diff --git a/tui/screens/main_screen.py b/tui/screens/main_screen.py
index ad8fa3e..4c5b2c8 100644
--- a/tui/screens/main_screen.py
+++ b/tui/screens/main_screen.py
@@ -163,6 +163,12 @@ class MainScreen(Screen):
 
     # ── Events ─────────────────────────────────────────────────────────────────
 
+    def on_data_table_row_highlighted(self, event: DataTable.RowHighlighted) -> None:
+        """Cursor-Bewegung: conv_id sofort merken (für d-Taste etc.)."""
+        conv_id = self._conv_id_map.get(event.cursor_row)
+        if conv_id:
+            self._current_conv_id = conv_id
+
     async def on_data_table_row_selected(self, event: DataTable.RowSelected) -> None:
         row_idx = event.cursor_row
         conv_id = self._conv_id_map.get(row_idx)