When an OTA activation callback failed, the job had already been reported IN_PROGRESS and nothing updated it, so it sat there until redelivered, then failed as an image-state mismatch or self-test timeout.
From the Grok pain-radar digests, Oct 27-28 2026 (Oct 27 8:41 AM ET through Oct 28 7:41 AM ET digests plus the Haitch editions). Verified live 2026-10-28: issue/PR/thread read; title and state confirmed.