Retry sending a notification if you're being rate limited by Discord about discord HOT 1 OPEN

return retry(
    times: 2,
    callback: fn () => $this->discord->send($channel, [
        'content' => $message->body,
        'embed' => $message->embed,
    ]),
    sleepMilliseconds: function (int $attempts, CouldNotSendNotification $exception): int {
        $previous = $exception->getPrevious();

        if ($previous instanceof ClientException && $previous->hasResponse()) {
            return ($previous->getResponse()->getHeader('x-ratelimit-reset-after') ?: 1) * 1000;
        }

        return 1000;
    },
    when: fn (Exception $exception) => $exception instanceof CouldNotSendNotification 
        && $exception->getCode() === Response::HTTP_TOO_MANY_REQUESTS
);