error obfuscation in next.js / vercel in prod

next-prod.md

If we have a server action like this:

'use server';

export async function serverActionRoutine(){
    throw new Error('prod error');
}

on the client, the error is obfuscated - now I know we can do this instead:

'use server';

export async function serverActionRoutine(){
try{
    throw new Error('prod error');
    } catch(error){
       return {success: false, error}
    }
}

but we have a lot of code that simply throws and re-factoring it all on front-end and backend would be unideal. I simply want to switch off error obfuscation in production - how?