Update app.py

app.py

@@ -323,6 +323,10 @@ python_tool = PythonREPLTool()
 tools.append(Tool(name="python_repl", func=python_tool.run, description="Python 코드를 실행합니다."))
 from langchain import hub
 prompt=hub.pull("hwchase17/structured-chat-agent")
+from langchain_experimental.tools.shell.tool import ShellTool
+shell_tool = ShellTool()
+tools.append(Tool(name="shell_exec", func=shell_tool.run, description="로컬 명령어를 실행합니다."))
+
 # ──────────────────────────────
 # ✅ 파일 도구
 # ──────────────────────────────
@@ -373,12 +377,16 @@ agent=initialize_agent(tools,llm,agent=AgentType.OPENAI_MULTI_FUNCTIONS,verbose=
 # ──────────────────────────────
 def chat(message, history):
     try:
-        response = agent.invoke(message)
+        result = agent.invoke(message)
+        # dict 대응 처리
+        if isinstance(result, dict):
+            response = result.get("output") or result.get("answer") or str(result)
+        else:
+            response = str(result)
     except Exception as e:
         response = f"⚠️ 오류: {e}"
-    history = history + [(message, response)]
-    return history,history
-
+    history.append((message, response))
+    return history, history
 with gr.Blocks(theme=gr.themes.Soft(), title="PIXAL Assistant (LangChain + GitHub LLM)") as demo:
     gr.Markdown("""
     ## 🤖 PIXAL Assistant