project enhancements.md

🔧 6. Upgrades & Enhancements Use LLaMA‑3 (e.g., 8B) for better performance.

Switch to LangChain RetrievalQA and Chroma or Qdrant for vector storage.

Add chat history display, caching, UI enhancements (highlighting source text).

Add file previews, multi-PDF support.

Containerize with Docker.