fix(knowledge): separate creation management and selection

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

@@ -1,4 +1,4 @@
-import { cleanup, fireEvent, render, screen, waitFor } from '@testing-library/react';
+import { cleanup, fireEvent, render, screen, waitFor, within } from '@testing-library/react';
 import { afterEach, beforeEach, expect, it, vi } from 'vitest';
 import { CloudKnowledgePanel } from '@/pages/CloudAgents/CloudKnowledge';
 
@@ -13,14 +13,13 @@ afterEach(cleanup);
 
 function openCreation() {
   render(<CloudKnowledgePanel slug={slug} onCreated={() => undefined} />);
-  fireEvent.click(screen.getByText('上传自己的文件'));
   fireEvent.click(screen.getByRole('button', { name: '新建知识库' }));
 }
 
 it('explains who configures an empty embedding catalog and refreshes without losing the name', async () => {
   api.call.mockResolvedValueOnce(empty).mockResolvedValueOnce(available);
   openCreation();
-  expect(screen.getByRole('button', { name: '从电脑上传', exact: true })).toBeDisabled();
+  expect(within(screen.getByRole('region', { name: '查看我的知识库' })).getByRole('button', { name: '从电脑上传', exact: true })).toBeDisabled();
   expect(await screen.findByText('暂时没有可用的向量模型。Embedding 只在 Yuxi 配置，请联系平台管理员启用后刷新；向量化费用由平台承担，不计入用户用量或智能体费用上限。')).toBeVisible();
   expect(screen.getByRole('combobox', { name: '向量模型' })).toBeDisabled();
   expect(screen.getByText(/上传到知识库的文档可供/)).toHaveTextContent('embedding 向量化由平台承担，不计入用户用量、词元点数或智能体费用上限');
@@ -35,7 +34,7 @@ it('explains who configures an empty embedding catalog and refreshes without los
   expect(screen.getByRole('textbox', { name: '知识库名称' })).toHaveValue('创作资料');
   expect(screen.queryByText('管理员配置说明')).not.toBeInTheDocument();
   fireEvent.change(screen.getByRole('combobox', { name: '向量模型' }), { target: { value: 'relay:fixture-embedding' } });
-  expect(screen.getByRole('button', { name: '创建并选用' })).toBeEnabled();
+  expect(screen.getByRole('button', { name: '创建知识库' })).toBeEnabled();
 });
 
 it('shows loading instead of suggesting configuration is missing before the catalog arrives', () => {
@@ -64,7 +63,7 @@ it('clears a removed selection after refresh so a new create cannot use an unava
   fireEvent.change(screen.getByRole('combobox', { name: '向量模型' }), { target: { value: 'relay:fixture-embedding' } });
   fireEvent.click(screen.getByRole('button', { name: '刷新知识库与模型' }));
   await waitFor(() => expect(screen.getByRole('combobox', { name: '向量模型' })).toHaveValue(''));
-  expect(screen.getByRole('button', { name: '创建并选用' })).toBeDisabled();
+  expect(screen.getByRole('button', { name: '创建知识库' })).toBeDisabled();
   expect(api.call.mock.calls.every(([operation]) => operation === 'knowledge')).toBe(true);
 });
 
@@ -78,7 +77,7 @@ it('preserves an uncertain creation intent when its model disappears on refresh'
   await screen.findByRole('option', { name: '资料向量模型' });
   fireEvent.change(screen.getByRole('textbox', { name: '知识库名称' }), { target: { value: '创作资料' } });
   fireEvent.change(screen.getByRole('combobox', { name: '向量模型' }), { target: { value: 'relay:fixture-embedding' } });
-  fireEvent.click(screen.getByRole('button', { name: '创建并选用' }));
+  fireEvent.click(screen.getByRole('button', { name: '创建知识库' }));
   await screen.findByRole('alert');
   fireEvent.click(screen.getByRole('button', { name: '刷新知识库与模型' }));
   await screen.findByText('管理员配置说明');