Route engine yue2 through a standalone job helper.

Co-authored-by: Cursor <cursoragent@cursor.com>

server/utils/musicChain.ts

@@ -1,4 +1,5 @@
 import { startYueGpJob } from './yueGp'
+import { startYue2Job } from './yue2'
 import { createJob, emitJob, type Job } from '~/server/utils/jobs'
 import { extractAudio, fetchHistory, fetchHistoryAll, findHistoryAudio, purgeComfyArtifacts, queuePrompt } from '~/server/utils/comfy'
 import { comfyWsUrl, comfyFetch } from '~/server/utils/comfy'
@@ -341,6 +342,7 @@ function watchMusicJob(job: Job): Promise<void> {
 
 export async function startMusicJob(params: MusicJobParams) {
   if (params.engine === 'yue') return startYueGpJob(params)
+  if (params.engine === 'yue2') return startYue2Job(params)
   const job = createJob('music')
   job.library = {
     ownerKey: params.ownerKey,