WordPress Plugin Asset Requirements:

1. Banner Images:
   - banner-772x250.png - Regular banner for plugin directory
   - banner-1544x500.png - High-resolution (2x) banner for plugin directory
   - Format: PNG
   - The banner should include the plugin name and a brief visual representation of its functionality

2. Icon Images:
   - icon-128x128.png - Regular icon for plugin directory
   - icon-256x256.png - High-resolution (2x) icon for plugin directory
   - Format: PNG
   - The icon should be simple and recognizable

3. Screenshots:
   - screenshot-1.png, screenshot-2.png, etc. - Screenshots showing the plugin in action
   - Format: PNG
   - Recommended to include screenshots of:
     - The frontend chat interface
     - The admin settings page
     - Any other notable features

Note: These placeholder files need to be replaced with actual images before they will appear in the WordPress plugin directory.