Function escalate

scripts/recall-verify-report.js:123–125

(current, candidate)

  // RANK is the comparison ordinal: GREEN(0) < YELLOW(1) < RED(2).
  const RANK = { GREEN: 0, YELLOW: 1, RED: 2 };
  function escalate(current, candidate) {
    return RANK[candidate] > RANK[current] ? candidate : current;
  }
  let gate = 'GREEN';
  if (rows.length === 0) gate = 'RED';
  else {