add features

backend/src/services/vehicle.service.ts

@@ -1,4 +1,3 @@
-import { Server as SocketIOServer } from 'socket.io';
 import pool from '../config/database';
 import logger from '../utils/logger';
 import {
@@ -282,7 +281,7 @@ class VehicleService {
     status: FahrzeugStatus,
     bemerkung: string,
     updatedBy: string,
-    io?: SocketIOServer
+    io?: any
   ): Promise<void> {
     try {
       // Fetch old status for Socket.IO payload and logging