LocalFlowEnvironment文件丢失，需要重写

NodeFlow/Services/FlowOperationService.cs

@@ -0,0 +1,81 @@
+using Serein.Library.Api;
+using Serein.NodeFlow.Model.Operation;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Serein.NodeFlow.Services
+{
+    public class FlowOperationService 
+    {
+        private readonly ISereinIOC sereinIOC;
+
+        public FlowOperationService(ISereinIOC sereinIOC)
+        {
+            this.sereinIOC = sereinIOC;
+        }
+
+        /// <summary>
+        /// 撤销栈
+        /// </summary>
+        private Stack<IOperation> undoStack = [];
+        /// <summary>
+        /// 重做栈
+        /// </summary>
+        private Stack<IOperation> redoStack = [];
+
+
+        /*
+          // 执行新命令时，将命令推入撤销栈，并清空重做栈
+         */
+        /// <summary>
+        /// 撤销
+        /// </summary>
+        public void Undo()
+        {
+            if (undoStack.Count > 0)
+            {
+                var command = undoStack.Pop();
+                var state = command.Undo();  // 执行撤销
+                if (state)
+                {
+                    redoStack.Push(command);  // 将撤销的命令推入重做栈
+
+                }
+            }
+        }
+
+        /// <summary>
+        /// 重做
+        /// </summary>
+        public void Redo()
+        {
+            if (redoStack.Count > 0)
+            {
+                var command = redoStack.Pop();
+                var state =  command.Execute();
+                if (state)
+                {
+                    undoStack.Push(command);  // 将重做的命令推入撤销栈
+                }
+            }
+        }
+
+
+        internal void Execute(IOperation operation)
+        {
+            sereinIOC.InjectDependenciesProperty(operation); // 注入所需要的依赖
+            var state =  operation.Execute();
+            if (state)
+            {
+                // 执行后，推入撤销栈，并清空重做栈
+                undoStack.Push(operation);
+                redoStack.Clear();
+            }
+          
+        }
+
+    }
+}