`scripts/lib/`

what more than one guard needs - glob matching, so two guards cannot answer the same question differently

Reference

Status. Required - part of the core profile.
How it arrives. copy - ship verbatim; the repo gets a byte-for-byte copy (guards, templates that carry no repo-specific content)
Shipped form. read it in the standard's own tree

The rule that requires it

Compliance MUST be enforced by tooling, not prose:

Read this rule in full