Deploy prep: Render config + Dockerfile, refactored backend auth flow, dashboard, landing page, error states, guest flow

AlphaFold 3D viewer via 3Dmol.js — pLDDT confidence coloring, style selector, spin toggle

Core pipeline testability: progress callback, rate limiter 429, history table

Initial commit: Bio Nexus pipeline engine — BLAST + UniProt + AlphaFold + AI interpretation (Phase 1)