It’s only a dozen key presses for a guaranteed game-over.
By the time the fatigue bar indicates your stamina is draining too fast (If you even notice in time), the speed penalties are certain death. I keep having to OCD check the side panel, and now OCD-cycling the walk/run/crouch status to be certain is a nuisance.
A flashing notification on the side panel that’s bigger than the surrounding static info, or a very central animation to your character on the screen would be great. Maybe make the character “@” symbol flash different colors when you’re set to run or crouch. Or that animated damage text that floats away, saying “Sprint!” with running steps or “Crouched!” when crouching.