{{-- New-Unity ERP | Modules/Billing/Resources/Views/Mexico/invoices/partials/create/modal_customers.blade.php | v1.2 | 08/06/2026 06:00:00 --}} {{-- Modal de clientes (Bootstrap 5, sin select2). Lo abre openCustomerModal() de app.invoice.js; la búsqueda usa /invoices/findCustomers con debounce. --}}