暂时实现了简陋的脚本AST分析解释，后面再绑定到控件上

Workbench/Node/View/ScriptNodeControl.xaml.cs

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+using Serein.NodeFlow.Model;
+using Serein.Workbench.Node.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+using System.Windows.Threading;
+
+namespace Serein.Workbench.Node.View
+{
+    /// <summary>
+    /// ScriptNodeControl.xaml 的交互逻辑
+    /// </summary>
+    public partial class ScriptNodeControl : NodeControlBase
+    {
+        private ScriptNodeControlViewModel viewModel => (ScriptNodeControlViewModel)ViewModel;
+        private DispatcherTimer _debounceTimer; // 用于延迟更新
+        private bool _isUpdating = false;    // 防止重复更新
+
+        public ScriptNodeControl()
+        {
+            InitializeComponent();
+        }
+        public ScriptNodeControl(ScriptNodeControlViewModel viewModel) : base(viewModel)
+        {
+            DataContext = viewModel;
+            InitializeComponent();
+
+#if false
+            // 初始化定时器
+            _debounceTimer = new DispatcherTimer();
+            _debounceTimer.Interval = TimeSpan.FromMilliseconds(500); // 停止输入 500ms 后更新
+            _debounceTimer.Tick += DebounceTimer_Tick; 
+#endif
+        }
+
+
+#if false
+        // 每次输入时重置定时器
+        private void RichTextBox_TextChanged(object sender, TextChangedEventArgs e)
+        {
+            _debounceTimer.Stop();
+            _debounceTimer.Start();
+        }
+
+        // 定时器事件，用户停止输入后触发
+        private async void DebounceTimer_Tick(object sender, EventArgs e)
+        {
+            _debounceTimer.Stop();
+
+            if (_isUpdating)
+                return;
+
+            // 开始后台处理语法分析和高亮
+            _isUpdating = true;
+            await Task.Run(() => HighlightKeywordsAsync(viewModel.Script));
+        }
+
+        // 异步执行语法高亮操作
+        private async Task HighlightKeywordsAsync(string text)
+        {
+            if (string.IsNullOrEmpty(text))
+            {
+                return;
+            }
+            // 模拟语法分析和高亮（可以替换为实际逻辑）
+            var highlightedText = text;
+
+            // 在 UI 线程中更新 RichTextBox 的内容
+            await Dispatcher.BeginInvoke(() =>
+            {
+                var range = new TextRange(richTextBox.Document.ContentStart, richTextBox.Document.ContentEnd);
+                range.Text = highlightedText;
+            });
+
+            _isUpdating = false;
+        }
+
+#endif
+
+
+
+
+    }
+}