The search draws its 4,135 symbols as CSS masks through the symbol route, so the route learned `?optical=20` — the 24 cut otherwise, as on <x-icon> — and the section got a checkbox that switches the cut and draws the grid at 20px, where the difference in stroke weight is the point. Plan step 10; finding C16. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Qwx5USif3wFFmxtHg5U1g9