python-dotenv==1.0.1 chainlit==1.0.400 langchain==0.2.8 langchain_community==0.2.7 langchain_core==0.2.20 langchain-openai==0.1.16 langchain_text_splitters==0.2.2 qdrant-client==1.10.1 langchain-qdrant==0.1.2 pymupdf4llm==0.0.9 langgraph==0.1.8