- Add VERSION file (semver, manual bump) as single source of truth
- Add pyproject.toml with full PEP 621 metadata, simplify setup.py to shim
- Move CHANGELOG_DATA.txt install from /etc/ to /usr/share/pop-controld/
- Use absolute path in features.py for reliable changelog reading
- Update generate_changelog.py: group by month+author with branch creator attribution
- Update debian/control with proper Maintainer/Uploaders format
- Update debian/rules to read version from VERSION file
- Add MANIFEST.in to include VERSION in sdist builds
- Add .git check in Makefile before running changelog generation