Adds a wai_backup_<PC>_<ts>.zip (robocopy /E of C:\Program Files\WAI + the x86
path) alongside the goCMM + PC-DMIS backups, indexed in cmm-backup-index.json.
Captures machine/controller content beyond the per-version PC-DMIS grab. Can be
multi-GB if WAI holds the full PC-DMIS 2016 install.
NOTE: this only CAPTURES it. sync-cmm-backups.sh + Restore-CMM still handle only
gocmm/pcdmis zips - staging/restoring the WAI zip needs those updated too.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2461804fc8