```

Increase test coverage across multiple modules (91.2% statements, 82.85% branches, 82.35% functions, 93.1% lines)

Update abort controller handling in OllamaClient to properly clean up previous controllers

Remove unused imports and constants: MODEL_NAME_REGEX, MouseEvent, DEFAULT_SETTINGS, convertMarkdownToHtml

Refactor event handler naming to be more consistent
```

src/utils.ts

@@ -199,7 +199,3 @@ export function isValidHttpUrl(url: string): boolean {
 }
 
 // ==================== Markdown Utilities ====================
-
-export function convertMarkdownToHtml(markdown: string): string {
-  return markdown.replace(/\n/g, '<br>').replace(/# (.+)/g, '<h1>$1</h1>');
-}