feat: The Other Dude v9.0.1 — full-featured email system

ci: add GitHub Pages deployment workflow for docs site

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/routes/_authenticated/index.tsx

@@ -0,0 +1,43 @@
+import { useEffect } from 'react'
+import { createFileRoute, useNavigate } from '@tanstack/react-router'
+import { useQuery } from '@tanstack/react-query'
+import { FleetDashboard } from '@/components/fleet/FleetDashboard'
+import { CardGridSkeleton } from '@/components/ui/page-skeleton'
+import { useAuth, isSuperAdmin } from '@/lib/auth'
+import { tenantsApi } from '@/lib/api'
+
+export const Route = createFileRoute('/_authenticated/')({
+  component: FleetDashboardPage,
+})
+
+function FleetDashboardPage() {
+  const { user } = useAuth()
+  const navigate = useNavigate()
+
+  // Only check for super_admin -- regular users always have a tenant
+  const shouldCheck = isSuperAdmin(user)
+
+  const { data: tenants, isLoading: tenantsLoading } = useQuery({
+    queryKey: ['tenants'],
+    queryFn: tenantsApi.list,
+    enabled: shouldCheck,
+  })
+
+  // Filter out the System (Internal) tenant — only real customer tenants count
+  const realTenants = tenants?.filter(
+    (t) => t.id !== '00000000-0000-0000-0000-000000000000',
+  )
+
+  useEffect(() => {
+    if (shouldCheck && !tenantsLoading && tenants && realTenants && realTenants.length === 0) {
+      void navigate({ to: '/setup' })
+    }
+  }, [shouldCheck, tenantsLoading, tenants, realTenants, navigate])
+
+  // Show skeleton while checking (super_admin only)
+  if (shouldCheck && tenantsLoading) {
+    return <CardGridSkeleton />
+  }
+
+  return <FleetDashboard />
+}