Function computeTranscriptHash

src/node/services/agentStatusService.ts:583–585

* Stable hash of the transcript bytes alone. This is the input the * history-catch-up guard uses to detect "transcript unchanged since the * last look" so a freshly-bumped `observedRecency` can wait one tick for * the corresponding history write to land. Folding `streaming` in here * would make

(transcript: string)

 * change and bypass the guard.
 */
function computeTranscriptHash(transcript: string): string {
  return createHash("sha256").update(transcript).digest("hex");
}

/**
 * Dedup key for generation: combines the transcript hash with the