Jake...I'm glad your still with us.
I've been lucky NEVER to have experienced brake failure.
The
first thing I ever bought for my 'bolt was a dual servo/dual circuit brake master.
Who cares about originality,when your life is at stake! The poky wee single circuit master just didn't cut it for me!
I'm just waiting for my new brake lines and flexis to arrive.
3 things.....Brakes,tires and steering, I NEVER skimp on.
I hope you are making good progress.

Good luck
Jock