Function upsertPlan

desktop/src/features/agents/ui/agentSessionTranscript.ts:488–540

(
  d: TranscriptDraft,
  id: string,
  title: string,
  text: string,
  timestamp: string,
  ctx: TranscriptItemContext,
  acpSource?: string,
  updateMarkerId?: string,
)

}

function upsertPlan(
  d: TranscriptDraft,
  id: string,
  title: string,
  text: string,
  timestamp: string,
  ctx: TranscriptItemContext,
  acpSource?: string,
  updateMarkerId?: string,
) {
  const existing = d.itemsById.get(id);
  if (existing?.type === "plan") {
    const changed = existing.text !== text;
    replaceItem(d, id, {
      ...existing,
      text,
      channelId: ctx.channelId,
      turnId: ctx.turnId ?? existing.turnId,
      sessionId: ctx.sessionId ?? existing.sessionId,
      acpSource: acpSource ?? existing.acpSource,
    });
    if (changed) {
      pushItem(d, {
        id: updateMarkerId ?? `${id}:update:${timestamp}`,
        type: "plan",
        renderClass: "plan",
        title: "Plan updated",
        text: summarizePlanUpdate(text),
        timestamp,
        isUpdate: true,
        targetId: id,
        channelId: ctx.channelId,
        turnId: ctx.turnId,
        sessionId: ctx.sessionId,
        acpSource,
      });
    }
    return;
  }
  sealOpenMessages(d);
  pushItem(d, {
    id,
    type: "plan",
    renderClass: "plan",
    title,
    text,
    timestamp,
    channelId: ctx.channelId,
    turnId: ctx.turnId,
    sessionId: ctx.sessionId,
    acpSource,
  });
}

function summarizePlanUpdate(text: string) {
  const taskMatches = [...text.matchAll(/\[[ xX]\]/g)];