client-php

NFE.io PHP SDK integration expert (Composer package: nfe/nfe, namespace Nfe\). MUST trigger when: composer.json requires 'nfe/nfe' or code has `use Nfe\Client`, `new Nfe\Client(`, or references the Nfe\ namespace; user mentions NFE.io, NFS-e, NF-e, NFC-e, CT-e, CFe-SAT, nota fiscal, nota fiscal eletronica, nota fiscal de servico, Brazilian invoice, fiscal document, electronic invoice Brazil, CNPJ lookup, CPF lookup, consulta CEP, service invoice, product invoice, consumer invoice, transportation invoice, tax calculation Brazilian taxes, SEFAZ, emissao de nota; user builds Brazilian electronic fiscal document automation or tax compliance in PHP/Laravel/Symfony/WHMCS/WooCommerce; user mentions polling for invoice status, async invoice processing, webhook signature validation, or certificate management for Brazilian fiscal documents. Covers all 17 SDK resources, async invoice creation via native union return types (instanceof), MANUAL polling (there is no createAndWait), method-aware retry (POST is NOT retried o