{{- /*
  Normalize a direction value to CSS logical direction.

  Converts legacy "left"/"right" values to "start"/"end".
  Valid values ("start"/"end") are returned as-is.

  @param {String} value - The direction value to normalize ("left", "right", "start", "end")
  @return {String} The normalized logical direction ("start" or "end"), defaults to "start" for unknown values
*/ -}}

{{- $aliases := dict "left" "start" "right" "end" "start" "start" "end" "end" -}}
{{- $value := . | lower -}}
{{- return (index $aliases $value | default "start") -}}