치지직 채팅창 인식 추가 및 주사위 횟수 증가 추가.

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

@@ -0,0 +1,83 @@
+import {
+  cancelScheduledDisconnectRoomChat,
+  scheduleDisconnectRoomChat,
+} from '@/lib/chzzk/chat-session';
+import {
+  addRoomViewer,
+  getRoom,
+  removeRoomViewer,
+  subscribeRoom,
+  toPublicRoom,
+  type PublicRoomState,
+} from '@/lib/rooms/store';
+
+export const runtime = 'nodejs';
+export const dynamic = 'force-dynamic';
+
+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 new Response(JSON.stringify({ error: '방을 찾을 수 없습니다.' }), {
+      status: 404,
+      headers: { 'Content-Type': 'application/json' },
+    });
+  }
+
+  const clientId =
+    new URL(request.url).searchParams.get('clientId')?.trim() ||
+    crypto.randomUUID();
+
+  const encoder = new TextEncoder();
+  let unsubscribe: (() => void) | null = null;
+  let heartbeat: ReturnType<typeof setInterval> | null = null;
+  let presenceHeld = false;
+
+  const release = () => {
+    if (!presenceHeld) return;
+    presenceHeld = false;
+    const { emptied } = removeRoomViewer(roomId, clientId);
+    if (emptied) {
+      // 즉시 끊지 않음 — 빠른 재입장과 경쟁하지 않도록 유예
+      scheduleDisconnectRoomChat(roomId);
+    }
+  };
+
+  const stream = new ReadableStream({
+    start(controller) {
+      // 재입장 시 예약된 disconnect 취소
+      cancelScheduledDisconnectRoomChat(roomId);
+      addRoomViewer(roomId, clientId);
+      presenceHeld = true;
+
+      const send = (event: string, data: unknown) => {
+        controller.enqueue(
+          encoder.encode(`event: ${event}\ndata: ${JSON.stringify(data)}\n\n`),
+        );
+      };
+
+      send('room', toPublicRoom(room));
+      unsubscribe = subscribeRoom(roomId, (state: PublicRoomState) => {
+        send('room', state);
+      });
+      heartbeat = setInterval(() => {
+        controller.enqueue(encoder.encode(`: ping\n\n`));
+      }, 15000);
+    },
+    cancel() {
+      if (unsubscribe) unsubscribe();
+      if (heartbeat) clearInterval(heartbeat);
+      release();
+    },
+  });
+
+  return new Response(stream, {
+    headers: {
+      'Content-Type': 'text/event-stream; charset=utf-8',
+      'Cache-Control': 'no-cache, no-transform',
+      Connection: 'keep-alive',
+    },
+  });
+}