//! Per-entry compatibility claim tier shared by the house and ayanamsa catalogs.
/// The compatibility claim a catalog makes for one built-in entry.
///
/// Two tiers only — no ambiguous middle state. `ReleaseGradeNumeric` asserts the
/// entry is exercised by an SE numeric gate against a corpus-validated ceiling
/// and passes it; `DescriptorOnly` asserts catalogue/metadata presence with no
/// numeric compatibility claim.