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

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

feat(spark): rewrite useDebate for conversational flow with commentary + challenge

fix: ensure "Different topics" generates 3 fully new topics

feat: allow users to suggest custom debate topics

feat(spark): update useDebate hook - isHost/player1/player2, remove alignment

feat(spark): critical reliability - disconnect detection, API error handling, judge timeout

feat: add Spark Micro-Debate Arena

feat: per-session location tracking + admin player intelligence

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

fix: auto-heal old string guest IDs to valid UUIDs and connect trophy room to real DB table

Fix Quick Match multiplayer sync and solo scoring feedback

fix: wire game night to real-time Supabase, fix leaderboard links, add arcade drawer

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

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

feat: add Supabase client guard and player sync

feat: multiplayer — matchmaking, 1v1 match with bot demo, match results with ELO

feat: results screen, leaderboard page, procedural sound system

fix: spec compliance — restore emojis, fix timer race condition, fix query types

feat: game UI components + Quick Fire gameplay with timer, scoring, and results