Function envNum

packages/engine/src/config.ts:323–328

(key: string, fallback: number)

export function resolveConfig(overrides?: Partial<EngineConfig>): EngineConfig {
  const env = (key: string): string | undefined => process.env[key];
  const envNum = (key: string, fallback: number): number => {
    const raw = env(key);
    if (raw === undefined || raw === "") return fallback;
    const n = Number(raw);
    return Number.isFinite(n) ? n : fallback;
  };
  const envBool = (key: string, fallback: boolean): boolean => {
    const raw = env(key);
    if (raw === undefined) return fallback;