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.

clients/domains/auth-client.ts

@@ -51,9 +51,23 @@ export class AuthClient extends BaseHttpClient {
   /**
    * Récupère l'utilisateur actuel depuis le cookie
    */
-  async getCurrentUser(): Promise<UserProfile | null> {
+  async getCurrentUser(): Promise<{
+    firstName: string;
+    lastName: string;
+    teamId: string;
+    teamName: string;
+    uuid: string;
+  } | null> {
     try {
-      const response = await this.get<{ user: UserProfile }>("/auth");
+      const response = await this.get<{
+        user: {
+          firstName: string;
+          lastName: string;
+          teamId: string;
+          teamName: string;
+          uuid: string;
+        };
+      }>("/auth");
       return response.user;
     } catch (error) {
       console.error("Failed to get current user:", error);