Write a manual A manual explains one subject, such as a protocol, a file format, or a runtime, at one exact version. A lesson teaches a concept and moves on. A manual stays with one system until the reader can predict what it does in a case the manual never showed. This skill gives the full method. It covers research, ranked sources, and a register of conflicts between sources. It also covers an offline capture kit, a fixed section shape, prose limits, and an audit that must report . It works in any repository. Inside the AI Engineering from Scratch repo, the tooling already exists, and is th…