BAsed on a recent doctors appointment and an upper/loower endoscopy it turns out I have celiacs and based on some blood sugar tests dont handle carbs very well (should have known, some relatives have type I diabetes)

I guess thats life, but I just have to take it in stride.
In light of that, I have been thinking that either one of two approaches
might be better for me. Either a fixed macronutrient approach where I do something like 35/30/35 carbs protein and fat, or something like carbs and protein both set at 1.5 grams/lb, then making up all the other calories I need to gain with fat. So it would be a moderate-sightly
higher fat approach based on how many cals I would need I guess. The other approach would be carbohydrate cycling for gaining where protein is fixed, and then I would have 2 higher carb lower fat days (like 2 grams/lb carbs and o.5 g/lb fat), 3 medium carb and medium fat days (1.5 carbs, o.75 fat), and 2 lower carb and higher fat days (like 1 grams carbs and about 1 grams fat/lb) (all while making sure to get in enough calories to gain weight, tarting at like 18Xbw). Which approach do you think might work better? Have you known any bodybuilders who have used more moderate or higher approaches with fats to achieve quality physiques. Sorry to bug you again, I am just trying to deal with the cards life has dealt me
Do you think that carbs or fats make any difference in the quality of muscle gained? since they are both essentialy just energy shouldn't they just be different means to the same end (providing enough cals o let protein do its thing?), with fats being slightly tastier, more energy dense, and less water holding

??