A deep dive into the 3-way battle for the developer's desktop—comparing AI depth, flow state, autonomous agents, and real-world productivity. Three years ago, choosing a code editor was simple: you downloaded VS Code, installed your favorite syntax theme, added a few extensions, and got to work. Today, developer tooling has undergone a seismic shift. AI isn't just an extension sitting in a sidebar; it's driving entire workflows, editing dozens of files simultaneously, and executing comple...