improvement for the backend api

lib/mocks/data/channels.ts

@@ -1,4 +1,4 @@
-import { TargetChannel, TargetChannelDetail } from "@/lib/types/api";
+import { TargetChannel } from "@/lib/types/api";
 
 // ============================================================================
 // Mock Target Channels Data
@@ -6,74 +6,24 @@ import { TargetChannel, TargetChannelDetail } from "@/lib/types/api";
 
 export const mockTargetChannels: TargetChannel[] = [
   {
-    id: "tc1",
+    id: "550e8400-e29b-41d4-a716-446655440010",
     telegram_id: -1001234567890,
     title: "Мой Главный Канал",
     username: "my_main_channel",
-    description: "Основной канал для продвижения продукта",
     is_active: true,
-    created_at: "2024-01-10T10:00:00.000Z",
-    updated_at: "2024-01-10T10:00:00.000Z",
-    total_purchases: 15,
-    total_subscriptions: 1250,
-    avg_cpf: 45.5,
   },
   {
-    id: "tc2",
+    id: "550e8400-e29b-41d4-a716-446655440011",
     telegram_id: -1009876543210,
     title: "Тестовый Канал",
     username: "test_channel_promo",
-    description: "Канал для тестирования рекламных креативов",
     is_active: true,
-    created_at: "2024-02-15T12:00:00.000Z",
-    updated_at: "2024-02-15T12:00:00.000Z",
-    total_purchases: 8,
-    total_subscriptions: 450,
-    avg_cpf: 52.3,
   },
   {
-    id: "tc3",
+    id: "550e8400-e29b-41d4-a716-446655440012",
     telegram_id: -1005555555555,
     title: "Новости и Обновления",
     username: null,
-    description: "Приватный канал для новостей",
     is_active: false,
-    created_at: "2024-03-01T08:00:00.000Z",
-    updated_at: "2024-03-20T14:30:00.000Z",
-    total_purchases: 3,
-    total_subscriptions: 120,
-    avg_cpf: 67.8,
   },
 ];
-
-export const getMockTargetChannelDetail = (
-  id: string
-): TargetChannelDetail | null => {
-  const channel = mockTargetChannels.find((c) => c.id === id);
-  if (!channel) return null;
-
-  return {
-    ...channel,
-    recent_purchases: [], // Will be populated from purchases mock
-    stats_by_period: [
-      {
-        period: "day",
-        subscriptions: 25,
-        cost: 1200,
-        cpf: 48.0,
-      },
-      {
-        period: "week",
-        subscriptions: 180,
-        cost: 8500,
-        cpf: 47.2,
-      },
-      {
-        period: "month",
-        subscriptions: 750,
-        cost: 35000,
-        cpf: 46.7,
-      },
-    ],
-  };
-};