finding(skills): the seat mutex's reading 3 counts Claim: only on pm:dispatched cards — a session re-engaged on a pm:queue card's branch is invisible to it (collision measured 2026-09-05) #16004

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1. os-justin

   added

   finding

   on Sep 5, 2026
2. claude

   added

   documentationImprovements or additions to documentationImprovements or additions to documentation

   pm:queue

   domain:skills

   priority:p3

   and removed

   finding

   on Sep 5, 2026
3. os-steve commented on Sep 5, 2026

   

   os-steve

   on Sep 5, 2026 – with Claude

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   Graded by the skills seat (first touch, body read in full): domain:skills, documentation, priority:p3, pm:queue; finding removed at grading.

   Reading: the second shape is the rule, and it is the one the ownership design already implies — the branch is the identity, so a push to a card's claude/issue-N-* branch IS a claim and owes the Claim: comment reading 3 counts; a session that continues a prior shift's branch without one is the collision this card measured. Reading 3 then widens to pm:dispatched ∪ pm:queue cards whose branch moved since the last shift-end brief (one git ls-remote per card, the same probe the seat already uses for queue refs), counting a remote push as evidence of a live session even before the comment lands. Both fit one line in SKILL.md §入口与角色 (line-neutral at 811/811); the claim ↔ PR required check (#15845, devx) is the CI-side twin of the same fact.

   p3: one collision, caught by hand within the shift. Dispatch after the two SKILL.md flights at the terminal land (PR #15946, and #16003's line, which touches the neighbouring rows).

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4. os-steve

   self-assigned this

   on Sep 6, 2026
5. claude

   added

   pm:dispatched

   and removed

   pm:queue

   on Sep 6, 2026
6. claude commented on Sep 6, 2026

   

   claudeBot

   on Sep 6, 2026 – with Claude

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   Claim: PM loop round 8 — ONE SKILL.md flight (five folded cards, one file each way) under the five-gate fold test: same file, same register, no differing rulings, one dev, all XS. Members: #16004 (mutex reading 3 counts a branch push on pm:queue ∪ pm:dispatched cards), #16064 (line 538's second-claim order replaced by the AGENTS.md reading — the dev posts no second claim), #15897 (the dispatch template names dispatch-gates --commands + --ran, never the human-readable form), #15975's SKILL.md line (a Clause-②: yes claim hangs needs:contract-review on the card in the same write; the seat reads --pair N exit 0 before requesting review), #14768's SKILL.md hit (the 「报备后修」 fence form made executable), and #15961 (the core-rules.md digest line for the two decision-frame rules). Unblocked when PR #15946 and PR #16040 landed on SKILL.md.
   Session: session_019RfFHiRCSs3JXLK4cwcfox
   Branch: claude/issue-16004-skill-protocol-lines
   Worktree: objectstack-issue-16004
   Domain: domain:skills
   File surface: .claude/skills/pm-dispatch/SKILL.md (811/811, pin 342, line-neutral by folds) + references/core-rules.md (150/150, line-neutral). ⛔ No other file.
   Container & model: M, mode:subagent, contract tier — dispatch-gates.mjs --tier: SKILL.md hits clause ① (MANDATORY).
   Clause-②: no
   Serial: no open PR touches SKILL.md or core-rules.md (PR #15946 / #16040 landed 23:23Z / 23:50Z). GOVERNED ⇒ draft PR, in-seat review at contract tier, os-zhuang + hotlong, human merge, skip-changeset; at ACCEPT the seat adds needs-user-decision + the 维护者速读. The PR carries Fixes #16004, Fixes #16064, Fixes #15897, Fixes #15961; #15975 and #14768 are Refs (their other halves ride flight B).

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7. claude commented on Sep 6, 2026

   

   claudeBot

   on Sep 6, 2026 – with Claude

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   Container & model, amended by the seat at 05:0xZ: the flight was launched at the contract tier and the executor's first request was refused with HTTP 429 — the shared Fable allowance is exhausted (measured twice in one minute on this flight and its sibling). Under the measured quota exemption of the model-tiering ruling (fable unavailable ⇒ opus, never lower; the seat's contract-tier review compensates), the same brief is relaunched on opus; the branch, worktree and every ruling are unchanged. This note is the exemption's record.

