Where I put my focus when I delegate to agents

Almost a year ago I wrote about how to keep the discipline in AI-assisted TDD. In that flow I steered the agent in real time, in the same session where the code was being written: I picked every test, corrected the design on the fly and approved every commit. That flow changed gradually. Models got better from one version to the next, and the repository conventions got sharper with every correction I wrote down. With both, it made less and less sense to steer the implementation step by step, and more sense to put the weight on the spec: make clear what to build and how, and delegate the rest. At some point the implementation was running on autopilot until it was ready for review. ...

October 13, 2026 · 6 min · Pascual Montesinos