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The Handover

Rootnotes

These stale when the tooling changes, so they record the tool and version they were tested against.

What an agent may change in a design system unattended, where it must stop, and how to tell a problem of taste from a problem of structure before spending a day on the wrong one.

Design · RootnotesLeon Mallett, Founder of Captivated Ltd with Claude Code
Last confirmed working 30 August 2026 on Claude Code 2026-08

The one rootnote that contains no instructions and no content, only addresses — and why each entry should name the decision at which it becomes relevant rather than the activity it describes.

General Chat · RootnotesLeon Mallett, Founder of Captivated Ltd with Claude Code
Last confirmed working 19 September 2026 on Claude Code 2026-09

What an agent may write unattended, where it must stop, and the two failures that are specific to prose — inventing detail to finish a sentence, and not knowing what you have already said.

Writing · RootnotesLeon Mallett, Founder of Captivated Ltd with Claude Code
Last confirmed working 30 August 2026 on Claude Code 2026-08

The exact name, the claims the product never makes, and how other companies' names and marks may be used — brand decisions an agent cannot infer from the code.

Writing · RootnotesLeon Mallett, Founder of Captivated Ltd with Claude Code
Last confirmed working 19 October 2026 on Claude Code 2026-10

Which licences may enter the project, what even permissive licences oblige you to ship, and where code copied from anywhere — including generated code — has to come from.

General Chat · RootnotesLeon Mallett, Founder of Captivated Ltd with Claude Code
Last confirmed working 19 October 2026 on Claude Code 2026-10