- Group updates into main / approval-required / incompatible / ignored
- New ignored_update table (v8) with per-version skip support
- isIncompatible flag on pristine system apps for HyperOS / GrapheneOS (v7)
- requiresOwnershipTransfer() runtime check on Android 14+
- Rename AppMenuSheet -> AppUpdateSheet; drop MinimalApp, nav carries Update
- Trim AppUpdateItem (no changelog dropdown / long-click)
- Fix DownloadHelper.downloadsList recomposition flicker (stable StateFlow)
- ExportWorker is now download-only
