Confirms the live chaotic soak eliminates the divergence this spec's
Headline Finding hypothesized (LSN-9 committed-prefix divergence,
round-4 election stall) -- not by synthetic unit tests alone, but by
the task 7.2 acceptance soak (3 independent PASS runs, zero divergence,
zero job loss, 6/6 clean elections).
Documents the full resolution chain (Phase 2 payload loss -> Phase 5
election liveness, 5 layers -> Phase 3 snapshot boundary -> Phase 6
end-to-end + single-seam verification -> Phase 7.1 full regression
sweep) and reviews the final behavior against all four raft/raft.tla
safety invariants (Election Safety, Leader Completeness, State Machine
Safety, Commit Ordering/Durability). No residual divergence remains
open under this spec; two items explicitly routed to their owning
specs rather than closed here (dormant heartbeat-driver path, soak
harness's transient committedLsn=0 read).
This closes the last task in raft-ha-core-safety (18/18 sub-tasks).
Rongsong Shen
2806a96c37