You’re not alone, most people have no idea how to properly add LBM. Dirty bulk/clean bulk IMO are ridiculous terms and mean nothing. A “dirty bulk” is called getting fat, you just happen to lift weights. A “clean bulk” means you want to add mass without getting too fat, plain and simple.
To really add quality LBM properly, you’re going to HAVE TO ADD a little bit of fat and be ok with that, there’s no way around it. Now, you can certainly add more LBM than fat, but it’s really slow and steady process and takes rigid consistency. Find your maintenance, bump it by 10-15% and see how that goes for a couple of weeks. If the scale is increasing slowly and conditioning is good, keep going. If you’re gaining more than a pound a week you’re adding too much fat, unless you’re ok with that. If you’re not tracking macros and eating very consistently every day, it won’t work.
I think a more reasonable approach is to have a decent surplus, train hard and heavy, gain weight/mass, and when your conditioning becomes too puffy, dial it back slightly for 3-4 weeks, lose a few pounds, then back to gaining.
You should NOT be doing low carbs. Protein should be 1g per pound, fat at 30% of daily cals, and fill the rest with carbs. Don’t be carbophobic.
Your total caloric intake will play the most significant role in your body composition and weight, rather than macro distribution. 80g carbs per day is ridiculously low for someone trying to put on LBM. We are similar stature, I’m 5’4" currently 153lbs, eating between 1900-2100 cals a day, at 180g protein, 45g fat and 200g carbs, maintaining nicely. 80g per day is like contest dieting towards the end man. Raise 'em up! If you want to keep it tight, have carbs with breakfast, pre and post workout only but make sure you’re getting enough.