Discover Sonarr episode downloads and keep live tracker updating

frontend/app/requests/[id]/page.tsx

@@ -445,12 +445,8 @@ export default function RequestTimelinePage() {
 
   const liveDownloadKey = useMemo(() => {
     const downloadStage = snapshot?.presentation?.pipeline?.find((stage) => stage.id === 'download')
-    if (!downloadStage?.visible || downloadStage.state !== 'active') return ''
-    return (downloadStage.torrents ?? [])
-      .filter((torrent) => (torrentProgress(torrent) ?? 100) < 100)
-      .map((torrent) => String(torrent.hash ?? torrent.name ?? 'download'))
-      .sort()
-      .join('|')
+    if (!downloadStage || downloadStage.state === 'complete') return ''
+    return 'discover-and-track'
   }, [snapshot])
 
   useEffect(() => {
@@ -459,7 +455,7 @@ export default function RequestTimelinePage() {
     let timer: number | undefined
     let controller: AbortController | null = null
     const schedule = () => {
-      if (!stopped) timer = window.setTimeout(() => void refresh(), 2_000)
+      if (!stopped) timer = window.setTimeout(() => void refresh(), 5_000)
     }
     const refresh = async () => {
       if (document.visibilityState === 'hidden') {
@@ -890,6 +886,7 @@ export default function RequestTimelinePage() {
                   const progress = torrentProgress(torrent)
                   return (
                     <div className="request-torrent" key={torrent.hash ?? torrent.name}>
+                      {torrent.episodeLabel && <small>{torrent.episodeLabel}</small>}
                       <div><strong>{torrent.name ?? 'Download'}</strong><span>{progress === null ? 'Progress unavailable' : formatProgress(progress)}</span></div>
                       {progress !== null && (
                         <div