I can resize Datagrid columns

src/myfasthtml/controls/TabsManager.py

@@ -129,7 +129,7 @@ class TabsManager(MultipleInstance):
     # 2. Get or create parent
     if tab_config["component_parent"] is None:
       logger.error(f"No parent defined for tab {tab_id}")
-      return Div("Failed to retrieve tab content.")
+      return Div("Failed to retrieve tab content (no parent).")
 
     parent = InstancesManager.get(self._session, tab_config["component_parent"][1], None)
     if parent is None:
@@ -146,11 +146,11 @@ class TabsManager(MultipleInstance):
         return content
       except Exception as e:
         logger.error(f"Error while parent creating tab content: {e}")
-        return Div("Failed to retrieve tab content.")
+        return Div("Failed to retrieve tab content (cannot create).")
     else:
       # Parent doesn't support create_tab_content, fallback to error
       logger.error(f"Parent {tab_config['component_parent'][1]} doesn't support create_tab_content")
-      return Div("Failed to retrieve tab content.")
+      return Div("Failed to retrieve tab content (create tab not supported).")
   
   def _get_or_create_tab_content(self, tab_id):
     """