feat : add TaskCalendarProcessor for CalDAV sync after DB operations

Handles Patch (persist + sync + recurrence check) and Delete (remove + cleanup Zimbra events).
Updates TaskNumberProcessor to sync newly created tasks to calendar.
Wires TaskCalendarProcessor as processor for Patch/Delete on Task entity.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/State/TaskNumberProcessor.php

@@ -9,6 +9,7 @@ use ApiPlatform\Metadata\Post;
 use ApiPlatform\State\ProcessorInterface;
 use App\Entity\Task;
 use App\Repository\TaskRepository;
+use App\Service\CalDavService;
 use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Component\DependencyInjection\Attribute\Autowire;
 
@@ -25,6 +26,7 @@ final readonly class TaskNumberProcessor implements ProcessorInterface
         private ProcessorInterface $persistProcessor,
         private TaskRepository $taskRepository,
         private EntityManagerInterface $entityManager,
+        private CalDavService $calDavService,
     ) {}
 
     /**
@@ -33,12 +35,17 @@ final readonly class TaskNumberProcessor implements ProcessorInterface
     public function process(mixed $data, Operation $operation, array $uriVariables = [], array $context = []): mixed
     {
         if ($operation instanceof Post && null !== $data->getProject()) {
-            return $this->entityManager->wrapInTransaction(function () use ($data, $operation, $uriVariables, $context) {
+            $result = $this->entityManager->wrapInTransaction(function () use ($data, $operation, $uriVariables, $context) {
                 $maxNumber = $this->taskRepository->findMaxNumberByProjectForUpdate($data->getProject());
                 $data->setNumber($maxNumber + 1);
 
                 return $this->persistProcessor->process($data, $operation, $uriVariables, $context);
             });
+
+            $this->calDavService->syncTask($data);
+            $this->entityManager->flush();
+
+            return $result;
         }
 
         return $this->persistProcessor->process($data, $operation, $uriVariables, $context);