GET /.well-known/nodeinfo
Fediverse server discovery document with a valid links array. The rel value matches the standard nodeinfo schema URL; the href points at a real /nodeinfo/2.0 endpoint on the same host.
expect: 200 OK, Content-Type: application/json. Mastodon / Pleroma / Misskey discovery clients should follow the link and successfully fetch the backing nodeinfo document.
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