Covers the four other shipped presets (Web Development, Data Science, Product Management, Biological Science): each loads complete, targets major changes and bug fixes, resolves every check to a shipped body whose major-change reviews end in a blockers verdict, and gets a leaner chain under Technical Control mode.

## Before writing SPEC.md files

Read https://raw.githubusercontent.com/brillout/sdd/refs/heads/main/sdd.md
