# Launcher Upgrade Tasks

- [x] Convert `LanMountainDesktop.Launcher` to Avalonia launcher entry.
- [x] Add OOBE window with first-run marker handling.
- [x] Add splash window for every startup.
- [x] Implement unified command parsing with default `launch`.
- [x] Keep legacy plugin install args compatibility.
- [x] Add plugin pending upgrade queue processing.
- [x] Implement incremental update apply with signed file map.
- [x] Implement snapshot-based rollback and manual rollback command.
- [x] Add update check/download/apply/rollback CLI commands.
- [x] Add launcher spec files under `.trae/specs/launcher-upgrade/`.