치지직 채팅창 인식 추가 및 주사위 횟수 증가 추가.

app/api/rooms/[roomId]/route.ts

@@ -0,0 +1,15 @@
+import { NextResponse } from 'next/server';
+import { getRoom, toPublicRoom } from '@/lib/rooms/store';
+
+export const runtime = 'nodejs';
+
+type Params = { params: Promise<{ roomId: string }> };
+
+export async function GET(_request: Request, { params }: Params) {
+  const { roomId } = await params;
+  const room = getRoom(roomId);
+  if (!room) {
+    return NextResponse.json({ error: '방을 찾을 수 없습니다.' }, { status: 404 });
+  }
+  return NextResponse.json({ room: toPublicRoom(room) });
+}