Optional ReadonlycountdownCountdown duration in seconds
ReadonlycurrentCurrent match score (player1 wins, player2 wins)
ReadonlyisWhether layout should adapt for mobile screens
ReadonlyonCallback when countdown completes
ReadonlyonCallback when skip button is pressed
ReadonlyroundCurrent round number (1-based)
Optional ReadonlyroundRound statistics to display
ReadonlyroundRound winner, or null if round was a draw
Optional ReadonlytotalTotal number of rounds in match (for match point detection)
Props for the RoundAnnouncement component