This is a very interesting question. Most likely, this situation will not lead to unemployment, but to such a change in the social structure of society, in which a large number of people will live on some standard social benefit, but not work. Perhaps these people will even be limited in some rights. Otherwise, it will be important for the very elite of capitalist society to prevent mass unemployment.
No, of course, but who will take care of the robots, repair, assemble, clean, and so on. To be honest, you have written some nonsense, and it is clear that work without people cannot live