Hey, you can use Supabase or Neon database for this, both are already integrations that are connected to v0. Just ask your agent to setup authentication. You can choose for really simple auth by just using a hashed password with minimal 10x seed and save this to a simple neon db. without a real auth service. or you can choose neon/supabase and use their authentication service, just make sure that your prompt include your wished for rollbased acces. and whenever you are done with setting everything up, ask the ai to check for any rls problems or authenticated endpoints, and make sure everything that needs to be "locked" is really locked by rls or middleware auth check. if people get your supabase public url from a raw request in your app or site they can just send requests to it, and if you have wrong or none rls setup, there is a small chance that they can see all your data and sometimes write to it. thats the starting point, but enough videos that you can find online aswell about auth services.