/**
 * Symbolic Guardrails for The Beacon
 * Ensures game logic consistency.
 */
class Guardrails {
  static validateStats(stats) {
    const required = ['hp', 'maxHp', 'mp', 'maxMp', 'level'];
    required.forEach(r => {
      if (!(r in stats)) throw new Error(`Missing stat: ${r}`);
    });
    if (stats.hp > stats.maxHp) return { valid: false, reason: 'HP exceeds MaxHP' };
    return { valid: true };
  }

  static validateDebuff(debuff, stats) {
    if (debuff.type === 'drain' && stats.hp <= 1) {
      return { valid: false, reason: 'Drain debuff on critical HP' };
    }
    return { valid: true };
  }
}

// Test
const playerStats = { hp: 50, maxHp: 100, mp: 20, maxMp: 50, level: 1 };
console.log('Stats check:', Guardrails.validateStats(playerStats));