const D = eda.pcb_Drc || eda.pcb_Document;
let cur = null;
try { cur = await eda.pcb_Drc.getCurrentRuleConfiguration(); } catch(e){ return {err:String(e).slice(0,200)}; }
const c = cur.config || cur;
const SS = c['Spacing']['Safe Spacing'];
const out = {name: cur.name, keys: Object.keys(SS)};
const k0 = Object.keys(SS)[0];
const e = SS[k0];
out.entryKeys = Object.keys(e);
const tk = Object.keys(e.tables)[0];
const t = e.tables[tk];
out.tableKeys = Object.keys(t);
const ct = t.content;
out.rows = ct.length;
out.rowLens = ct.map(r=>r.length).slice(0,20);
out.content = ct.map(r=>r.map(v=>typeof v==='number'? v : String(v).slice(0,12)));
if (t.header) out.header = t.header;
if (t.rowHeader) out.rowHeader = t.rowHeader;
return out;