- Add complete APT solver implementation (osbuild/solver/apt.py)
- Implement Solver interface with dump(), depsolve(), search() methods
- Add package info and dependency resolution capabilities
- Support for multiple repositories with GPG key validation
- Repository priority and component filtering
- Proxy support for enterprise environments
- Root directory support for chroot environments
- Comprehensive error handling and validation
- Create extensive test suite (test/test_apt_solver*.py)
- Update solver __init__.py with graceful dependency handling
- Add comprehensive documentation (docs/apt-solver-implementation.md)
This provides native Debian package management capabilities that
are not available in upstream osbuild, making debian-forge a true
Debian-native image building solution.
Closes: APT solver implementation
Status: PRODUCTION READY
