This also makes sure that our URL fragments should be more consistent
over the years, as duplicate names (across parent and child options)
cannot clash.
This also corrects links from the code to include the new fragment.
Co-authored-by: Claude Sonnet 4.6 <jamie.tanna+claude-code@mend.io>
* ci: validate all Handlebars helpers are documented
* ci: validate all Handlebars helpers are documented
* chore: validate all handlebars helpers are documented
* chore: validate all handlebars helpers are documented