- Add URL generation to notification class using base_url() helper
- Replace config('app.url') with proper base_url() for accurate instance URL
- Make server names clickable links to proxy configuration page
- Use data_get() with fallback values for safer template data access
- Add comprehensive tests for URL generation and email rendering
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
