diff --git a/.claude/skills/pm-dispatch/references/platform-readings.md b/.claude/skills/pm-dispatch/references/platform-readings.md
index 5953c762e3..fff965f2a9 100644
--- a/.claude/skills/pm-dispatch/references/platform-readings.md
+++ b/.claude/skills/pm-dispatch/references/platform-readings.md
@@ -376,9 +376,11 @@
 - 强制档不得因不可用而降档 —— 那正是降档保险丝要拒的替换。
 - 本车道强制多是过宽的回忆:`dispatch-gates.mjs --tier PATH` 逐路径现推,路径线是下限非放行。
 - 该脚本只答自己那棵树:姊妹仓路径回 absent from this tree,姊妹仓的档位与条款②只能手推。
-- required checks 的名单是每仓事实,objectstack 六个:
+- required checks 的名单是每仓事实,objectstack 七个:
   `TypeScript Type Check` · `Lint & Repo Gates` · `Test Core` · `Dogfood Regression Gate` ·
-  `Build Core` · `Temporal Conformance (live PG + MySQL)`。
+  `Build Core` · `Temporal Conformance (live PG + MySQL)` · `Governed Surface Queue Guard`。
+- ⭐ 本表的 `mustName` 不要求排他 ⇒ 第七个加注册行不会让本表变红。
+- ⇒ ⛔ 门绿不是本行已对的读数:计数行只能手跟改。
 - `in_progress` 不是过;advisory 门禁红进 main 是共享损伤,照样止血立单。
 - ⛔ 聚合命令同样不作判定:`check:type-check-debt` 可在包级 typecheck 绿时红。
 - `check:i18n` 以 PREREQUISITE NOT MET(workspace CLI 未 build)退 3,不是漂移。
diff --git a/.github/workflows/governed-surface-guard.yml b/.github/workflows/governed-surface-guard.yml
index d7089e4a41..723c581cf5 100644
--- a/.github/workflows/governed-surface-guard.yml
+++ b/.github/workflows/governed-surface-guard.yml
@@ -19,8 +19,17 @@ on:
   # regime's healthy end state, and a check that reddens on the healthy case is
   # the permanently-red gate the 2026-08-18 ruling retired.
   pull_request:
-    branches:
-      - main
+    # ⛔ NO `branches:` filter either — the same permanent-pending wedge as the
+    # `paths:` note below, reached through the other axis of this same trigger:
+    # `paths:` decides which CHANGES start the workflow, `branches:` decides
+    # which BASE branches do. A `branches: [main]` filter means a PR based on a
+    # feature branch does not start this workflow at all, so `Governed Surface
+    # Queue Guard` publishes NO check run there — an ABSENCE, which branch
+    # protection holds as permanently pending rather than as a skip. A required
+    # context must report for ANY base, and this one is required: enrolling it
+    # in `scripts/check-required-contexts.mjs` brought this file under that
+    # registry's assertion 7c, which is the same defect #16482 cleared from
+    # `ci.yml` and `lint.yml` before this workflow was registered.
     # Naming `types:` REPLACES GitHub's default set rather than extending it,
     # so all three defaults are restated here (#8304). `ready_for_review` is
     # the addition and it is the point: flipping a governed draft to ready is
diff --git a/scripts/check-required-contexts.mjs b/scripts/check-required-contexts.mjs
index 005a2d58bc..33a88e427d 100644
--- a/scripts/check-required-contexts.mjs
+++ b/scripts/check-required-contexts.mjs
@@ -423,6 +423,22 @@ export const REQUIRED_CONTEXTS = [
       '2026-08-18 read, so it was applied somewhere between the two — no attestation names the day',
     carries: 'the live-server datetime conformance axis (#3912/#3942)',
   },
+  {
+    workflow: 'governed-surface-guard.yml',
+    job: 'governed-surface-guard',
+    // The one gate that governs the governed surface, and until this row the
+    // one live required context nothing pinned — `--verify-required-set` read
+    // it as `direction B` (required, pinned by NO registry row) from the day
+    // the enrolment landed until this row (#15233). Direction B is not
+    // direction A: #12427 fixed the guard running ADVISORY (not required at
+    // all); this pins the NAME it is required under. Neither implies the
+    // other, and the sweep counts them separately.
+    context: 'Governed Surface Queue Guard',
+    authorized:
+      '#12427 maintainer confirmation, closed `completed` 2026-08-27T07:51Z on the verbatim 「Governed Surface Queue Guard 已添加」 (comment 5436049459); ' +
+      'read back live in the ruleset sweep of 2026-09-10 that carries the director ruling enrolling this row (#15233)',
+    carries: 'the governed-surface refusal — the `merge_group` leg that refuses a governed diff carrying no ruled approval',
+  },
 ];
 
