Single workflow with three jobs:
- backend-test: JDK 25, ./mvnw -B verify (Checkstyle, JUnit, ArchUnit, SpotBugs)
- frontend-test: Node 24, lint, type generation, type-check, unit tests, production build
- build-and-publish: Buildah image build + push with rolling SemVer tags (only on vX.Y.Z tags)
Includes research report and implementation plan.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
