Interesting reading through your trails and tribulations of getting this thing to work and then going one better
.
Has any of the original manufacturer reached out to you about fixing their product?
OR has others, like you gone the open-source route and just fixed it?
The "breathing" part of the light would get irritating to me after bit. Wouldn't matter if it was green or red.
Possibly redirect that color to say a little RGB LED that changes colors with the Grid notices?
Cheers;
Bruce S