Method get

src/response-cache.ts:169–185

* Get cached response if available and not expired.

(key: string)

   * Get cached response if available and not expired.
   */
  get(key: string): CachedLLMResponse | undefined {
    const entry = this.cache.get(key);
    if (!entry) {
      this.stats.misses++;
      return undefined;
    }

    // Check expiration
    if (Date.now() > entry.expiresAt) {
      this.cache.delete(key);
      this.stats.misses++;
      return undefined;
    }

    this.stats.hits++;
    return entry;
  }

  /**
   * Cache a response with optional custom TTL.