feat: 新增回调状态枚举、事件类型枚举及错误码

nl-module-task/nl-module-task-api/src/main/java/cn/code/nl/module/task/enums/CallbackStatusEnum.java

@@ -0,0 +1,24 @@
+package cn.code.nl.module.task.enums;
+
+import lombok.Getter;
+
+/**
+ * 业务回调状态枚举
+ * @Author: liyongde
+ * @Date: 2026/7/14
+ */
+@Getter
+public enum CallbackStatusEnum {
+
+    PENDING("PENDING", "待回调"),
+    SUCCESS("SUCCESS", "回调成功"),
+    FAILED("FAILED", "回调失败");
+
+    private final String code;
+    private final String name;
+
+    CallbackStatusEnum(String code, String name) {
+        this.code = code;
+        this.name = name;
+    }
+}

nl-module-task/nl-module-task-api/src/main/java/cn/code/nl/module/task/enums/ErrorCodeConstants.java

@@ -9,4 +9,7 @@ import cn.code.nl.framework.common.exception.ErrorCode;
  */
 public interface ErrorCodeConstants {
     ErrorCode TRANSPORT_TASK_NOT_EXISTS = new ErrorCode(1, "搬运任务不存在");
+    ErrorCode TRANSPORT_TASK_EXISTS_UNFINISHED = new ErrorCode(2, "同业务类型下存在未完结的搬运任务");
+    ErrorCode TRANSPORT_TASK_STATUS_NOT_ALLOW = new ErrorCode(3, "当前任务状态不允许此操作");
+    ErrorCode TRANSPORT_TASK_CALLBACK_SEND_FAILED = new ErrorCode(4, "业务回调发送失败");
 }

nl-module-task/nl-module-task-api/src/main/java/cn/code/nl/module/task/enums/TaskEventTypeEnum.java

@@ -0,0 +1,23 @@
+package cn.code.nl.module.task.enums;
+
+import lombok.Getter;
+
+/**
+ * 任务事件类型枚举
+ * @Author: liyongde
+ * @Date: 2026/7/14
+ */
+@Getter
+public enum TaskEventTypeEnum {
+
+    TASK_FINISHED("TASK_FINISHED", "任务完成"),
+    TASK_CANCELLED("TASK_CANCELLED", "任务取消");
+
+    private final String code;
+    private final String name;
+
+    TaskEventTypeEnum(String code, String name) {
+        this.code = code;
+        this.name = name;
+    }
+}