Convert exact, catalog-authored v1_format_ref aliases into the existing
converter seam. Canonical-only declarations never become legacy aliases,
and matching is always owner + id + dimensional discriminators—never ID
alone. Duplicate aliases at the same precedence tier fail closed.
Convert exact, catalog-authored
v1_format_refaliases into the existing converter seam. Canonical-only declarations never become legacy aliases, and matching is always owner + id + dimensional discriminators—never ID alone. Duplicate aliases at the same precedence tier fail closed.