Reference pages never render license_url, hiding rights for 54,380 targets

[maehr]

Problem

src/pages/id/ref/[uuid]/index.astro renders t.license and has never rendered t.license_url. After #137 split the two — license is dcterms:license, license_url is dcterms:rights — that omission hides the only rights information the registry holds for most targets.

Counted over the compiled registry (86,397 references, 172,376 resolver targets):

targets	license	license_url	rendered
27,803	SPDX	—	licence chip
50,047	SPDX	rights page	licence chip; the rights page is invisible
54,380	—	rights page	nothing
40,146	—	—	nothing, correctly

The 54,380 are exactly two providers, and both carry access: open:

• https://www.die-bibel.de/impressum — 31,167 targets (Deutsche Bibelgesellschaft)
• https://www.sefaria.org/terms — 23,213 targets (Sefaria)

So a reader sees the row Nestle-Aland, Novum Testamentum Graece, 28th edn (NA28) with a single open chip and nothing else, and can reasonably read that as "freely usable". What the registry actually recorded is "these terms are not SPDX-expressible; here is the provider's statement". Under-reporting rights is a worse failure than #133's long URL, and it affects more targets.

Why it is a design question and not a typo

A rights-page URL has no short canonical label to derive from it, the way an SPDX IRI has. There are only six distinct values in the registry, and they are heterogeneous: a project's open-source page, a German legal Impressum, a terms-of-use page, a licensing page, and two Creative Commons deeds. Any label derived from the URL — hostname, path, page title — would either duplicate the provider name already shown as the row's link text, or assert a distinction the registry does not record.

Suggested fix

Render license_url as its own chip labelled Rights, beside the SPDX chip rather than instead of it.

• Rights is the one word true of all six values without inspecting any of them, and it matches dcterms:rights, so the chip and the JSON-LD agree. An Impressum is not "terms"; a terms page is not a "licence".
• Beside, not instead of: suppressing it when an SPDX id exists would re-flatten the distinction fix(standard): publish license_url as dcterms:rights, not dcterms:license #137 established in the data model, and it would be a second rule to maintain.
• Give each chip an aria-label naming the provider. A reference page carries several targets, so otherwise a screen reader announces several identical Rights links.

Related

Found while reviewing #143, which fixes the sibling defect (#133) in the same block. Not caused by it.

The two Creative Commons values are a separate, registry-side problem — see textrefs/registry.

[maehr]

Fixed on staging by ba908c7 (#143). license_url renders as a Rights chip beside the licence chip, with an aria-label naming the provider. The 54,380 targets that previously showed only an open chip — Deutsche Bibelgesellschaft and Sefaria — now link their rights statement.

The registry-side half is tracked separately as textrefs/registry#42, deferred to after the tag.

The fix ships with the v0.1.0 release, #4. Closing now rather than at the tag, because the change is on staging and Closes does not fire from a merge into a non-default branch.