Correct. It works, but is over engineered.
After several tests I came to the conclusion that the "reverse" short/long press method with a single key trigger is the best. Are you aware of how well this works? By reversing (short press on key down), there are no letter twists in normal writing. This disadvantage has made the single key trigger function unusable for many. I don't know if you want to make it „more perfect“, but everything I put on in reverse works reliably, both actions. This is a feature. Only BTT can do that. I would include this in the documentation.
You probably didn't read this because you are supposed to read so much. 