release: v0.6.0 — 内置解析器迁移 / Toast 全面接入 / Sqlark 深度集成

- 渲染管线迁移至 MetonaEditor 内置解析器，移除 unified/rehype 全家桶（9 个依赖）
- 修复相对路径图片修复的目录前缀碰撞与路径解析 bug
- ConfirmDialog/useConfirm/LoadingSpinner/useDocStats 移除，改用 MeToast.confirm/loading/promise
- 新增状态栏（字数/行数/阅读时间/光标位置）、Zen 模式、数据备份导出导入
- Sqlark: 版本化迁移（addMigration/migrateTo）、subscribe 表变更、备份 exportAll/importTable
- 数据库损坏自愈：异常退出残留残缺 SSTable 导致打开失败时自动重建
- 大纲导航改用 scrollToLine 官方 API
- 修复 rollup 平台包互删（postinstall 自动补齐）+ 集成测试（fake-indexeddb）

package.json

@@ -1,6 +1,6 @@
 {
   "name": "marklite",
-  "version": "0.5.0",
+  "version": "0.6.0",
   "description": "Lightweight Markdown Editor for Windows",
   "main": "./dist/main/index.js",
   "scripts": {
@@ -14,7 +14,8 @@
     "test": "vitest run",
     "test:watch": "vitest",
     "test:coverage": "vitest run --coverage",
-    "prepare": "husky"
+    "prepare": "husky",
+    "postinstall": "node scripts/ensure-rollup-platform.mjs"
   },
   "lint-staged": {
     "*.{ts,tsx}": [
@@ -35,18 +36,10 @@
     "nanoid": "^5.1.5",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
-    "rehype-highlight": "^7.0.2",
-    "rehype-raw": "^7.0.0",
-    "rehype-sanitize": "^6.0.0",
-    "rehype-stringify": "^10.0.0",
-    "remark-gfm": "^4.0.1",
-    "remark-parse": "^11.0.0",
-    "remark-rehype": "^11.1.2",
-    "unified": "^11.0.5",
-    "unist-util-visit": "^5.1.0",
     "zustand": "^5.0.6"
   },
   "devDependencies": {
+    "@rollup/rollup-linux-x64-gnu": "^4.60.4",
     "@testing-library/jest-dom": "^6.9.1",
     "@testing-library/react": "^16.3.2",
     "@types/jsdom": "^28.0.3",
@@ -60,6 +53,7 @@
     "eslint": "^9.22.0",
     "eslint-plugin-react-hooks": "^5.2.0",
     "eslint-plugin-react-refresh": "^0.4.19",
+    "fake-indexeddb": "^6.2.5",
     "husky": "^9.1.7",
     "jsdom": "^29.1.1",
     "lint-staged": "^17.0.7",