feat: CreateRoomRequest 和 RoomItemResponse 新增 allowSpectate 字段

src/main/java/com/webgame/webgamebackend/common/dto/game/CreateRoomRequest.java

@@ -30,5 +30,16 @@ public record CreateRoomRequest(
         /** 最大玩家数 */
         @NotNull(message = "最大玩家数不能为空")
         @Positive(message = "最大玩家数必须为正数")
-        Integer maxPlayers
-) {}
+        Integer maxPlayers,
+
+    /** 是否允许观战，默认 true */
+    Boolean allowSpectate
+) {
+
+    /**
+     * 获取观战开关值，未传时默认为 true
+     */
+    public Boolean allowSpectate() {
+        return allowSpectate != null ? allowSpectate : true;
+    }
+}

src/main/java/com/webgame/webgamebackend/common/dto/game/RoomItemResponse.java

@@ -19,7 +19,8 @@ public record RoomItemResponse(
         String statusText,
         int stakes,
         String mode,
-        String creatorName
+        String creatorName,
+        Boolean allowSpectate
 ) {
     /** 状态 → 展示文本映射 */
     private static final Map<String, String> STATUS_TEXT_MAP = Map.of(
@@ -53,7 +54,8 @@ public record RoomItemResponse(
                 STATUS_TEXT_MAP.getOrDefault(room.getStatus(), "未知"),
                 room.getStakes(),
                 room.getMode(),
-                creatorName
+                creatorName,
+                room.getAllowSpectate()
         );
     }
 }

src/main/java/com/webgame/webgamebackend/service/impl/GameServiceImpl.java

@@ -35,6 +35,7 @@ public class GameServiceImpl implements GameService {
     private final UserRepository userRepository;
     private final BCryptPasswordEncoder passwordEncoder;
     private final SseEventPublisher sseEventPublisher;
+    private final GameMoveRepository gameMoveRepository;
 
     @Override
     public GameListResponse getGameList() {
@@ -123,7 +124,8 @@ public class GameServiceImpl implements GameService {
                 .setMode(request.mode())
                 .setStakes(request.stakes())
                 .setStatus("waiting")
-                .setCreatorId(creatorId);
+                .setCreatorId(creatorId)
+                .setAllowSpectate(request.allowSpectate());
 
         // 密码加密（如果提供了密码）
         if (request.password() != null && !request.password().isBlank()) {