千问写完触发器功能，错误未修复

DMS.Core/Models/Triggers/TriggerDefinition.cs

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+using System;
+
+namespace DMS.Core.Models.Triggers
+{
+    /// <summary>
+    /// 触发器条件类型枚举
+    /// </summary>
+    public enum ConditionType
+    {
+        GreaterThan,
+        LessThan,
+        EqualTo,
+        NotEqualTo,
+        InRange, // 值在 LowerBound 和 UpperBound 之间 (包含边界)
+        OutOfRange // 值低于 LowerBound 或高于 UpperBound
+    }
+
+    /// <summary>
+    /// 触发器动作类型枚举
+    /// </summary>
+    public enum ActionType
+    {
+        SendEmail,
+        ActivateAlarm,
+        WriteToLog,
+        // 未来可扩展: ExecuteScript, CallApi, etc.
+    }
+
+    /// <summary>
+    /// 触发器定义领域模型
+    /// </summary>
+    public class TriggerDefinition
+    {
+        /// <summary>
+        /// 触发器唯一标识符
+        /// </summary>
+        public Guid Id { get; set; } = Guid.NewGuid();
+
+        /// <summary>
+        /// 关联的变量 ID
+        /// </summary>
+        public Guid VariableId { get; set; }
+
+        /// <summary>
+        /// 触发器是否处于激活状态
+        /// </summary>
+        public bool IsActive { get; set; } = true;
+
+        // --- 条件部分 ---
+
+        /// <summary>
+        /// 触发条件类型
+        /// </summary>
+        public ConditionType Condition { get; set; }
+
+        /// <summary>
+        /// 阈值 (用于 GreaterThan, LessThan, EqualTo, NotEqualTo)
+        /// </summary>
+        public double? Threshold { get; set; }
+
+        /// <summary>
+        /// 下限 (用于 InRange, OutOfRange)
+        /// </summary>
+        public double? LowerBound { get; set; }
+
+        /// <summary>
+        /// 上限 (用于 InRange, OutOfRange)
+        /// </summary>
+        public double? UpperBound { get; set; }
+
+        // --- 动作部分 ---
+
+        /// <summary>
+        /// 动作类型
+        /// </summary>
+        public ActionType Action { get; set; }
+
+        /// <summary>
+        /// 动作配置 JSON 字符串，存储特定于动作类型的配置（如邮件收件人列表、模板 ID 等）
+        /// </summary>
+        public string ActionConfigurationJson { get; set; } = "{}";
+
+        // --- 抑制与状态部分 ---
+
+        /// <summary>
+        /// 抑制持续时间。如果设置了此值，在触发一次后，在该时间段内不会再触发。
+        /// </summary>
+        public TimeSpan? SuppressionDuration { get; set; }
+
+        /// <summary>
+        /// 上次触发的时间。用于抑制逻辑。
+        /// </summary>
+        public DateTime? LastTriggeredAt { get; set; }
+
+        /// <summary>
+        /// 触发器描述
+        /// </summary>
+        public string Description { get; set; } = "";
+
+        /// <summary>
+        /// 创建时间
+        /// </summary>
+        public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+        /// <summary>
+        /// 最后更新时间
+        /// </summary>
+        public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
+    }
+}