Emitir MDF-e em contingência

use Suot\Fiscal\Core\Exception\InfrastructureException;
use Suot\Fiscal\Core\Result\RetryMode;

$issueCommand = $mdfe->issue()
    ->forOperation('ot-123-mdfe-offline')
    ->inHomologation()
    ->issuedIn($uf)
    ->numbered(serie: '1', number: '12346')
    ->issuedBy($emitter)
    ->route($route)
    ->vehicle($vehicle)
    ->withDriver($driver)
    ->carryingCte($documentRef)
    ->withCargo($cargoTotals)
    ->build(); // IssueMdfeCommand — não chame ->handle() aqui

try {
    $result = $mdfe->issueInContingency()
        ->issue($issueCommand)
        ->handle();
} catch (InfrastructureException $e) {
    $failure = $e->toFailure('issue_contingency');
    // Host: alertar; filar retry conforme $failure->retryPolicy
    throw $e;
}

if ($result->isAuthorized()) {
    // Host: persistir $result->issueResult?->accessKey, protocolNumber, submittedDocumentXml
    // XML inclui QR Code com &sign= — exigido em tpEmis=2
}

if ($result->isRejected()) {
    $failure = $result->failure();
    $policy = $result->retryPolicy();
    match ($policy?->mode) {
        RetryMode::AfterCorrection => /* corrigir command e remontar contingência */,
        RetryMode::QueryBeforeRetry => /* byAccessKey() antes de reemitir */,
        RetryMode::AfterDelay, RetryMode::Immediate => /* filar conforme política */,
        RetryMode::Never, null => /* definitivo; não reenviar */,
    };
}