function createSrSessionPreparation({ ensureCurrentUser, allowsCrmActivities, sendRequest, reportProgress, appendLog, onReady = async () => {} }) {
  let pending = null;
  function ensure() {
    if (pending) return pending;
    pending = (async () => {
      try {
        await ensureCurrentUser();
        if (!allowsCrmActivities()) return;
        reportProgress("running");
        const result = await sendRequest();
        appendLog(result?.debugRequests || []);
        if (!result?.ok) throw new Error(result?.error || "Session initialization failed.");
        reportProgress("complete");
        await onReady();
      } catch {
        reportProgress("error");
      }
    })();
    return pending;
  }
  return { ensure };
}