gradio huggingface_hub llama-cpp-python @ https://huggingface.co/robertolofaro/libraries_prebuilt/resolve/main/llama_cpp_python-0.3.23-py3-none-linux_x86_64.whl langchain_huggingface langchain-community langchain-qdrant chromadb faiss-cpu qdrant-client sentence-transformers # <-- ADD THIS requests>=2.32.0 # GitHub API + raw file fetching duckduckgo-search>=6.1.0 # DuckDuckGo web search (no API key needed)