心跳打卡

# 备份成功
curl -fsS https://molesignal.example.com/api/v1/intake/heartbeats/$HEARTBEAT_TOKEN

# 备份失败，带上最后几行输出
tail -n 20 backup.log | curl -fsS -X POST --data-binary @- \
  "https://molesignal.example.com/api/v1/intake/heartbeats/$HEARTBEAT_TOKEN?status=fail"

{ "ok": true, "status": "fail" }

{
  "last_checkin_at": 1790000000000000,
  "last_status": "ok",
  "last_message": "",
  "due_at": 1790003900000000,
  "alarming": false,
  "issued_at": 1789900000000000
}