requirements.txt

# Core RAG System Dependencies - HuggingFace Spaces Compatible
streamlit>=1.46.0
numpy>=1.23.0
pandas>=1.4.0
scipy>=1.9.0

# Machine Learning & NLP
torch>=2.0.0
sentence-transformers>=2.2.0
transformers>=4.30.0
accelerate>=0.20.0

# Vector Search & Indexing
faiss-cpu>=1.7.4

# Document Processing
PyMuPDF>=1.23.0
pdfplumber>=0.10.0

# Text Processing
nltk>=3.8.0
scikit-learn>=1.3.0
rank-bm25>=0.2.2

# Utilities
python-dotenv>=1.0.0
typing-extensions>=4.4.0

# LLM Integration - HuggingFace API
huggingface_hub>=0.17.0