fix: close mobile week reschedule while saving

Closes #1398

frontend/today-week-reschedule.js

@@ -337,10 +337,9 @@ function mountTodayWeekReschedule({
   dialog.addEventListener('cancel',event=>{event.preventDefault();close();});
   confirm.addEventListener('click',async()=>{
     if(!selectedDate)return;
-    confirm.disabled=true;status.textContent='Moving Today into Week Ahead…';
+    confirm.disabled=true;status.textContent='Moving Today into Week Ahead…';dialog.close();
     try{
       const result=await controller.confirm(selectedDate,Number(estimate.value),{allowOverload});
-      dialog.close();
       if(result.sync_pending){
         announce('Moved locally. Saved on this device · sync pending.');warm();
       }else{
@@ -348,6 +347,7 @@ function mountTodayWeekReschedule({
       }
       await continueToday();
     }catch(error){
+      if(!dialog.open)dialog.showModal();
       const overload=error.message.includes('Confirm overload');allowOverload=overload;
       status.textContent=error.message;
       confirm.textContent=overload?'Confirm overload & continue':'Move to Week Ahead & continue';