Add EntityEffectOnTrigger and RejuvenateOnTrigger (#40967)

commit

Content.Shared/Administration/Systems/RejuvenateSystem.cs

@@ -0,0 +1,14 @@
+using Content.Shared.Rejuvenate;
+
+namespace Content.Shared.Administration.Systems;
+
+public sealed class RejuvenateSystem : EntitySystem
+{
+    /// <summary>
+    /// Fully heals the target, removing all damage, debuffs or other negative status effects.
+    /// </summary>
+    public void PerformRejuvenate(EntityUid target)
+    {
+        RaiseLocalEvent(target, new RejuvenateEvent());
+    }
+}