Calendar
{{if eq .Level "ok"}}healthy
{{else if eq .Level "error"}}failed
{{else if eq .Level "warn"}}attention
{{else}}off{{end}}
{{.Message}}
{{if .Entity}}{{.Entity}}{{if .LastAt}} · last write {{.LastAt}}{{end}}
{{if gt .Written 0}}· {{.Written}} event(s) written{{end}}
{{end}}
{{if gt .Failed 0}}{{.Failed}} failed calendar write(s) on record.
{{end}}
{{end}}