The state-transition spec gains the rule that attempt identity lives in the
record, because a precondition can only be atomic with the commit if the
transaction can read it under its own lock, and checking attribution beforehand
leaves a window a re-dispatch fits through.
The operations note gets the same, plus the reason it is an opaque token rather
than the iteration counter: iteration already means the loop round, so comparing
a dispatch attempt against it is vacuous when they agree and wrong when they
diverge.
It also marks my earlier section as partly withdrawn rather than quietly editing
it. That section argued a record schema change was unnecessary because the
attempt guard lives in the evidence layer. That was right about comparing
evidence to a dispatch and wrong about atomicity, and the review proved the
difference by execution. The narrower point it made -- why not to reuse
iteration -- still holds and is kept.
Also records why the subscriber now deduplicates on the intent identity: a
replay arrives with a fresh wire sequence, so the monotonic guard cannot see it.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UrDNJkHmm18uu7n7JwV5Qd
GodopuandClaude Opus 5
9a651ccc71