Your coding agent just opened five PRs in a morning. Each one changes a handful of files in one product area. Each one triggers a twelve-minute build of the entire frontend: search, account, admin, marketing pages, all of it. That is an hour of CI to validate maybe two hundred lines, and the review queue is now the slowest part of a workflow you adopted to go faster. The same twelve minutes used to be an annoyance you absorbed a few times a day. At agent throughput it is the bottleneck. It...