Function upsertTextItem

desktop/src/features/agents/ui/agentSessionTranscript.ts:336–388

(
  d: TranscriptDraft,
  id: string,
  type: "thought" | "lifecycle",
  title: string,
  text: string,
  timestamp: string,
  ctx: TranscriptItemContext,
  acpSource?: string,
)

}

function upsertTextItem(
  d: TranscriptDraft,
  id: string,
  type: "thought" | "lifecycle",
  title: string,
  text: string,
  timestamp: string,
  ctx: TranscriptItemContext,
  acpSource?: string,
) {
  const existing = d.itemsById.get(id);
  if (existing && existing.type === type) {
    replaceItem(d, id, {
      ...existing,
      text:
        type === "lifecycle"
          ? joinLifecycleText(existing.text, text)
          : existing.text + text,
      channelId: ctx.channelId,
      turnId: ctx.turnId ?? existing.turnId,
      sessionId: ctx.sessionId ?? existing.sessionId,
      acpSource: acpSource ?? existing.acpSource,
    });
    return;
  }
  sealOpenMessages(d);
  if (type === "thought") {
    pushItem(d, {
      id,
      type: "thought",
      renderClass: "thought",
      title,
      text,
      timestamp,
      channelId: ctx.channelId,
      turnId: ctx.turnId,
      sessionId: ctx.sessionId,
      acpSource,
    });
    return;
  }

  upsertLifecycleItem(
    d,
    id,
    title.toLowerCase().includes("error") ? "error" : "status",
    title,
    text,
    timestamp,
    ctx,
    acpSource,
  );
}

function joinLifecycleText(existing: string, next: string) {
  if (!existing) return next;