(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/ConstantNode.cs

@@ -0,0 +1,45 @@
+namespace AI
+{
+    /// <summary>
+    /// 行为树叶节点：始终返回 Status.Success。
+    /// </summary>
+    public class ConstantNode_Success : BehaviorTreeBase
+    {
+        /// <summary>
+        /// 执行节点逻辑，总是返回 Status.Success。
+        /// </summary>
+        /// <returns>Status.Success</returns>
+        public override Status Tick()
+        {
+            return Status.Success;
+        }
+    }
+    /// <summary>
+    /// 行为树叶节点：始终返回 Status.Failure。
+    /// </summary>
+    public class ConstantNode_Failure : BehaviorTreeBase
+    {
+        /// <summary>
+        /// 执行节点逻辑，总是返回 Status.Failure。
+        /// </summary>
+        /// <returns>Status.Failure</returns>
+        public override Status Tick()
+        {
+            return Status.Failure;
+        }
+    }
+    /// <summary>
+    /// 行为树叶节点：始终返回 Status.Running。
+    /// </summary>
+    public class ConstantNode_Running : BehaviorTreeBase
+    {
+        /// <summary>
+        /// 执行节点逻辑，总是返回 Status.Running。
+        /// </summary>
+        /// <returns>Status.Running</returns>
+        public override Status Tick()
+        {
+            return Status.Running;
+        }
+    }
+}