Update app.py

app.py

@@ -371,10 +371,51 @@ agent=initialize_agent(tools,llm,agent=AgentType.STRUCTURED_CHAT_ZERO_SHOT_REACT
 #agent = create_structured_chat_agent(llm, tools, prompt)
 #agent= AgentExecutor(agent=agent, tools=tools,memory=mem)
 
+# ... (위의 LLM, tools, agent 설정 부분은 동일)
+
+
+import json
 
 # ──────────────────────────────
-# ✅ Gradio UI
+# ✅ 대화 요약 함수
+# ──────────────────────────────
+def summarize_title(history):
+    """대화 전체를 요약해 제목 생성"""
+    if not history:
+        return "새 대화"
+    text = "\n".join(f"User: {h[0]}\nAI: {h[1]}" for h in history[-3:])
+    try:
+        title = llm._call(f"다음 대화를 한 줄 요약 제목으로 만들어줘:\n{text}")
+        return title.strip().replace("\n", " ")[:50]
+    except Exception:
+        return "요약 실패"
+
+# ──────────────────────────────
+# ✅ 저장된 기록 관리
 # ──────────────────────────────
+def save_conversation(username, history):
+    os.makedirs("user_logs", exist_ok=True)
+    if not history:
+        return
+    title = summarize_title(history)
+    fname = f"user_logs/{username}_{datetime.datetime.now().strftime('%Y%m%d_%H%M%S')}.json"
+    with open(fname, "w", encoding="utf-8") as f:
+        json.dump({"title": title, "history": history}, f, ensure_ascii=False, indent=2)
+
+def list_conversations(username):
+    os.makedirs("user_logs", exist_ok=True)
+    files = [f for f in os.listdir("user_logs") if f.startswith(username)]
+    items = []
+    for f in files:
+        with open(os.path.join("user_logs", f), encoding="utf-8") as jf:
+            data = json.load(jf)
+            items.append((data.get("title", f), f))
+    return items
+
+def load_conversation(file):
+    with open(os.path.join("user_logs", file), encoding="utf-8") as jf:
+        data = json.load(jf)
+        return data["history"]
 def chat(message, history):
     try:
         response = agent.run(message)
@@ -409,21 +450,55 @@ def chat(message, history):
         response = f"⚠️ 오류: {e}"
 
     history = history + [(message, response)]
-    return history, history
+    return history, history,""
+
+# ──────────────────────────────
+# ✅ Gradio UI
+# ──────────────────────────────
+def load_selected(file):
+    return load_conversation(file)
 
 with gr.Blocks(theme=gr.themes.Soft(), title="PIXAL Assistant (LangChain + GitHub LLM)") as demo:
-    gr.Markdown("""
-    ## 🤖 PIXAL Assistant  
-    **LangChain 기반 멀티툴 에이전트**  
-    🧰 DuckDuckGo · Wikipedia · Math · Requests · Python REPL · File · Time
-    """)
-    chatbot = gr.Chatbot(label="PIXAL 대화", height=600)
-    msg = gr.Textbox(label="메시지", placeholder="명령 또는 질문을 입력하세요...")
-    clear = gr.Button("초기화")
+    gr.Markdown("## 🤖 PIXAL Assistant — LangChain 기반 멀티툴 에이전트")
 
-    msg.submit(chat, [msg, chatbot], [chatbot, chatbot])  
-    clear.click(lambda: None, None, chatbot, queue=False)
+    # Hugging Face 로그인
+    login = gr.LoginButton()
 
+    with gr.Row():
+        with gr.Column(scale=2):
+            chatbot = gr.Chatbot(label="PIXAL 대화", height=600)
+            msg = gr.Textbox(label="메시지", placeholder="입력 후 Enter 또는 전송 클릭")
+            send = gr.Button("전송")
+            clear = gr.Button("초기화")
+
+            # hidden state
+            username = gr.State("")
+            msg.submit(chat, [msg, chatbot, username], [chatbot, chatbot, msg])
+            send.click(chat, [msg, chatbot, username], [chatbot, chatbot, msg])
+            clear.click(lambda: None, None, chatbot, queue=False)
+
+        with gr.Column(scale=1):
+            gr.Markdown("### 💾 저장된 대화 기록")
+            convo_files = gr.Dropdown(label="대화 선택", choices=[])
+            refresh_btn = gr.Button("🔄 목록 새로고침")
+            load_btn = gr.Button("불러오기")
+
+            def refresh_list(user):
+                return gr.Dropdown.update(choices=[x[0] for x in list_conversations(user)])
+
+            refresh_btn.click(refresh_list, [username], convo_files)
+            load_btn.click(lambda f: load_conversation(f), [convo_files], chatbot)
+
+    # 로그인 성공 시 사용자명 저장
+    def on_login(user):
+        return user.username, gr.Dropdown.update(choices=[x[0] for x in list_conversations(user.username)])
+
+    login.login(on_login, outputs=[username, convo_files])
 
 if __name__ == "__main__":
-   demo.launch()
+    demo.launch(server_name="0.0.0.0", server_port=7860)
+
+# ──────────────────────────────
+# ✅ Gradio UI
+# ──────────────���───────────────
+