V1 - hold-release timer (space/mouse/touch) with optional WCA inspection, scramble generator, sessions, full solve history with +2/DNF/edit/delete/copy, Ao5/12/50/100, stock-style graph with hover tooltips and dataset toggles, stats + progress cards, complete 57-case OLL and 21-case PLL libraries with search/filters/learned/favorites/notes, case detail modals with large cubes and recognition tips, CFOP overview, JSON/CSV export + import, settings (decimals, sound, accent color), full mobile bottom-nav layout, and local-first storage with a visible J Perm credit.