React Server Components - The Mental Model Shift

React Server Components are not a performance trick. They are not a simpler way to do SSR. They represent a genuine renegotiation of where computation lives in a React application — and if you approach them as an incremental upgrade, you will architect yourself into corners that are painful to escape. After working through RSC adoption in production Next.js applications, I want to lay out what actually changes at the architectural level: data fetching patterns, bundle composition, state manageme