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

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

feat(frontend): HUD glass design system + clay components

fix: Ramachandran tab hidden for proteins without PDB IDs + AI interpretation error

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