curl -X GET "https://app.lance.so/api/v1/operations/payment/customer-portal" \
  -H "Authorization: Bearer <token>" \
  -L

// Note: This endpoint redirects, so use it as a link or window.location
window.location.href = "/api/v1/operations/payment/customer-portal";

// Typical usage: redirect in a button click handler
const handleManageBilling = () => {
  // The endpoint will redirect to Stripe Customer Portal
  window.location.href = "/api/v1/operations/payment/customer-portal";
};

// Usage in a React component
function BillingButton() {
  return (
    <a href="/api/v1/operations/payment/customer-portal">Manage Billing</a>
  );
}

HTTP/1.1 302 Found
Location: https://billing.stripe.com/p/session/test_abc123...

{
  "error": {
    "code": "UNAUTHORIZED",
    "message": "Authentication required"
  }
}

{
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Organization ID is required"
  }
}

{
  "error": {
    "code": "NOT_FOUND",
    "message": "Stripe customer for organization org_abc123 not found"
  }
}