# ==== Core LLM stack ====
langchain>=0.2
langchain-openai>=0.1
langgraph>=0.2
openai>=1.0
tiktoken>=0.5

# ==== API client / utils ====
requests>=2.31
python-dotenv>=1.0
pydantic>=2.0

# ==== (可选) 若你仓库里也包含后端/服务 ====
fastapi>=0.110
uvicorn[standard]>=0.30

# ==== Data / Notebook ====
pandas>=2.2
numpy>=1.26
jupyter>=1.0
ipykernel>=6.29
openpyxl
matplotlib