Replay Chapter 39: Where a Decision Can Still Be Stopped
The recording runs the real agent loop with a scripted model that proposes a write to a protected path. Compare how many times the tool body ran in each run.
Pi Agents — Recorded Experiments
These pages are recordings, not live runs. Each one shows a claim from the book, the prediction made before the run, what was observed, and the ordered events of the run itself. A chapter gets a page here only when its experiment can be exported from the book’s test suite.
Replay Chapter 31: One Agent, Three Drivers
The recording drives the real pi process three ways with a scripted model. The agent does the same thing each time; what changes is who observes it and how a failure is reported.