Lovable + Stripe

STRIPE_SECRET_KEY=sk_test_...
NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY=pk_test_...
STRIPE_WEBHOOK_SECRET=whsec_...

// Lovable prompt:
"Add a subscription checkout button that:
1. Creates a Stripe checkout session for a $29/month plan
2. Redirects to Stripe hosted checkout
3. On success, redirects to /dashboard with a success message
4. Stores the subscription status in Supabase"

const PLANS = {
  monthly: 'price_1234567890',
  yearly: 'price_0987654321',
}

// api/webhooks/stripe/route.ts
import Stripe from 'stripe'

export async function POST(req: Request) {
  const body = await req.text()
  const sig = req.headers.get('stripe-signature')!

  const event = stripe.webhooks.constructEvent(
    body, sig, process.env.STRIPE_WEBHOOK_SECRET!
  )

  switch (event.type) {
    case 'checkout.session.completed':
      // Grant access to user
      break
    case 'customer.subscription.deleted':
      // Revoke access
      break
  }

  return new Response('ok')
}