You could simply activate the high regen with a switch (e.g. the brake light switch that is already there) and still leave all of the factory hydraulic brakes f

You could simply activate the high regen with a switch (e.g. the brake light switch that is already there) and still leave all of the factory hydraulic brakes fully intact. This will activate regen only on a light touch of the brakes, and combine them together seamlessly with heavier braking.