report.js

// One result per message. A reply counts as sent only if WhatsApp returned a message id.
// Items arrive either from "Send WhatsApp Reply" (has_reply) or straight from "Has Reply?" (nothing to send).
return $input.all().map((item, i) => {
  const isApiResponse = !item.json.wa_id; // a WhatsApp API response has no wa_id at the top level
  const x = isApiResponse ? $('Save Turn').itemMatching(i).json : item.json;
  const res = isApiResponse ? item.json : null;
  const id = res?.messages?.[0]?.id ?? null;
  const sendError = x.has_reply && !id
    ? String(res?.error?.message ?? res?.error ?? 'no message id returned (check the WhatsApp credential and the node error in the execution)').slice(0, 300)
    : null;
  return {
    json: {
      wa_id: x.wa_id, message_id: x.message_id, action: x.action, intent: x.intent ?? null,
      reply: x.reply || null, reply_source: x.reply_source, ai_error: x.ai_error,
      sent: Boolean(id), send_error: sendError, whatsapp_message_id: id,
      duplicate: x.duplicate, open_now: x.open_now, handoff: x.handoff, needs_staff: x.needs_staff,
      lead: x.lead, new_lead: x.new_lead, lead_complete: x.lead_complete, awaiting: x.awaiting, via_api: x.via_api,
    },
  };
});