transmission: floor progress percentages instead of rounding

99.97% printed as "100.0%" beside a still-blue bar, which reads as a stuck
torrent. only a genuinely complete fraction shows a hundred now, as "100%".

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

src/workspaces/officerdev/src/apps/Transmission/format.ts

@@ -61,9 +61,15 @@ export function formatDate(unixSeconds: number | undefined | null): string {
   return `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}`;
 }
 
+/**
+ * Progress, floored — never rounded. `toFixed` rounds, so 99.97% printed as "100.0%" next to a bar that
+ * is still blue, which reads as a stuck torrent rather than a nearly-finished one. Only an actually
+ * complete fraction may show a hundred, and it shows it as a flat "100%" so the two can't be confused.
+ */
 export function formatPercent(fraction: number | undefined | null): string {
   if (fraction == null) return '—';
-  return `${(fraction * 100).toFixed(1)}%`;
+  if (fraction >= 1) return '100%';
+  return `${(Math.floor(fraction * 1000) / 10).toFixed(1)}%`;
 }
 
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