feat: Enhance fixed asset class management with new fields, refactor forms, and update invoice-related services.

frontend/src/lib/api/dashboard/a24/fa_classes.ts

@@ -98,7 +98,7 @@ export const faClassesApi = {
 	 * Actualizar una clase de activo fijo existente
 	 */
 	update: (id: number, data: FAClassUpdate, company_id: number): Promise<ApiResponse<FAClass>> => {
-		return api.put(`/v1/a24/fa/classes/${id}?company_id=${company_id}`, data);
+		return api.put(`/v1/a24/fa/classes/${id}/?company_id=${company_id}`, data);
 	},
 
 	/**

frontend/src/lib/api/dashboard/a76/classes.ts

@@ -17,6 +17,7 @@ export interface A76Class {
     sub_key: string;
     physical_review: number;
     iva_exempt_fraction: string;
+    eccn_code?: string | null;
     is_active?: boolean; // Agregado para el switch del formulario
     created_at: string;
     updated_at: string;
@@ -35,6 +36,7 @@ export interface A76ClassCreate {
     sub_key?: string | null;
     physical_review?: number | null;
     iva_exempt_fraction?: string | null;
+    eccn_code?: string | null;
     is_active?: boolean;
 }