feat(F-121): completed feature

project/apps/admin/src/features/products/components/ProductEditor.tsx

@@ -44,7 +44,8 @@ function hasMeaningfulContent(value: string): boolean {
   return value.replace(/<[^>]*>/g, '').replace(/&nbsp;|&#160;/gi, ' ').trim().length > 0;
 }
 
-export function ProductEditor({ productId }: ProductEditorProps) {
+export function ProductEditor({ productId: initialProductId }: ProductEditorProps) {
+  const [productId, setProductId] = useState<string | undefined>(initialProductId);
   const router = useRouter();
   const isCreate = !productId;
   const [tab, setTab] = useState<'general' | 'images' | 'seo' | 'publish'>('general');
@@ -182,7 +183,13 @@ export function ProductEditor({ productId }: ProductEditorProps) {
       }
       snapRef.current = getSnap();
       dirtyRef.current = false;
-      if (isCreate) router.push(`/products/${saved.id}`);
+      if (isCreate) {
+        // Stay on the same React component but unlock the price/stock/EAN
+        // section by giving it a real productId. router.replace avoids a
+        // full page reload so the dirty state is preserved (F-121).
+        setProductId(saved.id);
+        router.replace(`/products/${saved.id}`);
+      }
     } catch (err) {
       setError(err instanceof Error ? err.message : 'Error al guardar');
     } finally {