Move e-payment to Settings and add ZarinPal credentials.

Gateway config now lives on the general Settings page, with Mellat fields in a 3-column layout and ZarinPal available at checkout.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/business/src/pages/StoreSpecialsPage.tsx

@@ -158,11 +158,9 @@ export function StoreSpecialsPage() {
       setCreateOpen(false)
       showToast(t('website.specialItems.toastCreated'), 'success')
     } catch (err) {
-      if (err instanceof ApiError) {
-        setError(err.message)
-      } else {
-        setError(t('website.specialItems.errorCreate'))
-      }
+      const message = err instanceof ApiError ? err.message : t('website.specialItems.errorCreate')
+      setError(message)
+      showToast(message, 'error')
     } finally {
       setIsSaving(false)
     }
@@ -183,11 +181,9 @@ export function StoreSpecialsPage() {
       setEditSpecialTarget(null)
       showToast(t('website.specialItems.toastUpdated'), 'success')
     } catch (err) {
-      if (err instanceof ApiError) {
-        setError(err.message)
-      } else {
-        setError(t('website.specialItems.errorUpdate'))
-      }
+      const message = err instanceof ApiError ? err.message : t('website.specialItems.errorUpdate')
+      setError(message)
+      showToast(message, 'error')
     } finally {
       setIsSaving(false)
     }
@@ -362,7 +358,10 @@ export function StoreSpecialsPage() {
         <button
           type="button"
           className={fabStyles.addFab}
-          onClick={() => setCreateOpen(true)}
+          onClick={() => {
+            setError('')
+            setCreateOpen(true)
+          }}
           aria-label={t('website.specialItems.addFab')}
         >
           <Plus size={24} />
@@ -376,6 +375,7 @@ export function StoreSpecialsPage() {
         title={t('website.specialItems.createTitle')}
         submitLabel={t('website.create')}
         isSubmitting={isSaving}
+        error={createOpen ? error : undefined}
       />
 
       <StoreSpecialModal
@@ -387,6 +387,7 @@ export function StoreSpecialsPage() {
         title={t('website.specialItems.editTitle')}
         submitLabel={t('website.save')}
         isSubmitting={isSaving}
+        error={editSpecialTarget ? error : undefined}
       />
 
       <PickStoreSpecialItemsModal
@@ -410,6 +411,7 @@ export function StoreSpecialsPage() {
       <StoreItemDiscountModal
         open={!!discountTarget}
         productTitle={discountTarget?.productTitle ?? ''}
+        productNameFa={discountTarget?.productNameFa ?? ''}
         items={productItems}
         onClose={() => setDiscountTarget(null)}
         onSaved={mergeUpdatedItems}