It looks to me like the emails I am A/B testing in the streams (therefore that I have in separate programs and smart campaigns) will not get an engagement score? My emails I have just dragged into the stream have a score but not those in smart campaigns? Is this correct?
Engagement scores, whether on an email or a program take 72 hours (and then the next morning) to calculate. So it's going to be a few days before your score appears.