The case R-117's spike called the worse half — a drive dying with no detach/return
cycle, which before agent v0.117.0 emitted nothing on any channel indefinitely.
Box runs 0.119.0. Aborted ext4 in place (abort,emergency_ro; device still present):
bound_under_parent went false, storage_disconnected fired, the storage page named
the stopped app, and calibre-web (whose library binds that drive) was STOPPED
rather than restarted onto the dead namespace. Recovery needed a full device close,
not a remount — exactly as the fix intends (BindAborted => quiet no-op).
Runner extended with the 7 atom families run 1 skipped: abort-fs-in-place,
kill-agent-mid-backup, hard-reset-VM-mid-write, reboot-VM, concurrent
backup+restore, concurrent backup+detach, fill-drive-near-full. Also fixes a run-1
flaw recorded in the audit: reboot was appended AFTER the shuffle so it never
interleaved with a detach; heavy atoms are now permuted in with the rest.
Run-1 evidence preserved as *-run1.* (cycle numbering restarts per run).
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