image_advanced don't resize images like wordpress do.

do this code can work for me?

add_action('rwmb_after_save_field', function ($null, $field, $new, $old, $object_id) {
    // Only process 'image_advanced' fields
    if ($field['id'] === 'your_meta_field_id' && !empty($new)) {
        foreach ((array) $new as $image_id) {
            // Check if the image exists
            if (get_post_mime_type($image_id) === 'image/jpeg' || get_post_mime_type($image_id) === 'image/png' || get_post_mime_type($image_id) === 'image/webp') {
                // Generate WordPress standard sizes (thumbnail, medium, large)
                wp_create_image_subsizes(get_attached_file($image_id), $image_id);
            }
        }
    }
}, 10, 4);

I have pictures of more than 7000px width, and more than 25mo. Using image_advanced, using a script that search for pictures automatically and add them to the gallery for me.

Including picture links into the gallery by code for pictures that didn't came from the media library, can provoke that behaviour maybe?

thanks, gotta check it with the dev of the script.