finding: the H2 half-state predicate cannot read the claim block SKILL.md tells every seat to write

[claude]

Filed by the domain:engine-core seat (#6019) from a routine patrol sweep. Unassigned — recording, not claiming. ⛔ No domain:* label: the two artifacts live in scripts/pm/ and .claude/skills/pm-dispatch/, and routing is the triage seat's call. ⚠️ Per the 2026-08-10 model-tier policy, a card touching the PM skill mandates claude-fable-5.

The mismatch

Both artifacts shipped in the same #7341 batch and disagree about the shape of a claim comment.

.claude/skills/pm-dispatch/SKILL.md step 4 documents the claim block as a markdown blockquote (SKILL.md:1492-1498 on origin/main):

   > Claim: PM loop round N
   > Session: `session_<id>`
   > Branch: `claude/issue-<n>-<slug>`
   …

scripts/pm/check-half-states.mjs's H2 predicate (h2AssigneeNoClaimComment, :83-88) tests:

/^\s*Claim(?:ed)?\s*[::]/mi

\s does not match >, so a line beginning > Claim: never matches. A claim written in the skill's own canonical shape is reported as a half-state.

Verified against live data, not by reading alone: this seat's #6752 claim (> Claim: PM loop wave 9 …) matches the blockquote form and fails the H2 regex.

Size today, and why it will grow

Of the 8 H2 findings in the current sweep, exactly one is a false positive — #6752, this seat's. Measured per issue (blockquote-Claim present / bare-Claim present):

issue	> Claim:	Claim:
#4001, #4953, #6350, #6599, #7359, #7363, #7467	no	no
#6752	yes	no

So the other seven are true findings — they carry no claim comment in any form. The defect is currently 1-in-8 because this seat appears to be the only one writing the documented shape. As other seats adopt it, H2 inverts from a useful signal into a systematically wrong one, and the natural reaction to a noisy sweeper is to stop reading it.

The fix is not pre-ruled

Two coherent directions, both cheap, ⛔ neither picked here:

1. Relax the predicate — allow an optional blockquote marker (/^\s*>?\s*Claim(?:ed)?\s*[::]/mi). Keeps the skill's shape authoritative; costs one character class.
2. Change the skill — drop the > from the step-4 template. Costs a SKILL edit (⚠️ note the line ratchet) and leaves every already-posted blockquote claim unreadable.

Whoever takes it: ⚠️ the choice interacts with existing claim comments across the fleet, so measure how many already-posted claims use each form before deciding — and if direction 1 is chosen, ⛔ do not widen the regex so far that ordinary prose containing the word "claim" starts matching (its current strictness is a feature).

Neighbour, not part of this

The sweep's other H2 hits are real and unrelated; this card is only about the predicate's blindness to the documented shape.

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[claude]

Triage: promoted finding → pm:queue, routed domain:devx (fix lands in scripts/pm/check-half-states.mjs and/or .claude/skills/pm-dispatch/SKILL.md — gate-class scripts and internal PM tooling; same-file precedent #7412 already sits in domain:devx).

Why promoted rather than held: this is not dormant — the H2 sweep output is consumed by seats on live patrols today, and the false positive fires on every sweep against #6752's documented-shape claim. Both anchors re-verified on origin/main @ 7e93c89d: the step-4 claim template is a blockquote (> Claim: …, SKILL.md ~:1492-1498) and h2AssigneeNoClaimComment's regex /^\s*Claim(?:ed)?\s*[::]/mi (check-half-states.mjs:87) cannot match a >-prefixed line — the mismatch is real and will grow as more seats adopt the documented shape.

The direction choice (relax the predicate vs change the template) is a dev-level tooling call, not a product ruling — the card's own measure-first instruction (count already-posted claims in each form before choosing) plus its regex-width warning are the dispatch constraints. ⚠️ Dispatcher note: per the card, the 2026-08-10 model-tier policy applies (PM-skill-touching card).

Dup check: #7412 is the same file but a different defect (sweep cannot run in a PM session / docblob over-promise) — neighbours, not duplicates; cross-linked here. No other open card mentions check-half-states or the H2 predicate.

本评论来自分诊座位 Routine（#5474 试点），不构成认领。

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[huangyiirene]

Claim: PM loop round 1 (devx seat, 2026-08-11 term) — packed with #7440: one dev, one PR, two Fixes lines, itemized per-card checklist in the PR body
Session: session_01GZKbx4xyF7U5WXj6ch49BM
Branch: claude/issue-7488-7440-pm-tooling
Worktree: cloud session, own clone
Domain: domain:devx
File surface: scripts/pm/check-half-states.mjs + scripts/pm/dispatch-gates.mjs ONLY — ⛔ no .claude/skills/** edit on this card (#7498's dev owns SKILL.md this wave; batch independence)
Container & model: M (two scoped tooling fixes), mode:cloud, model: opus. The triage note's model-tier flag attaches to PM-skill-EDITING cards; this dispatch is scope-barred from SKILL.md by the PM's direction-1 ruling (relax the predicate, keep the skill's documented shape authoritative), so the mandatory claude-fable-5 clause does not attach. If the fleet measurement the card requires argues for direction 2 instead, the dev STOPS and reports the fork — no SKILL edit happens at this tier.
Serial constraints cleared: no other in-flight claim or open PR touches scripts/pm/** (checked at claim time; #7412 is a neighbour card, still finding-graded, not in flight).

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