Add User Management component to admin page, replacing placeholder text with functional UI for user management.

app/api/admin/users/route.ts

@@ -0,0 +1,44 @@
+import { NextResponse } from "next/server";
+import { auth } from "@/lib/auth";
+import { prisma } from "@/lib/prisma";
+import { Role } from "@/prisma/generated/prisma/client";
+
+export async function GET() {
+  try {
+    const session = await auth();
+
+    if (!session?.user || session.user.role !== Role.ADMIN) {
+      return NextResponse.json({ error: "Accès refusé" }, { status: 403 });
+    }
+
+    // Récupérer tous les utilisateurs avec leurs stats
+    const users = await prisma.user.findMany({
+      select: {
+        id: true,
+        username: true,
+        email: true,
+        role: true,
+        score: true,
+        level: true,
+        hp: true,
+        maxHp: true,
+        xp: true,
+        maxXp: true,
+        avatar: true,
+        createdAt: true,
+      },
+      orderBy: {
+        score: "desc",
+      },
+    });
+
+    return NextResponse.json(users);
+  } catch (error) {
+    console.error("Error fetching users:", error);
+    return NextResponse.json(
+      { error: "Erreur lors de la récupération des utilisateurs" },
+      { status: 500 }
+    );
+  }
+}
+