v1.3.1

A PATCH: editor/admin behaviour only. No block markup, settings key, REST key or GraphQL
field changed. Pairs with any 0.1.x theme.

Fixed

• The block editor broke when a site's Site Address (home) is on a different host from its
  WordPress Address (siteurl) (ORBI-82). That split is the normal headless setup: the public
  site lives at the static front end, and WordPress stays on its own host. It's also what makes
  Optima Express register the front end as the site's address. WordPress builds rest_url()
  from home, so the editor's REST root pointed at the front end, which has no /wp-json.
  The editor drew from preloaded data and then couldn't load or save anything. REST URLs are
  now rebuilt on the WordPress host.
  • Only when the hosts differ. A scheme-only mismatch on the same host (http siteurl,
    https home) is left exactly as WordPress built it. Rewriting it would hand the editor an
    http REST root and cause mixed content.
  • A home with a path loses the path as well as the host. Upgraded to https when the admin
    request is https.