requirements.txt

# Core LangChain packages
langchain>=0.3.0
langchain-core>=0.3.0
langchain-community>=0.3.0
langchain-text-splitters>=0.3.0
langchain-groq>=0.2.0

# Document processing
pypdf>=4.0.1

# Embeddings and vector databases
sentence-transformers>=3.0.0
faiss-cpu>=1.8.0

# Web framework and API
fastapi>=0.115.0
uvicorn[standard]>=0.32.0
pydantic>=2.9.0

# Environment and utilities
python-dotenv>=1.0.0