README: prod is Teahub pages (pages branch)

README.md

@@ -139,3 +139,15 @@ Configuration references: [Fly app configuration](https://docs.fly.io/reference/
 ## Attribution and licenses
 
 See [PROVENANCE.md](PROVENANCE.md) for upstream commit pins, exactly what was adapted, what was only inspiration, and the node_faker decision. License texts ship in `public/licenses/` and the app links them. No upstream UI, network relay, mainnet API or remote script loader was imported.
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+## Prod (2026-10-14)
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+
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+https://supertestnet.lol is served by Teahub pages from this repository's `pages` branch: the built `dist/` plus a
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+`_headers` file carrying the same security headers `server.js` sends. `fly.toml` and `Dockerfile` describe the
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+earlier Fly deployment and are kept for reference. History before 2026-10-14 is `matcha/supertestnet` from the old
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+factory; the extension is `supertestnet/inscriboor`.