建立每日自动异机备份基线（07-27-automatic-offhost-backup）

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

@@ -0,0 +1,26 @@
+{
+  "id": "automatic-offhost-backup",
+  "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",
+  "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,
+  "priority": "P0",
+  "creator": "shunli",
+  "assignee": "shunli",
+  "createdAt": "2026-07-27",
+  "completedAt": null,
+  "branch": null,
+  "base_branch": "main",
+  "worktree_path": null,
+  "commit": null,
+  "pr_url": null,
+  "subtasks": [],
+  "children": [],
+  "parent": null,
+  "relatedFiles": [],
+  "notes": "",
+  "meta": {}
+}