Further reading
This article is a companion to Beyond the Demo and relies mostly on the other articles on this site. The few outside references it draws on are listed below.
On this site
The decisions this article builds on: the rail maintenance example, the torque question, the Crawl, Walk, Run and Fly stages, the Definition of Done and the roles of the CTO and the CIO.
What Claude, Gemini and ChatGPT actually are
How text becomes vectors, why models invent answers, and the open-source libraries used to build the two sides.
Agile Planning, chapter 06: Start with a walking skeleton
The walking skeleton that chapter 10 grows from Crawl to Fly.
Why the words in the contract belong to the business: the ubiquitous language of Domain-Driven Design.
The product owner, the backlog and releases that chapter 09 relies on.
Outside references
Regulation (EU) 2016/679, the General Data Protection Regulation
Article 17, the right to erasure, behind the requirement in chapter 06 that deletions reach the index and everything derived from it.
The first risk on OWASP's list, and the defences chapter 06 summarises.
Crystal Clear: A Human-Powered Methodology for Small Teams
Where the term walking skeleton comes from.