governed: tier the register — Tier H stays human/approved, Tier S (.claude/**) lands on a contract-tier review of record

.claude/skills/pm-dispatch/SKILL.md

@@ -621,8 +621,8 @@ PM 的工作是循环:选卡 → 认领 → 派发 → 收集 → 复核 → 报
 - ④ 轮次报告单列 awaiting a human merge。
 - 已入队才读到本条 ⇒ 转 draft 与 disable 都做;出队以阳性探针答,ref 缺席只旁证。
 - skills 车道自有 PR:纯代码面如 `scripts/pm/` 由本席按达档自审(清单不减)后落地。
-- 受管面两层:事实层仅本技能 `references/`,其余为规则层(含发布 `skills/**` 与 SKILL.md)。
-- 规则层四件套等人批;事实层 PR(受管路径全在该目录)经席内达档复核后 ready → 入队。
+- 受管面两层:Tier H(规则层)= `AGENTS.md`+`CLAUDE.md`+`docs/adr/**`+`docs/NORTH-STAR.md`+发布 `skills/**`。
+- Tier S = `.claude/**` 全树;Tier H 四件套等人批;Tier S 经席内达档复核 PASS 在案后 ready → 入队。
 - 路径面干净的才转 ready → 入队;队列是唯一被认可的落地路径,⛔ 永不队列外合并。
 - 入队资格:每 check 绿或预期 skip,⛔ 非必查子集;名单 check-expected-skips.mjs 只判 objectstack。
 - 非必查红是真缺陷或坏门,归 PM 入队前处置;第三种按设计而红,三条全立才可带红入队:

.claude/skills/pm-dispatch/references/contract-review.md

@@ -43,7 +43,7 @@
 - 放宽 tell 由 `scripts/pm/check-widening-tells.mjs` 判,`no` 撞新键/成员/导出/登记即拒,附 file:line。
 - ③ PR check 全绿,⛔ 非 required 子集;例外:merge-base 同签名的红不计、按设计而红见 SKILL.md。
 - 签名 = 失败步 + 首错行,读 base check runs 的 API ⛔ 不凭口述;主干红止血立单不变。
-- 规则层等维护者的字;受管路径全在 `.claude/skills/pm-dispatch/references/` 者达档过本三条入队。
+- Tier H(规则层)等维护者的字;受管路径全在 Tier S 面(`.claude/**`)者达档过本三条入队。
 
 ## 降档保险丝(机读)
 

.claude/skills/pm-dispatch/references/core-rules.md

@@ -119,7 +119,7 @@
 - 停摆永不自愈,按梯度复位、三次即判不可靠重派;报告丢失时按草稿 PR 直接验收。
 - 复核对 GitHub 核验 ⛔ 不对自述核验,逐项过清单并亲核形态、范围与整包价值密度。
 - CI 收敛读数只属于复核侧;判决三种:验收落卡、返工最多两轮、升级走决策通道。
-- 验收后取路径面,命中规则层即分叉 ⛔ 不翻正式不入队;`references/` 席内达档复核后入队。
+- 验收后取路径面,命中规则层即分叉 ⛔ 不翻正式不入队;Tier S 席内达档复核 PASS 后入队。
 - 受管面 PR 留 draft 并向两个授权批准账户请审;契约卡无同形复核记录 PASS ⛔ 禁止入队。
 - 入队资格是每一个检查全绿 ⛔ 不是必查子集;碰生成物的 PR 入队前先同步再重生成。
 - 唯一例外:源码自述 pushed 上按设计而红、不跑 `merge_group`、评论记明门与因,三条全立。

