Method unlockHint

4.Stackless Stack/server/storage.ts:387–408

(sessionId: string, challengeId: string, hintId: string)

  }

  async unlockHint(sessionId: string, challengeId: string, hintId: string): Promise<void> {
    const allHints = await this.getHintsByChallenge(challengeId);
    const hint = allHints.find(h => h.id === hintId);
    
    if (!hint) {
      throw new Error("Hint not found for this challenge");
    }
    
    if (hint.challengeId !== challengeId) {
      throw new Error("Hint does not belong to this challenge");
    }
    
    const key = `${sessionId}:${challengeId}`;
    let unlocked = this.unlockedHints.get(key);
    
    if (!unlocked) {
      unlocked = new Set();
      this.unlockedHints.set(key, unlocked);
    }
    
    unlocked.add(hintId);
  }
}

export const storage = new MemStorage();