fix: prevent ghost border for AskUserDialog (#17788)

packages/cli/src/ui/components/messages/ToolGroupMessage.tsx

@@ -116,13 +116,11 @@ export const ToolGroupMessage: React.FC<ToolGroupMessageProps> = ({
     [toolCalls, isEventDriven],
   );
 
-  // If all tools are hidden (e.g. group only contains confirming or pending tools),
-  // render nothing in the history log unless we have a border override.
-  if (
-    visibleToolCalls.length === 0 &&
-    borderTopOverride === undefined &&
-    borderBottomOverride === undefined
-  ) {
+  // If all tools are filtered out (e.g., in-progress AskUser tools, confirming tools
+  // in event-driven mode), only render if we need to close a border from previous
+  // tool groups. borderBottomOverride=true means we must render the closing border;
+  // undefined or false means there's nothing to display.
+  if (visibleToolCalls.length === 0 && borderBottomOverride !== true) {
     return null;
   }