2025-12-12 zwy 优化，订阅视频时，谁订阅发给谁直播地址，其他订阅不变

zhaowenyu

2025-12-12 7beea5916728a84617d4791775d0aac70ab32eee

 ard-work/src/main/java/com/ard/work/component/websocket/WebSocketSessionManager.java

@@ -28,4 +28,9 @@
    public static int getOnlineUserCount() {
        return ONLINE_USER_SESSIONS.size();
    }

    public static boolean containsUser(Long userId) {
        return ONLINE_USER_SESSIONS.containsKey(userId);
    }

}