Fighter Subclass - The Corpsman, a battle medic that carries their friends to safety

[Fnissalot]

I like it, I tend to want to play a thief rogue for the fast hands and healer feat combo, and this fills the same niche on a class I actually enjoy. Nice!

The things I would change are, first, "Additionally, you can make a Medicine check or use the Healer’s Kit to stabilize a creature as a bonus action." to "Additionally, you can make a Medicine check to stabilize a creature or use the Healer’s Kit as a bonus action." to allow the second ability of the healer feat to be done as a bonus action as well, and second, make the first part of Triage into a bonus action. The first part would still be a ribbon, and the second still competes with your other actions while it has its uses.

Otherwise, good job!