[fix] 게임 종료 시 PLAYER_LIST 메세지 누락, 방장 레디 풀림 이슈 해결

backend/src/main/java/io/f1/backend/domain/game/app/GameService.java

@@ -176,7 +176,13 @@ public void gameEnd(Room room) {
         room.initializePlayers();
 
         List<Player> disconnectedPlayers = room.getDisconnectedPlayers();
-        roomService.handleDisconnectedPlayers(room, disconnectedPlayers);
+
+        if (!disconnectedPlayers.isEmpty()) {
+            roomService.handleDisconnectedPlayers(room, disconnectedPlayers);
+        } else {
+            messageSender.sendBroadcast(
+                    destination, MessageType.PLAYER_LIST, toPlayerListResponse(room));
+        }
 
         room.updateRoomState(RoomState.WAITING);
 

backend/src/main/java/io/f1/backend/domain/game/app/RoomService.java

@@ -338,10 +338,10 @@ public void exitRoomForDisconnectedPlayer(Long roomId, Player player, String ses
             SystemNoticeResponse systemNoticeResponse =
                     ofPlayerEvent(player.nickname, RoomEventType.EXIT);
 
-            messageSender.sendBroadcast(
-                    destination, MessageType.PLAYER_LIST, toPlayerListResponse(room));
             messageSender.sendBroadcast(
                     destination, MessageType.SYSTEM_NOTICE, systemNoticeResponse);
+            messageSender.sendBroadcast(
+                    destination, MessageType.PLAYER_LIST, toPlayerListResponse(room));
         }
     }
 

backend/src/main/java/io/f1/backend/domain/game/model/Room.java

@@ -138,8 +138,8 @@ public void initializePlayers() {
                 .forEach(
                         player -> {
                             player.initializeCorrectCount();
-                            player.toggleReady();
                         });
+        resetAllPlayerReadyStates();
     }
 
     public String getSessionIdByUserId(Long userId) {

backend/src/test/java/io/f1/backend/domain/game/app/RoomServiceTests.java

@@ -47,18 +47,14 @@ class RoomServiceTests {
 
     @Mock private RoomRepository roomRepository;
     @Mock private QuizService quizService;
-    @Mock private GameService gameService;
-    @Mock private TimerService timerService;
     @Mock private ApplicationEventPublisher eventPublisher;
     @Mock private MessageSender messageSender;
 
     @BeforeEach
     void setUp() {
         MockitoAnnotations.openMocks(this); // @Mock 어노테이션이 붙은 필드들을 초기화합니다.
 
-        roomService =
-                new RoomService(
-                        timerService, quizService, roomRepository, eventPublisher, messageSender);
+        roomService = new RoomService(quizService, roomRepository, eventPublisher, messageSender);
 
         SecurityContextHolder.clearContext();
     }