@@ -0,0 +1,11 @@
+---
+'@object-ui/i18n': patch
+---
+
+fix(studio): Interfaces lists a package's pages, dashboards, reports and views whether or not a navigation entry names them
+
+Clause-②: no
+Metadata-protocol: none
+
+- Studio › Interfaces used to list only what the app's navigation names, so a list view off the menu, a record page, or any item of a package with no app could not be opened in Studio at all. Under the navigation tree the rail now has one section per type ("Not in navigation": Pages, Dashboards, Reports, Views) listing the package's items no entry opens, published and draft, and each row opens its item in the same canvas and inspector, read-only on an installed package. A package with no app keeps its "no app yet" notice and lists what it ships under it. An item a navigation entry opens keeps its row in the tree and is not listed again.
+- The `studio` namespace gains the five `engine.studio.if.offNav.*` strings, in `en` and `zh`. No export changes.
@@ -0,0 +1,260 @@
+// Copyright (c) 2026 ObjectStack. Licensed under the Apache-2.0 license.
+
+/**
+ * objectstack#26889 — the Interfaces pillar lists a package's views, pages,
+ * dashboards and reports whether or not a navigation entry names them, and a
+ * package with no app still lists what it ships.
+ *
+ * The rail used to be the app's navigation tree and nothing else, so an item
+ * no entry opens (a list view off the menu, a record page, a module package's
+ * dashboard) could not be opened in Studio at all, and a package with no app
+ * showed only its "no app yet" notice. Under the tree there is now one section
+ * per type with the items no entry opens; each row opens its item in the
+ * pillar's canvas, read-only on a read-only package.
+ *
+ *  - an item a nav entry opens keeps its tree row and is not listed again (a
+ *    page / dashboard entry's target, and the view an `object` entry's
+ *    `viewName` names);
+ *  - a draft-only item is listed, by the label its `_drafts` row carries;
+ *  - the aggregated view container the server keeps for dual-read is not an
+ *    item (Setup › Metadata leaves it out the same way);
+ *  - the "no app yet" notice stays, with the sections under it.
+ */
+import '@testing-library/jest-dom/vitest';
+import * as React from 'react';
+import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
+import { act, render, screen, fireEvent, cleanup, within } from '@testing-library/react';
+import { MemoryRouter } from 'react-router-dom';
+
+const PKG = 'com.acme.crm';
+
+const NAV = [
+  { id: 'nav_home', type: 'page', label: 'Home menu', pageName: 'home' },
+  { id: 'nav_ops', type: 'dashboard', label: 'Ops board', dashboardName: 'ops' },
+  { id: 'nav_my_leads', type: 'object', label: 'My leads', objectName: 'crm_lead', viewName: 'mine' },
+];
+
+/** What the mocked server holds, per metadata type: published rows and `_drafts` headers. */
+const server = vi.hoisted(() => ({
+  published: new Map<string, Array<Record<string, unknown>>>(),
+  drafts: new Map<string, Array<Record<string, unknown>>>(),
+}));
+
+const mockClient = vi.hoisted(() => ({
+  list: vi.fn(async (type: string) => server.published.get(type) ?? []),
+  listDrafts: vi.fn(async (opts?: { type?: string }) => server.drafts.get(opts?.type ?? '') ?? []),
+  listTypes: vi.fn(async () => ({ entries: [] })),
+  get: vi.fn(async () => null),
+  references: vi.fn(async () => []),
+  layered: vi.fn(async (type: string, name: string) => {
+    const eff = (server.published.get(type) ?? []).find((row) => row.name === name) ?? null;
+    return { code: null, overlay: eff, overlayScope: eff ? 'env' : null, effective: eff, editable: true, deletable: true, resettable: false, lock: 'none' };
+  }),
+  getDraft: vi.fn(async (type: string, name: string) => {
+    throw Object.assign(new Error(`No pending draft exists for ${type}/${name}.`), { code: 'NO_DRAFT', status: 404 });
+  }),
+  save: vi.fn(async (type: string, name: string, item: unknown) => ({ type, name, item })),
+  publish: vi.fn(async () => ({ success: true })),
+  reset: vi.fn(async () => ({})),
+}));
+
+vi.mock('../metadata-admin/useMetadata', async (importOriginal) => {
+  const mod = await importOriginal<typeof import('../metadata-admin/useMetadata')>();
+  return { ...mod, useMetadataClient: () => mockClient, useMetadataTypes: () => ({ entries: [] }) };
+});
+
+vi.mock('@object-ui/react', async (importOriginal) => {
+  const mod = await importOriginal<typeof import('@object-ui/react')>();
+  return { ...mod, useAdapter: () => ({}) };
+});
+
+vi.mock('sonner', () => ({ toast: { success: vi.fn(), error: vi.fn(), info: vi.fn(), dismiss: vi.fn() } }));
+
+// The `view` resource's list filter (the aggregated container is no item) is
+// registered here, as the console registers it.
