- Build matrix now includes variants: full + slim
- Tag slim images with -slim suffix and use Dockerfile target selection
- Use dedicated gha cache scopes per distro+variant
- Update release checks/retag/promote scripts to handle slim images too
https://chatgpt.com/share/69701a4e-b000-800f-be7e-162dcb93b1d2
- Make TEST_DEPLOY_TYPE strictly required in build-test-matrix
- Enforce required env vars in all act/ci/local deploy scripts
- Add deploy type validation everywhere
- Restore and export PYTHONPATH in Makefile
- Remove unused test directory variables
https://chatgpt.com/share/69700042-3fcc-800f-8bf9-b429d5bb7e82