Clarify subjects whose claims the ID-JAG conveys#98
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Rewrites the paragraph after the example JWT to name the three subjects whose claims appear in an ID-JAG (End-User identified by `sub`, OAuth client identified by `client_id`, and optional actor identified by `act`), and to anchor audience-scoped claim population to the existing IdP practice for ID Tokens and SAML Assertions issued to the same Resource Authorization Server. Preserves the prior text's OpenID Core anchor and "Identity Assertion plus authorization delegation" framing as the closing sentence.
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Summary
Clarifies which subjects' claims appear in an ID-JAG and how the IdP populates them, without changing normative behavior.
sub), OAuth client (client_id), and optional actor (act).Motivation
Implementer feedback indicated the previous text (
The ID-JAG may contain additional authentication, identity, or authorization claims...) didn't make the implicit claim model obvious. In particular, audience-scoped authorization claims about the End-User (such as roles or entitlements at the target application) are first-class ID-JAG content. Naming the subjects explicitly and pointing to the existing IdP pattern resolves that without introducing new normative requirements or new claim shapes.Test plan