Initial commit: EduBox V2 platform

server/app/superadmin/establishments/page.tsx

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+import { prisma } from "@/lib/prisma";
+import { Table, TableHeader, TableBody, TableRow, TableHead, TableCell } from "@/components/ui/table";
+import { Card, CardHeader, CardTitle, CardContent } from "@/components/ui/card";
+import { Badge } from "@/components/ui/badge";
+
+export const dynamic = "force-dynamic";
+
+export default async function EstablishmentsPage() {
+  const establishments = await prisma.establishment.findMany({
+    include: { subscription: true, _count: { select: { users: true, classes: true } } },
+    orderBy: { createdAt: "desc" },
+  });
+
+  return (
+    <div className="space-y-6">
+      <h1 className="text-3xl font-bold">Établissements</h1>
+      <Card>
+        <CardContent className="pt-6">
+          <Table>
+            <TableHeader>
+              <TableRow>
+                <TableHead>Nom</TableHead>
+                <TableHead>Slug</TableHead>
+                <TableHead>Plan</TableHead>
+                <TableHead>Statut</TableHead>
+                <TableHead>Utilisateurs</TableHead>
+                <TableHead>Classes</TableHead>
+                <TableHead>Expiration</TableHead>
+              </TableRow>
+            </TableHeader>
+            <TableBody>
+              {establishments.map((e) => (
+                <TableRow key={e.id}>
+                  <TableCell className="font-medium">{e.name}</TableCell>
+                  <TableCell>{e.slug}</TableCell>
+                  <TableCell>
+                    <Badge variant="secondary">{e.subscription?.plan || "-"}</Badge>
+                  </TableCell>
+                  <TableCell>
+                    <Badge variant={e.subscription?.status === "active" ? "success" : "destructive"}>{e.subscription?.status || "-"}</Badge>
+                  </TableCell>
+                  <TableCell>{e._count.users}</TableCell>
+                  <TableCell>{e._count.classes}</TableCell>
+                  <TableCell>{e.subscription?.expiresAt ? new Date(e.subscription.expiresAt).toLocaleDateString("fr-FR") : "-"}</TableCell>
+                </TableRow>
+              ))}
+              {establishments.length === 0 && (
+                <TableRow>
+                  <TableCell colSpan={7} className="text-center text-muted-foreground">Aucun établissement</TableCell>
+                </TableRow>
+              )}
+            </TableBody>
+          </Table>
+        </CardContent>
+      </Card>
+    </div>
+  );
+}

server/app/superadmin/layout.tsx

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+import { getServerSession } from "next-auth/next";
+import { authOptions } from "@/lib/auth-config";
+import { redirect } from "next/navigation";
+
+export const dynamic = "force-dynamic";
+
+export default async function SuperAdminLayout({ children }: { children: React.ReactNode }) {
+  const session = await getServerSession(authOptions);
+  if (!session?.user || session.user.role !== "superadmin") redirect("/dashboard");
+  return <>{children}</>;
+}

server/app/superadmin/page.tsx

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+import { prisma } from "@/lib/prisma";
+import { Card, CardHeader, CardTitle, CardContent } from "@/components/ui/card";
+import { Badge } from "@/components/ui/badge";
+
+export const dynamic = "force-dynamic";
+
+export default async function SuperAdminPage() {
+  const establishments = await prisma.establishment.count();
+  const users = await prisma.user.count();
+  const students = await prisma.student.count();
+  const nodesOnline = await prisma.node.count({ where: { status: "online" } });
+  const instancesRunning = await prisma.instance.count({ where: { status: "running" } });
+  const activeSubs = await prisma.subscription.count({ where: { status: "active" } });
+
+  return (
+    <div className="space-y-6">
+      <h1 className="text-3xl font-bold">Super Admin — Vue globale</h1>
+      <div className="grid grid-cols-1 md:grid-cols-3 lg:grid-cols-3 gap-4">
+        <Card>
+          <CardHeader className="pb-2"><CardTitle className="text-sm font-medium text-muted-foreground">Établissements</CardTitle></CardHeader>
+          <CardContent><div className="text-3xl font-bold">{establishments}</div></CardContent>
+        </Card>
+        <Card>
+          <CardHeader className="pb-2"><CardTitle className="text-sm font-medium text-muted-foreground">Utilisateurs</CardTitle></CardHeader>
+          <CardContent><div className="text-3xl font-bold">{users}</div></CardContent>
+        </Card>
+        <Card>
+          <CardHeader className="pb-2"><CardTitle className="text-sm font-medium text-muted-foreground">Étudiants</CardTitle></CardHeader>
+          <CardContent><div className="text-3xl font-bold">{students}</div></CardContent>
+        </Card>
+        <Card>
+          <CardHeader className="pb-2"><CardTitle className="text-sm font-medium text-muted-foreground">Nœuds en ligne</CardTitle></CardHeader>
+          <CardContent><div className="text-3xl font-bold">{nodesOnline}</div></CardContent>
+        </Card>
+        <Card>
+          <CardHeader className="pb-2"><CardTitle className="text-sm font-medium text-muted-foreground">Instances running</CardTitle></CardHeader>
+          <CardContent><div className="text-3xl font-bold">{instancesRunning}</div></CardContent>
+        </Card>
+        <Card>
+          <CardHeader className="pb-2"><CardTitle className="text-sm font-medium text-muted-foreground">Abonnements actifs</CardTitle></CardHeader>
+          <CardContent><div className="text-3xl font-bold">{activeSubs}</div></CardContent>
+        </Card>
+      </div>
+    </div>
+  );
+}