feat: enhance user authentication and profile retrieval

- Updated GET handler in auth route to fetch user UUID from cookie using AuthService.
- Improved error handling for unauthenticated and non-existent users.
- Added team name retrieval for the user profile, with fallback handling.
- Refactored AuthClient to return detailed user information including team details.
- Enhanced navigation component to use a dropdown menu for user actions, improving UI/UX.
- Implemented loading state in UserContext to manage user info fetching.

app/api/auth/profile/route.ts

@@ -0,0 +1,46 @@
+import { NextRequest, NextResponse } from "next/server";
+import { AuthService, userService } from "@/services";
+
+export async function PUT(request: NextRequest) {
+  try {
+    // Vérifier si l'utilisateur est connecté
+    const userUuid = await AuthService.getUserUuidFromCookie();
+
+    if (!userUuid) {
+      return NextResponse.json({ error: "Non authentifié" }, { status: 401 });
+    }
+
+    // Récupérer les données de mise à jour
+    const { firstName, lastName, teamId } = await request.json();
+
+    // Validation des données
+    if (!firstName || !lastName || !teamId) {
+      return NextResponse.json(
+        { error: "Tous les champs sont requis" },
+        { status: 400 }
+      );
+    }
+
+    // Mettre à jour l'utilisateur
+    await userService.updateUserByUuid(userUuid, {
+      firstName,
+      lastName,
+      teamId,
+    });
+
+    return NextResponse.json({
+      message: "Profil mis à jour avec succès",
+      user: {
+        firstName,
+        lastName,
+        teamId,
+      },
+    });
+  } catch (error: any) {
+    console.error("Profile update error:", error);
+    return NextResponse.json(
+      { error: error.message || "Erreur lors de la mise à jour du profil" },
+      { status: 500 }
+    );
+  }
+}