These functions describe DocumentStatus display logic (dot colours, readable
labels) and belong in the document domain. They were incorrectly placed in
personFormat.ts. Moving them to documentStatusLabel.ts removes the
person → document dependency and prepares the codebase for the
boundaries/dependencies ESLint rule.
Refs #410
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
