feat: remove Supabase, bundle questions locally, use JSON DB + API

fix: batch of 5 stability fixes

fix(spark): Batches 2 + 3 — atomic ELO, real DB IDs, polish

feat(spark): add Challenge a Friend + shareable verdict card

feat(spark): complete debate arena rework to conversational flow

fix(spark): update downstream components for new RoundData field names

fix: leaderboard tracking, score bugs, mobile admin, OG image

feat: improve UX and player tracking

feat: add full debate transcript and expandable rounds to verdict

fix: resolve all type errors from spectrum redesign

feat(spark): update debate room and components for spectrum redesign

feat(spark): DB queries, API routes, and UI components for spectrum redesign

feat: add speech-to-text mic button for debate arguments

feat: redesign judge to be qualitative instead of numeric categories

feat: add Spark Micro-Debate Arena

polish: Master's Lair visual tuning and z-index fixes

feat: replace Master's Lair with WebGL cosmic descent

feat: cross-device account linking via 6-char sync code

feat: easter eggs — triple-click admin access + TRIVIAMASTER name unlock

fix(results): Play Again forces full navigation to remount game state

fix(cosmetics): wire all four cosmetic categories to their visible elements

Fix stale player ID causing leaderboard/coins/achievements to fail

fix: prevent double leaderboard submissions with useRef guard

UX: decrease question transition delays across all modes for faster, snappier gameplay

refactor: unify home page flow to eliminate redundant landing screen and use modal name entry

Fix Nebula Glide controls, leaderboard spam, and stale room codes

Fix Challenge Me 3-round system + improve Nebula Arcade drawer

feat: cinematic landing page with 3D title, scroll easter egg, and starfield preservation

feat: add room-based multiplayer, Game Night, and 124 new questions

feat: redesign landing page with floating tiles, hero pillars, scoring transparency

fix: address code review findings (RLS delete policy, Starfield context, achievement toasts)

feat: apply equipped cosmetics to UI components via CSS custom properties

feat: add Cosmic Shop page with cosmetic purchase, equip, and unequip flows

feat: add cosmetic definitions, theme system, queries, and CosmeticProvider

feat: add achievement toast notifications, trophy room page, and header nav updates

feat: add player progress hook with achievement + coin integration in results screens

feat: wire game results to Supabase with async question loading

feat: enhance answer feedback with green/red glow, icons, and floating text

feat: separate Triviaverse and Nebula Arcade sections on home page

fix: address code review findings (AudioContext leak, stale closure, unused imports)

feat: port complex games (Glide, Merge) to V2

feat: port medium games (Memory, Wordle, Sequence) to V2

feat: port simple games (Reaction, Aim, Math, Typing) to V2

feat: add MiniGameResultsScreen, MiniGameHeader, and MiniGamesGrid components

feat: add mini-game shared infrastructure (types, registry, high-scores)

feat: upgrade all pages with Lucide icons, glow effects, and confetti

feat: upgrade ResultsScreen with confetti, trophy icon, and glass-card glow

feat: upgrade game UI components with Lucide icons and glass-card styling

feat: replace emoji icons with Lucide icons in Header, add glow border

feat: upgrade GlassCard to use glass-card CSS class and add glow prop, add glow classes to Button variants