Fix: revert chat to non-streaming run_both; PubMed query uses canonical_name

Add biopython to requirements for PubMed panel

Update dashboard/assets/concept_chain.png — About tab, PubMed panel, streaming chat

Update dashboard/assets/hero_architecture.png — About tab, PubMed panel, streaming chat

Update dashboard/rag_chat.py — About tab, PubMed panel, streaming chat

Update dashboard/app.py — About tab, PubMed panel, streaming chat

Fix: guard against None LLM responses (rate limit resilience)

Deploy DrugRAG dashboard (M5) — full index via LFS, no runtime downloads

initial commit