Merge remote-tracking branch 'origin/dev' into dev

zhaowenyu

2026-01-06 4e8a1c02b45f72f6377603778e8c8746ed82f374

 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);
    }

}