fix(project-management) : skip caldav sync when unconfigured and require task project

src/Module/ProjectManagement/Infrastructure/Service/CalDavService.php

@@ -134,6 +134,12 @@ final class CalDavService
 
     public function syncTask(Task $task): void
     {
+        // No CalDAV server configured/enabled: skip all remote interaction so a
+        // task save never triggers a doomed HTTP request nor stores a sync error.
+        if (!$this->isConfigured()) {
+            return;
+        }
+
         if (!$task->isSyncToCalendar()) {
             $this->deleteEvent($task->getCalendarEventUid());
             $this->deleteTodo($task->getCalendarTodoUid());