remove demo code

apps/api/src/persistence/admin/AdminPersistenceModule.ts

@@ -1,11 +1,14 @@
-/**
- * Admin Persistence Module
- * 
- * Abstract module interface for admin persistence.
- * Both InMemory and TypeORM implementations should export this.
- */
-
 import { Module } from '@nestjs/common';
 
-@Module({})
+import { getApiPersistence } from '../../env';
+import { InMemoryAdminPersistenceModule } from '../inmemory/InMemoryAdminPersistenceModule';
+import { PostgresAdminPersistenceModule } from '../postgres/PostgresAdminPersistenceModule';
+
+const selectedPersistenceModule =
+  getApiPersistence() === 'postgres' ? PostgresAdminPersistenceModule : InMemoryAdminPersistenceModule;
+
+@Module({
+  imports: [selectedPersistenceModule],
+  exports: [selectedPersistenceModule],
+})
 export class AdminPersistenceModule {}