# 最小MVP依赖 fastapi==0.104.1 uvicorn[standard]==0.24.0 langchain==0.3.27 langchain-community==0.3.27 langchain-ollama==0.3.7 langgraph==0.6.6 langsmith>=0.1.0 requests==2.31.0 python-dotenv==1.0.0 streamlit==1.29.0 pydantic>=2.7.4