openai==1.55.3 langchain==0.2.7 langchain-community==0.2.7 langchain-openai==0.1.14 langgraph==0.2.7 chromadb==0.5.3 streamlit==1.36.0 python-dotenv==1.0.1 pydantic==2.7.4 groq==0.9.0 mem0ai==0.1.115 httpx==0.27.0