test: validate histories with the shared Porcupine model (4/6) - #380
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Adapt SDK outcomes to the pinned shared S2 Porcupine checker. Keep uncertain appends pending, match the shared rolling hash, and retain history/visualization artifacts on failure. Positive and negative histories verify the adapter before concurrent workloads use it. CI builds the pinned checker.
Review
appendFinish, deferred completions inhistory.finish, hash vectors, and the invalid-history controls inhistory_test.go.Validation: Harness race tests against real Lite, harness lint, and workflow validation passed. The sequential fuzzer and saved JSON trace replay passed. Shared-checker controls passed.
Part 4/6 replacing #375. Depends on #379. Next: #381.
Reviewable now; kept as a draft until its predecessor lands. After that merge, rebase onto
main, retarget this PR tomain, and mark it ready.