release: v0.5.0 — 升级 MetonaEditor 0.4.0 / MetonaToast 0.5.0，数据库迁移 MetonaSqlark 0.4.1

- 编辑器升级 0.4.0：TypeScript 全模块重构、启用浮动格式工具栏
- 通知升级 0.5.0：钩子系统、新增动画
- 移除 Dexie.js，迁移至 MetonaSqlark 0.4.1（AriaEngine：LSM-Tree + WAL + MVCC）
- 数据库更换为 MarkLiteV2，旧 Dexie 数据放弃
- 修复 Editor 组件无条件重渲染（getActiveTab 返回新引用）
- 更新关于弹框、README、DESIGN 文档

package.json

@@ -1,6 +1,6 @@
 {
   "name": "marklite",
-  "version": "0.4.5",
+  "version": "0.5.0",
   "description": "Lightweight Markdown Editor for Windows",
   "main": "./dist/main/index.js",
   "scripts": {
@@ -28,9 +28,9 @@
   "author": "MarkLite",
   "license": "MIT",
   "dependencies": {
-    "@metona-team/metona-editor": "0.2.4",
-    "@metona-team/metona-toast": "0.2.1",
-    "dexie": "^4.0.11",
+    "@metona-team/metona-editor": "^0.4.0",
+    "@metona-team/metona-sqlark": "^0.4.1",
+    "@metona-team/metona-toast": "^0.5.0",
     "mermaid": "^10.9.6",
     "nanoid": "^5.1.5",
     "react": "^18.3.1",