Does this mean that for any user interaction some of your code will run on backend which means you'll need to monitor the behavior & performance of the server.

Does this mean that for any user interaction some of your code will run on backend which means you'll need to monitor the behavior & performance of the server. Imagine something breaking in a Server Component in production. Your breakpoint debugging browser-skills now need happen on the server. Btw there's nothing wrong with this. I dig the idea of owning more of backend and Server Components are a really interesting paradigm to enable that!