Unfortunately, the guard rolls a 4, which is both under his Awareness of 8 and higher than Suboti's roll. The guard spots her. Combat is an opposed roll. Any damage that gets past the parry is reduced by armor, and causes a wound. If the resulting damage is CON or greater, it's a major wound, which effectively takes the victim out of the fight, and usually has a long-term effect.
Wounds take a long time to heal.
This will handle minor wounds, but severe wounds can take weeks to heal, and only do so under the tender ministrations of a Chirurgeon. Behaving in accordance with a trait earns a check. The GM assigns skill or trait checks. Over winter, players roll for their character's checks. Rolling over the skill or trait means it increases by one.