feat: add product review and rating system with schema update

apps/spa/src/pages/ProductDetailPage.tsx

@@ -3,6 +3,7 @@ import { useParams, Link } from 'react-router-dom'
 import Navbar from '../components/Navbar'
 import Footer from '../components/Footer'
 import ProductCard from '../components/ProductCard'
+import ProductReviews from '../components/ProductReviews'
 import { API_BASE, getCategoryImage, formatPrice, type Category, type Product } from '../types'
 import { useCartStore } from '../store/cartStore'
 
@@ -231,6 +232,9 @@ export default function ProductDetailPage() {
           </div>
         )}
 
+        {/* Reviews Section */}
+        <ProductReviews productId={product.id} />
+
         {/* Related Products */}
         {related.length > 0 && (
           <div className="space-y-8 border-t border-spa-stone/10 pt-16">