Enum Nexus\Mcp\Core\Schema\Enum\Role

`implements`	`BackedEnum`

The sender or recipient of messages and data in a conversation.

Located at Core/Schema/Enum/Role.php

Cases
`User = 'user'` Human author of the message. Human author of the message.	#
`Assistant = 'assistant'` Model author of the message. Model author of the message.	#