Enum Nexus\Mcp\Extension\Apps\Schema\Enum\ToolVisibility

`implements`	`BackedEnum`

Who can access a UI-linked tool.

Located at Extension/Apps/Schema/Enum/ToolVisibility.php

Cases
`Model = 'model'` The tool is visible to and callable by the model. The tool is visible to and callable by the model.	#
`App = 'app'` The tool is callable by the embedded app from the same server. The tool is callable by the embedded app from the same server.	#