feat(design): bioluminescent green+violet palette and re-tuned landing hero

feat(theme): dual light/dark mode with Apple light theme, toggle, and theme-aware viewers

fix(interactions): add evidence-type filter, JSON export, and learn tooltips to STRING-DB viewer

Refine design system: semantic color tokens, tiered motion, denser result cards, VinaLog toolbar

chore: frontend design polish (accent palette, remove glow/gradient utils), ignore installed skill trees, add opencode skills config

fix: stabilize useAuditTrail return reference with useMemo, remove setLoading(true) from effect re-fetches

feat: implement 8 tool bridges (F1-F8) + audit child components

fix: use STRING-DB image API for accurate PPI diagram, add PNG/TSV/copy export buttons

fix: forward backend error detail in 4 components

fix: handle non-200 responses in domains, interactions, ramachandran, SS components

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