{# Style switcher behavior: renders the list of built style variants, figures out "the same page, in a different style" from the current URL alone, and navigates there on click. No context variables needed -- the list of styles is fixed by what CI actually builds (see .github/workflows/main.yml). Include once, after the markup from style_switcher.html is present in the DOM (e.g. near the end of , right after that include). #}