langchain>=0.3
langgraph>=0.2
duckdb>=1.0
python-dotenv>=1.0
pydantic>=2.0
streamlit>=1.35
pandas>=2.0
typing_extensions>=4.6

[anthropic]
langchain-anthropic>=0.2

[google]
langchain-google-genai>=2.0

[openai]
langchain-openai>=0.2
