docs(api): name current audit writer export

[drewstone]

Summary

• name the current public export for the UI audit writer
• remove the final active reference to a deleted Runtime subpath

Proof

• git diff --check
• exact search finds zero active references to removed Runtime subpaths
• git merge-tree --write-tree origin/main HEAD: 769d4b55b132656181bdd0becbfc75137502f67f

Comment-only change. Runtime behavior and package output are unchanged.

[tangletools]

✅ Auto-approved drewstone PR — 9d29d9f1

This PR was opened by the trusted drewstone account.
The full PR reviewer audit still runs separately and will publish findings if it detects issues.

_{tangletools · auto-approval · reason: drewstone_author · 2026-07-28T22:34:06Z}

[tangletools]

✅ Auto-approved drewstone PR — 9d29d9f1

This PR was opened by the trusted drewstone account.
The full PR reviewer audit still runs separately and will publish findings if it detects issues.

_{tangletools · auto-approval · reason: drewstone_author · 2026-07-28T22:37:36Z}