Yii2 recursive minification of CSS files. Reasons and how to fix?

Question

Yii

Good afternoon!
There is a plug-in set:

class AppAsset extends AssetBundle
{
    public $basePath = '@webroot';
    public $baseUrl = '@web';

    public $css = [
        'css/style.css',
    ];
    public $js = [];
    
  public $depends = [
        'yii\web\YiiAsset',
        'yii\bootstrap\BootstrapPluginAsset',
    ];
}

Register it in the template: assetManager settings:
AppAsset::register($this);

'assetManager' => [
            'appendTimestamp' => true,
],

The page renders without problems - all resources are connected correctly:

BUT ... if you look in the folder
, you can see a bunch of garbage. Where do these endless *.min.css come from? how to get rid of them? ... ran without IDE and any minifiers, only Yii2 on OpenServer