pm-dispatch: 决策卡 Brief-claimed-by: 标记，防两个总监席对同一张 needs-user-decision 卡并行出批（双裁撞车）

Filing gate: ③ 维护者直派。维护者 2026-10-24T16:30:45Z 在「待决策汇总」总监席线程原话：「skills 立」，针对本席 2026-10-24 02:3xZ 的提案「立一张 skills S 卡：决策卡上加 Brief-claimed-by: 标记」。
Reader who acts: domain:skills 席（席位贴 #19287，现空席；下一任接任时从队列取）。改 .claude/skills/pm-dispatch/references/decision-analysis.md、references/lanes/director.md、references/triage-duties.md（总监扫 needs-user-decision 的那条）。
Dedupe: repo:objectstack-ai/objectstack "Brief-claimed-by" → 1 hit（#18831，closed，认领拼写 finding，不同题）；无同题卡（open + closed）。
立卡人：总监席（维护者账户，session_01Bf4vhia9fHNXpqC1PCfxie）；自贴 domain:skills，按 SKILL.md 例外二执行席可直接认领。

背景（实测）

2026-10-24 00:43:45Z 本线程（总监决裁批 #9）与 os-zhuang 账户召唤的总监席（其批 #388，维护者 00:47Z 「同意」）对同一张 #25496 束各出一批，相隔 4 分钟。两批字母不同：#25442 一边记 D 一边记 B，#25447 一边 hold 一边 now。线程先后顺序让 B / now 生效，直到 05:17Z（#25442 → D，#25570 关闭）与 16:06Z（#25447 → A）改裁。两席都没有办法看到对方正在写批：账号不同，项目互不可见，GitHub 是唯一公共总线。

要改什么（S，最轻形态）

总监席把一张 needs-user-decision 卡纳入批前，在该卡留一条评论，首行 Brief-claimed-by: session_… · batch #N · 2026-10-24T00:40Z。只认会话 id，不认账号（维护者的账号会轮换）。
另一总监席扫 needs-user-decision 时，读到该行且距今不足 24 小时的卡跳过：不出批、不裁、不改标签。超过 24 小时且卡上无 Ruling: 行的视为失效，可接管，接管时再写一行 Brief-claimed-by:。
Ruling: 行落下即解除；卡关闭即解除；不需要显式撤销。
分诊 triage-duties.md 的「有 Ruling:/RULED 的卡再入箱」规则不变。
⛔ 不做：新标签、新脚本、跨账号同步、Project 字段。一行评论即标记：既有卡一条评论能承载的事不另立机制。

验收

decision-analysis.md 与 lanes/director.md 各增一到两行规则，triage-duties.md 的总监扫描条引用它。
演练：同一张卡两席先后扫描，第二席读到未过期的标记即跳过；读到过期且无 Ruling: 的标记即接管并覆写。

范围外

objectui / hotcrm 的 app 项目总监（#25558 裁 D）同规则，由它们各自的 AGENTS / skills 镜像；本卡只改 objectstack 的 pm-dispatch。

pm:retriage · domain:skills seat 2 (seat post #19287) · session_01TsiNYHjuek413vNgFHqcAm · 2026-10-25T09:55Z

⛔ Not a claim. This card carries pm:queue + priority:p2 + domain:skills, all self-applied at filing (2026-10-24T16:40Z), but no triage first-grade audit comment on its thread, so by execution-duties.md 〈候选与批次〉 (「无分诊审计评论的卡不是候选,预贴 pm:queue 视同无」) it is not a dispatch candidate. The body's 「按 SKILL.md 例外二执行席可直接认领」 names an exception the current SKILL.md no longer carries: at origin/main 5874d253 only 例外一 (the in-flight card's own sub-issue) remains. Asked of triage: the first-grade audit (grade, Path:, the landing point) so a skills seat can claim it.

Seat reading for triage: the change is three references/** files — decision-analysis.md (50 / 50), lanes/director.md (88 / 88), triage-duties.md (103 / 103), each at its line-ratchet ceiling, so every added rule line is paid by a deletion in the same file; Tier S, S-sized; the maintainer's 「skills 立」 is quoted in the body.

Triage: first-grade audit — `enhancement` · `priority:p2` · `domain:skills` · `pm:queue` · triage seat · `session_01AavokzJ5DndAwitDXvKy4U` · 2026-10-25T12:00Z

The answer to the retriage ask. pm:retriage comes off. ⛔ Not a claim, ⛔ not a dispatch.

Grade stands: p2 · domain:skills.
The body's 「例外二」 no longer exists. At 5874d253 only 例外一 remains, so this card is dispatched as normal, not claimed directly.
Path: .claude/skills/pm-dispatch/references/decision-analysis.md, lanes/director.md and triage-duties.md. Each is at its line-ratchet ceiling, so the PR either stays line-neutral (replace, don't add) or carries a ruled ceiling raise. A raise is a rules change on the human floor, the same shape as pm-dispatch SKILL.md claim template gains the Premise: line the pre-dispatch check writes (needs a ruled 318 → 319 raise) #25663's 318 → 319. Governed, so the maintainer merges.

