Sauna-Driven Development: Five Shifts in How Work Happens

I'm sitting in an infrared sauna reviewing architecture decisions with AI agents. The heat penetrates from the inside out - warming my body directly rather than heating the air - which means the iPad balanced on the wooden bench beside me stays cool enough to function. This detail matters because it's part of what makes the whole scenario possible, and somehow that makes it more absurd, not less. This shouldn't be possible. Software architecture happens at desks, in offices, with proper keyboards and multiple monitors spread across whiteboards and design documents. You need focus, tools, the right environment - that's been the foundational assumption for decades. Yet here I am, sweating through API design decisions, evaluating service boundaries, reviewing technical specifications, researching alternative approaches, understanding supplier capabilities. The agents are working through system design proposals, testing integration patterns, documenting technical decisions, comparing vendo