for integrations/ rename Update GitHub Actions workflows to reference showcase/integrations/ instead of showcase/packages/. Fix Dockerfiles to dereference symlinks during COPY. Remove obsolete showcase_template-drift workflow. Update docker-compose, shell Dockerfiles, and registry paths.
The showcase framework directories better reflect their role as integration examples rather than distributable packages. Renames showcase/packages/ -> showcase/integrations/ and updates the test docker-compose file reference accordingly.