feat(conceptos): add Excel export with extra columns

- Add exportConceptosToExcel function that fetches all filtered
  conceptos (limit 10000) and generates Excel
- Export button now works for both CFDIs and Conceptos tabs
- Extra columns in Conceptos Excel (not visible in table):
  Nombre Emisor, Nombre Receptor, Descuento, IVA Trasladado,
  IVA Retencion, ISR Retencion, Tipo Comprobante, Estatus CFDI

apps/web/app/(dashboard)/cfdi/page.tsx

@@ -5,7 +5,7 @@ import { useDebounce } from '@horux/shared-ui';
 import { Header } from '@/components/layouts/header';
 import { Card, CardContent, CardHeader, CardTitle, CardDescription, Button, Input, Label, Select, SelectContent, SelectItem, SelectTrigger, SelectValue, Dialog, DialogContent, DialogHeader, DialogTitle, DialogDescription, DialogFooter, Popover, PopoverTrigger, PopoverContent } from '@horux/shared-ui';
 import { useCfdis, useCfdiConceptos, useCreateCfdi, useDeleteCfdi } from '@/lib/hooks/use-cfdi';
-import { getCfdis, createManyCfdis, searchEmisores, searchReceptores, type EmisorReceptor } from '@/lib/api/cfdi';
+import { getCfdis, createManyCfdis, searchEmisores, searchReceptores, getAllCfdiConceptos, type EmisorReceptor } from '@/lib/api/cfdi';
 import { cancelarFactura, downloadPdf, downloadXml } from '@/lib/api/facturacion';
 import type { CfdiFilters, CfdiConceptoFilters, TipoCfdi, Cfdi } from '@horux/shared';
 import type { CreateCfdiData } from '@/lib/api/cfdi';
@@ -502,6 +502,64 @@ export default function CfdiPage() {
     }
   };
 
+  const exportConceptosToExcel = async () => {
+    if (!conceptosData?.data.length) return;
+
+    setExporting(true);
+    try {
+      const allFilters: CfdiConceptoFilters = { ...conceptoFilters, page: 1, limit: 10000 };
+      const allData = await getAllCfdiConceptos(allFilters);
+      const rows = allData.data;
+
+      if (!rows.length) {
+        alert('No hay datos para exportar');
+        return;
+      }
+
+      const exportData = rows.map(c => ({
+        'Fecha CFDI': c.cfdiFechaEmision ? new Date(c.cfdiFechaEmision).toLocaleDateString('es-MX') : '',
+        'UUID': c.cfdiUuid || '',
+        'Tipo Comprobante': formatTipoComprobante(c.cfdiTipoComprobante),
+        'Estatus CFDI': c.cfdiStatus === 'Vigente' || c.cfdiStatus === '1' ? 'Vigente' : 'Cancelado',
+        'RFC Emisor': c.cfdiRfcEmisor || '',
+        'Nombre Emisor': c.cfdiNombreEmisor || '',
+        'RFC Receptor': c.cfdiRfcReceptor || '',
+        'Nombre Receptor': c.cfdiNombreReceptor || '',
+        'Clave ProdServ': c.claveProdServ || '',
+        'No. Identificación': c.noIdentificacion || '',
+        'Descripción': c.descripcion,
+        'Cantidad': c.cantidad,
+        'Unidad': c.claveUnidad || c.unidad || '',
+        'Valor Unitario': c.valorUnitario,
+        'Importe': c.importe,
+        'Descuento': c.descuento,
+        'IVA Trasladado': c.ivaTraslado,
+        'IVA Retención': c.ivaRetencion,
+        'ISR Retención': c.isrRetencion,
+      }));
+
+      const ws = XLSX.utils.json_to_sheet(exportData);
+      const wb = XLSX.utils.book_new();
+      XLSX.utils.book_append_sheet(wb, ws, 'Conceptos');
+
+      const colWidths = Object.keys(exportData[0]).map(key => ({
+        wch: Math.max(key.length, ...exportData.map(row => String(row[key as keyof typeof row]).length))
+      }));
+      ws['!cols'] = colWidths;
+
+      const excelBuffer = XLSX.write(wb, { bookType: 'xlsx', type: 'array' });
+      const blob = new Blob([excelBuffer], { type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' });
+
+      const fileName = `conceptos_${new Date().toISOString().split('T')[0]}.xlsx`;
+      saveAs(blob, fileName);
+    } catch (error) {
+      console.error('Error exporting conceptos:', error);
+      alert('Error al exportar conceptos');
+    } finally {
+      setExporting(false);
+    }
+  };
+
   const handleDownloadPdf = async (facturapiId: string | null) => {
     if (!facturapiId) return;
     try {
@@ -1039,8 +1097,8 @@ export default function CfdiPage() {
                 </Select>
               </div>
               <div className="flex gap-2">
-                {data && data.data.length > 0 && (
+                {((activeTab === 'cfdis' && data && data.data.length > 0) || (activeTab === 'conceptos' && conceptosData && conceptosData.data.length > 0)) && (
-                  <Button variant="outline" onClick={exportToExcel} disabled={exporting}>
+                  <Button variant="outline" onClick={activeTab === 'cfdis' ? exportToExcel : exportConceptosToExcel} disabled={exporting}>
                     {exporting ? (
                       <Loader2 className="h-4 w-4 mr-1 animate-spin" />
                     ) : (