feat: implement inventory and pantry management views with CRUD functionality and user-friendly interfaces

frontend/app/inventory/InventoryForm.tsx

@@ -7,9 +7,10 @@ import { UNIT_OPTIONS } from '../../lib/units';
 
 type Props = {
   products: Product[];
+  onCreated?: () => void;
 };
 
-export default function InventoryForm({ products }: Props) {
+export default function InventoryForm({ products, onCreated }: Props) {
   const [isPending, setIsPending] = useState(false);
   const [error, setError] = useState<string | null>(null);
   const [isOpen, setIsOpen] = useState(false);
@@ -108,7 +109,8 @@ export default function InventoryForm({ products }: Props) {
             throw new Error(data?.error || 'Kunde inte spara');
           }
           form.reset();
-          router.refresh();
+          if (onCreated) onCreated();
+          else router.refresh();
         } catch (err) {
           setError(err instanceof Error ? err.message : 'Okänt fel');
         } finally {