export function createFakeJwt(expiresInSeconds = 3600): string {
  const header = Buffer.from(JSON.stringify({ alg: 'none', typ: 'JWT' })).toString('base64url');
  const payload = Buffer.from(
    JSON.stringify({
      sub: 'e2e-user',
      exp: Math.floor(Date.now() / 1000) + expiresInSeconds,
    }),
  ).toString('base64url');

  return `${header}.${payload}.e2e`;
}