> */ public function rules(): array { return [ 'username' => ['required', 'string', 'max:120', 'unique:users,username'], 'email' => ['required', 'string', 'email', 'max:255', 'unique:users,email'], 'password' => ['required', 'string', Password::defaults(), 'confirmed'], 'device_name' => ['nullable', 'string', 'max:255'], ]; } }