update flow

src/hooks/useGameStep.ts

@@ -5,8 +5,7 @@ import type { GameStepSnapshot } from "@/types/game";
 const manager = GameStepManager.getInstance();
 
 export function useGameStep(): GameStepSnapshot {
-  return useSyncExternalStore(manager.subscribe.bind(manager), () => ({
-    step: manager.getStep(),
-    transitionTo: manager.transitionTo.bind(manager),
-  }));
+  return useSyncExternalStore(manager.subscribe.bind(manager), () =>
+    manager.getSnapshot(),
+  );
 }