Refactor: Improve console error/log display in CLI (#486)

packages/cli/src/ui/components/ConsoleSummaryDisplay.tsx

@@ -0,0 +1,35 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import React from 'react';
+import { Box, Text } from 'ink';
+import { Colors } from '../colors.js';
+
+interface ConsoleSummaryDisplayProps {
+  errorCount: number;
+  // logCount is not currently in the plan to be displayed in summary
+}
+
+export const ConsoleSummaryDisplay: React.FC<ConsoleSummaryDisplayProps> = ({
+  errorCount,
+}) => {
+  if (errorCount === 0) {
+    return null;
+  }
+
+  const errorIcon = '\u2716'; // Heavy multiplication x (✖)
+
+  return (
+    <Box>
+      {errorCount > 0 && (
+        <Text color={Colors.AccentRed}>
+          {errorIcon} {errorCount} error{errorCount > 1 ? 's' : ''}{' '}
+          <Text color={Colors.SubtleComment}>(CTRL-D for details)</Text>
+        </Text>
+      )}
+    </Box>
+  );
+};