Hub: GFS retention (7d/4w/3m, ~14 versions) in new infra_backup_versions
table. Recovery endpoint supports ?version=ID. New /versions API endpoint.
Dashboard shows backup history.
Controller: local drive backups rotated into history/ (last 5 versions).
Setup wizard shows version picker for Hub restores when multiple versions
exist. Scan results enriched with app names, disk count, history badge.
Local restore supports historical versions.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
