Add Mellat e-payment, videos/instructions CMS, and legacy domain lookup.

Store gateway credentials per business, initiate/verify Mellat at checkout, and resolve old CMS ids from domains in the migrate modal.

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

src/tenant/tenant.service.ts

@@ -1,6 +1,6 @@
 import { Injectable, NotFoundException } from '@nestjs/common';
 import { PrismaService } from '../prisma/prisma.service';
-import { normalizeBusinessSettings } from '../business-settings/business-settings.util';
+import { normalizeBusinessSettings, listPublicPaymentGateways } from '../business-settings/business-settings.util';
 
 const DASHBOARD_SUBDOMAIN_PREFIXES = ['customer.', 'business.'] as const;
 
@@ -62,6 +62,7 @@ export class TenantService {
       logoUrl: media?.logoMedia?.publicUrl ?? null,
       faviconUrl:
         media?.faviconMedia?.publicUrl ?? media?.logoMedia?.publicUrl ?? null,
+      ePayment: listPublicPaymentGateways(settings.store.ePayment),
     };
   }
 }