feat(policy): implement project-level policy support (#18682)

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

@@ -0,0 +1,116 @@
+/**
+ * @license
+ * Copyright 2026 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { Box, Text } from 'ink';
+import { useCallback, useRef } from 'react';
+import type React from 'react';
+import {
+  type Config,
+  type PolicyUpdateConfirmationRequest,
+  PolicyIntegrityManager,
+} from '@google/gemini-cli-core';
+import { theme } from '../semantic-colors.js';
+import type { RadioSelectItem } from './shared/RadioButtonSelect.js';
+import { RadioButtonSelect } from './shared/RadioButtonSelect.js';
+import { useKeypress } from '../hooks/useKeypress.js';
+import { keyMatchers, Command } from '../keyMatchers.js';
+
+export enum PolicyUpdateChoice {
+  ACCEPT = 'accept',
+  IGNORE = 'ignore',
+}
+
+interface PolicyUpdateDialogProps {
+  config: Config;
+  request: PolicyUpdateConfirmationRequest;
+  onClose: () => void;
+}
+
+export const PolicyUpdateDialog: React.FC<PolicyUpdateDialogProps> = ({
+  config,
+  request,
+  onClose,
+}) => {
+  const isProcessing = useRef(false);
+
+  const handleSelect = useCallback(
+    async (choice: PolicyUpdateChoice) => {
+      if (isProcessing.current) {
+        return;
+      }
+
+      isProcessing.current = true;
+      try {
+        if (choice === PolicyUpdateChoice.ACCEPT) {
+          const integrityManager = new PolicyIntegrityManager();
+          await integrityManager.acceptIntegrity(
+            request.scope,
+            request.identifier,
+            request.newHash,
+          );
+          await config.loadWorkspacePolicies(request.policyDir);
+        }
+        onClose();
+      } finally {
+        isProcessing.current = false;
+      }
+    },
+    [config, request, onClose],
+  );
+
+  useKeypress(
+    (key) => {
+      if (keyMatchers[Command.ESCAPE](key)) {
+        onClose();
+        return true;
+      }
+      return false;
+    },
+    { isActive: true },
+  );
+
+  const options: Array<RadioSelectItem<PolicyUpdateChoice>> = [
+    {
+      label: 'Accept and Load',
+      value: PolicyUpdateChoice.ACCEPT,
+      key: 'accept',
+    },
+    {
+      label: 'Ignore (Use Default Policies)',
+      value: PolicyUpdateChoice.IGNORE,
+      key: 'ignore',
+    },
+  ];
+
+  return (
+    <Box flexDirection="column" width="100%">
+      <Box
+        flexDirection="column"
+        borderStyle="round"
+        borderColor={theme.status.warning}
+        padding={1}
+        marginLeft={1}
+        marginRight={1}
+      >
+        <Box flexDirection="column" marginBottom={1}>
+          <Text bold color={theme.text.primary}>
+            New or changed {request.scope} policies detected
+          </Text>
+          <Text color={theme.text.primary}>Location: {request.identifier}</Text>
+          <Text color={theme.text.primary}>
+            Do you want to accept and load these policies?
+          </Text>
+        </Box>
+
+        <RadioButtonSelect
+          items={options}
+          onSelect={handleSelect}
+          isFocused={true}
+        />
+      </Box>
+    </Box>
+  );
+};