fix: reserve Windows titlebar chrome space for Code actions

tests/e2e/pi-coding-first-chat.spec.ts

@@ -1119,6 +1119,78 @@ test('foreground focus rehydrates a terminal Snapshot after lifecycle sleep', as
   ))).toBe(false);
 });
 
+test('Windows Code titlebar keeps browser actions clear of the logo and window controls', async ({
+  launchElectronApp,
+}) => {
+  test.skip(process.platform !== 'win32', 'Windows custom titlebar only');
+  const electronApp = await launchElectronApp({ skipSetup: true });
+  const page = await getStableWindow(electronApp);
+  const hostConnection = await page.evaluate(async () => ({
+    token: await window.electron.ipcRenderer.invoke('hostapi:token') as string,
+    baseUrl: await window.electron.ipcRenderer.invoke('hostapi:base-url') as string,
+  }));
+  await installCodingFirstChatHost(electronApp, hostConnection, true);
+  await disableCodingEventSource(page);
+
+  try {
+    await page.reload();
+    await page.getByTestId('ai-module-option-programming').click();
+    await expect(page.getByTestId('coding-conversation-header')).toBeVisible();
+    const header = page.getByTestId('coding-conversation-header');
+    const assertChromeClear = async () => {
+      const logo = await page.getByTestId('titlebar-logo').boundingBox();
+      expect(logo).not.toBeNull();
+      for (const button of await header.getByRole('button').all()) {
+        const bounds = await button.boundingBox();
+        expect(bounds).not.toBeNull();
+        expect(bounds!.x + bounds!.width).toBeLessThanOrEqual(logo!.x);
+      }
+      const minimize = page.getByTitle('Minimize');
+      const minimizeBounds = await minimize.boundingBox();
+      expect(minimizeBounds).not.toBeNull();
+      expect(logo!.x + logo!.width).toBeLessThanOrEqual(minimizeBounds!.x);
+      // The conversation header must not intercept clicks in the window controls.
+      for (const title of ['Minimize', 'Maximize', 'Close']) {
+        await page.getByTitle(title, { exact: true }).click({ trial: true });
+      }
+    };
+
+    for (const { width, zoom } of [
+      { width: 1280, zoom: 1 },
+      { width: 1024, zoom: 1 },
+      { width: 1280, zoom: 1.25 },
+    ]) {
+      await electronApp.evaluate(({ BrowserWindow }, dimensions) => {
+        const window = BrowserWindow.getAllWindows()[0];
+        window.setSize(dimensions.width, 800);
+        window.webContents.setZoomFactor(dimensions.zoom);
+      }, { width, zoom });
+      await expect.poll(async () => page.evaluate(() => window.innerWidth)).toBe(Math.round(width / zoom));
+      await assertChromeClear();
+      if (width === 1280 && zoom === 1) {
+        await page.screenshot({ path: test.info().outputPath('windows-code-titlebar.png') });
+      }
+      await header.getByRole('button', { name: '打开开发浏览器' }).click();
+      await expect(page.getByTestId('agent-browser-panel')).toBeVisible();
+      await assertChromeClear();
+      await header.getByRole('button', { name: '关闭开发浏览器' }).click();
+      await expect(page.getByTestId('agent-browser-panel')).toHaveCount(0);
+    }
+    await page.getByTestId('titlebar-sidebar-toggle').click();
+    await assertChromeClear();
+    await settleSnapshot(electronApp);
+    await page.evaluate(() => window.dispatchEvent(new FocusEvent('focus')));
+    await expect(header.getByRole('button', { name: '中止', exact: true })).toHaveCount(0);
+    await assertChromeClear();
+    await page.getByTitle('Maximize', { exact: true }).click();
+    await expect(page.getByTitle('Restore', { exact: true })).toBeVisible();
+    await page.getByTitle('Restore', { exact: true }).click();
+    await expect(page.getByTitle('Maximize', { exact: true })).toBeVisible();
+  } finally {
+    await releaseSnapshot(electronApp);
+  }
+});
+
 test('PI feature UI isolates Conversations and exposes queue, interaction, model, and subagent state', async ({
   launchElectronApp,
 }) => {
@@ -1167,6 +1239,11 @@ test('PI feature UI isolates Conversations and exposes queue, interaction, model
     await expect(conversationHeader.getByRole('button', { name: '打开编程工具' })).toHaveCount(0);
     const browserToggle = conversationHeader.getByRole('button', { name: '打开开发浏览器' });
     await expect(browserToggle).toBeVisible();
+    if (process.platform === 'win32') {
+      const browserBounds = await browserToggle.boundingBox();
+      expect(browserBounds).not.toBeNull();
+      expect(browserBounds!.x + browserBounds!.width).toBeLessThanOrEqual(logoBounds!.x);
+    }
     await browserToggle.click();
     await expect(page.getByTestId('agent-browser-panel')).toBeVisible();
     await expect(page.getByTestId('agent-browser-diagnostics')).toHaveAttribute('data-state', 'closed');