实现项目真机预览与待审版本扫码验收

需求：接管客户端未提交 WIP，保留真机预览，移除旧登录原型并维持 2.0.0。

实现：由 Main 核对项目与精确 Release，签发短时 Owner preview；补充一键提交映射能力及 Windows ZIP 预检兼容。

tests/unit/agent-conversation-sidebar.test.tsx

@@ -62,6 +62,7 @@ function renderSidebar(overrides: Partial<ComponentProps<typeof AgentConversatio
     onRestoreSession: vi.fn().mockResolvedValue(undefined),
     onDeleteSession: vi.fn().mockResolvedValue(undefined),
     onTogglePinAgent: vi.fn().mockResolvedValue(undefined),
+    onOpenDevicePreview: vi.fn(),
     onOpenProjectSettings: vi.fn(),
   };
   render(
@@ -101,13 +102,20 @@ describe('AgentConversationSidebar', () => {
     expect(callbacks.onOpenProjectSettings).toHaveBeenCalledOnce();
   });
 
+  it('opens the project device preview from the conversation header', () => {
+    const callbacks = renderSidebar();
+
+    fireEvent.click(screen.getByRole('button', { name: '真机预览' }));
+    expect(callbacks.onOpenDevicePreview).toHaveBeenCalledOnce();
+  });
+
   it('shows only the centered project-partner heading in the conversation header', () => {
     renderSidebar();
 
     expect(screen.queryByText('项目联系人')).not.toBeInTheDocument();
     const heading = screen.getByRole('heading', { name: '我的项目空间' });
     expect(heading).toHaveClass('text-left');
-    expect(heading.parentElement).toHaveClass('relative', 'px-3', 'pr-24');
+    expect(heading.parentElement).toHaveClass('relative', 'px-3', 'pr-28');
     expect(heading.parentElement).not.toHaveClass('justify-center');
   });