feat: add cancel button to revert in_progress task back to pending

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/pages/HousekeepingPage.tsx

@@ -1238,6 +1238,13 @@ function TaskCard({ task, onStatusChange, onReport, slug }: {
         )}
         {task.status === 'in_progress' && !completingOpen && !reportOpen && (
           <>
+            <button
+              onClick={() => onStatusChange(task.id, 'pending')}
+              className="text-xs py-1.5 px-2.5 rounded-lg font-medium transition-colors flex items-center gap-1 shrink-0 bg-slate-100 dark:bg-slate-700 text-slate-400 dark:text-slate-500 hover:bg-slate-200 dark:hover:bg-slate-600"
+              title="Отменить — вернуть в ожидание"
+            >
+              <XIcon size={11} />
+            </button>
             <button
               onClick={() => setReportOpen(true)}
               className={cn(