Save each Comfy run as a new clip even if the output filename repeats.

Purging desktop files let MiniMax reuse MiniMax_H3_00001_, so the next job returned the previous clip. Ignore stale events from the last job so a second generate cannot paste the first video over the new one.

server/utils/jobs.ts

@@ -18,6 +18,7 @@ export interface JobEvent {
   queueRunning?: number
   queuePending?: number
   folderLocked?: boolean
+  jobId?: string
 }
 
 export interface Job {
@@ -89,6 +90,7 @@ export function listJobs() {
 
 export function jobSnapshot(job: Job) {
   return {
+    jobId: job.id,
     type: 'snapshot' as const,
     status: job.status,
     message: job.message,
@@ -108,6 +110,7 @@ export function jobSnapshot(job: Job) {
 }
 
 export function emitJob(job: Job, event: JobEvent) {
+  event.jobId = job.id
   if (event.message) job.message = event.message
   if (typeof event.progress === 'number') job.progress = event.progress
   if (typeof event.step === 'number') job.step = event.step