Initial commit

src/App.tsx

@@ -0,0 +1,13 @@
+import { useGameState } from './hooks/useGameState';
+import StartScreen from './components/StartScreen';
+import GameScreen from './components/GameScreen';
+
+export default function App() {
+  const game = useGameState();
+
+  if (game.phase === 'menu') {
+    return <StartScreen onStart={(mode) => game.startGame(1, mode)} />;
+  }
+
+  return <GameScreen game={game} />;
+}