ML Alone Is Just Numbers. Here's the 5-Layer...

I used to think if the model works, the job is done. Like literally train, evaluate, deploy, done. That was the whole workflow in my head. Nobody ever told me otherwise, not in any course, not in any academic lecture I sat through. To be very honest, it took me embarrassingly long to realize that's not engineering. That's just hoping the world doesn't change. The thing nobody actually tells you Every ML course stops at the model. Accuracy looks good? Here's your certificate, you're done. Nobody