X11 OBS overlays

Use Browser Source (1920×1080 recommended). Append ?matchId= or ?auctionId= and optional &theme=classic|dark|light, &api=https://your-backend.com for local testing.

• Tournament — full scoreboard
• Tournament — compact
• Tournament — minimal strip
• Auction — summary
• Auction — live bid
• Auction — banner activity

Legacy path /overlay/?matchId= redirects to the full scoreboard.