feat(makelore): add platform oidc login

tests/unit/login-page.test.tsx

@@ -8,11 +8,16 @@ import { useProviderStore } from '@/stores/providers';
 import { codingRecoveryAccount } from '@/lib/coding-login-recovery';
 
 const hostApiFetchMock = vi.hoisted(() => vi.fn());
+const invokeIpcMock = vi.hoisted(() => vi.fn());
 
 vi.mock('@/lib/host-api', () => ({
   hostApiFetch: (...args: unknown[]) => hostApiFetchMock(...args),
 }));
 
+vi.mock('@/lib/api-client', () => ({
+  invokeIpc: (...args: unknown[]) => invokeIpcMock(...args),
+}));
+
 const loginWithPassword = vi.fn();
 const loginWithMobile = vi.fn();
 const logout = vi.fn();
@@ -128,6 +133,7 @@ describe('Login page', () => {
     useProviderStore.setState({ importUserModelConfig });
     importUserModelConfig.mockResolvedValue(undefined);
     logout.mockResolvedValue(undefined);
+    invokeIpcMock.mockResolvedValue(undefined);
     hostApiFetchMock.mockImplementation(async (path: string) => {
       if (path === '/api/auth/public-config') {
         return {
@@ -153,7 +159,7 @@ describe('Login page', () => {
     vi.useRealTimers();
   });
 
-  it('shows native Chinese tabs with password login as the default and no browser authorization surface', async () => {
+  it('shows native Chinese tabs with password login as the default and a platform login action', async () => {
     renderLogin();
 
     await screen.findByRole('link', { name: '用户协议' });
@@ -168,9 +174,36 @@ describe('Login page', () => {
       loginButton.compareDocumentPosition(rememberPasswordCheckbox)
         & Node.DOCUMENT_POSITION_FOLLOWING,
     ).toBe(Node.DOCUMENT_POSITION_FOLLOWING);
+    expect(screen.getByRole('button', { name: '平台账号登录' })).toBeDisabled();
     expect(screen.queryByText(/浏览器|微信|注册/)).not.toBeInTheDocument();
   });
 
+  it('opens the platform authorization URL through Main after agreement', async () => {
+    hostApiFetchMock.mockImplementation(async (path: string) => {
+      if (path === '/api/auth/public-config') return { success: true, links: {} };
+      if (path === '/api/auth/remembered-password') return { success: true, available: false };
+      if (path === '/api/auth/platform/start') {
+        return { success: true, authorizationUrl: 'https://square.example.test/authorize?state=state-1' };
+      }
+      return { success: true };
+    });
+    renderLogin();
+
+    const agreement = await screen.findByRole('checkbox', { name: /我已阅读并同意/ });
+    fireEvent.click(agreement);
+    fireEvent.click(screen.getByRole('button', { name: '平台账号登录' }));
+
+    await waitFor(() => expect(invokeIpcMock).toHaveBeenCalledWith(
+      'shell:openExternal',
+      'https://square.example.test/authorize?state=state-1',
+    ));
+    expect(hostApiFetchMock).toHaveBeenCalledWith('/api/auth/platform/start', {
+      method: 'POST',
+      cache: 'no-store',
+      body: JSON.stringify({}),
+    });
+  });
+
   it('restores OS-protected password credentials and keeps remember password selected', async () => {
     hostApiFetchMock.mockImplementation(async (path: string) => {
       if (path === '/api/auth/public-config') return { success: true, links: {} };