feat: ship v1.1.0 writer toolkit with templates, import, export, and inspiration capture

Implement chapter templates, txt/md/docx import, submission export presets, and global inspiration shortcut. Split import handlers into a separate main bundle and fix EditorLayout setTarget loop that broke E2E.

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

src/main/index.ts

@@ -50,8 +50,10 @@ function createWindow(): void {  mainWindow = new BrowserWindow({
   getNetworkMonitor()?.start(() => mainWindow)
 }
 
-app.whenReady().then(() => {
-  registerIpc()
+app.whenReady().then(async () => {
+  const { books } = registerIpc()
+  const { bootstrapImportHandlers } = await import('./import-bootstrap.js')
+  bootstrapImportHandlers(books)
 
   ipcMain.handle(IPC.WINDOW_MINIMIZE, (event) => {
     BrowserWindow.fromWebContents(event.sender)?.minimize()