- Change consumers from @Injectable to @Controller for @EventPattern to work
- Move consumers from providers to controllers array in module
- Add subscribe.fromBeginning config to Kafka microservice
The consumers were not receiving messages because NestJS microservices
require @EventPattern handlers to be in @Controller classes, not just
@Injectable services.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>