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- Update CI workflow to build separate backend/frontend images via matrix - Push to both ghcr.io and registry.cklnet.com - Add private registry login step with secret credentials - Keep existing metadata-action tags and multi-platform builds - Update CHANGELOG.md and docs/TODO.md Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com> Agent-Logs-Url: https://github.com/christianlouis/pop_puller_to_gmail/sessions/05b6d21a-2397-4039-9c69-46db79ec11de