Changes to List the models the provider offers for a chat session

added the optional property models/items/supportsFast to the response with the 200 status

added the optional property selected/autoCompactWindow to the response with the 200 status

added the optional property selected/fastMode to the response with the 200 status

added the optional property selected/planMode to the response with the 200 status

removed the agent_switch_saga enum value from the reporting_owner response property for the response status 404

removed the agent_switch_saga enum value from the reporting_owner response property for the response status 409

removed the agent_switch_saga enum value from the reporting_owner response property for the response status 500

removed the agent_switch_saga enum value from the reporting_owner response property for the response status 501

added the optional property reporting_owner to the response with the 404 status

added the optional property reporting_owner to the response with the 409 status

added the optional property reporting_owner to the response with the 500 status

added the optional property reporting_owner to the response with the 501 status

endpoint added