🐛 Problem:
- WordPress Media library not loaded in standalone mode
- Error: 'wp.media is not available'
- Image upload functionality broken
✅ Solution:
- Added wp_enqueue_media() in render_standalone_admin()
- Added wpApiSettings global for REST API compatibility
- Print media-editor and media-audiovideo scripts
- Print media-views and imgareaselect styles
📝 Changes:
- StandaloneAdmin.php:
- Enqueue media library
- Output media styles in <head>
- Output media scripts before app.js
- Add wpApiSettings global
🎯 Result:
- WordPress media library now available in standalone mode
- Image upload works correctly
- 'Choose from Media Library' button functional