Append a reversible SetConfig write+revert to runSelftestTask: read
GuestConfig, write a `description` marker, verify it landed, restore the
original (or delete if absent), verify the restore. Handles PVE's dual-mode
SetConfig return (empty UPID = synchronous; UPID = WaitTask+assert OK).
Live self-gate PASSED on demo-felhom / guest 9999. Findings:
- LXC `description` write is synchronous (empty UPID) — dual-mode modeling
confirmed; empty string is success, not an error.
- PVE appends a trailing newline to `description` on read; slice-4 reconcile
must normalize description comparisons (hence normDesc helper).
First live exercise of the VM.Config.* privilege cluster. Standing operator
token rotated during the run; new secret stored out-of-band, not in the repo.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Also overwrite REPORT.md with the live --selftest=task validation on demo-felhom
(snapshot/rollback/delete on guest 9999, exitstatus=OK under the felhom-agent@pve
privsep token; slice-1 mutating-ops gap closed, slice 4 unblocked). No version bump.
Token secret stored out-of-band, not committed.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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