feat: 实现 NoWhatever 别说随便餐厅决策 Web App

- Framer Motion 卡片滑动 UI，带物理阻尼动画
- 多人房间系统，4位房间号 + SWR 实时轮询
- 高德地图 POI v5 API 搜索附近餐厅
- Web Share API 一键邀请，剪贴板降级方案
- SQLite/Prisma 持久化存储
- 移动端优先响应式设计 (Tailwind CSS)

src/app/api/room/[id]/route.ts

@@ -0,0 +1,33 @@
+import { NextResponse } from "next/server";
+import { getRoomData } from "@/lib/store";
+
+export async function GET(
+  _req: Request,
+  { params }: { params: Promise<{ id: string }> },
+) {
+  const { id } = await params;
+
+  try {
+    const data = await getRoomData(id);
+
+    if (!data) {
+      return NextResponse.json(
+        { error: "房间不存在或已过期" },
+        { status: 404 },
+      );
+    }
+
+    return NextResponse.json({
+      roomId: id,
+      userCount: data.users.length,
+      match: data.match,
+      restaurants: data.restaurants,
+    });
+  } catch (e) {
+    console.error("Failed to get room:", e);
+    return NextResponse.json(
+      { error: "获取房间信息失败" },
+      { status: 500 },
+    );
+  }
+}