feat: 新增「喝什么」场景，支持奶茶/咖啡/酒吧等饮品店搜索

引入场景系统(SceneType)，首页增加「吃什么」「喝什么」切换 Tab，
不同场景使用不同的高德 POI 类型、热门标签、价格区间和全链路文案。
场景信息存储在房间数据中，邀请/分享/匹配结果等页面自动适配。

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

@@ -7,6 +7,7 @@ import SwipeDeck from "@/components/SwipeDeck";
 import LeaveConfirmModal from "@/components/LeaveConfirmModal";
 import { useRoomPolling } from "@/hooks/useRoomPolling";
 import { getUserId } from "@/lib/userId";
+import { getSceneConfig } from "@/lib/sceneConfig";
 
 export default function RoomPage() {
   const params = useParams<{ id: string }>();
@@ -21,7 +22,7 @@ export default function RoomPage() {
 
   const {
     userCount, match, matchType, matchLikes, runnerUps, likeCounts, swipeCounts,
-    restaurants, notFound, mutate, creatorId, locked, users, userProfiles,
+    restaurants, notFound, mutate, creatorId, locked, users, userProfiles, scene,
   } = useRoomPolling(roomId);
 
   useEffect(() => {
@@ -107,11 +108,13 @@ export default function RoomPage() {
   const initialIndex = swipeCounts[userId] ?? 0;
   const ready = joined && userId && restaurants.length > 0;
 
+  const sceneConfig = getSceneConfig(scene);
+
   if (!ready) {
     return (
       <div className="flex h-dvh flex-col items-center justify-center gap-3 bg-background">
         <div className="h-6 w-6 animate-spin rounded-full border-2 border-zinc-300 border-t-emerald-500" />
-        <p className="text-sm text-zinc-400">正在加载餐厅数据...</p>
+        <p className="text-sm text-zinc-400">正在加载数据...</p>
       </div>
     );
   }
@@ -129,6 +132,7 @@ export default function RoomPage() {
         swipeCounts={swipeCounts}
         totalCards={restaurants.length}
         userProfiles={userProfiles}
+        scene={scene}
       />
       <SwipeDeck
         restaurants={restaurants}
@@ -145,6 +149,7 @@ export default function RoomPage() {
         userProfiles={userProfiles}
         onReset={handleReset}
         onNarrow={handleNarrow}
+        scene={scene}
       />
       <LeaveConfirmModal
         open={showLeaveConfirm}