@@ -163,8 +163,10 @@ jobs:
       crosspkg: ${{ github.event_name != 'merge_group' && steps.changes.outputs.crosspkg || 'true' }}
       # The objectui tree under `ui/` (objectstack#25677). Three outputs, read
       # together by the four `* UI` jobs at the bottom of this file:
-      #   ui            — a path under ui/, or a root file the ui jobs build
-      #                   from (the lockfile, the workspace, turbo.json, ci.yml);
+      #   ui            — a path under ui/, a root file the ui jobs build from
+      #                   (the lockfile, the workspace, turbo.json), or a root
+      #                   the ui gates read (every root workflow, the prompts,
+      #                   the objectui skill bundle; see the filter below);
       #   ui_consumers  — one of the seven packages objectui installs from this
       #                   tree changed, so the Console is compiled (Type Check
       #                   UI) and built (Build & E2E UI) against the new shape in
@@ -446,14 +448,29 @@ jobs:
               # narrower audits entry is left as the package that declared it
               # spelled it, exactly as the two narrower `skills/` entries were.
               - 'docs/**'
-            # The objectui tree and the root files the ui jobs build from. A
-            # change to the guard runs the guard, so ci.yml itself is listed.
+            # The objectui tree, the root files the ui jobs build from, and the
+            # three roots outside ui/ that the ui jobs' gates and tests read
+            # (objectstack#25712):
+            #   - every root workflow, not ci.yml alone: Lint UI's pre-install
+            #     import graph check scans all of `.github/workflows/` for ui
+            #     scripts run before an install. ci.yml, the guard itself, is
+            #     one of them. Measured over the 211 merges of the 7 days before
+            #     this entry: 3 changed another workflow and no ui path;
+            #   - `.github/prompts/**`, where objectui's prompts moved in
+            #     objectstack#25957 and which Lint UI's prompt-keys check reads;
+            #   - `skills/objectui/**`, objectui's skill bundle since
+            #     objectstack#26097. Lint UI's skill gates (skills-paths,
+            #     skill-examples, skill-eval-tokens, doc-json,
+            #     shell-escape-residue) and Test UI's skill readers find it
+            #     through `ui/scripts/skill-bundle-root.mjs`.
             ui:
               - 'ui/**'
               - 'pnpm-lock.yaml'
               - 'pnpm-workspace.yaml'
               - 'turbo.json'
-              - '.github/workflows/ci.yml'
+              - '.github/workflows/**'
+              - '.github/prompts/**'
+              - 'skills/objectui/**'
             # The seven packages objectui installs from this tree (the set its
             # `.objectstack-pin` used to pack). A change here compiles and builds
             # the Console in the same PR — the check the retired Spec Shape Gate
@@ -3797,10 +3814,11 @@ jobs:
       # when the tree moved under `ui/` (it reads only this repository's
       # `.github/workflows/`), and which objectstack#25712 deleted with the
       # rest of `ui/.github/workflows/`. They judge what objectui ships
-      # — `ui/content/docs/**`, `ui/skills/**`, the package READMEs and the
+      # — `ui/content/docs/**`, the skill bundle (`skills/objectui/**` at the
+      # repository root since objectstack#26097), the package READMEs and the
       # documented component types — so the change most likely to trip them is
       # a docs-only or skills-only PR, which the `filter` job's `ui` globs
-      # already include.
+      # include.
       #
       # Ported as that workflow ran them, in its order: the install-free gates
       # here, before the install; the gates that read built `dist/*.d.ts` after
@@ -3883,6 +3901,18 @@ jobs:
         if: ${{ !cancelled() }}
         run: pnpm install --frozen-lockfile
 
+      # The spec liveness ledger cites the renderer in-repo, under ui/
+      # (objectstack#26150), so a ui/ change can delete a file a ledger row
+      # cites, move a cited line past the end of its file, drop an anchored
+      # symbol or stop naming the cited key. Spec Liveness Check does not run on
+      # a ui/-only pull request (its `paths:` are the spec side) and is not a
+      # required context, so the gate runs here too, where every ui/ change
+      # starts it (objectstack#25712 F26). It runs tsx over spec's sources and
+      # needs the install alone; about 3 s.
+      - name: Spec Liveness Check — Check the liveness ledger's citations, ui/ included
+        if: ${{ !cancelled() && steps.install.outcome == 'success' }}
+        run: pnpm --filter @objectstack/spec check:liveness
+
       - name: Build the @objectstack packages objectui consumes
         run: |
           pnpm exec turbo run build --concurrency=4 \
 
@@ -410,13 +410,15 @@ describe('the gate is wired, not merely present', () => {
     // Deliberate: its input is the workflows themselves, and a workflow edit is
     // the change most likely to break it. A filter would also make the check
     // unrequirable (objectui#3523). The root trigger filters no path; the job
-    // runs on the `filter` job's `ui` globs, which must match the workflow
-    // whose steps are the population today and the gate itself.
+    // runs on the `filter` job's `ui` globs, which must match EVERY root
+    // workflow, not only ci.yml, whose steps are the population today: the scan
+    // reads them all, so a ui step added before an install in any one of them
+    // is this gate's subject (objectstack#25712) — and the gate itself.
     const on = withoutComments(triggerBlock(ci));
     expect(on).not.toMatch(/paths-ignore:/);
     expect(on).not.toMatch(/^\s+paths:/m);
     const globs = uiFilterGlobs(ci);
-    const missed = ['.github/workflows/ci.yml', repoPath(SCRIPT)]
+    const missed = [...rootWorkflowFiles().map((file) => `.github/workflows/${file}`), repoPath(SCRIPT)]
       .filter((file) => !globs.some((glob) => globMatches(glob, file)));
     expect(missed, `a change to these would skip ${WORKFLOW}`).toEqual([]);
   });
 
