ccc-pages — self-hosted artifact pages + git-bundle continuity

  PUT  /a/<slug>          upload HTML            (Bearer)
  GET  /a/<slug>[/v/<n>]  view page              (public)
  PUT  /r/<repo>          push git bundle        (Bearer)
  GET  /r/<repo>[/v/<n>]  fetch git bundle       (Bearer, owner)
  GET  /r/<repo>/info     bundle metadata        (Bearer, owner)
  GET  /lib/<pkg>@<ver>/<path>  pinned npm asset (public read; Bearer to mirror)
  GET  /gallery           your pages + bundles   (Bearer)