feat(api): improve notifications, reviews, search, and subscriptions modules

- Add listing-sold event listener with spec for notifications
- Add review-deleted event listener with spec for reviews
- Improve search handlers with proper Typesense client injection
- Improve subscription handlers with ConfigService and quota tracking

Co-Authored-By: Paperclip <noreply@paperclip.ing>

apps/api/src/modules/search/index.ts

@@ -1 +1,2 @@
 export { SearchModule } from './search.module';
+export { TypesenseClientService } from './infrastructure/services/typesense-client.service';