test(visual): regenerate baselines to match current page state
23 baselines updated to reflect intentional content evolution. Layouts
and design-system structure are unchanged — diffs are copy edits, refreshed
data, and (for /coming-soon) added pre-register / magic-link affordances.
Driven by: home hero copy + button labels changed; about/events/members
reflect updated content; admin pages reflect current member/event data;
SignupFlowOverlay structure on join; auth-gated routes redirect unauth
visitors to /join (members-mobile, members-desktop snapshots).
Spot-checked: coming-soon, members-mobile, home — all look right.