const WELCOME_KEY = 'garbage_welcome_dismissed_at';
const WELCOME_COOLDOWN_MS = 7 * 24 * 60 * 60 * 1000;

const Storage = {
  isWelcomeDismissed() {
    try {
      const dismissedAt = localStorage.getItem(WELCOME_KEY);
      if (!dismissedAt) return false;
      return Date.now() - parseInt(dismissedAt, 10) < WELCOME_COOLDOWN_MS;
    } catch {
      return false;
    }
  },

  dismissWelcome() {
    try {
      localStorage.setItem(WELCOME_KEY, String(Date.now()));
    } catch {
      /* ignore */
    }
  }
};