feat: improve notifications - fix auth code tg duplicate, double order notify, add PAID label, expand text, add deliveryFeeAdjusted event

client/src/entities/notification/api/notifications-api.ts

@@ -8,6 +8,7 @@ export interface UserNotificationSettings {
   orderStatusChanged: boolean
   orderMessageReceived: boolean
   paymentStatusChanged: boolean
+  deliveryFeeAdjusted: boolean
   createdAt: string
   updatedAt: string
 }

client/src/pages/me/ui/sections/NotificationsPage.tsx

@@ -16,6 +16,7 @@ const eventFields = [
   { key: 'orderStatusChanged' as const, label: 'Изменение статуса заказа' },
   { key: 'orderMessageReceived' as const, label: 'Сообщение в чате заказа' },
   { key: 'paymentStatusChanged' as const, label: 'Изменение статуса оплаты' },
+  { key: 'deliveryFeeAdjusted' as const, label: 'Корректировка стоимости доставки' },
 ]
 
 export function NotificationsPage() {