feat: correo grupal por departamento para avisos de ticket nuevo (IT al grupo)

frontend/src/lib/api.ts

@@ -244,6 +244,7 @@ export interface Group {
   name: string;
   description?: string;
   isActive: boolean;
+  notificationEmail?: string | null;
 }
 
 export interface KBArticle {
@@ -288,7 +289,11 @@ export interface DashboardStats {
 }
 
 // ==================== Departamentos ====================
-export async function createGroup(data: { name: string; description?: string }) {
+export async function createGroup(data: {
+  name: string;
+  description?: string;
+  notificationEmail?: string | null;
+}) {
   return fetchApi<Group>("/api/helpdesk/groups", {
     method: "POST",
     body: JSON.stringify(data),
@@ -297,7 +302,12 @@ export async function createGroup(data: { name: string; description?: string })
 
 export async function updateGroup(
   id: number,
-  data: { name?: string; description?: string; isActive?: boolean }
+  data: {
+    name?: string;
+    description?: string;
+    isActive?: boolean;
+    notificationEmail?: string | null;
+  }
 ) {
   return fetchApi<void>(`/api/helpdesk/groups/${id}`, {
     method: "PUT",