[Liis17]

Summary

• macOS: double-click .hakobackup/.hakoworld opens Hako, validates archives, and shows a restore sheet.
• Sequential queue suppresses duplicate imports; works cold launch, closed window, and guest mode.
• Instance restore: replace exact match by UUID, or restore as new instance; pre-change confirmation; rollback on error.
• World restore: pick target instance, warn on differing Minecraft/loader/Fabric, replace or copy; NBT rename and cache invalidation.
• Binary types registered in Hako-Info.plist; one-shot UI and background cleanup on cancel.
• Windows unchanged.

Testing

• HakoTests pass on isolated data: instance restore, replace, collisions, profile preservation and playtime.
• World restore, NBT rename, datapacks, wrong-instance warnings.
• Corrupted ZIP, unsupported schema, missing required files, traversal paths.
• Cancellation, locked instance, insufficient disk space, SwiftData save rollback.
• New and legacy manifests, UUID after rename, ambiguous matches.
• Debug build without signing successful.
• UI opened via Finder from native window not run — app.control macOS unavailable.
• Windows CI not run.