fix: product detail view for parapharmacy products

- Updated ProductView to use correct endpoint for parapharmacy
- Updated getProduct service to handle parapharmacy products
- Shows price, category, brand, source for parapharmacy products
- Updated labels from 'OFF' to 'Parafarmacia'

apps/frontend/src/views/ProductView.jsx

@@ -17,13 +17,18 @@ export default function ProductView({ source, id, onBack }) {
     setError(null);
     setPharmacies([]);
     try {
-      const response = await fetch(`/api/products/${source}/${id}`);
+      // Use different endpoint for parapharmacy products
+      const apiUrl = source === 'parapharmacy'
+        ? `/api/products/parapharmacy/${id}`
+        : `/api/products/${source}/${id}`;
+
+      const response = await fetch(apiUrl);
       if (!response.ok) {
         throw new Error('Producto no encontrado');
       }
       const data = await response.json();
       setProduct(data);
-      loadPharmacies(source, data.id);
+      loadPharmacies(source, data.id || data._id);
     } catch (err) {
       setError(err.message);
     } finally {
@@ -71,8 +76,9 @@ export default function ProductView({ source, id, onBack }) {
   if (!product) return null;
 
   const isCima = product.source === 'cima';
+  const isParapharmacy = product.source !== 'cima';
   const sourceColor = isCima ? '#2563eb' : '#16a34a';
-  const sourceLabel = isCima ? 'CIMA' : 'Open Food Facts';
+  const sourceLabel = isCima ? 'CIMA' : 'Parafarmacia';
 
   return (
     <div className="product-view">
@@ -116,17 +122,20 @@ export default function ProductView({ source, id, onBack }) {
           </>
         ) : (
           <>
-            {product.nutriscore && product.nutriscore !== 'not-applicable' && product.nutriscore !== 'unknown' && (
-              <DetailRow label="Nutri-Score" value={product.nutriscore.toUpperCase()} />
+            {product.price && (
+              <DetailRow label="Precio" value={`${product.price} €`} />
             )}
-            {product.nova_group && (
-              <DetailRow label="NOVA" value={`Grupo ${product.nova_group}`} />
+            {product.original_price && product.original_price > product.price && (
+              <DetailRow label="Precio anterior" value={`${product.original_price} €`} />
             )}
-            {product.eco_score && product.eco_score !== 'unknown' && (
-              <DetailRow label="Eco-Score" value={product.eco_score.toUpperCase()} />
+            {product.category && (
+              <DetailRow label="Categoría" value={product.category} />
             )}
-            {product.ingredients && (
-              <DetailRow label="Ingredientes" value={product.ingredients} />
+            {product.brand && (
+              <DetailRow label="Marca" value={product.brand} />
+            )}
+            {product.source_url && (
+              <DetailRow label="Fuente" value={product.source} />
             )}
           </>
         )}