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-analytics.spec.ts

@@ -28,9 +28,12 @@ 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 */
   }
 }
 
@@ -43,6 +46,7 @@ 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()
@@ -104,9 +108,11 @@ test.describe('Writing analytics P9', () => {
     await page.getByTestId('setting-name-input').fill('主角视角')
     await page.locator('.dialog-content select').selectOption('character')
     await page.getByRole('button', { name: '创建' }).click()
-    await expect(page.getByText('主角视角')).toBeVisible({ timeout: 10_000 })
+    await expect(page.getByTestId(/setting-item-/).filter({ hasText: '主角视角' })).toBeVisible({
+      timeout: 10_000
+    })
 
-    await page.getByTestId('sidebar-tab-chapter').click()
+    await page.getByTestId('sidebar-tab-chapters').click()
     await ensureChapterEditor(page)
     await page.getByTestId('chapter-pov-select').selectOption({ label: '主角视角' })