feat: implement i18n for product and category, add 5 new locales

apps/spa/src/components/ProductCard.tsx

@@ -49,7 +49,7 @@ export default function ProductCard({ product, enableQuickShop = false }: Produc
       {/* Image Area */}
       <div className="h-48 md:h-64 overflow-hidden rounded-xl relative bg-spa-sage/20">
         <img
-          src={product.images?.[0]?.url || getCategoryImage(product.category.name)}
+          src={product.images?.[0]?.url || getCategoryImage(typeof product.category.name === 'string' ? product.category.name : (product.category.name as any)?.en || '')}
           className="w-full h-full object-cover group-hover:scale-105 transition-transform duration-700"
           alt={product.scent.name}
           onError={(e) => {
@@ -58,7 +58,7 @@ export default function ProductCard({ product, enableQuickShop = false }: Produc
         />
         {/* Category badge */}
         <div className="absolute top-3 left-3 bg-white/90 backdrop-blur-sm px-2.5 py-1 rounded-md text-[10px] font-bold uppercase tracking-widest text-spa-forest shadow-sm">
-          {product.category.name}
+          {typeof product.category.name === 'string' ? product.category.name : (product.category.name as any)?.[i18n.language] || (product.category.name as any)?.en || ''}
         </div>
         {/* Wishlist Button */}
         <button
@@ -79,7 +79,7 @@ export default function ProductCard({ product, enableQuickShop = false }: Produc
             {displayName}
           </h3>
           <p className="text-[10px] md:text-xs text-spa-stone/60 mt-1 uppercase tracking-widest line-clamp-1 font-semibold">
-            {product.category.name}
+            {typeof product.category.name === 'string' ? product.category.name : (product.category.name as any)?.[i18n.language] || (product.category.name as any)?.en || ''}
           </p>
         </div>
 
@@ -136,7 +136,7 @@ export default function ProductCard({ product, enableQuickShop = false }: Produc
                   price: selectedVariant.price || 0,
                   productName: displayName,
                   variantSize: selectedVariant.size,
-                  productImage: product.images?.[0]?.url || getCategoryImage(product.category.name)
+                  productImage: product.images?.[0]?.url || getCategoryImage(typeof product.category.name === 'string' ? product.category.name : (product.category.name as any)?.en || '')
                 });
               }}
               className="w-full py-2.5 bg-spa-forest text-white hover:bg-spa-forest/90 rounded-xl font-bold text-xs uppercase tracking-widest transition-all shadow-sm hover:shadow flex items-center justify-center gap-1.5 cursor-pointer"