minor updates

src/myfasthtml/controls/TreeView.py

@@ -341,10 +341,11 @@ class TreeView(MultipleInstance):
     return self
   
   def _start_rename(self, node_id: str):
-    """Start renaming a node (sets editing state)."""
+    """Start renaming a node (sets editing state and selection)."""
     if node_id not in self._state.items:
       raise ValueError(f"Node {node_id} does not exist")
-    
+
+    self._state.selected = node_id
     self._state.editing = node_id
     return self