The default assistant avatar is the favicon of the application. See how to customize the favicon here. However, you can customize the avatar by placing an image file in theDocumentation Index
Fetch the complete documentation index at: https://docs.chainlit.io/llms.txt
Use this file to discover all available pages before exploring further.
/public/avatars folder.
The image file should be named after the author of the message. For example, if the author is My Assistant, the avatar should be named my_assistant.png.