feat: Set up initial monorepo structure for admin and mobile applications with core configurations and database integration.

innungsapp/apps/admin/app/superadmin/layout.tsx

@@ -0,0 +1,45 @@
+import { auth } from '@/lib/auth'
+import { headers } from 'next/headers'
+import { redirect } from 'next/navigation'
+import Link from 'next/link'
+
+export default async function SuperAdminLayout({
+    children,
+}: {
+    children: React.ReactNode
+}) {
+    const session = await auth.api.getSession({ headers: await headers() })
+
+    if (!session?.user) {
+        redirect('/login')
+    }
+
+    const superAdminEmail = process.env.SUPERADMIN_EMAIL || 'superadmin@innungsapp.de'
+    if (session.user.email !== superAdminEmail) {
+        redirect('/dashboard') // Normal admins go back to dashboard
+    }
+
+    return (
+        <div className="min-h-screen bg-gray-50 flex flex-col">
+            {/* Super Admin Header */}
+            <header className="bg-gray-900 text-white border-t-2 border-brand-500 border-b border-gray-800">
+                <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
+                    <div className="flex justify-between h-12 items-center">
+                        <span
+                            className="font-bold text-base tracking-tight"
+                            style={{ fontFamily: "'Syne', system-ui, sans-serif" }}
+                        >
+                            Super Admin
+                        </span>
+                        <span className="text-xs text-gray-400">{session.user.email}</span>
+                    </div>
+                </div>
+            </header>
+
+            {/* Main Content */}
+            <main className="flex-1 max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8 w-full">
+                {children}
+            </main>
+        </div>
+    )
+}