   Timestamp correction (seat, 14:2xZ): the two 429 refusals were measured at 05:01Z and 05:02Z; this note was posted at 14:05Z, after the seat's own turns had been refused on the same limit from 05:34Z to 12:26Z and the maintainer's retry brought the session back at 14:04Z. The opus relaunch happened at 14:06Z, not 05:0xZ.

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8. claude commented on Sep 6, 2026

   

   claudeBot

   on Sep 6, 2026 – with Claude

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   os-dev-report

   {
     "issue": 16004,
     "status": "done",
     "branch": "claude/issue-16004-skill-protocol-lines",
     "pr": "https://github.com/objectstack-ai/objectstack/pull/16339",
     "premise_still_valid": true,
     "summary": "Six ruled protocol-line repairs landed on the two governed pm-dispatch text surfaces, both LINE-NEUTRAL with every added line paid by a fold in the same section. SKILL.md: reading 3 widened to `pm:dispatched` union `pm:queue` plus a branch push as a claim (1 line to 2, paid by folding the cross-seat-handwriting and readings-only-yield lines); line 534 now names `dispatch-gates.mjs --commands` with exits landed before any pipe and `--ran` reconciling, never the scraped human-readable form (1:1); line 538 rewritten to the AGENTS.md reading, the dev posts no second claim and verifies the newest `Claim:` names its branch (1:1); line 543's unexecutable 报备后 fence made allow-with-trace (1:1); one line added beside 647 so a `Clause-2: yes` claim hangs the gate on the card in the same write and reads `--pair N` at exit 0 before requesting review (paid by folding the `--tier` hint and enqueue-refusal lines). core-rules.md: one digest line for `Governing text:` plus the protocol-as-baseline rule, paid by folding the two recommendation-order lines. Landed counts SKILL.md 811/811 with the table pin 342 untouched, core-rules.md 150/150; the four-axis frame block is untouched and check:skill-frame-sync confirms the two copies still isomorphic. DEVIATION worth the seat's eye: the core-rules fold drops 「防错轴打破余下平局」 from the DIGEST — the rule itself survives in SKILL.md, so nothing leaves the corpus, but the digest no longer repeats it. Every premise in the brief verified on the tree before editing: 811/150, lines 81/534/538/543/647, core-rules 133-146, and the three flags the new rules name (`--commands`, `--ran`, `--pair`) all exist.",
     "tests": "Gate union run at d88c29c76a, this PR's head, AFTER the final commit. `node scripts/pm/dispatch-gates.mjs --commands --repo objectstack-ai/objectstack` derived 16 commands from the tree (a first derivation warned STALE TREE against a moved origin/main, so main was merged in and the list re-derived clean); every command run with its exit captured before any pipe, then reconciled: '✓ dispatch-gates --ran: 16 derived famil(ies) accounted for — 16 run, 0 NOT-MEASURED.' 16 of 16 green. One is worth naming: `pnpm --filter @objectstack/lint run check:doc-formula-expressions` first returned exit 3, the gate's own PREREQUISITE-NOT-MET code ('Nothing was measured … It is NOT a finding'); after `turbo run build --filter=@objectstack/formula --filter=@objectstack/lint` through the shared lock it re-ran at exit 0 — recorded as NOT MEASURED then MEASURED, never as a failure. Dispatch-named gates, quoted from their own verdict lines and never from a bare $?: 'check-skill-line-ratchet: SKILL.md is 811 lines (ceiling 811; headroom 0)', 'widest table row is 342 bytes (pin 342; headroom 0)', 'core-rules.md is 150 lines (ceiling 150; headroom 0)'; 'check-skill-id-lint self-test: 14 cases pass' + '25 file(s) clean'; 'check-skill-frame-sync self-test: 13 cases pass' + '2 copies of the decision frame are structurally isomorphic across 2 files'; 'check-governed-prose self-test: 28 cases pass' + '2 instruction surface(s) name all 5 registered governed surfaces'; 'check-governed-merges --self-test: 274 assertions'; 'check-half-states self-test: 2535 cases pass'. `check-governed-merges --test` on the PR's real paths returns exit 3 GOVERNED as expected (an argument-less first call correctly refused with exit 1 rather than answering 'not governed'). Whole-repo `pnpm lint` (eslint . --no-inline-config) ran IN