修改使用TriggerDataService模式

DMS.WPF/ViewModels/Items/TriggerItemViewModel.cs

@@ -0,0 +1,96 @@
+using System.Collections.ObjectModel;
+using CommunityToolkit.Mvvm.ComponentModel;
+using DMS.Application.DTOs;
+using DMS.Core.Models.Triggers;
+
+namespace DMS.WPF.ViewModels.Items
+{
+    /// <summary>
+    /// 触发器项视图模型
+    /// </summary>
+    public partial class TriggerItemViewModel : ObservableObject
+    {
+        /// <summary>
+        /// 触发器唯一标识符
+        /// </summary>
+        [ObservableProperty]
+        private int _id;
+
+        /// <summary>
+        /// 触发器描述
+        /// </summary>
+        [ObservableProperty]
+        private string _description = string.Empty;
+
+        /// <summary>
+        /// 触发器是否处于激活状态
+        /// </summary>
+        [ObservableProperty]
+        private bool _isActive;
+
+        /// <summary>
+        /// 触发条件类型
+        /// </summary>
+        [ObservableProperty]
+        private ConditionType _condition;
+
+        /// <summary>
+        /// 阈值 (用于 GreaterThan, LessThan, EqualTo, NotEqualTo)
+        /// </summary>
+        [ObservableProperty]
+        private double? _threshold;
+
+        /// <summary>
+        /// 下限 (用于 InRange, OutOfRange)
+        /// </summary>
+        [ObservableProperty]
+        private double? _lowerBound;
+
+        /// <summary>
+        /// 上限 (用于 InRange, OutOfRange)
+        /// </summary>
+        [ObservableProperty]
+        private double? _upperBound;
+
+        /// <summary>
+        /// 动作类型
+        /// </summary>
+        [ObservableProperty]
+        private ActionType _action;
+
+        /// <summary>
+        /// 动作配置 JSON 字符串
+        /// </summary>
+        [ObservableProperty]
+        private string _actionConfigurationJson = string.Empty;
+
+        /// <summary>
+        /// 抑制持续时间
+        /// </summary>
+        [ObservableProperty]
+        private TimeSpan? _suppressionDuration;
+
+        /// <summary>
+        /// 上次触发的时间
+        /// </summary>
+        [ObservableProperty]
+        private DateTime? _lastTriggeredAt;
+
+        /// <summary>
+        /// 创建时间
+        /// </summary>
+        [ObservableProperty]
+        private DateTime _createdAt;
+
+        /// <summary>
+        /// 最后更新时间
+        /// </summary>
+        [ObservableProperty]
+        private DateTime _updatedAt;
+
+        /// <summary>
+        /// 关联的变量 ID 列表
+        /// </summary>
+        public ObservableCollection<int> VariableIds { get; } = new ObservableCollection<int>();
+    }
+}