fix: use correct notification event name in payment route

server/src/routes/user-payments.js

@@ -1,3 +1,4 @@
+import { NOTIFICATION_EVENTS } from '../../../shared/constants/notification-events.js'
 import { prisma } from '../lib/prisma.js'
 import { createPayment, buildReceipt, getPayment } from '../lib/yookassa.js'
 
@@ -126,7 +127,7 @@ export async function registerUserPaymentRoutes(fastify) {
               where: { id: orderId },
               data: { status: 'PAID' },
             })
-            request.server.eventBus.emit('PAYMENT_STATUS_CHANGED', {
+            request.server.eventBus.emit(NOTIFICATION_EVENTS.PAYMENT_STATUS_CHANGED, {
               orderId,
               userId: order.userId,
               paymentStatus: 'paid',