feat: add 2FA verification to auth provider

- Introduced `verify2fa` method for handling two-factor authentication.
- Updated `login` to support 2FA response handling.
- Enhanced `AuthContext` with new `verify2fa` method and types.

frontend/src/providers/auth-provider.tsx

@@ -5,14 +5,15 @@ import * as React from "react";
 import { toast } from "sonner";
 import { AuthService } from "@/services/auth.service";
 import { UserService } from "@/services/user.service";
-import type { RegisterPayload } from "@/types/auth";
+import type { LoginResponse, RegisterPayload } from "@/types/auth";
 import type { User } from "@/types/user";
 
 interface AuthContextType {
 	user: User | null;
 	isLoading: boolean;
 	isAuthenticated: boolean;
-	login: (email: string, password: string) => Promise<void>;
+	login: (email: string, password: string) => Promise<LoginResponse>;
+	verify2fa: (userId: string, token: string) => Promise<void>;
 	register: (payload: RegisterPayload) => Promise<void>;
 	logout: () => Promise<void>;
 	refreshUser: () => Promise<void>;
@@ -59,12 +60,43 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
 
 	const login = async (email: string, password: string) => {
 		try {
-			await AuthService.login(email, password);
+			const response = await AuthService.login(email, password);
+			if (response.userId && response.message === "Please provide 2FA token") {
+				return response;
+			}
+			await refreshUser();
+			toast.success("Connexion réussie !");
+			router.push("/");
+			return response;
+		} catch (error: unknown) {
+			let errorMessage = "Erreur de connexion";
+			if (
+				error &&
+				typeof error === "object" &&
+				"response" in error &&
+				error.response &&
+				typeof error.response === "object" &&
+				"data" in error.response &&
+				error.response.data &&
+				typeof error.response.data === "object" &&
+				"message" in error.response.data &&
+				typeof error.response.data.message === "string"
+			) {
+				errorMessage = error.response.data.message;
+			}
+			toast.error(errorMessage);
+			throw error;
+		}
+	};
+
+	const verify2fa = async (userId: string, token: string) => {
+		try {
+			await AuthService.verify2fa(userId, token);
 			await refreshUser();
 			toast.success("Connexion réussie !");
 			router.push("/");
 		} catch (error: unknown) {
-			let errorMessage = "Erreur de connexion";
+			let errorMessage = "Code 2FA invalide";
 			if (
 				error &&
 				typeof error === "object" &&
@@ -130,6 +162,7 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
 				isLoading,
 				isAuthenticated: !!user,
 				login,
+				verify2fa,
 				register,
 				logout,
 				refreshUser,