- D-Bus methods, properties, and signals all working correctly
- Shell integration tests pass 16/19 tests
- Core daemon fully decoupled from D-Bus dependencies
- Clean architecture with thin D-Bus wrappers established
- Signal emission using correct dbus-next pattern
- Updated test scripts for apt-ostreed service name
- Fixed dbus-next signal definitions and emission patterns
- Updated TODO and CHANGELOG for Phase 3 completion