+import '../../services/builtinComponents';
+import { InterfacesPillar } from './StudioDesignSurface';
+import { registerMetadataPreview, type MetadataPreviewProps } from '../metadata-admin/preview-registry';
+import { STUDIO_RAIL_ROW_ACTIVE } from './studio-tokens';
+
+vi.stubGlobal(
+  'fetch',
+  vi.fn(async () => new Response('null', { status: 404, headers: { 'content-type': 'application/json' } })),
+);
+
+/** A canvas that says what it was opened on, and whether it may write. */
+function StubPreview({ type, name, onPatch }: MetadataPreviewProps) {
+  return (
+    <div data-testid="stub-canvas" data-writable={onPatch ? 'yes' : 'no'}>
+      {`${type}:${name}`}
+    </div>
+  );
+}
+for (const type of ['page', 'dashboard', 'report', 'view']) registerMetadataPreview(type, StubPreview);
+
+const page = (name: string, label: string, extra: Record<string, unknown> = {}) => ({ name, label, type: 'app', ...extra });
+
+function seedWithApp() {
+  server.published.set('app', [{ name: 'crm_app', label: 'CRM', navigation: NAV }]);
+  server.published.set('page', [page('home', 'Home'), page('lead_detail', 'Lead Detail', { type: 'record', object: 'crm_lead' })]);
+  server.published.set('dashboard', [
+    { name: 'ops', label: 'Ops' },
+    { name: 'sales_overview', label: 'Sales Overview' },
+  ]);
+  server.published.set('report', [{ name: 'pipeline', label: 'Pipeline' }]);
+  server.published.set('view', [
+    { name: 'crm_lead.mine', label: 'Mine', object: 'crm_lead', viewKind: 'list', config: { type: 'grid', columns: ['name'] } },
+    { name: 'crm_lead.hot', label: 'Hot Leads', object: 'crm_lead', viewKind: 'list', config: { type: 'grid', columns: ['name'] } },
+    // The container the server keeps beside the expanded items: no item of its own.
+    { name: 'crm_lead', object: 'crm_lead', listViews: { hot: { columns: ['name'] } } },
+  ]);
+  server.drafts.set('page', [{ name: 'welcome', label: 'Welcome', packageId: PKG }]);
+}
+
+function seedNoApp() {
+  server.published.set('dashboard', [{ name: 'service_overview', label: 'Service Overview' }]);
+  server.published.set('page', [page('case_detail', 'Case Detail', { type: 'record', object: 'crm_case' })]);
+}
+
+beforeEach(() => {
+  server.published.clear();
+  server.drafts.clear();
+  for (const fn of Object.values(mockClient)) (fn as unknown as { mockClear: () => void }).mockClear();
+});
+
+afterEach(cleanup);
+
+function renderPillar(props: { readOnly?: boolean } = {}) {
+  render(
+    <MemoryRouter initialEntries={[`/studio/${PKG}/interfaces`]}>
+      <InterfacesPillar packageId={PKG} packageLabel="Acme CRM" {...props} />
+    </MemoryRouter>,
+  );
+}
+
+/** The sections under the tree, once the package's items are read. */
+async function offNav(): Promise<HTMLElement> {
+  return screen.findByTestId('if-off-nav', undefined, { timeout: 8000 });
+}
+
+/** Every rail row's `type · name`, in rail order. */
+function railTitles(scope: HTMLElement): string[] {
+  return within(scope)
+    .getAllByRole('button')
+    .map((b) => b.getAttribute('title') ?? '')
+    .filter((title) => title.includes(' · '));
+}
+
+describe('objectstack#26889 — Interfaces lists what no navigation entry names', () => {
+  it('lists the views, pages, dashboards and reports no entry opens, one section per type', async () => {
+    seedWithApp();
+    renderPillar();
+    const sections = await offNav();
+    expect(within(sections).getByTestId('if-off-nav-page')).toBeInTheDocument();
+    expect(railTitles(sections)).toEqual([
+      'page · lead_detail',
+      'page · welcome',
+      'dashboard · sales_overview',
+      'report · pipeline',
+      'view · crm_lead.hot',
+    ]);
+    // A draft-only page reads as the label its `_drafts` row carries.
+    expect(within(sections).getByRole('button', { name: 'Welcome' })).toHaveAttribute('title', 'page · welcome');
+    // Each type was read for this package, published and draft.
