curl --request POST \
  --url https://aarwcjjzhlmkgdwrisyt.supabase.co/functions/v1/auth-refresh \
  --header 'Content-Type: application/json' \
  --data '
{
  "refresh_token": "eyJhbGciOiJIUzI1NiJ9..."
}
'

{
  "success": false,
  "status": 401,
  "error": "Invalid or expired refresh token"
}