faiss-cpu==1.8.0 transformers==4.41.2 python-dotenv==1.0.1 sentence_transformers==3.0.1 rank_bm25==0.2.2 langchain==0.2.3 langchain-text-splitters==0.2.1 langchain-community==0.2.4 langchain-google-genai==1.0.6 langchain-anthropic==0.1.15 langchain-openai==0.1.8 langchain-core==0.2.5 langchain-groq==0.1.5