Function _writeLedger

src/atp/autoBuyer.js:132–143

(ledger)

}

function _writeLedger(ledger) {
  try {
    const dir = getMemoryDir();
    if (!fs.existsSync(dir)) fs.mkdirSync(dir, { recursive: true });
    const tmp = _ledgerPath() + '.tmp';
    fs.writeFileSync(tmp, JSON.stringify(ledger, null, 2));
    fs.renameSync(tmp, _ledgerPath());
  } catch (_) {
    // Non-fatal: ledger persistence failure means next process restart
    // re-reads previous ledger (so existing caps still apply).
  }
}

function _rotateIfNewDay(ledger, now) {
  const today = _todayKey(now);