complete new audit system

backend/src/services/stressfreiEmail.service.ts

@@ -1,4 +1,4 @@
-import { PrismaClient } from '@prisma/client';
+import prisma from '../lib/prisma.js';
 import { encrypt, decrypt } from '../utils/encryption.js';
 import {
   provisionEmail,
@@ -10,8 +10,6 @@ import {
 } from './emailProvider/emailProviderService.js';
 import { generateSecurePassword } from '../utils/passwordGenerator.js';
 
-const prisma = new PrismaClient();
-
 export async function getEmailsByCustomerId(customerId: number, includeInactive = false) {
   const where: Record<string, unknown> = { customerId };
   if (!includeInactive) {