Auth blocking (#1261)

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

@@ -0,0 +1,51 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import React, { useState, useEffect } from 'react';
+import { Box, Text } from 'ink';
+import Spinner from 'ink-spinner';
+import { Colors } from '../colors.js';
+
+interface AuthInProgressProps {
+  onTimeout: () => void;
+}
+
+export function AuthInProgress({
+  onTimeout,
+}: AuthInProgressProps): React.JSX.Element {
+  const [timedOut, setTimedOut] = useState(false);
+
+  useEffect(() => {
+    const timer = setTimeout(() => {
+      setTimedOut(true);
+      onTimeout();
+    }, 30000);
+
+    return () => clearTimeout(timer);
+  }, [onTimeout]);
+
+  return (
+    <Box
+      borderStyle="round"
+      borderColor={Colors.Gray}
+      flexDirection="column"
+      padding={1}
+      width="100%"
+    >
+      {timedOut ? (
+        <Text color={Colors.AccentRed}>
+          Authentication timed out. Please try again.
+        </Text>
+      ) : (
+        <Box>
+          <Text>
+            <Spinner type="dots" /> Waiting for auth...
+          </Text>
+        </Box>
+      )}
+    </Box>
+  );
+}