fix: set random groupId if events from a server without a profile id

apps/api/src/controllers/event.controller.ts

@@ -1,13 +1,14 @@
 import { getClientIp } from '@/utils/get-client-ip';
 import type { FastifyReply, FastifyRequest } from 'fastify';
 
-import { generateDeviceId } from '@openpanel/common/server';
+import { generateDeviceId, parseUserAgent } from '@openpanel/common/server';
 import { getSalts } from '@openpanel/db';
 import { eventsGroupQueue, eventsQueue } from '@openpanel/queue';
 import { getLock, getRedisCache } from '@openpanel/redis';
 import type { PostEventPayload } from '@openpanel/sdk';
 
 import { checkDuplicatedEvent } from '@/utils/deduplicate';
+import { generateId } from '@openpanel/common';
 import { getGeoLocation } from '@openpanel/geo';
 import { getStringHeaders, getTimestamp } from './track.controller';
 
@@ -62,9 +63,12 @@ export async function postEvent(
 
   const isGroupQueue = await getRedisCache().exists('group_queue');
   if (isGroupQueue) {
+    const uaInfo = parseUserAgent(ua, request.body?.properties);
     const groupId = request.body?.profileId
       ? `${projectId}:${request.body?.profileId}`
-      : currentDeviceId;
+      : uaInfo.isServer
+        ? `${projectId}:${generateId()}`
+        : currentDeviceId;
     await eventsGroupQueue.add({
       orderMs: new Date(timestamp).getTime(),
       data: {