Add dotenv package for environment variable management and update pnpm-lock.yaml. Adjust layout in RegisterPage and LoginPage components for improved responsiveness. Enhance AdminPanel with ChallengeManagement section and update navigation links for challenges. Refactor Prisma schema to include Challenge model and related enums.

app/api/admin/challenges/route.ts

@@ -0,0 +1,30 @@
+import { NextResponse } from "next/server";
+import { auth } from "@/lib/auth";
+import { challengeService } from "@/services/challenges/challenge.service";
+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 défis (PENDING et ACCEPTED) pour l'admin
+    const allChallenges = await challengeService.getAllChallenges();
+    // Filtrer pour ne garder que PENDING et ACCEPTED
+    const challenges = allChallenges.filter(
+      (c) => c.status === "PENDING" || c.status === "ACCEPTED"
+    );
+
+    return NextResponse.json(challenges);
+  } catch (error) {
+    console.error("Error fetching challenges:", error);
+    return NextResponse.json(
+      { error: "Erreur lors de la récupération des défis" },
+      { status: 500 }
+    );
+  }
+}
+