chore(release): bump version to 5.0.0

package.json

@@ -1,6 +1,6 @@
 {
   "name": "markdown-converter",
-  "version": "4.4.2",
+  "version": "5.0.0",
   "description": "Professional Markdown editor and universal file converter with PDF editing, batch processing, and syntax highlighting",
   "main": "src/main/index.js",
   "scripts": {

tests/preload.test.js

@@ -89,8 +89,6 @@ describe('Preload Security', () => {
       'undo',
       'redo',
       'adjust-font-size',
-      'print-preview',
-      'print-preview-styled',
       'show-export-dialog',
       'show-batch-dialog',
       'show-universal-converter-dialog',