Changes to List agents

added the optional property items/variant to the response with the 200 status

the items/permission response's property type changed from object to array for status 200

removed the required property items/permission/bash from the response with the 200 status

removed the required property items/permission/edit from the response with the 200 status

removed the required property items/permission/skill from the response with the 200 status

removed the required property items/tools from the response with the 200 status

removed the optional property items/default from the response with the 200 status

removed the optional property items/maxSteps from the response with the 200 status

removed the optional property items/permission/doom_loop from the response with the 200 status

removed the optional property items/permission/external_directory from the response with the 200 status

removed the optional property items/permission/webfetch from the response with the 200 status

added the optional property items/steps to the response with the 200 status