fastapi~=0.136.3
uvicorn~=0.48.0
langchain~=1.3.2
langchain-openai~=1.2.2
langchain-tavily~=0.2.18
langgraph~=1.2.2
langgraph-checkpoint-sqlite~=3.1.0
pydantic~=2.13.4
langchain-core~=1.4.0
python-dotenv~=1.2.2
langchain-community~=0.4.2
pymysql~=1.2.0