AI agents are becoming software users instead of software features

Something I didn't expect from all this agent work is how often I stop thinking about the human using the software. A lot of the interfaces being built now aren't really meant for people. They're meant for agents. Instead of clicking through dashboards, the agent calls an API. Instead of reading a paragraph, it gets structured data. Instead of navigating a UI, it works with tool schemas and permissions. And that got me wondering if we're heading toward a world where a lot of business software is designed with agents as the primary user and humans as the supervisors. If that happens, I wonder how much software design changes. Do dashboards become less important than APIs? Do we spend more time designing reliable tool interfaces than polished UIs? Am curious whether other people have started thinking about this too, or if I'm reading too much into where things are heading.