Add privacy notice slash command (#2059)

packages/cli/src/ui/privacy/GeminiPrivacyNotice.tsx

@@ -0,0 +1,58 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { Box, Newline, Text, useInput } from 'ink';
+import { Colors } from '../colors.js';
+
+interface GeminiPrivacyNoticeProps {
+  onExit: () => void;
+}
+
+export const GeminiPrivacyNotice = ({ onExit }: GeminiPrivacyNoticeProps) => {
+  useInput((input, key) => {
+    if (key.escape) {
+      onExit();
+    }
+  });
+
+  return (
+    <Box flexDirection="column" marginBottom={1}>
+      <Text bold color={Colors.AccentPurple}>
+        Gemini API Key Notice
+      </Text>
+      <Newline />
+      <Text>
+        By using the Gemini API<Text color={Colors.AccentBlue}>[1]</Text>,
+        Google AI Studio
+        <Text color={Colors.AccentRed}>[2]</Text>, and the other Google
+        developer services that reference these terms (collectively, the
+        &quot;APIs&quot; or &quot;Services&quot;), you are agreeing to Google
+        APIs Terms of Service (the &quot;API Terms&quot;)
+        <Text color={Colors.AccentGreen}>[3]</Text>, and the Gemini API
+        Additional Terms of Service (the &quot;Additional Terms&quot;)
+        <Text color={Colors.AccentPurple}>[4]</Text>.
+      </Text>
+      <Newline />
+      <Text>
+        <Text color={Colors.AccentBlue}>[1]</Text>{' '}
+        https://ai.google.dev/docs/gemini_api_overview
+      </Text>
+      <Text>
+        <Text color={Colors.AccentRed}>[2]</Text> https://aistudio.google.com/
+      </Text>
+      <Text>
+        <Text color={Colors.AccentGreen}>[3]</Text>{' '}
+        https://developers.google.com/terms
+      </Text>
+      <Text>
+        <Text color={Colors.AccentPurple}>[4]</Text>{' '}
+        https://ai.google.dev/gemini-api/terms
+      </Text>
+      <Newline />
+      <Text color={Colors.Gray}>Press Esc to exit.</Text>
+    </Box>
+  );
+};