feat: complete admin panel and backend admin api migration

apps/api/src/modules/orders/orders.service.ts

@@ -1,5 +1,5 @@
 import { Injectable, NotFoundException } from '@nestjs/common';
-import { OrderStatus, Prisma } from '@prisma/client';
+import { OrderChannel, OrderStatus, Prisma } from '@prisma/client';
 import { PrismaService } from '../../prisma/prisma.service';
 import { CatalogService } from '../catalog/catalog.service';
 import { LedgerService } from '../accounting/ledger.service';
@@ -80,6 +80,7 @@ export class OrdersService {
           orderNumber: this.generateOrderNumber(),
           customerId: dto.customerId,
           branchId: dto.branchId,
+          channel: dto.channel ?? OrderChannel.RETAIL,
           status: initialStatus,
           totalGoldWeightGrams,
           wageWeightGrams,