Why: the settings page was mixing duty assignment with whole-document review and chapter objects. The three views need one draft and one save check.
Evidence: SELF vitest run of the frontend suite, 278 tests passed, including duty-draft and design-guard.
Impact: the duties tab assigns existing documents only. Submit, approve, reject, and final stay out of this page. Commands that are not ready keep the tab hidden.
Refs: feature/rdm-duty-matrix
Co-authored-by: Cursor <cursoragent@cursor.com>