Add validation for email

app/Http/Controllers/Auth/LoginController.php

@@ -5,6 +5,7 @@ namespace App\Http\Controllers\Auth;
 use App\Http\Controllers\Controller;
 use App\Providers\RouteServiceProvider;
 use Illuminate\Foundation\Auth\AuthenticatesUsers;
+use Illuminate\Http\Request;
 use Inertia\Response;
 
 class LoginController extends Controller
@@ -43,4 +44,15 @@ class LoginController extends Controller
     {
         return \Inertia::render('VLogin');
     }
+
+    /**
+     * Validate the user login request.
+     */
+    protected function validateLogin(Request $request): void
+    {
+        $request->validate([
+            $this->username() => 'required|max:255|string|email',
+            'password' => 'required|string',
+        ]);
+    }
 }