function envFlag(value, fallback = false) {
  const raw = String(value ?? '').trim().toLowerCase();
  if (!raw) return fallback;
  return ['1', 'true', 'yes', 'on'].includes(raw);
}

export function shouldRequireCheckpointApproval({
  env = process.env,
  pendingCheckpointCount = 0,
  totalCheckpointCount = 1,
} = {}) {
  if (envFlag(env.GOAL_RUN_REQUIRE_APPROVAL, false)) return true;
  return pendingCheckpointCount > 0 && totalCheckpointCount > 1;
}