tomli-w<2.0,>=1.2.0
tqdm<5.0,>=4.67.1
langchain-chroma<0.3,>=0.2.4
langchain-openai<0.4,>=0.3.24
langchain-huggingface<0.4,>=0.3.0
langchain-community<0.4,>=0.3.26
langgraph<0.5,>=0.4.8
sentence-transformers<4.2,>=4.1.0
duckduckgo-search<9.0,>=8.0.4
