+ [ ] Creation bugs (like +4min, tournament) + [ ] Wrong problem link - https://codeforces.com/contest/16781/problem/B -> https://codeforces.com/contest/1678/problem/B1 + [ ] Show status indicator on left bar + [ ] Warning to exit, dont show back button + [ ] Countdown timer for setup/forfeiture + [ ] Activity feed - Submission/progression events (etc), Ready event, persist events, unified for all participants + [ ] Incomplete match history + DB Persistence, leaderboards + [ ] Spectator mode + [ ] Set time/score per question/overall + [ ] Submission integrity + [ ] Security-related issues (like `createRoomContest()` doesn't check `isHead()`) + [ ] Insufficient problem-handling not according to spec + [ ] Team assignment interface + [ ] Code Runner integration + [ ] Top-N group progression for bracket tournaments
createRoomContest()doesn't checkisHead())