claude-code/src/components/MessageModel.tsx

import React from 'react';
import { Box, Text, stringWidth } from '@anthropic/ink';
import type { NormalizedMessage } from '../types/message.js';

type Props = {
  message: NormalizedMessage;
  isTranscriptMode: boolean;
};

export function MessageModel({ message, isTranscriptMode }: Props): React.ReactNode {
  const content = message.message?.content;
  const contentArray = Array.isArray(content) ? content : [];
  const shouldShowModel =
    isTranscriptMode &&
    message.type === 'assistant' &&
    message.message?.model &&
    contentArray.some((c: any) => c?.type === 'text');

  if (!shouldShowModel) {
    return null;
  }

  const model = message.message!.model as string;

  return (
    <Box minWidth={stringWidth(model) + 8}>
      <Text dimColor>{model}</Text>
    </Box>
  );
}