Added HF formatter to README

Updated README

Added README

Fix session isolation: scope all queries to session_id

Fix citation links and PDF viewer for HF Spaces via APP_PUBLIC_URL env var

Poll upload status and show indexed chunk count instead of raw paper ID

Add conversation history to chat — last 3 exchanges sent to LLM

Fix nginx temp dir permissions for file uploads

Fix nginx Connection header for uploads and async httpx for arXiv fetch

Fix upload dir paths, nginx body size limit, arXiv fetch timeout

Add HuggingFace Spaces deployment + session isolation

Fixed Citation PDF Viewer functionality

Fixed Document Viewer

Fixed fetch from arxiv functionality

Initial commit: Academic Research RAG project