归档每日自动异机备份任务（07-27-automatic-offhost-backup）

.trellis/tasks/archive/2026-07/07-27-automatic-offhost-backup/task.json

@@ -3,7 +3,7 @@
   "name": "automatic-offhost-backup",
   "title": "每日自动异机备份",
   "description": "为内部 OA 建立每日成对备份、ARM 异机复制、保留轮转、失败告警与季度恢复提醒的低维护自动化基线。",
-  "status": "in_progress",
+  "status": "completed",
   "dev_type": null,
   "scope": "scripts/backup automation; deploy/trialrun backup receiver and systemd installers; server ops-alert adapter/tests; deployment runbook/checklist/spec evidence",
   "package": null,
@@ -11,7 +11,7 @@
   "creator": "shunli",
   "assignee": "shunli",
   "createdAt": "2026-07-27",
-  "completedAt": null,
+  "completedAt": "2026-07-27",
   "branch": null,
   "base_branch": "main",
   "worktree_path": null,