+    for (const type of ['view', 'page', 'dashboard', 'report']) {
+      expect(mockClient.list).toHaveBeenCalledWith(type, { packageId: PKG });
+      expect(mockClient.listDrafts).toHaveBeenCalledWith({ packageId: PKG, type });
+    }
+  });
+
+  it('an item a nav entry opens is listed once, in the tree, and never again', async () => {
+    seedWithApp();
+    renderPillar();
+    const sections = await offNav();
+    const rail = sections.closest('nav') as HTMLElement;
+    const titles = railTitles(rail);
+    expect(titles.filter((t) => t === 'page · home')).toHaveLength(1);
+    expect(titles.filter((t) => t === 'dashboard · ops')).toHaveLength(1);
+    // The view the `My leads` entry names (`viewName: 'mine'`) is that entry's row.
+    expect(titles).not.toContain('view · crm_lead.mine');
+    expect(within(sections).queryByText('Home')).toBeNull();
+    expect(within(sections).queryByText('Mine')).toBeNull();
+    // The aggregated container is not listed as a view.
+    expect(titles).not.toContain('view · crm_lead');
+  });
+
+  it('a view, a record page and a dashboard no entry names each open in the canvas', async () => {
+    seedWithApp();
+    renderPillar();
+    const sections = await offNav();
+    for (const [label, opened] of [
+      ['Hot Leads', 'view:crm_lead.hot'],
+      ['Lead Detail', 'page:lead_detail'],
+      ['Sales Overview', 'dashboard:sales_overview'],
+    ] as const) {
+      fireEvent.click(within(sections).getByRole('button', { name: label }));
+      expect(await screen.findByText(opened, undefined, { timeout: 8000 })).toBeInTheDocument();
+      expect(screen.getByTestId('if-breadcrumb')).toHaveTextContent(label);
+      // The row it was opened from is the active one, and only it.
+      const active = within(sections).getAllByRole('button').filter((b) => b.className.includes(STUDIO_RAIL_ROW_ACTIVE));
+      expect(active.map((b) => b.textContent)).toEqual([label]);
+    }
+  });
+
+  it('a package with no app keeps its notice and lists its dashboard and page, which open', async () => {
+    seedNoApp();
+    renderPillar();
+    const sections = await offNav();
+    expect(screen.getByText('This package has no app yet.')).toBeInTheDocument();
+    expect(screen.getByText('This package has no app yet')).toBeInTheDocument();
+    expect(railTitles(sections)).toEqual(['page · case_detail', 'dashboard · service_overview']);
+
+    fireEvent.click(within(sections).getByRole('button', { name: 'Service Overview' }));
+    expect(await screen.findByText('dashboard:service_overview', undefined, { timeout: 8000 })).toBeInTheDocument();
+    // The canvas shows the item now, not the empty state; the rail keeps its notice.
+    expect(screen.queryByText('This package has no app yet')).toBeNull();
+    expect(screen.getByText('This package has no app yet.')).toBeInTheDocument();
+
+    fireEvent.click(within(sections).getByRole('button', { name: 'Case Detail' }));
+    expect(await screen.findByText('page:case_detail', undefined, { timeout: 8000 })).toBeInTheDocument();
+  });
+
+  it('a read-only package lists them too, and opens them read-only', async () => {
+    seedNoApp();
+    renderPillar({ readOnly: true });
+    const sections = await offNav();
+    fireEvent.click(within(sections).getByRole('button', { name: 'Service Overview' }));
+    const canvas = await screen.findByTestId('stub-canvas', undefined, { timeout: 8000 });
+    expect(canvas).toHaveTextContent('dashboard:service_overview');
+    expect(canvas).toHaveAttribute('data-writable', 'no');
+    expect(mockClient.save).not.toHaveBeenCalled();
+  });
+
+  it('CONTROL: a writable package opens them writable', async () => {
+    seedNoApp();
+    renderPillar();
+    const sections = await offNav();
+    fireEvent.click(within(sections).getByRole('button', { name: 'Service Overview' }));
+    expect(await screen.findByTestId('stub-canvas', undefined, { timeout: 8000 })).toHaveAttribute('data-writable', 'yes');
+  });
+
+  it('CONTROL: a package whose every item an entry opens draws no sections', async () => {
+    server.published.set('app', [{ name: 'crm_app', label: 'CRM', navigation: NAV }]);
+    server.published.set('page', [page('home', 'Home')]);
+    server.published.set('dashboard', [{ name: 'ops', label: 'Ops' }]);
+    renderPillar();
+    await screen.findByRole('button', { name: 'Home menu Page' }, { timeout: 8000 });
+    await vi.waitFor(() => expect(mockClient.listDrafts).toHaveBeenCalledWith({ packageId: PKG, type: 'view' }));
+    // Every read settled, and what it answered rendered.
