Site settings -> Campuses tab; campus picker in the event editor; campus filter and badges on the events list, public events page (remembered, starts on home campus) and reports/dashboards; /campus/<slug> pages and sitemap; home campus on the profile; "Everyone at a campus" in email and WhatsApp broadcasts. Help, FEATURES, SETTINGS, API docs, protocol doc (campusCount), handover and roadmap updated; campuses seeded for e2e. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>