feat(trajectory): 新增轨迹事件消费与落库模型

- 新增 ops_device_trajectory 表及轨迹数据对象、Mapper\n- 消费 trajectory-enter / trajectory-leave 事件并做幂等处理\n- 落地设备进入/离开区域记录，补充停留时长与离开原因字段\n- 在服务层封装轨迹写入、关闭未离场记录等核心逻辑

viewsh-module-ops/viewsh-module-ops-api/src/main/java/com/viewsh/module/ops/enums/LeaveReasonEnum.java

@@ -0,0 +1,22 @@
+package com.viewsh.module.ops.enums;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+/**
+ * 轨迹离开原因枚举
+ *
+ * @author lzh
+ */
+@Getter
+@AllArgsConstructor
+public enum LeaveReasonEnum {
+
+    SIGNAL_LOSS("SIGNAL_LOSS", "信号丢失"),
+    AREA_SWITCH("AREA_SWITCH", "切换到其他区域"),
+    DEVICE_OFFLINE("DEVICE_OFFLINE", "设备离线");
+
+    private final String reason;
+    private final String description;
+
+}