hado/core/app/Channels/DeliveryOutcome.php

<?php

namespace App\Channels;

final class DeliveryOutcome
{
    private function __construct(
        public readonly bool $ok,
        public readonly ?string $error,
        /** @var array<string,mixed> служебное канала, ляжет в deliveries.meta */
        public readonly array $meta,
    ) {}

    public static function ok(array $meta = []): self
    {
        return new self(true, null, $meta);
    }

    public static function failed(string $error): self
    {
        return new self(false, $error, []);
    }
}