- Populated state: asserts .sx-react-calendar-wrapper visible + 'Nothing here' absent - Error state: mocks /api/events* to 500, asserts 'Couldn't load events' heading + Retry ≥44px + no overflow; unroutes after - TEST-02 preconditions: asserts nav landmark visible (authed reach) + URL on localhost (no Authelia redirect) + navigator.serviceWorker.controller null (SW block) - No absolute URLs; route mocks paired with unroute (T-07-11)