Turn some implants into triggers (#39364)

Co-authored-by: ArtisticRoomba <145879011+ArtisticRoomba@users.noreply.github.com>

Content.Shared/Trigger/Systems/UncuffOnTriggerSystem.cs

@@ -0,0 +1,34 @@
+using Content.Shared.Cuffs;
+using Content.Shared.Cuffs.Components;
+using Content.Shared.Trigger.Components.Effects;
+
+namespace Content.Shared.Trigger.Systems;
+
+public sealed class UncuffOnTriggerSystem : EntitySystem
+{
+    [Dependency] private readonly SharedCuffableSystem _cuffable = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<UncuffOnTriggerComponent, TriggerEvent>(OnTrigger);
+    }
+
+    private void OnTrigger(Entity<UncuffOnTriggerComponent> ent, ref TriggerEvent args)
+    {
+        if (args.Key != null && !ent.Comp.KeysIn.Contains(args.Key))
+            return;
+
+        var target = ent.Comp.TargetUser ? args.User : ent.Owner;
+
+        if (target == null)
+            return;
+
+        if (!TryComp<CuffableComponent>(target.Value, out var cuffs) || cuffs.Container.ContainedEntities.Count < 1)
+            return;
+
+        _cuffable.Uncuff(target.Value, args.User, cuffs.LastAddedCuffs);
+        args.Handled = true;
+    }
+}