Looks up navaids by identifier. Returns an empty array if none found.
OptionalbyOptionally looks up the single navaid sharing the identifier that lies
nearest a reference position, disambiguating same-identifier collisions by
proximity to the previously resolved route waypoint. When omitted, the
resolver falls back to the first byIdent match.
OptionaltoleranceNm: number
Minimal navaid lookup interface consumed by the flightplan resolver. Structurally compatible with the
NavaidResolvershape in@squawk/navaids.