# Core web framework
Flask>=3.0
python-dotenv>=1.0

# LangChain + OpenAI (versions chosen for Python 3.11–3.14 compatibility)
langchain>=0.3
langchain-core>=0.3
langchain-community>=0.3
langchain-openai>=0.2
langchain-text-splitters>=0.3
openai>=1.40

# Vector store + embeddings infra
faiss-cpu>=1.8
numpy>=1.26
tiktoken>=0.7

# Pydantic v2
pydantic>=2.7
