Extends a project's docker-compose.yml and Dockerfile after project-bootstrap's base generation — adds the database or messaging service a modeled use case needs, keeps the compose-side image tag consistent with the one test-architect pins in TestcontainersConfiguration.java, and syncs with 20-persistencia.md / 40-testes.md. Also owns the observability backend behind the OTLP collector: Jaeger, or Grafana + Tempo + Prometheus. Use when the request involves adding a service to docker-compose, containerizing a new dependency, configuring Testcontainers at the compose level, "docker-compose is missing the database", or wanting a dashboard, a trace UI, or somewhere to actuall…
