04-identity.md ยง4.1(3) reserves the bare string "derived" for the
content-derived identity fallback. That is a different claim from this one
and recording both as "derived" would erase the distinction, so these
entries name their evidence: the reason is content-match:renamed,
content-match:moved, content-match:reshaped or content-match:respecified.
Prefix on every IdentityMapEntry.reason minted from a content match.
04-identity.mdยง4.1(3) reserves the bare string"derived"for the content-derived identity fallback. That is a different claim from this one and recording both as"derived"would erase the distinction, so these entries name their evidence: the reason iscontent-match:renamed,content-match:moved,content-match:reshapedorcontent-match:respecified.