Rename vendor shipped button Shipd -> Ship

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

lib/render.php

@@ -148,7 +148,7 @@ function render_actions(array $r, string $audience): string {
         if ($r['status'] === '') {
             $btns[] = '<button class="btn btn-finish" data-action="mark_finished">Done</button>';
         } elseif ($r['status'] === 'Finished') {
-            $btns[] = '<button class="btn btn-ship" data-action="mark_shipped">Shipd</button>';
+            $btns[] = '<button class="btn btn-ship" data-action="mark_shipped">Ship</button>';
         }
         if (in_array($r['status'], ['', 'Finished'], true) && (int) $r['qty'] > 1) {
             $btns[] = '<button class="btn btn-partial" data-action="partial_ship" data-qty="' . (int) $r['qty'] . '">Partial</button>';