Ranged combat is going to be entirely target size vs distance for target number. I don't know what this is going to mean for a moving target yet. I am starting with a man sized target at short range as my base line on this. The target number is going to be something easy for this, I am proposing 11 and will see how that goes tonight.
From here size will add or detract from target number.
Broad side of Barn = -6
Car = -4
Horse = -2
Man = 0
Dog = +2
Bowling Ball = +4
Squirrel = +6
Distance will add +2 to the target number for every range increment. So a head shot at two steps beyond short will be 19. I am tracking target number, number rolled and success in game. So hopefully if this is too easy , 19 seems too eazy, I will change it.
Doing damage is going to have a lot of carry over from the actual shot. So you are going to be able to increase your damage for every success on the to hit roll. Each one will give and extra open ended D4. for two successes you can buy an armor defeating hit. For three you can force a wound check after damage hast been dealt. Additional successes can be directly applied to make the wound check more difficult
The damage roll itself generated direct damage that sort of works like hit points. If the weapon give extra success they can be used to also add damage at 1 per D4. But the cost of forcing a wound check is only two successes here. Also if the to hit roll forced a wound check you can add successes from the damage too.
So what is the Wound check? This is a "Saving Throw" against serious hurts. The target number is.your total current damage. Should you fail you take a wound, which will count as a negative success to all rolls, until it is resolved. If you fail with negative successes those are applied as additional wounds. Should you fail by a number of successes equal to your physical resistant you have died. This number will be treated as a max of two on head shots.
I have no idea about recovery. Vaguely i have though about scenes being tied to healing. If the scene ends the play heals some small amount if nothing was done. More with basic aid and a scene dedicated to major medical care completely heals the character. Not sure though