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

apps/spa/src/pages/CategoryPage.tsx

@@ -121,9 +121,9 @@ export default function CategoryPage() {
       ) : (
         <div className="relative h-64 md:h-80 overflow-hidden">
           <img
-            src={getCategoryImage(category?.name ?? '')}
+            src={getCategoryImage(typeof category?.name === 'string' ? category.name : (category?.name as any)?.en || '')}
             className="absolute inset-0 w-full h-full object-cover brightness-30 scale-105"
-            alt={category?.name}
+            alt={typeof category?.name === 'string' ? category.name : (category?.name as any)?.[i18n.language] || (category?.name as any)?.en || ''}
             onError={(e) => { (e.target as HTMLImageElement).style.display = 'none' }}
           />
           <div className="absolute inset-0 bg-night-900/40" />
@@ -136,13 +136,13 @@ export default function CategoryPage() {
                 <span>/</span>
                 <Link to="/shop" className="hover:text-white transition-colors">Shop</Link>
                 <span>/</span>
-                <span className="text-white">{category?.name ?? '...'}</span>
+                <span className="text-white">{typeof category?.name === 'string' ? category.name : (category?.name as any)?.[localStorage.getItem('homaroma_lang') || 'en'] || (category?.name as any)?.en || '...'}</span>
               </div>
               <h1 className="text-4xl md:text-5xl font-bold text-white">
                 {loading ? (
                   <div className="h-10 w-48 bg-white/20 animate-pulse rounded-lg" />
                 ) : (
-                  category?.name
+                  typeof category?.name === 'string' ? category.name : (category?.name as any)?.[i18n.language] || (category?.name as any)?.en || ''
                 )}
               </h1>
               {!loading && category?._count && (
@@ -169,7 +169,7 @@ export default function CategoryPage() {
                   : 'bg-white text-spa-stone border-spa-stone/20 hover:border-spa-forest hover:text-spa-forest shadow-sm'
               }`}
             >
-              {cat.name}
+              {typeof cat.name === 'string' ? cat.name : (cat.name as any)?.[localStorage.getItem('homaroma_lang') || 'en'] || (cat.name as any)?.en || ''}
             </Link>
           ))}
         </div>

apps/spa/src/pages/ProductDetailPage.tsx

@@ -133,7 +133,7 @@ export default function ProductDetailPage() {
       price: currentVariant.price || product.price || 0,
       productName: displayName,
       variantSize: currentVariant.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 || '')
     })
   }
 
@@ -160,7 +160,7 @@ export default function ProductDetailPage() {
           <Link to="/shop" className="hover:text-spa-forest transition-colors">{t('common.shop')}</Link>
           <span>/</span>
           <Link to={`/category/${product.category.id}`} className="hover:text-spa-forest transition-colors">
-            {product.category.name}
+            {typeof product.category.name === 'string' ? product.category.name : (product.category.name as any)?.[i18n.language] || (product.category.name as any)?.en || ''}
           </Link>
           <span>/</span>
           <span className="text-spa-forest">{displayName}</span>
@@ -172,9 +172,9 @@ export default function ProductDetailPage() {
           <div className="w-full">
             <ProductImageGallery
               images={product.images || []}
-              fallback={getCategoryImage(product.category.name)}
+              fallback={getCategoryImage(typeof product.category.name === 'string' ? product.category.name : (product.category.name as any)?.en || '')}
               alt={product.scent.name}
-              badgeText={product.category.name}
+              badgeText={typeof product.category.name === 'string' ? product.category.name : (product.category.name as any)?.[i18n.language] || (product.category.name as any)?.en || ''}
             />
           </div>
 
@@ -182,7 +182,7 @@ export default function ProductDetailPage() {
           <div className="space-y-8">
             <div className="space-y-2">
               <p className="text-spa-forest uppercase tracking-[0.3em] text-xs font-bold opacity-80">
-                {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>
               <h1 className="text-5xl font-bold leading-tight text-pop-black">
                 {displayName}
@@ -258,7 +258,7 @@ export default function ProductDetailPage() {
                   to={`/category/${product.category.id}`}
                   className="text-pop-black font-bold hover:text-spa-forest transition-colors"
                 >
-                  {product.category.name}
+                  {typeof product.category.name === 'string' ? product.category.name : (product.category.name as any)?.[i18n.language] || (product.category.name as any)?.en || ''}
                 </Link>
               </div>
             </div>

apps/spa/src/pages/SearchPage.tsx

@@ -126,10 +126,10 @@ export default function SearchPage() {
               {categories.map((cat) => (
                 <Link
                   key={cat.id}
-                  to={`/search?q=${encodeURIComponent(cat.name)}`}
+                  to={`/search?q=${encodeURIComponent(typeof cat.name === 'string' ? cat.name : (cat.name as any)?.[i18n.language] || (cat.name as any)?.en || '')}`}
                   className="bg-white border border-spa-stone/20 px-4 py-1.5 rounded-full text-xs font-medium text-spa-stone hover:border-spa-forest hover:text-spa-forest shadow-sm transition-all duration-300"
                 >
-                  {cat.name}
+                  {typeof cat.name === 'string' ? cat.name : (cat.name as any)?.[i18n.language] || (cat.name as any)?.en || ''}
                 </Link>
               ))}
             </div>

apps/spa/src/pages/ShopPage.tsx

@@ -211,7 +211,7 @@ export default function ShopPage() {
                   : 'bg-white text-spa-stone border-spa-stone/20 hover:border-spa-forest hover:text-spa-forest shadow-sm'
               }`}
             >
-              {cat.name}
+              {typeof cat.name === 'string' ? cat.name : (cat.name as any)?.[i18n.language] || (cat.name as any)?.en || ''}
               {cat._count && (
                 <span className={`ml-2 ${activeCategory === cat.id ? 'opacity-80' : 'opacity-60'}`}>({cat._count.products})</span>
               )}