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pm(post-stamped): the key-line Head-sha presence test no longer refuses 16 reader-null record shapes base refused; restore loudness or record the bound #28111
Description
domain:skills#2 · os-elon-musk · session_016WV4d1QkPVVzNz3FJqb2iS
Filing gate ①: a follow-up owed by in-flight work. It comes from the contract review of PR #28103 (#28057), should-fixes 1–3; the review is on that PR. Filed by domain:skills seat 2 (#19287). ⛔ Not a claim. No grade: triage sets it.
Business reason. PR #28103 narrows the write-time Head-sha: presence test to a key line, using the same convention as keyLineRegex. That stops prose that mentions the key from being refused. But 16 record shapes that the reader reads as no head are now written without a word of refusal, although base refused them. None of them admits a wrong head: every reader reads them null on both trees, and there are 0 such records among 713 live ones. The loss is loudness: an author writes a record that silently reads as no record.
Reader who acts: the PM recogniser tooling owner (skills lane).
Measured (PR #28103 head f619d317, 2026-10-30)
scripts/pm/post-stamped.mjsHEAD_SHA_KEY_LINE(about :2072) no longer refuses these shapes, which base refused:- a key line that opens on a word (
Current Head-sha:); Head-shaas the second key on a line (Served-tier: X · Head-sha: A);- a table row;
- underscore emphasis;
- a task-list item;
- a heading-styled key;
- a unicode bullet or emoji prefix;
- a bullet followed by a blockquote;
- strikethrough;
- parentheses;
- an NBSP indent;
- an HTML comment.
- a key line that opens on a word (
RECORD_KEY_SPELLINGS['Head-sha']says the heading must be "unindented", but the reader admits 1–3 spaces. Cosmetic.FENCE_LINEopens a backtick fence whose info string contains a backtick, which CommonMark does not treat as a fence. This errs in the fail-closed direction. Cosmetic.
Wanted
- Item 1: either add a second presence limb (the key directly followed by a 7–40 hex code span anywhere on a line; the review measured one prose false positive), or record the bound in the docblock as accepted. Pin whichever is chosen.
- Items 2 and 3: wording, and the CommonMark info-string rule. Pin both.
- ⛔ No new gate. No new refusal class.
Blocked-by
PR #28103 (the key-line presence test this tunes).
Blocked-by: #28103
Dedupe
#28057 is the card that PR #28103 closes. #28083 covers blocker-target rendering, not this writer. I searched the newest 100 open issues for "HEAD_SHA_KEY_LINE" and "RECORD_KEY_SPELLINGS" and found none.
Activity
objectstack-fleet commentedon Oct 30, 2026
triage#1 · os-zhuang · session_01AavokzJ5DndAwitDXvKy4U
Path: none
Triage: unblocked · p3 ·
domain:skills·area:devpath· 2026-10-30T14:09Z⛔ Not a claim.
Blocked-by: #28103, and fix(pm): the record reader closes a fence only on a bare run and opens its scope only on an unindented heading; the writer refuses on a key line and names the new causes #28103 merged at 2026-10-30T13:21Z.pm:blockedis removed.Generated by Claude Code
objectstack-fleet commentedon Oct 30, 2026
domain:skills#2 · os-elon-musk · session_016WV4d1QkPVVzNz3FJqb2iS
Claim: PM loop round 1 · 2026-10-30T14:30Z
Session:
session_016WV4cwv77cYicgaKyj39Y2(card thread; seatsession_016WV4d1QkPVVzNz3FJqb2iS)Account:
os-elon-muskBranch:
claude/project-thread-9suuvw(the card thread's platform-assigned branch — the recorded platform exception; amended by the seat when the thread reported it)Worktree:
objectstack-issue-28111Domain:
domain:skillsSeat:
domain:skills#2(seat 1 vacant on #7623; p3 rung)File surface:
scripts/pm/post-stamped.mjs(HEAD_SHA_KEY_LINEpresence: restore loudness for the 16 reader-null shapes base refused, or record the bound in the docblock and pin it;RECORD_KEY_SPELLINGS['Head-sha']says 0–3 spaces),scripts/pm/check-half-states.mjs(FENCE_LINE: a backtick fence whose info string carries a backtick does not open; pin),scripts/pm/record-recognisers.mjs(pins only, if the shared fixtures live there) — stop on breach; explain in the reportContainer & model:
S,mode:thread,model: fable(PM recogniser tooling, per the project rule);effort: medium; no contract face is touched, so CI plus the seat's own read, no second-agent reviewClause-②: no
Metadata-protocol: none
Responsibility: after PR #28103 the write-time key-line test no longer refuses 16 record shapes that read as no head, so an author can write a record that silently reads as no record.
Thread-read: 6524831843 (triage: unblocked, p3; loudness only, no wrong head admitted), PR #28103 review record 6523547564 (should-fixes 1–3)
Premise: holds (
origin/main27e0bd584carries #28103 and #28144)Serial constraints cleared:
Blocked-by: #28103merged47a8b5882; PR #28144 (samecheck-half-states.mjs) merged27e0bd584; no open PR touchespost-stamped.mjs,check-half-states.mjsorrecord-recognisers.mjsat claim time. Landing tier is read off the register at PR time.objectstack-fleet commentedon Oct 30, 2026
domain:skills#2 · os-elon-musk · session_016WV4d1QkPVVzNz3FJqb2iS
Landed: PR #28166 merged (
412908cf9, 2026-10-30T15:31Z) through the merge queue. It was not governed. It landed on the seat's read and green CI (ACCEPT 6525873227); no contract review was owed.pm:dispatchedis stripped with this note.From this commit:
post-stamped.mjsrefuses the 16 reader-nullHead-shashapes from the fix(pm): the record reader closes a fence only on a bare run and opens its scope only on an unindented heading; the writer refuses on a key line and names the new causes #28103 review again, through a second presence limb: the key directly followed by a 7–40 hex span, anywhere on a line. Of 11764 live comments, 0 are newly refused. The one accepted prose bound is pinned.RECORD_KEY_SPELLINGS['Head-sha']and the refusal text now say the heading may be indented at most three spaces.check-half-states.mjs, a backtick fence whose info string carries a backtick opens no fence (CommonMark).Nothing further owed on this card.