/** Generate a reasonably-unique id without external deps. */
export function uid(): string {
  if (typeof crypto !== "undefined" && "randomUUID" in crypto) {
    return crypto.randomUUID();
  }
  return `id-${Date.now().toString(36)}-${Math.random().toString(36).slice(2, 10)}`;
}

/** Current epoch milliseconds. */
export function now(): number {
  return Date.now();
}