feat: add combat and deleveling AI

Client/Domain/AI/State/RestState.cs

@@ -0,0 +1,42 @@
+using Client.Domain.Entities;
+using Client.Domain.Service;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Client.Domain.AI.State
+{
+    public class RestState : BaseState
+    {
+        public RestState(AI ai) : base(ai)
+        {
+        }
+
+        protected override void DoOnEnter(WorldHandler worldHandler, Config config, Hero hero)
+        {
+            worldHandler.RequestAcquireTarget(hero.Id);
+        }
+
+        protected override void DoExecute(WorldHandler worldHandler, Config config, AsyncPathMoverInterface asyncPathMover, Hero hero)
+        {
+            if (!hero.IsStanding)
+            {
+                return;
+            }
+
+            worldHandler.RequestSit();
+        }
+
+        protected override void DoOnLeave(WorldHandler worldHandler, Config config, Hero hero)
+        {
+            if (hero.IsStanding)
+            {
+                return;
+            }
+
+            worldHandler.RequestStand();
+        }
+    }
+}