Every chapter in this book describes the agent collaboration. The Logbook is the agent collaboration.
Each entry below is a real session between Daniel and one of the agents — Claude Code, Bob, Lace, Ben — curated and lightly edited, with the artifacts the session produced linked at the end. Not every session lands here. The curation rule is simple: an entry exists when there was a real argument, a real pushback, or a decision worth showing. The same shape as the decision stories in the chapters — these are the raw material those stories were written against.
Why this section exists. The book's central claim is that it was "written with the agents while the agents are doing the work." The chapters describe that. The logbook proves it. Every entry is dated, references a chapter, and links to the commit or PR it produced. The trail is auditable from sentence to artifact.
That's the logbook. Each entry is one conversation that produced one decision. Future entries land here as sessions happen — written down while the work is still being done.