@@ -3244,6 +3244,21 @@ jobs:
               --filter='./ui/examples/*'
           fi
 
+      # ui/tsconfig.vitest-setup.json resolves five @object-ui packages through
+      # their built declarations (its `paths` comment measures the from-source
+      # route at 484 errors). The step above builds them only when they are in
+      # its affected scope, and a pull_request whose ui scope is empty builds
+      # nothing, so the next step failed with TS2882/TS2307. Turbo replays
+      # them from the cache when the step above or main's cache already built them.
+      - name: Build the ui packages the vitest setup files import
+        run: |
+          pnpm exec turbo run build --concurrency=4 \
+            --filter=@object-ui/components \
+            --filter=@object-ui/fields \
+            --filter=@object-ui/plugin-dashboard \
+            --filter=@object-ui/plugin-grid \
+            --filter=@object-ui/i18n
+
       - name: Type-check ui repo-root vitest setup files
         run: pnpm --dir ui run type-check:vitest-setup
 
 
@@ -58,7 +58,12 @@ describe('production witness: the checked-in manifest reaches validateTree', ()
     // regeneration legitimately changes them, re-check the shipped pages in the
     // same PR.
     expect(keys).toContain('flex');
-    expect(keys).toContain('html');
+    // The html tier's intrinsic tags. The raw `html` component itself was
+    // retired by objectui#13449 and left the manifest when it was regenerated
+    // from the in-tree ui/ (107 -> 106, objectstack#25711); the shipped pages
+    // below never used it, which the clean-run witness re-checks.
+    expect(keys).toContain('a');
+    expect(keys).toContain('p');
     expect(keys).not.toContain('div');
   });
 
 
@@ -80,6 +80,7 @@ import {
   type AppGeneratorContext,
   type RouteInfo
 } from '../utils/app-generator.js';
+import { changesetConfigPath } from '../../../../scripts/workspace-root.mjs';
 
 const __dirname = dirname(fileURLToPath(import.meta.url));
 /** packages/cli/src/__tests__ -> repo root */
@@ -741,8 +742,10 @@ describe('generated app manifests', () => {
     // current and guaranteed to exist on the registry. If that group were ever
     // split, deriving the range would silently start naming versions that were
     // never published — so the premise is asserted, not assumed.
+    // The tree's own config standalone, the monorepo root's when nested under
+    // objectstack's `ui/` (objectstack#25711): changesets reads one per repository.
     const changesetConfig = JSON.parse(
-      readFileSync(resolve(REPO_ROOT, '.changeset/config.json'), 'utf-8')
+      readFileSync(changesetConfigPath(REPO_ROOT), 'utf-8')
     ) as { fixed?: string[][] };
     const cliVersion = readManifest(CLI_MANIFEST_PATH).version as string;
     const platformPackages = Object.entries(DEPENDENCY_ANCHORS)
 
@@ -187,7 +187,7 @@ const FS_MODULES = new Set(['fs', 'node:fs', 'fs/promises', 'node:fs/promises',
  * what it excuses.
  */
 export const SUBJECT_IS_THE_CWD = Object.freeze([
-  'packages/cli/src/__tests__/app-generator.test.ts:1326 -- `contextOfCurrentProcess()` mirrors the ambient cwd on BOTH sides of the assertion deliberately: the writer under test derives its context from `process.cwd()` and the expectation derives it the same way, so the pair is self-consistent under either cwd. Re-rooting one side desyncs the mirror and turns a passing test red. The real cost -- that WHICH generator branch those two cases pin is decided by the launch directory -- is filed as objectui#7807 and is closed in the same file by two further cases that name their branch instead of inheriting it.',
+  'packages/cli/src/__tests__/app-generator.test.ts:1329 -- `contextOfCurrentProcess()` mirrors the ambient cwd on BOTH sides of the assertion deliberately: the writer under test derives its context from `process.cwd()` and the expectation derives it the same way, so the pair is self-consistent under either cwd. Re-rooting one side desyncs the mirror and turns a passing test red. The real cost -- that WHICH generator branch those two cases pin is decided by the launch directory -- is filed as objectui#7807 and is closed in the same file by two further cases that name their branch instead of inheriting it.',
 ]);
 
 /**