Add React-based remove annotations tool (#4504)

Co-authored-by: Claude <[email protected]>

frontend/src/components/tools/removeAnnotations/RemoveAnnotationsSettings.tsx

@@ -0,0 +1,26 @@
+import { useTranslation } from 'react-i18next';
+import { Stack, Text, Alert } from '@mantine/core';
+import LocalIcon from '../../shared/LocalIcon';
+
+const RemoveAnnotationsSettings = () => {
+  const { t } = useTranslation();
+
+  return (
+    <Stack gap="md">
+      <Alert
+        icon={<LocalIcon icon="info-rounded" width="1.2rem" height="1.2rem" />}
+        title={t('removeAnnotations.info.title', 'About Remove Annotations')}
+        color="blue"
+        variant="light"
+      >
+        <Text size="sm">
+          {t('removeAnnotations.info.description',
+            'This tool will remove all annotations (comments, highlights, notes, etc.) from your PDF documents.'
+          )}
+        </Text>
+      </Alert>
+    </Stack>
+  );
+};
+
+export default RemoveAnnotationsSettings;