Hervorgehobene Zeilen

use-countdown.ts
import { useEffect, useState } from 'react'; export function useCountdown(seconds: number) {  const [left, setLeft] = useState(seconds);   useEffect(() => {    if (left <= 0) return;    const id = window.setTimeout(() => setLeft(left - 1), 1000);    return () => window.clearTimeout(id);  }, [left]);   return left;}

Änderungen

plans.ts
export const plans = [entfernt   { name: 'Starter', price: 9, seats: 1 },entfernt   { name: 'Team', price: 29, seats: 5 },hinzugefügt   { name: 'Starter', price: 12, seats: 2 },hinzugefügt   { name: 'Team', price: 39, seats: 10, trialDays: 14 },  { name: 'Business', price: 99, seats: 50 },];