ConceptSubjectRegistry is the only writer of ConceptSubject. ConceptKey is the
one key grammar (anchored with \z), shared with ConceptAppraisalService.
Not yet built or tested at this commit.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
ConceptAppraisalService is the only appraisal writer; tallies are derived from
rows. VoterIdentity.For decides voter key and class; NetworkPrefix is the only
prefix computation (HMAC tag). NetworkTagSecret is required in production.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
UseForwardedHeaders runs first with KnownProxies exactly loopback and
ForwardLimit 1; Data Protection always uses application name "Bifrost";
the startup validator refuses production without DataProtection:KeysPath.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
