not sure about this commit

cht/ui/transcript_panel.py

@@ -173,6 +173,11 @@ class TranscriptPanel(Gtk.Box):
         self._selected.clear()
         self.emit("selection-changed")
 
+    def scroll_to_end(self):
+        """Scroll to the bottom (latest transcript)."""
+        adj = self._scroll.get_vadjustment()
+        GLib.idle_add(lambda: adj.set_value(adj.get_upper()) or False)
+
     def highlight_nearest(self, timestamp: float) -> None:
         """Scroll to and briefly highlight the transcript segment closest to *timestamp*."""
         if not self._order: