// normalize partner sigla to requested labels
 function normalizePartnerSigla(sigla) {
   if (!sigla) return sigla;
   const s = String(sigla).trim();
   if (!s) return s;
   const lowered = s.toLowerCase();
   // map these two specific variants to 'Sothis'
   if (lowered === 'são bernardo do campo - sp' || lowered === 'sao bernardo do campo - sp' || lowered === 'sao bernardo do campo') return 'Sothis';
   if (lowered === 'são paulo - sp' || lowered === 'sao paulo - sp' || lowered === 'sao paulo') return 'Sothis';
   return s;
 }

module.exports = { normalizePartnerSigla };