AGENTS.md

@@ -252,40 +252,40 @@ localStorage / auth gotchas.
     When a cloud decision's **mechanism half** governs open code here, this repo carries its own ADR — own number, a
     `## Provenance` section naming the cloud record and its date, the commercial half left in cloud — and the cloud
     record gains a one-line pointer. Files never move between registries and numbers are never reassigned.
-14. **⛔ A governed surface is confirmed and merged by the maintainer, by hand — or confirmed by an authorized
-    approval and then landed by the owning seat; before that approval no AI seat merges, queues, or arms auto-merge on a
-    PR whose diff touches one.** The governed surfaces are `docs/adr/**`, `.claude/**` (agents, hooks and settings —
-    not only skills), `skills/**`, `AGENTS.md`, `CLAUDE.md` and `docs/NORTH-STAR.md` — the file you are reading is
-    one — and a mixed diff is governed whole on a single path hit. The register is the `GOVERNED_SURFACES` table in
-    `scripts/pm/check-governed-merges.mjs`; adding a surface is an edit *there*, never here, and `pnpm
-    check:pm-governed-prose` reds per-PR when this paragraph names fewer surfaces than the register — or more. When it
-    reds, name the surface here.
+14. **⛔ A governed surface lands only the way its tier allows — Tier H by the maintainer's hand or by an authorized
+    approval, Tier S by the owning seat on a contract-tier review of record; before that record no AI seat merges,
+    queues, or arms auto-merge on a PR whose diff touches one.** The governed surfaces are `docs/adr/**`,
+    `docs/NORTH-STAR.md`, `.claude/**` (agents, hooks and settings — not only skills), `skills/**`, `AGENTS.md` and
+    `CLAUDE.md` — the file you are reading is one — and a mixed diff is governed whole on a single path hit. The
+    register is the `GOVERNED_SURFACES` table in `scripts/pm/check-governed-merges.mjs`, each row carrying its tier;
+    adding a surface is an edit *there*, never here, and `pnpm check:pm-governed-prose` reds per-PR when this
+    paragraph names fewer surfaces than the register — or more. When it reds, name the surface here.
 
     **Authoring stays open to every seat** — drafting, pushing, opening and revising the PR. What is reserved is the
     **landing**: on a PR whose diff touches a governed surface ⛔ never merge, ⛔ never queue, ⛔ never arm
     auto-merge, ⛔ never flip it out of draft to make any of those possible — judged on the PR's **file list**, not
     its description; a **mixed diff is not a proportion question**, one path hit is enough; to land the rest, split off
-    the governed files. **Those four lift only for an authorized APPROVED review** — by an account in
-    `GOVERNED_APPROVERS` (`scripts/pm/check-governed-queue-guard.mjs`), on ANY commit and not dismissed. That word is
-    spent once per PR: the OWNING seat then lands it, later pushes included, re-queuing after an ejection or a rebase on
-    its own pre-landing check; this gate does not re-review it. Hand-authored governed content needs that approval; a PR
-    whose only governed paths are register rows the queue leg regenerates byte-exact clears with zero approvals — an
-    uncertified recompute, drift or a hand-authored sibling keeps it governed. Unapproved, no seat lands it: the
-    ending is that approval, then the owning seat. **Landing is tiered**: a PR whose governed paths all lie under
-    `.claude/skills/pm-dispatch/references/` lands through the queue after the skills seat's contract-tier review; every
-    other governed path is the rules layer and waits for the maintainer's word, which the director seat requests as ONE
-    batch of at most five rows — the approval stays the maintainer's click. ⛔ **No agent seat submits an approving
-    review on a governed-surface PR, under any account** — an authorized account is agent-operated too; "CI is green"
-    carries no information about a governance change.
+    the governed files. **The landing is tiered by the register; one Tier H path makes the whole PR Tier H.** **Tier H**
+    (人合: `docs/adr/**`, `docs/NORTH-STAR.md`, `skills/**`, `AGENTS.md`, `CLAUDE.md`): those four lift only for an
+    authorized APPROVED review by an account in `GOVERNED_APPROVERS`, on ANY commit and not dismissed; that word is
+    spent once per PR — the OWNING seat then lands it, later pushes included; the director seat requests the word as
+    ONE batch of at most five rows, and the click stays the maintainer's. **Tier S** (席内达档复核落地: all of
+    `.claude/**`): those four lift once the PR thread or its card carries a `## Contract review` record for the PR's
+    current head with `Served-tier: CONTRACT_REVIEW_TIER` and a PASS verdict, `check-clause2-carriers.mjs --pair N`
+    reads 0 and every check is green — the owning seat then lands it through the queue; the post-merge audit is the
+    compensating control. A PR whose only governed paths are register rows the queue leg regenerates byte-exact clears
+    with zero approvals — an uncertified recompute, drift or a hand-authored sibling keeps it governed. ⛔ **No agent
+    seat submits an approving review on a governed-surface PR, under any account** — an authorized account is
+    agent-operated too; "CI is green" carries no information about a governance change.
 
