Rule 10: a PR goes Open when the rounds stop, whoever calls the stop

[Peeja]

Checks a reviewer can merge without waiting for

All of them. One file, AGENTS.md, markdown only — nothing compiles, parses or executes it. Every reference to it in the tree is a prose mention inside a comment:

$ git diff --stat origin/main HEAD
 AGENTS.md | 33 +++++++++++++++++++++++++-------

$ grep -rn 'AGENTS\.md' --include='*.yml' --include='*.yaml' --include='*.sh' \
      --include='*.go' --include='Makefile' .
./.github/scripts/finish-subtree-pull.sh:43,344,670
./.github/scripts/check-assert-released-version.sh:12
./.github/scripts/resolve-rewrite-conflicts.sh:58

What it costs if that is wrong: the ignored checks still run, and a red one after merge leaves main red.

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Two clauses of rule 10 became false when Petra decided a pull request should go Open as soon as the rounds are done. It said a PR "goes Open once a round comes back satisfied" and that "the flip is the human's to make, not the agent's". The trigger is the rounds ending, and a human calling enough ends them as surely as a satisfied round does.

Both places said it — the rule's one-line form in the numbered list, and the two-signals bullet in the section below — so the enumeration ran before committing rather than after. Nothing else in the tree repeats it:

$ grep -rn "flip is the human\|comes back satisfied\|until one comes back" \
      AGENTS.md MONOREPO_TODO.md .github/scripts/*.sh .github/workflows/*.yml
(no output)

Why a satisfied round cannot be the only way they end

This is the part worth reading; the wording change follows from it.

Measured across #18 and #19, which ran five rounds each:

	#19	#18
round 1	3 behaviour, 1 claim, 1 wrong premise	5 behaviour, 1 claim
round 2	2 behaviour, 1 claim	4 behaviour, 1 claim
rounds 3–5	0 behaviour, 9 claims	0 behaviour, 10 claims

Fourteen findings about behaviour in the first two rounds, none in the last three — which still produced nineteen findings, every one about a claim: a comment, a count, a pull request body.

Those sustain themselves, because each fix to a comment is a new comment the next round finds slightly off. One number could not converge at all: the run that measured plan's duration always postdated the sentence quoting it, so a single figure was the slowest sample, the range that replaced it was stale by its own next push, and only deleting the number fixed it.

The cause is structural rather than anyone's carelessness. release.yml's diff on #19 was ~305 changed lines and nearly all of it comments, so the rounds reviewed the commentary — and a reviewer briefed to verify every factual claim against the tree will always find something in that much prose.

Two instructions follow, and are now written down:

• scope each round to what changed since the last one, and
• skip the round when that is comments only.

Deliberately no review round on this one

By the rule it adds. This is a prose-only change to a prose file — precisely the case where the rounds have been shown not to converge — so running one would be the behaviour this pull request exists to stop. Flagging it rather than doing it quietly.

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