Function formatTokens

src/components/layout/ChatHeader.tsx:34–35

(n: number)

  const currentUsage = activeSessionId ? sessionUsage[activeSessionId] : undefined;

  const formatTokens = (n: number) =>
    n >= 1000 ? `${(n / 1000).toFixed(1)}k` : String(n);

  const [isRenaming, setIsRenaming] = useState(false);
  const [renameValue, setRenameValue] = useState('');