Three journeys attempted; none promoted, and the reasons are recorded in
the ledger rather than rounded up.
MaxSessions=1 against real OpenSSH, with the cap read back from `sshd -T`
rather than assumed, and remote pids read on the container two
independent ways that must agree, each carrying its kernel start time.
Two disjoint mutations discriminate — one reddens only the reconnect
clause, the other only the two restart clauses. But the disconnect clause
is a forward guard: four separate guard removals left it green, so
nothing shipped is load-bearing for it.
Lazy discovery samples sshd's own accept log and live session census
across a 22s window with the in-use host as a positive control. No
mutation reddens its third clause alone — the real cross-host lease
scoping is load-bearing, but removing it breaks the sibling host during
setup, so the failure carries no clause information.
The paired-runtime skew spec pairs two real processes at different
versions and refuses to run rather than degrade into a same-version
pairing that would look green and prove nothing.
No production code changes.
Co-authored-by: Orca <help@stably.ai>