Conflict in crates/engine/src/document.rs: main turned `edit_notices` into
`Vec<EditNotice>`; the PR's `redaction_elsewhere` field is kept beside it in
this merge, and the next commit makes it an `EditNotice` variant.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Pq7HyCfwzyRXj4VfQAVVdv