Merge branch 'worktree-agent-a0e6f31173772c798'

# Conflicts:
#	GerbilManagerWebAPI/ApplicationContext.cs
#	GerbilManagerWebAPI/Program.cs
#	gerbil-manager-web/e2e/mock-data.ts
#	gerbil-manager-web/src/strings/de.ts

gerbil-manager-web/src/components/AppShell.tsx

@@ -28,6 +28,8 @@ const SECONDARY: NavItem[] = [
   { to: '/reservierungen', label: de.nav.reservations, icon: '🔖' },
   // INBOX-1: Anfragen-Posteingang
   { to: '/anfragen', label: de.nav.requests, icon: '📨' },
+  // WAITLIST: Warteliste/Nachfrage (RennmausPro nachfrage_tb)
+  { to: '/warteliste', label: de.nav.waitingList, icon: '📝' },
   { to: '/statistik', label: de.nav.statistics, icon: '📊' },
   // FEAT-13: Abgabeverträge + Zuchtprofil
   { to: '/vertraege', label: de.nav.contracts, icon: '📄' },