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Clarify mutation eligibility across replay

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ms2k 2026-07-13 18:33:42 +09:00
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docs/spec/api/README.md
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@ -25,6 +25,9 @@ Renew, progress, and outcome use attempt ID, fencing token, worker incarnation,
and `operation_id`. Each operation identity retains a request fingerprint. An
exact replay has the original effect; a changed worker, fence, payload, stale,
or non-authoritative tuple returns `precondition_failed` without mutation.
First observation is accepted only when the corresponding `JobProtocol` action
is enabled. Later eligibility changes do not alter a stored response, while a
fresh operation is evaluated against current eligibility.
[`RemoraApiMutation`](../../protocol/RemoraApiMutation.tla) models this durable
operation ledger around an abstract successful `JobProtocol` effect. It does