- Types: add BreakRule, break metadata to StandardGame, extend NewGameData/steps - NewGame: add BreakRule and BreakOrder steps with auto-advance - NewGameScreen: wire new steps into flow - GameService: set up defaults, persist break order, compute next breaker on +1 - GameDetail: show breaker indicator; treat -1 as undo equivalent Backfill defaults for existing games via service logic. Refs #28