Perf-3: Add React.memo to game entity components#9
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Wrap all 10 game entity components with React.memo to prevent unnecessary re-renders during the 50ms game loop tick: Tier 1 (default memo - primitive props): - FloatingScore, FloatingStar, PizzaSliceStack Tier 2 (custom comparators - object props with new refs every tick): - Customer (19 visual state fields), PowerUp, DroppedPlate Tier 3 (custom comparators - complex state): - PizzaSlice, EmptyPlate, Boss (with minion array), PepeHelpers Also memoize filtered floating scores/stars arrays in GameBoard.tsx with useMemo to avoid creating new arrays on every render. Target: reduce re-renders per tick from ~150+ to only changed entities. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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