Factory over Assistant - Why Dev Tooling UX Is Shifting

The "assistant" model -sitting in a sidebar, watching an agent work, ping-ponging back and forth -optimizes for the wrong thing. As models become capable of autonomous work for 45 minutes or more, the human becomes the bottleneck. The future of agent tooling isn't a better sidebar. It's a factory: spawn multiple agents, let them run, check in periodically.