async task framework

internal/apps/admin/task/errs.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2025 linux.do
+Copyright 2025-2026 linux.do
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -17,8 +17,13 @@ limitations under the License.
 package task
 
 const (
-	InvalidTaskType    = "无效的任务类型"
-	InvalidTimeRange   = "无效的时间范围"
-	TaskDispatchFailed = "任务下发失败"
-	UserIDRequired     = "用户ID必填"
+	InvalidTaskType      = "无效的任务类型"
+	InvalidTimeRange     = "无效的时间范围"
+	TaskDispatchFailed   = "任务下发失败"
+	UserIDRequired       = "用户ID必填"
+	TaskNotFound         = "任务执行记录不存在"
+	TaskNotRetryable     = "该任务不支持重试"
+	TaskNotFailed        = "只有失败的任务才能重试"
+	TaskMaxRetryExceeded = "已达到最大重试次数"
+	TaskRetryFailed      = "任务重试失败"
 )