Fix button text update when selecting product option

- Update button text from "Choisissez une option" to "Ajouter au panier" when option is selected
- Add data-default-text attribute to preserve translated text
- Improve UX by providing clear feedback when option is selected

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

assets/js/product-size.js

@@ -45,6 +45,12 @@
                 // Activer le bouton
                 addToCartButton.removeAttribute('disabled');
 
+                // Changer le texte du bouton
+                const buttonText = addToCartButton.querySelector('.txt');
+                if (buttonText) {
+                    buttonText.textContent = buttonText.getAttribute('data-default-text') || 'Ajouter au panier';
+                }
+
                 // Gérer la classe is-selected sur les li parents
                 allLi.forEach(li => li.classList.remove('is-selected'));
                 this.closest('li').classList.add('is-selected');

site/templates/product.php

@@ -67,7 +67,7 @@
                                 <path d="m14.523 18.787s4.501-4.505 6.255-6.26c.146-.146.219-.338.219-.53s-.073-.383-.219-.530c-1.753-1.754-6.255-6.258-6.255-6.258-.144-.145-.334-.217-.524-.217-.193 0-.385.074-.532.221-.293.292-.295.766-.004 1.056l4.978 4.978h-14.692c-.414 0-.75.336-.75.75s.336.75.75.75h14.692l-4.979 4.979c-.289.289-.286.762.006 1.054.148.148.341.222.533.222.19 0 .378-.072.522-.215z" fill-rule="nonzero" />
                             </svg>
                         </span>
-                        <div class="txt">
+                        <div class="txt" data-default-text="<?= t('addToCart', 'Ajouter au panier') ?>">
                             <?php if($page->hasOptions()->toBool() && $page->optionValues()->isNotEmpty()): ?>
                                 <?= t('chooseOption', 'Choisissez une option') ?>
                             <?php else: ?>