feat(agents): 复用 Yuxi 头像上传与展示

tests/unit/cloud-agents-page.test.tsx

@@ -4,7 +4,7 @@ import { afterEach, beforeEach, expect, it, vi } from 'vitest';
 import CloudAgents from '@/pages/CloudAgents';
 import { EMPTY_CLOUD_CONFIGURATION } from '../../shared/cloud-agents';
 
-const api = vi.hoisted(() => ({ list: vi.fn(), create: vi.fn(), get: vi.fn(), save: vi.fn(), call: vi.fn(), events: vi.fn(), recovery: vi.fn(), remember: vi.fn(), resolvePending: vi.fn() }));
+const api = vi.hoisted(() => ({ list: vi.fn(), create: vi.fn(), get: vi.fn(), save: vi.fn(), uploadAvatar: vi.fn(), call: vi.fn(), events: vi.fn(), recovery: vi.fn(), remember: vi.fn(), resolvePending: vi.fn() }));
 const auth = vi.hoisted(() => ({ user: { userId: 'creator' } }));
 vi.mock('@/lib/cloud-agents-api', () => ({ cloudAgentsApi: api }));
 vi.mock('@/stores/auth', () => ({ useAuthStore: (selector: (state: typeof auth) => unknown) => selector(auth) }));
@@ -36,6 +36,30 @@ beforeEach(() => {
 });
 afterEach(cleanup);
 
+it('loads the Yuxi avatar, saves a replacement as draft data, and persists explicit removal', async () => {
+  let current = { ...draft, icon: '/old.png' as string | null, icon_url: 'https://agents.test/old.png' as string | null };
+  api.list.mockImplementation(async () => ({ agents: [current], next_cursor: null }));
+  api.get.mockImplementation(async () => current);
+  api.save.mockImplementation(async (_slug, input) => (current = { ...current, ...input,
+    icon_url: input.icon ? 'https://agents.test' + input.icon : null, draft_revision: current.draft_revision + 1 }));
+  api.uploadAvatar.mockResolvedValue({ icon: '/new.png', icon_url: 'https://agents.test/new.png' });
+  open();
+  expect(await screen.findByRole('img', { name: '写作搭档头像' })).toHaveAttribute('src', 'https://agents.test/old.png');
+  fireEvent.click(screen.getByText('写作搭档'));
+  fireEvent.click(await screen.findByRole('button', { name: '更换头像' }));
+  await waitFor(() => expect(screen.getByRole('button', { name: '保存草稿' })).toBeEnabled());
+  expect(api.save).not.toHaveBeenCalled();
+  fireEvent.click(screen.getByRole('button', { name: '保存草稿' }));
+  await waitFor(() => expect(api.save).toHaveBeenCalledWith(draft.slug, expect.objectContaining({ icon: '/new.png', expected_revision: 1 })));
+  expect(api.save.mock.calls[0][1]).not.toHaveProperty('icon_url');
+  await screen.findByText('云端已保存');
+  fireEvent.click(screen.getByRole('button', { name: '移除头像' }));
+  fireEvent.click(screen.getByRole('button', { name: '保存草稿' }));
+  await waitFor(() => expect(api.save).toHaveBeenLastCalledWith(draft.slug, expect.objectContaining({ icon: null, expected_revision: 2 })));
+  await screen.findByText('云端已保存');
+  expect(screen.getAllByRole('img', { name: '写作搭档默认头像' })).toHaveLength(2);
+});
+
 it('does not label disabled or archived assistants as ready to use', async () => {
   api.list.mockResolvedValue({ agents: [
     { ...draft, published_version: 1, enabled: false },