Why: the three views, the blocked empty-reviewer save, and the narrow-screen matrix need a browser check that does not depend on a live account.
Evidence: SELF playwright e2e/rdm-duties.playwright.ts, 3 passed against the local Vite server.
Impact: the duties end-to-end file now drives assignment, stale responses, and the narrow-screen guidance.
Refs: feature/rdm-duty-matrix
Co-authored-by: Cursor <cursoragent@cursor.com>