Changes to Start Run

the request property agent_id became optional

request property agent_id list-of-types was widened by adding types null to media type application/json

removed the request property early_stop

removed the request property faults

removed the request property strategies

the mode request property default value changed from observe to enforce

added the new optional request property early_stop

added the new optional request property faults

added the new optional request property strategies

endpoint added