feat: moneda y tipo de cambio del documento (debajo del Nº de referencia) y ajustes de moneda local de la empresa

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

apps/api/src/company/company.service.spec.ts

@@ -9,15 +9,15 @@ describe('CompanyService', () => {
   };
 
   it('entrega solo el redondeo y el separador, sin el resto de la información de la empresa', async () => {
-    const { service, request } = make({ RoundingMethod: 'tYES', AccountSegmentsSeparator: '.', DefaultBankAccount: '192-1153365-0-50' });
+    const { service, request } = make({ RoundingMethod: 'tYES', AccountSegmentsSeparator: '.', LocalCurrency: 'SOL', DefaultBankAccount: '192-1153365-0-50' });
     const settings = await service.settings();
-    expect(settings).toEqual({ roundingEnabled: true, accountSegmentsSeparator: '.' });
+    expect(settings).toEqual({ roundingEnabled: true, accountSegmentsSeparator: '.', localCurrency: 'SOL' });
     expect(request).toHaveBeenCalledWith({ method: 'POST', path: 'CompanyService_GetAdminInfo', body: {} });
   });
 
   it('sin redondeo ni separador usa los valores por defecto', async () => {
     const { service } = make({ RoundingMethod: 'tNO', AccountSegmentsSeparator: null });
-    expect(await service.settings()).toEqual({ roundingEnabled: false, accountSegmentsSeparator: '-' });
+    expect(await service.settings()).toEqual({ roundingEnabled: false, accountSegmentsSeparator: '-', localCurrency: '' });
   });
 
   it('recuerda la respuesta un rato y luego la vuelve a pedir', async () => {

apps/api/src/company/company.service.ts

@@ -8,6 +8,7 @@ const TTL_MS = 10 * 60 * 1000;
 interface AdminInfo {
   RoundingMethod?: string;
   AccountSegmentsSeparator?: string | null;
+  LocalCurrency?: string | null;
 }
 
 /**
@@ -26,6 +27,7 @@ export class CompanyService {
     const value: CompanySettings = {
       roundingEnabled: res.data?.RoundingMethod === 'tYES',
       accountSegmentsSeparator: res.data?.AccountSegmentsSeparator?.trim() || '-',
+      localCurrency: res.data?.LocalCurrency?.trim() || '',
     };
     this.cached = { at: now, value };
     return value;