Today was the day of tools. npm. npx. Vite. JSX. Fragment tags. Ports. My notion workspace filled up fast, and my head filled up even faster. By 2pm I had written things I understood in class but couldn't explain to anyone outside the room. So I'm writing this the way I wish someone had written it for me before class — not the textbook version. The honest version. The "why does this even exist" ve