feat(w2): ship v1.3.0 project pack UI, preload, and E2E

Wire .novel/.novel-all export-import through modals, settings backup, and home bulk export with progress IPC.

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

src/renderer/components/settings/SettingsPage.tsx

@@ -5,6 +5,7 @@ import { useSettingsStore } from '@renderer/stores/useSettingsStore'
 import { ShortcutEditor } from '@renderer/components/settings/ShortcutEditor'
 import { AiSettingsPage } from '@renderer/components/settings/AiSettingsPage'
 import { TemplateSettingsTab } from '@renderer/components/settings/TemplateSettingsTab'
+import { BackupSettingsTab } from '@renderer/components/settings/BackupSettingsTab'
 import { SubmissionPresetTab } from '@renderer/components/settings/SubmissionPresetTab'
 
 const THEMES: { id: ThemeId; key: string }[] = [
@@ -21,7 +22,7 @@ export function SettingsPage(): React.JSX.Element {
   const { t } = useTranslation()
   const settings = useSettingsStore()
   const [section, setSection] = useState<
-    'general' | 'ai' | 'templates' | 'submission' | 'shortcuts' | 'about'
+    'general' | 'ai' | 'templates' | 'submission' | 'backup' | 'shortcuts' | 'about'
   >('general')
 
   return (
@@ -62,6 +63,15 @@ export function SettingsPage(): React.JSX.Element {
         >
           {t('settings.submission')}
         </div>
+        <div
+          className={`settings-nav-item ${section === 'backup' ? 'active' : ''}`}
+          onClick={() => setSection('backup')}
+          role="button"
+          tabIndex={0}
+          data-testid="settings-nav-backup"
+        >
+          {t('settings.backup')}
+        </div>
         <div
           className={`settings-nav-item ${section === 'shortcuts' ? 'active' : ''}`}
           onClick={() => setSection('shortcuts')}
@@ -249,10 +259,11 @@ export function SettingsPage(): React.JSX.Element {
         {section === 'ai' && <AiSettingsPage />}
         {section === 'templates' && <TemplateSettingsTab />}
         {section === 'submission' && <SubmissionPresetTab />}
+        {section === 'backup' && <BackupSettingsTab />}
         {section === 'shortcuts' && <ShortcutEditor />}
         {section === 'about' && (
           <p style={{ color: 'var(--text-secondary)', lineHeight: 1.8 }}>
-            {t('app.name')} v1.2.0
+            {t('app.name')} v1.3.0
             <br />
             {t('app.tagline')}
           </p>