
...adding your mech's overall heath percentage could be helpful. I know there have been previous requests for a HTAL system, and IIRC the Ask The Devs at the time said "[Maybe but no current plans]" and I don't know if there have been any further statements since then.
I ask as, imagine you've just been sniped by a ER PPC. Did that hit to my arm just take off 1%? 2%? 5%? More? An HTAL system would address that better, but adding an existing piece of information to an existing screen would probably be pretty quick/easy.