memory = []

def update_memory(user_input, response):
    memory.append({"input": user_input, "response": response})
    if len(memory) > 5:
        memory.pop(0)

def summarize_context():
    if not memory:
        return ""
    summary = "\n\n🧩 Контекст последних запросов:\n"
    for i, m in enumerate(memory[-3:], 1):
        summary += f"{i}. {m['input']} → {m['response'][:80]}...\n"
    return summary