fix(knowledge): align embedding configuration with Yuxi

tests/unit/cloud-knowledge-catalog.test.tsx

@@ -6,7 +6,7 @@ const api = vi.hoisted(() => ({ call: vi.fn() }));
 vi.mock('@/lib/cloud-agents-api', () => ({ cloudAgentsApi: api }));
 const slug = 'ml-' + 'a'.repeat(32);
 const empty = { databases: [], models: [] };
-const available = { ...empty, models: [{ id: 'relay:fixture-embedding', name: '资料向量模型' }] };
+const available = { ...empty, models: [{ id: 'relay:fixture-embedding', name: '资料向量模型', dimension: 1024 }] };
 
 beforeEach(() => vi.resetAllMocks());
 afterEach(cleanup);
@@ -20,11 +20,12 @@ function openCreation() {
 it('explains who configures an empty embedding catalog and refreshes without losing the name', async () => {
   api.call.mockResolvedValueOnce(empty).mockResolvedValueOnce(available);
   openCreation();
-  expect(await screen.findByText('暂时没有可用的向量模型。请联系平台管理员完成云端配置，然后刷新。')).toBeVisible();
+  expect(await screen.findByText('暂时没有可用的向量模型。请联系平台管理员在 Yuxi 完成配置，然后刷新。')).toBeVisible();
   expect(screen.getByRole('combobox', { name: '向量模型' })).toBeDisabled();
   fireEvent.click(screen.getByText('管理员配置说明'));
   expect(screen.getByText(/Yuxi 后台/)).toHaveTextContent('智能体管理 → 模型供应商');
-  expect(screen.getByText(/Works Square 运营后台/)).toHaveTextContent('模型管理');
+  expect(screen.getByText(/Yuxi 后台/)).toHaveTextContent('服务地址和 API Key');
+  expect(screen.queryByText(/Works Square 运营后台|one-api/)).not.toBeInTheDocument();
   fireEvent.change(screen.getByRole('textbox', { name: '知识库名称' }), { target: { value: '创作资料' } });
   fireEvent.click(screen.getByRole('button', { name: '刷新知识库与模型' }));
   expect(await screen.findByRole('option', { name: '资料向量模型' })).toBeInTheDocument();