numpy==2.2.5 pandas==2.3.0 python-dotenv==1.0.1 langchain==0.3.25 langchain-openai==0.3.23 langchain-community==0.3.24 chromadb==1.0.12 scikit-learn==1.7.0 sentence-transformers==4.1.0 beautifulsoup4==4.13.4