Ship legacy migrate APIs, portfolio/blog old-id schema, and admin migrate/purge flows.

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

src/app.module.ts

@@ -32,12 +32,14 @@ import { WebsiteModule } from './website/website.module';
 import { InternalSslModule } from './internal-ssl/internal-ssl.module';
 import { WebsiteDocsModule } from './website-docs/website-docs.module';
 import { InvoicesModule } from './invoices/invoices.module';
+import { LegacyMysqlModule } from './legacy-mysql/legacy-mysql.module';
 
 @Module({
   imports: [
     ConfigModule.forRoot({ isGlobal: true }),
     PrismaModule,
     RedisModule,
+    LegacyMysqlModule,
     AuthModule,
     BusinessTeamModule,
     BusinessAdminModule,