- HUD badge on rank tab for pending tournament matches
- Bracket API + horizontal scrollable bracket visualization (RTL)
- Arena mode: join/seek/pair/play loop with live standings
- Tournament lobby with countdown timer + player grid
- Live tournament spectating with auto-refresh pairings
- Format-specific tabs in tournament detail (bracket/arena)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>