feat(cfdi): add autocomplete for emisor and receptor filters

- Add /cfdi/emisores and /cfdi/receptores API endpoints
- Search by RFC or nombre with ILIKE
- Show suggestions dropdown while typing (min 2 chars)
- Click suggestion to select and populate filter input
- Show loading state while searching

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/api/src/controllers/cfdi.controller.ts

@@ -67,6 +67,42 @@ export async function getXml(req: Request, res: Response, next: NextFunction) {
   }
 }
 
+export async function getEmisores(req: Request, res: Response, next: NextFunction) {
+  try {
+    if (!req.tenantSchema) {
+      return next(new AppError(400, 'Schema no configurado'));
+    }
+
+    const search = (req.query.search as string) || '';
+    if (search.length < 2) {
+      return res.json([]);
+    }
+
+    const emisores = await cfdiService.getEmisores(req.tenantSchema, search);
+    res.json(emisores);
+  } catch (error) {
+    next(error);
+  }
+}
+
+export async function getReceptores(req: Request, res: Response, next: NextFunction) {
+  try {
+    if (!req.tenantSchema) {
+      return next(new AppError(400, 'Schema no configurado'));
+    }
+
+    const search = (req.query.search as string) || '';
+    if (search.length < 2) {
+      return res.json([]);
+    }
+
+    const receptores = await cfdiService.getReceptores(req.tenantSchema, search);
+    res.json(receptores);
+  } catch (error) {
+    next(error);
+  }
+}
+
 export async function getResumen(req: Request, res: Response, next: NextFunction) {
   try {
     if (!req.tenantSchema) {

apps/api/src/routes/cfdi.routes.ts

@@ -10,6 +10,8 @@ router.use(tenantMiddleware);
 
 router.get('/', cfdiController.getCfdis);
 router.get('/resumen', cfdiController.getResumen);
+router.get('/emisores', cfdiController.getEmisores);
+router.get('/receptores', cfdiController.getReceptores);
 router.get('/:id', cfdiController.getCfdiById);
 router.get('/:id/xml', cfdiController.getXml);
 router.post('/', cfdiController.createCfdi);

apps/api/src/services/cfdi.service.ts

@@ -387,6 +387,28 @@ export async function deleteCfdi(schema: string, id: string): Promise<void> {
   await prisma.$queryRawUnsafe(`DELETE FROM "${schema}".cfdis WHERE id = $1`, id);
 }
 
+export async function getEmisores(schema: string, search: string, limit: number = 10): Promise<{ rfc: string; nombre: string }[]> {
+  const result = await prisma.$queryRawUnsafe<{ rfc: string; nombre: string }[]>(`
+    SELECT DISTINCT rfc_emisor as rfc, nombre_emisor as nombre
+    FROM "${schema}".cfdis
+    WHERE rfc_emisor ILIKE $1 OR nombre_emisor ILIKE $1
+    ORDER BY nombre_emisor
+    LIMIT $2
+  `, `%${search}%`, limit);
+  return result;
+}
+
+export async function getReceptores(schema: string, search: string, limit: number = 10): Promise<{ rfc: string; nombre: string }[]> {
+  const result = await prisma.$queryRawUnsafe<{ rfc: string; nombre: string }[]>(`
+    SELECT DISTINCT rfc_receptor as rfc, nombre_receptor as nombre
+    FROM "${schema}".cfdis
+    WHERE rfc_receptor ILIKE $1 OR nombre_receptor ILIKE $1
+    ORDER BY nombre_receptor
+    LIMIT $2
+  `, `%${search}%`, limit);
+  return result;
+}
+
 export async function getResumenCfdis(schema: string, año: number, mes: number) {
   const result = await prisma.$queryRawUnsafe<[{
     total_ingresos: number;