Admin group: single table, defense actions in cells; flash messages as toasts

web/src/main/resources/templates/change_password.html

@@ -12,7 +12,6 @@
         <p class="text-sm text-muted mb-4" th:if="${currentUser == null or !currentUser.mustChangePassword}">
             Смените пароль, если хотите. После сохранения вы останетесь в системе.
         </p>
-        <div th:if="${error}" class="alert alert-error" th:text="${error}"></div>
         <form class="card form-card form-stack" th:action="@{/change-password}" method="post">
             <div><label class="label" for="old">Текущий пароль</label><input class="input" id="old" name="old" type="password" required></div>
             <div><label class="label" for="new">Новый пароль</label><input class="input" id="new" name="new" type="password" required><p class="hint">Минимум 8 символов.</p></div>