feat: domains, interactions, primers, structure analysis, wizard, phylo tree, conservation

Sprint 1-2: JWT auth middleware + UniProt dedicated page

design.md + rules.md compliance: dark theme, teal palette, pulsing dot, Pydantic models, api.ts routing, config fixes, db/max_hits threading, Supabase migration 004

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