🤖 PDF RAG Chatbot

Upload PDF → Ask questions → FREE local answers!

✨ Features

• ✅ PDF upload (ML papers, ECE notes, textbooks)
• ✅ FREE local AI - No OpenAI billing/quota issues
• ✅ Smart retrieval (1000-token chunks)
• ✅ Chat history for follow-ups
• ✅ Production Streamlit UI

🚀 Quick Start

pip install -r requirements.txt
streamlit run app.py
# Test commit
Updated at 02/19/2026 23:18:34