Polling for acceptance

curl "https://api.osaconnection.com/v1/claims?updated_since=2026-09-28T15:04:42Z&limit=200" \
  -H "Authorization: Bearer $OSA_API_KEY"

const OVERLAP_MS = 60_000; // re-read the last minute on every poll

const since = loadCheckpoint(); // e.g. "2026-09-28T15:05:42Z"; null on the first run
const updatedSince = since ? new Date(Date.parse(since) - OVERLAP_MS).toISOString() : null;
let newest = since;
let cursor = null;
do {
  const params = new URLSearchParams({ limit: "200" });
  if (updatedSince) params.set("updated_since", updatedSince); // first run: read everything
  if (cursor) params.set("cursor", cursor);
  const res = await fetch(`https://api.osaconnection.com/v1/claims?${params}`, {
    headers: { Authorization: `Bearer ${process.env.OSA_API_KEY}` },
  });
  const page = await res.json();
  for (const claim of page.data) {
    if (claim.test && isProduction) continue;
    upsertClaim(claim.id, claim);    // keyed by id: safe to see a claim twice
    if (!newest || Date.parse(claim.updated_at) > Date.parse(newest)) newest = claim.updated_at;
  }
  cursor = page.next_cursor;
} while (cursor);
if (newest) saveCheckpoint(newest);