update llm tool

requirements.txt

@@ -42,10 +42,52 @@ jsonschema==4.20.0
 jupyter_client==8.6.0
 jupyter_core==5.7.1
 
+# ——— LangChain 系列（锁定兼容 Python 3.10 的版本） ———
 langchain==0.1.19
 langchain-core==0.1.51
 langchain-community==0.0.35
 langchain-google-genai==0.0.9
 langchain-groq==0.3.2
+langchain-openai==0.1.6
+langchain-tavily==0.0.3
 
+langgraph==0.0.47
+langgraph-checkpoint==2.0.26
+langgraph-sdk==0.1.70
+langsmith==0.1.42
+
+markdown-it-py==3.0.0
+MarkupSafe==2.1.5
+nest-asyncio==1.6.0
+numpy==1.26.4
+openai==1.25.2
+orjson==3.9.15
+packaging==24.0
+pandas==2.2.2
+protobuf==3.20.3
+pydantic==2.6.4
+pydantic-settings==2.2.1
+pydantic_core==2.16.3
+python-dateutil==2.9.0.post0
 python-dotenv==1.0.1
+python-multipart==0.0.9
+PyYAML==6.0.1
+referencing==0.35.1
+regex==2023.12.25
+requests==2.31.0
+requests-oauthlib==2.0.0
+scikit-learn==1.4.2
+sentence-transformers==2.6.1
+setuptools==68.2.2
+starlette==0.37.2
+tenacity==8.2.3
+tiktoken==0.6.0
+tokenizers==0.15.1
+torch==2.2.2
+transformers==4.40.2
+typing-inspect==0.9.0
+typing_extensions==4.11.0
+tzdata==2024.1
+uvicorn==0.27.1
+websockets==12.0
+zipp==3.18.1