Improve music activity reporting and preserve Comfy host fixes

server/utils/musicChain.ts

@@ -1,6 +1,6 @@
 import { createJob, emitJob, type Job } from '~/server/utils/jobs'
 import { extractAudio, fetchHistory, fetchHistoryAll, findHistoryAudio, freeComfyVram, purgeComfyArtifacts, queuePrompt } from '~/server/utils/comfy'
-import { comfyWsUrl } from '~/server/utils/comfy'
+import { comfyWsUrl, comfyFetch } from '~/server/utils/comfy'
 import { ensureComfyReady } from '~/server/utils/comfyLifecycle'
 import { downloadComfyAudio, saveTrack } from '~/server/utils/library'
 import { buildMusicWorkflow, musicFilenamePrefix, assertMusicEngineNodes } from '~/server/utils/musicWorkflow'
@@ -231,6 +231,19 @@ function watchMusicJob(job: Job): Promise<void> {
     }
 
     const pollHistory = async () => {
+      if (settled || finishing) return
+      if (job.promptId) {
+        try {
+          const response = await comfyFetch('/queue', { signal: AbortSignal.timeout(2500) })
+          if (response.ok) {
+            const queue = await response.json() as { queue_running?: unknown[][] }
+            job.musicActivity = {
+              checkedAt: Date.now(),
+              running: Boolean(queue.queue_running?.some(row => row[1] === job.promptId))
+            }
+          }
+        } catch { /* Keep the last confirmation timestamp so the UI can show stale checks. */ }
+      }
       if (settled || finishing) return
       try {
         const history = await fetchHistoryAll()