fix: SwipeDeck 检测他人重置后自动清空本地状态

当 server 端 swipeCount 归零而本地 currentIndex > 0 时
说明其他用户执行了重置，自动调用 clearLocalState()

src/components/SwipeDeck.tsx

@@ -291,6 +291,13 @@ export default function SwipeDeck({
     prevLikeCounts.current = {};
   }, []);
 
+  useEffect(() => {
+    const serverIndex = swipeCounts[userId] ?? 0;
+    if (serverIndex === 0 && currentIndex > 0 && !resetting) {
+      clearLocalState();
+    }
+  }, [swipeCounts, userId, currentIndex, resetting, clearLocalState]);
+
   const handleReset = useCallback(async () => {
     setResetting(true);
     try {