chore: import upstream snapshot with attribution

apps/sim/app/(auth)/sso/loading.tsx

@@ -0,0 +1,16 @@
+import { Skeleton } from '@sim/emcn'
+
+export default function SSOLoading() {
+  return (
+    <div className='flex flex-col items-center'>
+      <Skeleton className='h-[38px] w-[120px] rounded-[4px]' />
+      <Skeleton className='mt-3 h-[14px] w-[260px] rounded-[4px]' />
+      <div className='mt-8 w-full space-y-2'>
+        <Skeleton className='h-[14px] w-[80px] rounded-[4px]' />
+        <Skeleton className='h-[44px] w-full rounded-[10px]' />
+      </div>
+      <Skeleton className='mt-6 h-[44px] w-full rounded-[10px]' />
+      <Skeleton className='mt-6 h-[14px] w-[120px] rounded-[4px]' />
+    </div>
+  )
+}

apps/sim/app/(auth)/sso/page.tsx

@@ -0,0 +1,23 @@
+import { Suspense } from 'react'
+import type { Metadata } from 'next'
+import { redirect } from 'next/navigation'
+import { getEnv, isTruthy } from '@/lib/core/config/env'
+import SSOForm from '@/ee/sso/components/sso-form'
+
+export const metadata: Metadata = {
+  title: 'Single Sign-On',
+}
+
+export const dynamic = 'force-dynamic'
+
+export default async function SSOPage() {
+  if (!isTruthy(getEnv('NEXT_PUBLIC_SSO_ENABLED'))) {
+    redirect('/login')
+  }
+
+  return (
+    <Suspense fallback={null}>
+      <SSOForm />
+    </Suspense>
+  )
+}