 /**
@@ -548,6 +564,11 @@ export const INSTRUCTION_SURFACES = [
       'Dogfood Regression Gate',
       'Build Core',
       'Temporal Conformance (live PG + MySQL)',
+      // The seventh, enrolled 2026-08-27 (#12427) and pinned here by #15233.
+      // The ledger's own count line is hand-followed prose, so it is this
+      // array — asserted against REQUIRED_CONTEXTS.length in `--self-test` —
+      // that makes the seat's copy of the required set non-optional.
+      'Governed Surface Queue Guard',
     ],
   },
   {
@@ -1703,10 +1724,17 @@ async function selfTest() {
 
   const root = scriptRepoRoot();
   const { parse } = await requireDependency('yaml', () => import('yaml'), import.meta.url);
-  const sources = {
-    'lint.yml': readFileSync(join(root, '.github', 'workflows', 'lint.yml'), 'utf8'),
-    'ci.yml': readFileSync(join(root, '.github', 'workflows', 'ci.yml'), 'utf8'),
-  };
+  // Every workflow the registry names, read from disk. A registered file left
+  // out here is not simply unexercised: `judge` reports it as never read
+  // (#4690), so EVERY fixture below inherits that finding and asserts against
+  // the wrong problem list. Derived from the registry so enrolling an eighth
+  // context cannot silently skip this step.
+  const sources = Object.fromEntries(
+    [...new Set(REQUIRED_CONTEXTS.map((e) => e.workflow))].map((file) => [
+      file,
+      readFileSync(join(root, '.github', 'workflows', file), 'utf8'),
+    ]),
+  );
 
   /** Judge the real workflows with one file's text replaced by `source`. */
   const withSource = (file, source) =>
diff --git a/scripts/pm/check-skill-line-ratchet.mjs b/scripts/pm/check-skill-line-ratchet.mjs
index a61ae58b64..e87301649c 100644
--- a/scripts/pm/check-skill-line-ratchet.mjs
+++ b/scripts/pm/check-skill-line-ratchet.mjs
@@ -846,7 +846,35 @@ export const CEILINGS = new Map([
   // line-neutral folds among this file's adjacent rule pairs, and re-wrap funding
   // is refused per the 2026-08-17 rule in any case. Landed count, headroom 0,
   // same convention.
-  ['.claude/skills/pm-dispatch/references/platform-readings.md', 449],
+  // Raised 449 → 451 by the TWELFTH readings increment, again under the STANDING
+  // one-file exception quoted above rather than a fresh decision card, and again
+  // recorded as a `ruledRaises` record citing it. Spent at ONE line per
+  // deduplicated reading, each written in this file's voice: this table's own
+  // `mustName` does not require exclusivity, so pinning a seventh registry row
+  // cannot turn the table red (+1); and its corollary — a green gate is
+  // therefore NOT a reading that the count row beside it is current, which is
+  // exactly what leaves that row hand-maintained (+1) = +2 exactly.
+  //
+  // ONE correction is paid in place and buys nothing: the required-checks row
+  // and its wrapped continuation, which said six and named six. The new count
+  // and the seventh name land inside the two lines that row already occupied.
+  //
+  // ⚠️ ONE candidate was REFUSED rather than trimmed, and the refusal is this
+  // corpus's own standard doing the work. The seventh context's entry date and
+  // the card that pinned it were drafted as a third line; that is provenance
+  // narrative carrying a date and two issue numbers, which `check-skill-id-lint`
+  // refuses outright and which the 2026-08-12 ruling keeps out of the scanned
+  // corpus altogether. Its one operative residue — that the registry can lag the
+  // real required set — is already what the corollary line above says, so the
+  // line was DELETED rather than bought, and this increment is +2 and not the +3
+  // it was drafted at. Candidates 3 / landed 2 readings / already present 0 /
+  // refused 1.
+  //
+  // Nothing else was paid in place: the fourth increment MEASURED zero
+  // line-neutral folds among this file's adjacent rule pairs, and re-wrap funding
+  // is refused per the 2026-08-17 rule in any case. Landed count, headroom 0,
+  // same convention.
+  ['.claude/skills/pm-dispatch/references/platform-readings.md', 451],
   // Per-operation REST/GraphQL/git channel mapping — which fleet operation has
   // a REST twin (each row executed in a real session, provenance date carried
   // per row), the handful that are GraphQL-only, and the queue-routing
@@ -1450,6 +1478,23 @@ export const CROSS_FILE_MOVES = new Map([
           date: '2026-09-12',
           delta: 24,
         },
+        {
+          // The TWELFTH increment, under the same STANDING exception — the same
+          // words again, for the same reason: a record that quotes no ruling is
+          // RED and each record stands alone. The +2 is accounted for line by
+          // line beside this entry's ceiling above, and the exception's own
+          // conditions (per-item verification and the candidate / landed /
+          // already-present / refused counts) are carried by the raising PR's
+          // dedup table and the seat's ACCEPT.
+          ruling:
+            'the standing one-file exception for'
+            + ' `.claude/skills/pm-dispatch/references/platform-readings.md` — pm-dispatch'
+            + ' SKILL.md, verbatim and untranslated: 「唯一例外:`platform-readings.md`'
+            + ' 增量抬上限到落地行数,免决策卡,记 `ruledRaises` 引常设裁决。条件:席位验收评论'
+            + '逐条核实、去重计数(候选/落地/已有/拒收)、一事一行、不计重排」',
+          date: '2026-09-13',
+          delta: 2,
+        },
       ],
       sources: [
         ['.claude/skills/pm-dispatch/references/lanes/cli.md', 35],