feat: implement vision gateway for palm oil detection in android server

src/palm-oil/vision.gateway.ts

@@ -87,7 +87,6 @@ const N8N_WEBHOOK_URL = process.env['N8N_WEBHOOK_URL'] ?? '';
 
 @WebSocketGateway({
   cors: { origin: '*' },
-  namespace: '/vision',
 })
 export class VisionGateway
   implements OnGatewayInit, OnGatewayConnection, OnGatewayDisconnect, OnModuleInit
@@ -120,7 +119,7 @@ export class VisionGateway
   }
 
   afterInit() {
-    this.logger.log('🔌 VisionGateway initialized on /vision namespace');
+    this.logger.log('🔌 VisionGateway initialized on root namespace');
   }
 
   handleConnection(client: Socket) {