fix(test): stabilize E2E cockpit flow and add LM Studio novel integration test

Harden cockpit dismiss timing and global settings navigation in E2E helpers, tune short-chapter AI prompts for local models, fix electron-updater CJS loading, and add a 10-chapter auto-writing integration test against LM Studio.

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

e2e/writing-goals.spec.ts

@@ -30,9 +30,12 @@ async function skipOnboarding(page: Page): Promise<void> {
 
 async function dismissCockpitIfOpen(page: Page): Promise<void> {
   const cockpit = page.locator('[data-testid="cockpit-modal"]')
-  if (await cockpit.isVisible({ timeout: 3000 }).catch(() => false)) {
-    await page.locator('[data-testid="cockpit-modal"] .modal-close').click()
+  try {
+    await cockpit.waitFor({ state: 'visible', timeout: 15_000 })
+    await cockpit.locator('.modal-close').click()
     await expect(cockpit).toBeHidden({ timeout: 5000 })
+  } catch {
+    /* cockpit did not open */
   }
 }
 
@@ -45,6 +48,7 @@ async function createAndOpenBook(page: Page, name: string): Promise<void> {
 }
 
 async function ensureChapterEditor(page: Page): Promise<void> {
+  await dismissCockpitIfOpen(page)
   const items = page.locator('.chapter-item')
   if ((await items.count()) === 0) {
     await page.getByRole('button', { name: '+ 新章' }).click()
@@ -88,17 +92,18 @@ test.describe('Writing goals P5.3', () => {
     await createAndOpenBook(page, '目标测试书')
     await ensureChapterEditor(page)
 
-    await page.getByRole('button', { name: '设置' }).click()
-    await page.locator('[data-testid="settings-daily-word-goal"]').fill('100')
-    await page.getByRole('button', { name: '书籍' }).click()
+    await page.getByTestId('topbar-settings').click()
+    await expect(page.locator('#settings-page')).toBeVisible({ timeout: 10_000 })
+    await page.locator('[data-testid="settings-daily-word-goal"]').fill('30')
+    await page.getByRole('button', { name: '目标测试书' }).click()
     await ensureChapterEditor(page)
 
     const editor = page.locator('.ProseMirror')
     await editor.click()
     await editor.pressSequentially(
-      '这是一段用于测试每日写作目标达标的示例文字，需要足够长度才能触发字数统计与达标提醒通知。'
+      '这是一段用于测试每日写作目标达标的示例文字，需要足够长度才能触发字数统计与达标提醒通知。继续书写更多内容以确保超过三十字的目标阈值。'
     )
-    await page.waitForTimeout(1500)
+    await page.waitForTimeout(2500)
 
     await expect(page.locator('[data-testid="status-daily-goal"].goal-met')).toBeVisible({
       timeout: 15_000