feat: 拆分"再来一轮"为 Top N 决赛和换一批餐厅两个选项

src/app/room/[id]/page.tsx

@@ -34,6 +34,15 @@ export default function RoomPage() {
     await mutate();
   }, [roomId, mutate]);
 
+  const handleNarrow = useCallback(async (restaurantIds: string[]) => {
+    await fetch(`/api/room/${roomId}/reset`, {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ restaurantIds }),
+    });
+    await mutate();
+  }, [roomId, mutate]);
+
   const initialIndex = swipeCounts[userId] ?? 0;
   const ready = joined && userId && restaurants.length > 0;
 
@@ -62,6 +71,7 @@ export default function RoomPage() {
         swipeCounts={swipeCounts}
         userCount={userCount}
         onReset={handleReset}
+        onNarrow={handleNarrow}
       />
     </div>
   );