Release 0.2.0 feat: BackendRegistry integration with Spring Cloud Kubernetes - POST /api/runs gains 'backend' field for named backend resolution - GET /api/backends endpoint lists configured backends (for web UI) - Spring Cloud Kubernetes: native ConfigMap discovery + hot-reload - @ConfigurationProperties with Bean Validation (schema check at startup) - @RefreshScope: ConfigMap changes take effect without pod restart - fhir-frog-server dependency for shared BackendRegistry - Secrets via K8s secretKeyRef → env var interpolation in config Also includes (from prior commits on this branch): - Dockerfile for multi-arch container builds - GitLab CI pipeline for image publishing - Per-phase AI commentary notes (lazy, cached)