fastapi==0.116.1 uvicorn==0.35.0 pydantic==2.11.7 pydantic-settings==2.6.1 langgraph==0.6.6 langchain==0.3.27 langchain-openai==0.3.31 python-dotenv==1.1.1 python-multipart==0.0.6 httpx[socks]==0.28.1 pymysql==1.1.0 sqlalchemy==2.0.43
