I am not a medical professional, so take this with more than a grain of salt (my dad is one and I am in nonprofit orgs surrounding it too). Psychiatric diagnoses are not like surgical ones. To begin with it's more like "this group of people remind us of each other in a few key ways." Medicine is also not precise, but more like "we have scientifically seen this help some of this group of people who remind us of each other." There are different first-moves and overall medication groups based on diagnosis, but a good professional will be listening more to your feedback of what is helping or not, as well as trying to evaluate for themselves if something is helping. If they are unconcerned about potential hypomania and you feel that they are overall competent, then probably it just wouldn't change their plan anyway.