Feat: Shipping functionalities redesign, elta courier integration, commenting out acs since no integration can happen, flow updates

src/Shipping/Contracts/SupportsBatchLabels.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Modules\Core\Shipping\Contracts;
+
+use Illuminate\Support\Collection;
+use Modules\Core\Shipping\Models\Shipment;
+
+/**
+ * A carrier that can print several shipments' labels as one PDF — behind
+ * the Pending Vouchers screen's "Print selected". Same side effects as
+ * printLabel() per shipment (issuing pending vouchers, setting
+ * label_printed_at).
+ */
+interface SupportsBatchLabels
+{
+    /**
+     * @param  Collection<int, Shipment>  $shipments
+     */
+    public function printLabels(Collection $shipments): string;
+}