feat: ship v0.5.0 with auto and wizard writing modes

Co-authored-by: Cursor <cursoragent@cursor.com>

e2e/auto-writing.spec.ts

@@ -0,0 +1,52 @@
+import path from 'path'
+import { mkdtempSync, rmSync, existsSync } from 'fs'
+import { join } from 'path'
+import { tmpdir } from 'os'
+import { test, expect, _electron as electron, type Page } from '@playwright/test'
+
+const ROOT = path.join(import.meta.dirname, '..')
+
+async function launchApp(userDataDir: string) {
+  return electron.launch({
+    args: [ROOT],
+    env: { ...process.env, BILIN_E2E: '1', BILIN_E2E_USER_DATA: userDataDir }
+  })
+}
+
+async function skipOnboarding(page: Page): Promise<void> {
+  await page.waitForLoadState('domcontentloaded')
+  if (await page.getByText('欢迎使用笔临').isVisible()) {
+    await page.getByRole('button', { name: '跳过' }).click()
+  }
+}
+
+test.describe('Auto writing', () => {
+  let userDataDir: string
+
+  test.beforeEach(() => {
+    userDataDir = mkdtempSync(join(tmpdir(), 'bilin-e2e-auto-'))
+  })
+
+  test.afterEach(() => {
+    if (userDataDir && existsSync(userDataDir)) {
+      try {
+        rmSync(userDataDir, { recursive: true, force: true, maxRetries: 3, retryDelay: 200 })
+      } catch {
+        /* ignore */
+      }
+    }
+  })
+
+  test('E2E-AUTO-03: auto tab disabled on empty book', async () => {
+    const app = await launchApp(userDataDir)
+    const page = await app.firstWindow()
+    await skipOnboarding(page)
+    await page.getByRole('button', { name: /新建书籍/ }).first().click()
+    await page.locator('.dialog-content input').first().fill('空书')
+    await page.getByRole('button', { name: '创建' }).click()
+    await expect(page.locator('#editor-layout')).toBeVisible({ timeout: 15_000 })
+    await page.getByTestId('panel-tab-ai').click()
+    await expect(page.getByTestId('ai-mode-tab-auto')).toBeDisabled({ timeout: 10_000 })
+    await app.close()
+  })
+})