const keys = ['2.54-2*20P母','排母 2*20P','2*20P 排母 插件','双排排母 40P','排针 2*20P',
              '2.54 2*20P','PC104 排母','加高排母','堆叠 排母 2.54','排母 塑高 11',
              '双排排针 2*20P','2*20P 排针 加高','双塑排针 2*20'];
const seen = {}, out = [];
for (const k of keys) {
  let r=[];
  try { r = await eda.lib_Device.search(k, undefined, undefined, undefined, 40, 1); } catch(e){ continue; }
  for (const d of (r||[])) {
    const fp = d.footprintName || '';
    if (!/40P-P2\.54.*(R2-C20|C20)/.test(fp)) continue;
    const id = d.otherProperty && d.otherProperty['Supplier Part'] || d.supplierId || d.uuid;
    if (seen[id]) continue; seen[id]=1;
    out.push({lcsc:id, name:d.name, fp:fp, mfr:d.manufacturer,
              desc:(d.description||'').replace(/\s+/g,''),
              cls:(d.otherProperty||{})['JLCPCB Part Class']});
  }
}
return out;