(client) feat:添加基地界面到游玩界面的过程，添加存档管理，技能树变得可用 (#58)

Co-authored-by: m0_75251201 <m0_75251201@noreply.gitcode.com>
Reviewed-on: http://47.107.252.169:3000/Roguelite-Game-Developing-Team/Gen_Hack-and-Slash-Roguelite/pulls/58

Client/Assets/Scripts/AI/LeafNodeBase.cs

@@ -0,0 +1,76 @@
+using System;
+
+namespace AI
+{
+    public abstract class LeafNodeBase : BehaviorTreeBase
+    {
+        // 已经运行的帧数
+        protected int _elapsedFrames;
+        // 默认超时帧数
+        protected int _timeoutFrames = 180; 
+
+        /// <summary>
+        /// 获取或设置该叶节点的超时帧数。确保超时帧数至少为1。
+        /// </summary>
+        public int TimeoutFrames
+        {
+            get => _timeoutFrames;
+            set => _timeoutFrames = Math.Max(1, value);
+        }
+
+        // 剩余帧数
+        public int RemainingFrames => TimeoutFrames - _elapsedFrames;
+
+        /// <summary>
+        /// 抽象方法，由具体的叶节点实现其核心业务逻辑。
+        /// <see cref="LeafNodeBase"/> 会在计时器管理后调用此方法。
+        /// </summary>
+        /// <returns>节点的执行状态（Running, Success, Failure）。</returns>
+        protected abstract Status ExecuteLeafLogic();
+
+        /// <summary>
+        /// <see cref="LeafNodeBase"/> 的 Tick 方法，包含了计时器和状态管理逻辑。
+        /// 此方法被密封，子类应实现 <see cref="ExecuteLeafLogic"/> 而不是重写 Tick。
+        /// </summary>
+        public sealed override Status Tick()
+        {
+            if (CurrentStatus == Status.Ready)
+            {
+                CurrentStatus = Status.Running; 
+                _elapsedFrames = 0;             
+            }
+
+            if (CurrentStatus == Status.Running)
+            {
+                _elapsedFrames++; 
+
+                if (_elapsedFrames > _timeoutFrames)
+                {
+                    CurrentStatus = Status.Failure; 
+                    Reset(); 
+                    return Status.Failure;
+                }
+
+                var logicResult = ExecuteLeafLogic();
+
+                if (logicResult != Status.Running)
+                {
+                    CurrentStatus = logicResult; 
+                    Reset(); 
+                }
+                return logicResult;
+            }
+
+            return CurrentStatus;
+        }
+
+        /// <summary>
+        /// 重置叶节点的状态，包括基类状态和内部计时器。
+        /// </summary>
+        public override void Reset()
+        {
+            base.Reset();       
+            _elapsedFrames = 0; 
+        }
+    }
+}