FULL through scripts/pm/os-verify-lock.sh slot issue-16004: 'VERDICT command-exit 0 · held the lock 116s · waited 0s' — no narrowing taken, so none to declare. Byte discipline: every added line measured with LC_ALL=C awk at 97-119 bytes against the 120 cap; check:nul-bytes green plus a control-byte grep over the PR body (clean). H-row check: each of the 10 removed sentences grepped over scripts/ and .claude/hooks — 0 hits, with a positive control proving the grep reaches that corpus (check-half-states.mjs does quote SKILL.md-register phrases). No ablation was run: this diff is instruction text with no executable path to mutate, so an ablation would have nothing to measure. PR body read back from the API after creation and compared byte-for-byte against what was sent: identical except an auto-appended duplicate signature footer; left in place because a PATCH would demote the session-URL footer to the bare form. CI on this PR head has CONVERGED and is fully green: all 29 check runs on d88c29c76a completed — 17 success, 12 skipped, 0 failures, 0 cancelled. The last to finish was 'Lint & Repo Gates' (the whole-farm job, ~26 min), polled in the foreground to completion.",
     "mcp_calls": "1 — create_pull_request only. Every read (six cards with all comments, PR body read-back) and every other write (the additive skip-changeset label, the six report comments) went through the repo-scoped REST channel, probed first at HTTP 200.",
     "open_questions": [
       {
         "question": "#16064's triage comment names `SKILL.md:479` (家族派发的折叠认领:…每张成员卡各留认领评论并点名该分支) as a SECOND site ordering a per-member-card claim, and says both sites must be handled together. The ruling scoped this flight to :538 only. Reading :479 in its block (467-485), every line's subject is the PM's atomic pair — :467 派发前按序执行原子对, :469 ② 认领评论, :481 限流不拆原子对 — so :479 describes the PM's own folded claims across member cards, which is exactly what this flight's six claims are. On that reading it does not carry the dev-second-claim defect and needs no edit. Which reading governs?",
         "options": [
           "A — leave :479 as is (this flight's reading): its subject is the PM, so it orders the PM's folded claim per member card, not a dev second claim; no defect, no edit.",
           "B — rewrite :479 too, on the triage reading that it orders a per-member-card claim that a dispatched dev would also read as binding on itself.",
           "C — leave :479 but add a subject marker to it (e.g. naming the PM explicitly), so no future reader can take it for a dev instruction."
         ],
         "recommendation": "A, with C as a cheap follow-up card if the seat wants the ambiguity closed. Business need: the measured cost on #16064 is devs receiving a contradictory DISPATCH ORDER, and :479 is not copied into dispatch orders — it instructs the PM's claim step, so no measured instance traces to it. Long-term soundness: :538 was the defective line because AGENTS.md outranks it; :479 states no rule AGENTS.md contradicts, so rewriting it would be changing correct text on a misreading. AI-authoring safety: this is the axis that argues for C rather than A alone — a block whose subject is implicit is exactly where a future reader mis-attributes, and the triage seat already did; but the fix is a subject marker, not a rewrite of the rule. Startup-stage focus: B expands the diff beyond the ruling on a reading the tree contradicts, so it is the option to decline. ⛔ Not acted on either way in this flight — the ruling scoped the file surface to :538, and this is a flagged divergence for the seat, not a dev decision."
       }
     ],
     "out_of_scope_findings": []
   }

   Draft PR: #16339 (head d88c29c76a, skip-changeset hung and read back).
   Members of this flight: #16064, #15897, #15961 are Fixes on that PR; #15975 and #14768 are Refs (their other halves ride flight B).
   CI: converged green — 29 of 29 check runs completed on the head, 17 success / 12 skipped / 0 failures.

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9. os-zhuang

   closed this as completedin #16339on Sep 7, 2026
10. claude

    removed

    pm:dispatched

    on Sep 7, 2026
11. claude

    unassigned

    os-steve

    on Sep 7, 2026