feat: add task notification handler

- WIP Implement `TaskNotificationHandler` for generating task-related notifications
- Created `showInNotification.html.twig` for rendering task notification view
- Added logic to fetch and display task data in notifications

src/Bundle/ChillTaskBundle/Notification/TaskNotificationHandler.php

@@ -0,0 +1,68 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\TaskBundle\Notification;
+
+use Chill\MainBundle\Entity\Notification;
+use Chill\MainBundle\Notification\NotificationHandlerInterface;
+use Chill\PersonBundle\Entity\AccompanyingPeriod;
+use Chill\PersonBundle\Repository\AccompanyingPeriodRepository;
+use Chill\TaskBundle\Entity\SingleTask;
+use Chill\TaskBundle\Repository\SingleTaskAclAwareRepository;
+use Chill\TaskBundle\Repository\SingleTaskRepository;
+use Symfony\Component\Translation\TranslatableMessage;
+use Symfony\Contracts\Translation\TranslatableInterface;
+
+final readonly class TaskNotificationHandler implements NotificationHandlerInterface
+{
+    public function __construct(private SingleTaskRepository $repository) {}
+
+    public function getTemplate(Notification $notification, array $options = []): string
+    {
+        return '@ChillTask/SingleTask/showInNotification.html.twig';
+    }
+
+    public function getTemplateData(Notification $notification, array $options = []): array
+    {
+        return [
+            'notification' => $notification,
+            'task' => $this->repository->find($notification->getRelatedEntityId()),
+        ];
+    }
+
+    public function supports(Notification $notification, array $options = []): bool
+    {
+        return SingleTask::class === $notification->getRelatedEntityClass();
+    }
+
+    public function getTitle(Notification $notification, array $options = []): TranslatableInterface
+    {
+        if (null === $task = $this->getRelatedEntity($notification)) {
+            return new TranslatableMessage('task.deleted');
+        }
+
+        return new TranslatableMessage('task.title', ['id' => $task->getId()]);
+    }
+
+    public function getAssociatedPersons(Notification $notification, array $options = []): array
+    {
+        if (null === $task = $this->getRelatedEntity($notification)) {
+            return [];
+        }
+
+        return $task->get;
+    }
+
+    public function getRelatedEntity(Notification $notification): ?AccompanyingPeriod
+    {
+        return $this->accompanyingPeriodRepository->find($notification->getRelatedEntityId());
+    }
+}

src/Bundle/ChillTaskBundle/Resources/views/SingleTask/showInNotification.html.twig

@@ -0,0 +1,17 @@
+{% macro recordAction(task) %}
+    <li>
+        <a href="{{ path('chill_person_accompanying_course_index', { 'task_id': task }) }}"
+           class="btn btn-show" title="{{ 'See task'|trans }}"></a>
+    </li>
+{% endmacro %}
+
+{% if task is not null %}
+    <div class="flex-table">
+        {# TODO task item #}
+        <p>Some task</p>
+    </div>
+{% else %}
+    <div class="alert alert-warning border-warning border-1">
+        {{ 'You are getting a notification for a task which does not exist any more'|trans }}
+    </div>
+{% endif %}