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>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "bilin",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "笔临 - 长篇创作智能协作平台",
   "main": "./out/main/index.js",
   "type": "module",
@@ -34,6 +34,8 @@
     "electron": "^36.9.0",
     "i18next": "^24.2.3",
     "jotai": "^2.12.1",
+    "mammoth": "^1.12.0",
+    "marked": "^15.0.12",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "react-i18next": "^15.4.1",
@@ -44,6 +46,7 @@
     "@playwright/test": "^1.51.0",
     "@types/cytoscape": "^3.21.9",
     "@types/diff-match-patch": "^1.0.36",
+    "@types/marked": "^6.0.0",
     "@types/node": "^22.13.0",
     "@types/react": "^18.3.18",
     "@types/react-dom": "^18.3.5",