     **Already armed or queued when you read this?** Convert it back to **draft** AND disable auto-merge — draft is
     what removes queue membership, disabling alone drops only the arming — then confirm from the remote that it is in
     neither the queue nor `origin/main`. **Draft is no barrier by itself — the barrier is this directive**, and a
-    spent approval IS the review record, ⛔ not a relaxation. Behind it: the queue guard refuses an unpinned governed
-    diff; CODEOWNERS routes review requests for `docs/adr/` only, so nothing summons the maintainer on the other four;
-    the post-merge audit (`scripts/pm/check-governed-merges.mjs`) lists every governed-surface merge with its approver
-    and merger — a merger the maintainer does not recognise, or any agent approval, is a seat violation, filed and
-    rolled back. The rule has no exception for a seat to judge.
+    spent approval or a standing record IS the review record, ⛔ not a relaxation. Behind it: the queue guard refuses a
+    governed diff without its tier's record; CODEOWNERS routes review requests for `docs/adr/` only, so nothing summons
+    the maintainer on the other Tier H surfaces; the post-merge audit (`scripts/pm/check-governed-merges.mjs`) lists
+    every governed-surface merge with its approver and merger — a merger the maintainer does not recognise, any agent
+    approval, or a Tier S merge without a PASS record is a seat violation, filed and rolled back. No seat judges this.
 
 15. **⛔ A version release is performed by the maintainer, by hand — no AI seat publishes, tags, cuts a Release, or
     triggers a release workflow, and none merges the Version Packages PR.** A rule that binds every seat lives here,
@@ -797,7 +797,7 @@ working in its domain — browse the directory, never a hand-written list here:
 - `.claude/skills/` — repo-internal agent playbooks; every entry must carry
   `metadata.internal: true`.
 
-⛔ **Both roots are governed surfaces** — human-merge only, or **Prime Directive #14**'s pinned-approval path.
+⛔ **Both roots are governed surfaces** — `skills/` is Tier H, `.claude/skills/` Tier S (**Prime Directive #14**).
 
 ---
 
@@ -1059,8 +1059,8 @@ Both non-handshake shapes, and how to classify and probe your own:
    §7: never straight to `main`; never arm a PR that isn't green yet). A finished task
    = a merged PR, not a dirty working tree. ⛔ **Except a diff touching a governed
    surface** (Prime Directive #14 names them — more than ADRs): push it, open the PR, and stop
-   there; landing waits for the maintainer's word. For that class, a finished task = a PR
-   left visibly awaiting that word.
+   there; landing waits for its tier's record — the maintainer's word, or a seat's contract-tier
+   review. For that class, a finished task = a PR left visibly awaiting that record.
 3. **Add a changeset for anything that publishes.** Feature, functional improvement or fix — run `pnpm changeset`
    (or add a `.changeset/*.md` entry) describing it before committing. A bug fix in a released package takes a
    **`patch`** changeset — never none, and ⛔ never `skip-changeset`: that label is for a diff that publishes

scripts/pm/check-clause2-carriers.mjs

@@ -8132,11 +8132,17 @@ export async function selfTest() {
     created_at: '2026-09-16T10:00:00Z',
     body: contractReviewRecordLines({ headSha: PIN_HEAD, reviewedBy: 'session_01PINSEAT' }).join('\n'),
   };
+  // A Tier S path (the register's `.claude/**` row since #19133; the fact layer
+  // under it was the whole tier under #18020). The control below asks the
+  // register, so a row moving tiers reddens here instead of silently driving
+  // the approval leg.
+  const TIER_S_PATH = '.claude/skills/pm-dispatch/references/contract-review.md';
+  t('⛔ CONTROL: the fixture path is Tier S under the register, so the record leg is the one being driven', GUARD.governedTierFor([TIER_S_PATH]) === GUARD.TIER_S);
   const pinRun = async (where) => {
     const threadsRead = [];
     const verdict = await GUARD.runGuard({
       event: GUARD.EVENT_MERGE_GROUP,
-      rows: [{ sha: 'e'.repeat(40), subject: `x (#${PIN_PR})`, pr: PIN_PR, paths: [`${GUARD.REFERENCES_TIER_PREFIX}contract-review.md`] }],
+      rows: [{ sha: 'e'.repeat(40), subject: `x (#${PIN_PR})`, pr: PIN_PR, paths: [TIER_S_PATH] }],
       fetchReviews: async () => [],
       fetchPull: async () => ({ sha: PIN_HEAD, body: `Fixes #${PIN_CARD}`, headRef: `claude/issue-${PIN_CARD}-x` }),
       fetchComments: async (n) => {