1.2.8

• NEW: Import/Export now supports both JSON and CSV with robust validation
• NEW: SweetAlert2 notifications for all import/export actions and errors
• NEW: CSV export with dynamic meta fields and Excel compatibility
• IMPROVED: Drag-and-drop UI and external CSS for admin
• IMPROVED: Security validation for file uploads and AJAX
• FIXED: Date format validation and user warnings for CSV import
• FIXED: Prevent export if no reviews exist (with alert)
• FIXED: Alert if no file selected on import

Full Changelog: 1.2.7...1.2.8