+    await act(async () => {
+      await Promise.all(mockClient.listDrafts.mock.results.map((r) => r.value));
+      await new Promise((r) => setTimeout(r, 50));
+    });
+    expect(screen.queryByTestId('if-off-nav')).toBeNull();
+    // CONTROL of the control: the same package with one more dashboard lists it.
+    cleanup();
+    server.published.set('dashboard', [{ name: 'ops', label: 'Ops' }, { name: 'extra', label: 'Extra' }]);
+    renderPillar();
+    expect(railTitles(await offNav())).toEqual(['dashboard · extra']);
+  });
+});
@@ -59,6 +59,14 @@ const DATASETS = [
   },
 ];
 
+/** A package other than the pillar's: its items answer the unscoped list only. */
+const OTHER_PKG = 'com.other.app';
+
+/** A package-scoped list keeps the rows of that package, as the server's does (objectstack#26889). */
+function inScope(rows: Array<Record<string, unknown>>, opts: { packageId?: string }) {
+  return opts.packageId ? rows.filter((r) => (r._packageId ?? opts.packageId) === opts.packageId) : rows;
+}
+
 let apps: Array<Record<string, unknown>>;
 let published: Record<string, Array<Record<string, unknown>>>;
 let draftHeaders: Array<{ type: string; name: string; packageId: string }>;
@@ -71,10 +79,10 @@ const mockClient = {
     draftRows[`${type}:${name}`] = body;
     return { success: true, version: 'v1', state: 'draft' };
   }),
-  list: vi.fn(async (type: string) => {
+  list: vi.fn(async (type: string, opts: { packageId?: string } = {}) => {
     if (type === 'app') return apps;
     if (type === 'dataset') return DATASETS;
-    return published[type] ?? [];
+    return inScope(published[type] ?? [], opts);
   }),
   listDrafts: vi.fn(async (opts: { type?: string } = {}) =>
     draftHeaders.filter((h) => !opts.type || h.type === opts.type),
@@ -290,7 +298,7 @@ describe('the Interfaces pillar creates a dashboard and a report (objectui#11823
   });
 
   it('an identifier a dashboard in another package holds is refused in the dialog, and nothing is written', async () => {
-    published.dashboard = [HOME_DASH, { name: 'sales_overview', label: 'Their sales' }];
+    published.dashboard = [HOME_DASH, { name: 'sales_overview', label: 'Their sales', _packageId: OTHER_PKG }];
     mountPillar();
     await ready();
     const dialog = await openCreate('New dashboard');
 
@@ -43,6 +43,15 @@ const LANDING = { name: 'landing', label: 'Landing', type: 'app', kind: 'html',
 
 const NAV = [{ id: 'nav_landing', type: 'page', label: 'Landing', pageName: 'landing' }];
 
+
+/** A package other than the pillar's: its items answer the unscoped list only. */
+const OTHER_PKG = 'com.other.app';
+
+/** A package-scoped list keeps the rows of that package, as the server's does (objectstack#26889). */
+function inScope(rows: Array<Record<string, unknown>>, opts: { packageId?: string }) {
+  return opts.packageId ? rows.filter((r) => (r._packageId ?? opts.packageId) === opts.packageId) : rows;
+}
+
 let apps: Array<Record<string, unknown>>;
 let published: Record<string, Array<Record<string, unknown>>>;
 let draftHeaders: Array<{ type: string; name: string; packageId: string }>;
@@ -53,7 +62,9 @@ const mockClient = {
     draftRows[`${type}:${name}`] = body;
     return { success: true, version: 'v1', state: 'draft' };
   }),
-  list: vi.fn(async (type: string) => (type === 'app' ? apps : (published[type] ?? []))),
+  list: vi.fn(async (type: string, opts: { packageId?: string } = {}) =>
+    type === 'app' ? apps : inScope(published[type] ?? [], opts),
+  ),
   listDrafts: vi.fn(async (opts: { type?: string } = {}) =>
     draftHeaders.filter((h) => !opts.type || h.type === opts.type),
   ),
@@ -268,7 +279,7 @@ describe('the Interfaces pillar creates a page and opens it on source plus live
   });
 
   it('an identifier a page in another package holds is refused in the dialog, and nothing is written', async () => {
-    published.page = [LANDING, { name: 'team_handbook', label: 'Their handbook', type: 'app' }];
+    published.page = [LANDING, { name: 'team_handbook', label: 'Their handbook', type: 'app', _packageId: OTHER_PKG }];
     mountPillar();
     await ready();
     const dialog = await openNewPage();