feat: redesign coding default entry

tests/unit/coding-chat-panel.test.tsx

@@ -199,6 +199,31 @@ describe('CodingChatPanel first Conversation', () => {
     vi.resetModules();
   });
 
+  it('shows a branded project starter before any local project is selected', async () => {
+    projectApi.list.mockResolvedValue({ projects: [], activeProjectId: null });
+    const onCreateProject = vi.fn();
+    const onOpenProjectSettings = vi.fn();
+    const { CodingChatPanel } = await import('@/pages/Chat/CodingChatPanel');
+
+    render(
+      <CodingChatPanel
+        onCreateProject={onCreateProject}
+        onOpenProjectSettings={onOpenProjectSettings}
+      />,
+    );
+
+    expect(await screen.findByTestId('coding-chat-empty-project')).toBeInTheDocument();
+    expect(screen.getByRole('heading', { name: '你想让麦洛和你一起构建什么？' })).toBeInTheDocument();
+    expect(screen.getByRole('img', { name: '麦洛 M 标识' })).toBeInTheDocument();
+    expect(screen.getByTestId('coding-project-starter')).toHaveTextContent('尚未选择项目');
+
+    fireEvent.click(screen.getByTestId('coding-start-project-button'));
+    expect(onCreateProject).toHaveBeenCalledOnce();
+
+    fireEvent.click(screen.getByRole('button', { name: '项目与插件设置' }));
+    expect(onOpenProjectSettings).toHaveBeenCalledOnce();
+  });
+
   it('makes the first-Conversation textarea editable while runtime metadata is held', async () => {
     projectApi.list.mockResolvedValue({ projects: [project], activeProjectId: project.id });
     projectApi.config.mockResolvedValue({ project, config });
@@ -215,6 +240,8 @@ describe('CodingChatPanel first Conversation', () => {
     const view = render(<CodingChatPanel />);
 
     const textbox = await screen.findByRole('textbox');
+    expect(screen.getByRole('heading', { name: '你想让麦洛和你一起构建什么？' })).toBeInTheDocument();
+    expect(screen.getByRole('img', { name: '麦洛 M 标识' })).toBeInTheDocument();
     expect(textbox).toBeEnabled();
     expect(projectApi.create).toHaveBeenCalledOnce();
     expect(conversationApi.snapshot).toHaveBeenCalledWith(conversation.id);
@@ -922,7 +949,7 @@ describe('CodingChatPanel first Conversation', () => {
       target: { files },
     });
     expect(await screen.findByText('每条消息最多添加 16 张图片。')).toBeInTheDocument();
-    expect(screen.getAllByRole('img')).toHaveLength(16);
+    expect(screen.getAllByRole('img', { name: /^image-\d+\.png$/u })).toHaveLength(16);
     expect(codingConversationStore.getState().entriesByConversationId[conversation.id])
       .toMatchObject({ loadState: 'live', error: null });
     await waitFor(() => expect(screen.getByRole('button', { name: '发送' })).toBeEnabled());