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/App.tsx

@@ -18,6 +18,7 @@ import { useEditStore } from '@renderer/stores/useEditStore'
 import { SearchModal } from '@renderer/components/search/SearchModal'
 import { InspirationModal } from '@renderer/components/inspiration/InspirationModal'
 import { ImportBookModal } from '@renderer/components/import/ImportBookModal'
+import { ExportAllModal } from '@renderer/components/export/ExportAllModal'
 import { FocusModeOverlay } from '@renderer/components/focus/FocusModeOverlay'
 import { NamingCheckModal } from '@renderer/components/ai/NamingCheckModal'
 import { useSearchStore } from '@renderer/stores/useSearchStore'
@@ -209,6 +210,7 @@ function AppInner(): React.JSX.Element {
       <SearchModal />
       <InspirationModal />
       <ImportBookModal />
+      <ExportAllModal />
       <NamingCheckModal open={namingCheckOpen} onClose={() => setNamingCheckOpen(false)} />
       {toast && <div className="toast">{toast}</div>}
     </div>