requests
beautifulsoup4
openai
lxml
flask
werkzeug
flask-cors

# LangChain and Vector Database dependencies
langchain
langchain-community
langchain-openai
langchain-chroma
langchain-huggingface
chromadb
tiktoken
sentence-transformers

# Firebase integration
firebase-admin

# Additional dependencies for robust retrieval
numpy
pandas
scikit-learn

# Production WSGI server
gunicorn