@@ -45,6 +45,7 @@ import {
   scanPromptSections,
 } from '../check-prompt-component-keys.mjs';
 import { INDIRECT_REGISTRATIONS, deriveRegistryKeys } from '../check-doc-component-types.mjs';
+import { globMatches, jobBlock, rootCi, uiFilterGlobs, uiRun, UI_JOBS } from './helpers/root-ci';
 
 const repoRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '../..');
 /** The repository root, whose `.github/prompts/` the live prompts sit in (objectstack#25712). */
@@ -312,7 +313,8 @@ describe('wiring', () => {
   // this gate. objectstack#25880 ports the `repo-gates.yml` gates (row 24 of
   // the objectstack#25697 workflow roster) into the root `Lint UI` job and
   // brings these pins back against that job, by path. That case's import-graph
-  // walk reads no workflow and stays below.
+  // walk reads no workflow and stays below. The Lint UI home and the filter that
+  // starts it on a prompts-only change are pinned by the second case below.
 
   it('is exposed as a root package script', () => {
     const pkg = JSON.parse(fs.readFileSync(path.join(repoRoot, 'package.json'), 'utf8')) as {
@@ -321,6 +323,22 @@ describe('wiring', () => {
     expect(pkg.scripts['check:prompt-keys']).toBe(`node ${SCRIPT}`);
   });
 
+  it('runs in Lint UI, which a prompts-only change starts: the root `ui` filter covers the prompt surface', () => {
+    // The prompts left `ui/` for the repository root's `PROMPT_DIR`
+    // (objectstack#25957), where `ui/**` does not reach them, so a prompts-only
+    // pull request started no ui job until the filter named that root
+    // (objectstack#25712).
+    const ci = rootCi();
+    const lint = jobBlock(ci, UI_JOBS.lint);
+    expect(lint).toContain(uiRun('check:prompt-keys'));
+    expect(lint).toContain("needs.filter.outputs.ui != 'false'");
+    const probe = `${PROMPT_DIR}/any.prompt`;
+    expect(
+      uiFilterGlobs(ci).some((glob) => globMatches(glob, probe)),
+      `no \`ui:\` filter glob covers ${PROMPT_DIR}/`,
+    ).toBe(true);
+  });
+
   it('needs no install: its import graph reaches no package', () => {
     // Walk the WHOLE static import graph, not just this gate's first line: it
     // imports a sibling gate, and "needs no node_modules" has to stay true of
 
@@ -16,6 +16,8 @@ import {
   readBaseline,
   BASELINE_FILE,
 } from '../check-skills-paths.mjs';
+import { SKILL_BUNDLE } from '../skill-bundle-root.mjs';
+import { globMatches, jobBlock, rootCi, uiFilterGlobs, uiRun, UI_JOBS } from './helpers/root-ci';
 
 /**
  * objectui#3735 — the test for `scripts/check-skills-paths.mjs`.
@@ -516,7 +518,9 @@ describe('wiring — the gate is reachable by name, beside its baseline', () =>
   // the monorepo: GitHub runs the root `.github/workflows/` alone, and no
   // workflow there runs this gate. objectstack#25880 ports the `repo-gates.yml`
   // gates (row 24 of the objectstack#25697 workflow roster) into the root `Lint
-  // UI` job and brings these pins back against that job, by path.
+  // UI` job and brings these pins back against that job, by path. The Lint UI
+  // home and the filter that starts it on a skills-only change are pinned by
+  // the last case below.
 
   it('is exposed as a root package script', () => {
     const pkg = JSON.parse(fs.readFileSync(path.join(repoRoot, 'package.json'), 'utf8'));
@@ -526,4 +530,20 @@ describe('wiring — the gate is reachable by name, beside its baseline', () =>
   it('ships its baseline next to the script', () => {
     expect(fs.existsSync(path.join(repoRoot, BASELINE_FILE))).toBe(true);
   });
+
+  it('runs in Lint UI, which a skills-only change starts: the root `ui` filter covers the bundle', () => {
+    // The bundle left `ui/` for the repository root's `SKILL_BUNDLE`
+    // (objectstack#26097), where `ui/**` does not reach it, so a skills-only
+    // pull request started no ui job until the filter named that root
+    // (objectstack#25712).
+    const ci = rootCi();
+    const lint = jobBlock(ci, UI_JOBS.lint);
+    expect(lint).toContain(uiRun('check:skills-paths'));
+    expect(lint).toContain("needs.filter.outputs.ui != 'false'");
+    const probe = `${SKILL_BUNDLE}/any`;
+    expect(
+      uiFilterGlobs(ci).some((glob) => globMatches(glob, probe)),
+      `no \`ui:\` filter glob covers ${SKILL_BUNDLE}/`,
+    ).toBe(true);
+  });
 });