{{/*
  Render creation and modified dates for a post.
  - Always show the creation date (`.Date`) in YYYY-MM-DD.
  - If `.Lastmod` exists and differs (by date) from `.Date`, show
    an "Updated: YYYY-MM-DD" suffix.
*/}}
{{- $created := .Date -}}
{{- $createdFmt := $created.Format "2006-01-02" -}}
{{- $modified := .Lastmod -}}

{{- /* Print creation date */ -}}
{{- printf "%s" $createdFmt -}}

{{- /* If we have a modified timestamp, format and show when different */ -}}
{{- if $modified -}}
  {{- $modifiedFmt := $modified.Format "2006-01-02" -}}
  {{- if ne $modifiedFmt $createdFmt -}}
    {{- printf " [Updated: %s]" $modifiedFmt -}}
  {{- end -}}
{{- end -}}