Function startPolling

static/mobile/app.js:635–644

()

  if (extractPoll) { clearInterval(extractPoll); extractPoll = null; }

  const startPolling = () => {
    if (extractPoll) return;
    extractPoll = setInterval(async () => {
      try {
        const r = await fetch(`/api/jobs/${jobId}`, { cache: "no-store" });
        if (!r.ok) throw new Error(String(r.status));
        if (_onExtractState(jobId, await r.json())) { clearInterval(extractPoll); extractPoll = null; }
      } catch { /* keep polling */ }
    }, 2500);
  };

  try {
    const es = new EventSource(`/api/jobs/${jobId}/events`);