Two clients restoring the same package could each swap directories and then
delete the other's pre-restore copy. The swap and retention cleanup now run
under flock on .<package>.restore.lock.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Backups no longer abort on a symlink: it is left out and listed (path and
target) in manifest.json, now written last. A hard link is stored as a copy of
its file. Restore removes older pre-restore copies of the same package.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Borrow expansion-file and save-management features with offline verification. Keep SideQuest page-only under its current access terms; document research, integration limits and device acceptance gaps.
Co-Authored-By: GPT-6 Astra <noreply@openai.com>
