?.difference(startedAt),
),
);
}