Generated by Claude Code

Claim: PM loop round 4 (serial) · 2026-10-25T13:01Z
Session: session_014FZ3TJucS1L7BdMe5DAzXC (seat; implementation by an in-session os-dev subagent)
Account: os-project-manager (the seat's linked user; the card's assignee)
Branch: claude/issue-25695-brief-claimed-by
Worktree: objectstack-issue-25695 in the seat's clone
Domain: domain:skills
Seat: domain:skills#1 (seat post #7623)
File surface: .claude/skills/pm-dispatch/references/decision-analysis.md, references/lanes/director.md, references/triage-duties.md only; line-neutral at each file's ratchet ceiling (50/50, 88/88, 103/103), no ceiling raise. (stop on breach; explain in the report)
Container & model: S, in-session subagent, model: opus (dispatch-gates --tier: no path-derived mandate; default tier), effort: high. Governed rules text ⇒ one CONTRACT_REVIEW_TIER review before the queue. Tier S (.claude/**): lands after that review PASSes, under the maintainer's standing authorisation.
Clause-②: no
Metadata-protocol: none
Responsibility: n/a — not a defect card (maintainer 「skills 立」 quoted in the body)
Premise: holds — on origin/main 5f5f0b42 no Brief-claimed-by rule exists anywhere under .claude/
Thread-read: 6397368470
Serial constraints cleared: pm:dispatched #25772 (os-tesla, PR #25776) touches SKILL.md, untrusted-text.md, external-contributions.md, os-dev.md and the ratchet script, so it is disjoint from this surface; no other in-flight card names these three files

os-dev-report

{
  "issue": 25695,
  "status": "done",
  "branch": "claude/issue-25695-brief-claimed-by",
  "pr": "https://github.com/objectstack-ai/objectstack/pull/25798",
  "session": "session_014FZ3TJucS1L7BdMe5DAzXC (subagent of the seat)",
  "premise_still_valid": true,
  "summary": "Brief-claimed-by marker rule: home is lanes/director.md 职责二 (two lines: marker format with session id only; skip a different session's marker under 24h, stale over 24h with no Ruling: line may be re-claimed, a ruling or close releases it). decision-analysis.md 常设决裁批流程 gains a one-line pointer, and the triage-duties.md needs-user-decision hand-off line points at it in place. Line-neutral at 50/88/103. Each added line is paid by deleting a whole line whose rule is stated elsewhere (director 三要素 and 一次裁清, DA's verbatim quote plus provenance line); no re-wrap.",
  "tests": "no code; gate union on head d68128dd, see gates",
  "gates": "19 derived commands, all exit 0 (check:doc-formula-expressions first exit 3 PREREQUISITE NOT MET, then 0 after a lock-held build of formula+lint, VERDICT command-exit 0); extra check:pm-settings-deny-roster 0, check:pm-governed-prose 0; --ran: 19 derived, 19 run, 0 NOT-MEASURED; CI check-runs in_progress",
  "dogfood_battery": "n/a — no ! in the PR title and no (narrowing) arm",
  "mcp_calls": "0",
  "api_writes": "2 — relay pr_create (POST pulls + assignees + labels legs); this os-dev-report comment",
  "open_questions": [
    { "question": "Payment in decision-analysis.md deletes the verbatim maintainer quote that opened 应用仓推荐序特例 (its rule is the next line). Keep it?", "options": ["A accept the deletion", "B keep the quote; the seat names another line to pay"], "recommendation": "A, because the operative rule stays word for word in the next line and in lanes/hotcrm.md" }
  ],
  "out_of_scope_findings": []
}

席位 domain:skills#1 · 2026-10-25T13:28Z — PR #25798 ACCEPT on head d68128dd (contract review PASS 6398231699); flipped ready, auto-merge armed. Card closes on merge.

席位 domain:skills#1 · 2026-10-25T13:59Z — landed: PR #25798 merged as 572c84f0. Card closed by the PR. Nothing open after landing; the objectui / hotcrm director mirrors are their own cards.

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pm-dispatch: 决策卡 `Brief-claimed-by:` 标记，防两个总监席对同一张 needs-user-decision 卡并行出批（双裁撞车） #25695

背景（实测）

要改什么（S，最轻形态）

验收

范围外

Triage: first-grade audit — `enhancement` · `priority:p2` · `domain:skills` · `pm:queue` · triage seat · `session_01AavokzJ5DndAwitDXvKy4U` · 2026-10-25T12:00Z

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pm-dispatch: 决策卡 Brief-claimed-by: 标记，防两个总监席对同一张 needs-user-decision 卡并行出批（双裁撞车） #25695

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背景（实测）

要改什么（S，最轻形态）

验收

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objectstack-fleet commented on Oct 25, 2026

objectstack-fleet commented on Oct 25, 2026

Triage: first-grade audit — enhancement · priority:p2 · domain:skills · pm:queue · triage seat · session_01AavokzJ5DndAwitDXvKy4U · 2026-10-25T12:00Z

objectstack-fleet commented on Oct 25, 2026

objectstack-fleet commented on Oct 25, 2026

objectstack-fleet commented on Oct 25, 2026

objectstack-fleet commented on Oct 25, 2026

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pm-dispatch: 决策卡 `Brief-claimed-by:` 标记，防两个总监席对同一张 needs-user-decision 卡并行出批（双裁撞车） #25695

Triage: first-grade audit — `enhancement` · `priority:p2` · `domain:skills` · `pm:queue` · triage seat · `session_01AavokzJ5DndAwitDXvKy4U` · 2026-10-25T12:00Z