feat(web): richer active-job rows on The Floor (source/format/tracks, stage, elapsed, error)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

web/src/app/_ui/job-row.tsx

@@ -20,6 +20,7 @@ export function JobRow({
   meta,
   note,
   indeterminate,
+  stageLabel,
 }: {
   artist: string;
   album: string;
@@ -30,6 +31,7 @@ export function JobRow({
   meta?: ReactNode;
   note?: ReactNode;
   indeterminate?: boolean;
+  stageLabel?: string;
 }) {
   return (
     <article className={`job ${rowClass(kind)}`}>
@@ -42,7 +44,7 @@ export function JobRow({
         {note ? (
           <div className="note">{note}</div>
         ) : kind !== "attention" ? (
-          <ProgressBar kind={kind} step={step} total={total} indeterminate={indeterminate} />
+          <ProgressBar kind={kind} step={step} total={total} indeterminate={indeterminate} stageLabel={stageLabel} />
         ) : null}
       </div>
       <StatusChip kind={kind} label={label} />