`.claude/hooks/elicitation-guard.mjs`

refuses a write to a gated artifact until that point's question actually fired - read from the transcript structurally, so prose about having asked does not count

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

Every point this standard asks about MUST be answered through a mechanism

See it in the spec