1. 重新设计了Generate项目及相关特性的命名，避免与其他类型混淆。

2. 补充了部分注释。
3. 修改了删除容器节点时，容器内子节点未正确删除的问题。

NodeFlow/Model/Nodes/SingleGlobalDataNode.cs

@@ -0,0 +1,196 @@
+using Serein.Library;
+using Serein.Library.Api;
+using System.Dynamic;
+
+namespace Serein.NodeFlow.Model.Nodes
+{
+
+    
+    /// <summary>
+    /// Expression Operation - 表达式操作
+    /// </summary>
+    [FlowDataProperty(ValuePath = NodeValuePath.Node, IsNodeImp = true)]
+    public partial class SingleGlobalDataNode : NodeModelBase
+    {
+        /// <summary>
+        /// 全局数据的Key名称
+        /// </summary>
+        [DataInfo(IsNotification = true)] 
+        private string _keyName;
+
+    }
+     
+    /// <summary>
+    /// 全局数据节点
+    /// </summary>
+    public partial class SingleGlobalDataNode : NodeModelBase, INodeContainer
+    {
+        string INodeContainer.Guid => this.Guid; 
+
+        /// <summary>
+        /// 全局数据节点是基础节点
+        /// </summary>
+        public override bool IsBase => true;
+        /// <summary>
+        /// 数据源只允许放置1个节点。
+        /// </summary>
+        public override int MaxChildrenCount => 1;
+
+        /// <summary>
+        /// 全局数据节点，允许放置一个数据源节点，通常是[Action]或[Script]节点，用于获取全局数据。
+        /// </summary>
+        /// <param name="environment"></param>
+        public SingleGlobalDataNode(IFlowEnvironment environment) : base(environment)
+        {
+        }
+
+        /// <summary>
+        /// 数据来源的节点
+        /// </summary>
+        public IFlowNode? DataNode { get; private set; } = null;
+
+        /// <summary>
+        /// 有节点被放置
+        /// </summary>
+        /// <param name="nodeModel"></param>
+        /// <returns></returns>
+        public bool PlaceNode(IFlowNode nodeModel)
+        {
+            if(nodeModel.ControlType  is not (NodeControlType.Action or NodeControlType.Script))
+            {
+                SereinEnv.WriteLine(InfoType.INFO, "放置在全局数据必须是有返回值的[Action]节点，[Script]节点。");
+                return false;
+            }
+            if (nodeModel.MethodDetails?.ReturnType is null 
+                || nodeModel.MethodDetails.ReturnType == typeof(void))
+            {
+                SereinEnv.WriteLine(InfoType.INFO, "放置在全局数据必须是有返回值的[Action]节点，[Script]节点。");
+                return false;
+            }
+
+            if(DataNode is null)
+            {
+                // 放置节点
+                nodeModel.ContainerNode = this;  
+                ChildrenNode.Add(nodeModel);
+                DataNode = nodeModel;
+
+                MethodDetails.IsAsync = nodeModel.MethodDetails.IsAsync;
+                MethodDetails.ReturnType = nodeModel.MethodDetails.ReturnType;
+                return true;
+            }
+            else if (DataNode.Guid != nodeModel.Guid)
+            {
+                Env.FlowEdit.TakeOutNodeToContainer(DataNode.CanvasDetails.Guid, DataNode.Guid);
+                Env.FlowEdit.PlaceNodeToContainer(this.CanvasDetails.Guid, nodeModel.Guid, this.Guid);
+                return false;
+            }
+            return false;
+            
+        }
+
+        /// <summary>
+        /// 从容器中取出节点
+        /// </summary>
+        /// <param name="nodeModel"></param>
+        /// <returns></returns>
+        public bool TakeOutNode(IFlowNode nodeModel)
+        {
+            if (ChildrenNode.Contains(nodeModel))
+            {
+                ChildrenNode.Remove(nodeModel);
+                nodeModel.ContainerNode = null;
+                DataNode = null;
+                return true;
+            }
+            else
+            {
+                return false;
+            }
+            
+        }
+
+        /// <summary>
+        /// 从容器中取出所有节点
+        /// </summary>
+        public void TakeOutAll()
+        {
+            foreach (var nodeModel in ChildrenNode) 
+            {
+                nodeModel.Env.FlowEdit.TakeOutNodeToContainer(nodeModel.CanvasDetails.Guid, nodeModel.Guid);
+            }
+            DataNode = null;
+        }
+
+
+
+        /// <summary>
+        /// 设置全局数据
+        /// </summary>
+        /// <param name="context"></param>
+        /// <param name="token"></param>
+        /// <returns></returns>
+        public override async Task<FlowResult> ExecutingAsync(IFlowContext context, CancellationToken token)
+        {
+            if (token.IsCancellationRequested) return FlowResult.Fail(this.Guid, context, "流程已通过token取消");
+            if (string.IsNullOrEmpty(KeyName))
+            {
+                context.NextOrientation = ConnectionInvokeType.IsError;
+                return FlowResult.Fail(this.Guid, context, $"全局数据的KeyName不能为空[{this.Guid}]");
+            }
+            if (DataNode is null)
+            {
+                context.NextOrientation = ConnectionInvokeType.IsError;
+                return FlowResult.Fail(this.Guid, context, $"全局数据节点没有设置数据来源[{this.Guid}]");
+            }
+
+
+            var result = await DataNode.ExecutingAsync(context, token);
+            if (result.IsSuccess)
+            {
+                SereinEnv.AddOrUpdateFlowGlobalData(KeyName, result.Value);
+                return result;
+            }
+            else
+            {
+                return FlowResult.Fail(this.Guid, context, $"全局数据节点[{this.Guid}]执行失败，原因：{result.Message}。");
+            }
+        }
+        
+        /// <summary>
+        /// 保存全局变量的数据
+        /// </summary>
+        /// <param name="nodeInfo"></param>
+        /// <returns></returns>
+        public override NodeInfo SaveCustomData(NodeInfo nodeInfo)
+        {
+            dynamic data = new ExpandoObject();
+            data.KeyName = KeyName; // 变量名称
+
+            nodeInfo.CustomData = data;
+            return nodeInfo;
+        }
+
+        /// <summary>
+        /// 加载全局变量的数据
+        /// </summary>
+        /// <param name="nodeInfo"></param>
+        public override void LoadCustomData(NodeInfo nodeInfo)
+        {
+            KeyName = nodeInfo.CustomData?.KeyName;
+        }
+
+       /* /// <summary>
+        /// 需要移除数据节点
+        /// </summary>
+        public override void Remove()
+        {
+            if (DataNode is null) {
+                return;
+            }
+            // 移除数据节点
+            _ = this.Env.RemoveNodeAsync(DataNode.CanvasDetails.Guid, DataNode.Guid);
+        }*/
+
+    }
+}