fdf

models.py

@@ -532,6 +532,13 @@ class ProgressBar:
             Formatted progress string.
         """
         percent = self.format_percent(percent_str)
+        # Some callers (e.g. yt-dlp hooks) may not provide a stable percent string.
+        # When we have byte counts, derive percent from them so the bar advances.
+        if (not percent_str or percent == 0.0) and downloaded is not None and total is not None and total > 0:
+            try:
+                percent = (float(downloaded) / float(total)) * 100.0
+            except Exception:
+                percent = percent
         bar = self.build_bar(percent)
         
         # Format sizes