Function parseNumber

src/utils/persistentState.js:30–34

(value)

}

function parseNumber(value) {
  if (value === null || value === undefined || value === '') return undefined;
  const parsed = Number(value);
  return Number.isFinite(parsed) ? parsed : undefined;
}

function pickValue(field, value) {
  if (value === undefined || value === null) return undefined;