faiss-cpu==1.9.0 tiktoken==0.8.0 fastembed==0.4.1 groq==0.11.0 langchain==0.3.7 langchain-community==0.3.5 langchain-groq==0.2.1 PyPDF2==3.0.1 scikit-learn==1.5.2 sentence-transformers==3.2.1 streamlit==1.40.0