2025-12-16 zwy 切换飞行器摄像头时加打印日志，看下参数

zhaowenyu

2025-12-16 eb999e84f6f2d14b1440db9e654fd3c2b2d6b473

 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);
    }

}