langchain==0.3.27 langgraph==0.6.6 langsmith==0.4.23 openai>=1.68.2,<2.0.0 fastapi>=0.115.5,<1.0.0 uvicorn>=0.29.0,<1.0.0 python-dotenv>=1.0.0,<2.0.0 langgraph-cli[inmem]==0.3.3 langchain-openai>=0.0.1