components-claims: ClaimsReviewQueue (proposed → conflicts → unreviewed per claims-spec §2.3), ClaimCard (confirm/reject/reopen tombstone), ConflictPair (both sides raw, three resolutions: keep-with-supersede, dismiss-both, reject-newcomer; human_confirmed can't be rejected). Tiers raw, no scores. Demo Review tab wired. Typechecks clean. Co-Authored-By: Claude Fable 5 (build) <noreply@anthropic.com>