From "Hello World" to "Hello Agents": The Developer Keynote That Rewired Software Engineering

This is a submission for the Google Cloud NEXT Writing Challenge Day 1 of Google Cloud Next '26 gave us the vision. Sundar Pichai announced 75% AI-generated code. Thomas Kurian declared the pilot era dead. Amin Vahdat unveiled 8th-generation TPUs. This is Part 2 of my Google Cloud Next '26 coverage. Read Part 1: The 75% Illusion. Day 2 gave us the instruction manual. Honestly, I initially thought this was going to be a product sales demo. It turned out to be the most honest technical blueprint I