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client/src/pages/TutorialTasks.tsx

@@ -1139,7 +1139,6 @@ const TutorialTasks: React.FC = () => {
                     const nextHidden = !(curJson?.week?.hidden);
                     await fetch(`${base}/api/admin/weeks/tutorial/${selectedWeek}/visibility`,{ method:'PUT', headers:{ 'Content-Type':'application/json', 'Authorization': localStorage.getItem('token')?`Bearer ${localStorage.getItem('token')}`:'', 'user-role':'admin' }, body: JSON.stringify({ hidden: nextHidden }) });
                     await fetchTutorialTasks(true);
-                    alert(nextHidden ? 'Week hidden from students.' : 'Week shown to students.');
                   } catch (e) { console.error(e);} 
                 }}
                 className="inline-flex items-center px-3 py-1.5 text-xs rounded-md border border-ui-border bg-white/70"

client/src/pages/WeeklyPractice.tsx

@@ -1470,7 +1470,6 @@ const WeeklyPractice: React.FC = () => {
                     const nextHidden = !(curJson?.week?.hidden);
                     await fetch(`${base}/api/admin/weeks/weekly-practice/${selectedWeek}/visibility`,{ method:'PUT', headers:{ 'Content-Type':'application/json', 'Authorization': localStorage.getItem('token')?`Bearer ${localStorage.getItem('token')}`:'', 'user-role':'admin' }, body: JSON.stringify({ hidden: nextHidden }) });
                     await fetchWeeklyPractice(true);
-                    alert(nextHidden ? 'Week hidden from students.' : 'Week shown to students.');
                   } catch (e) { console.error(e);} 
                 }}
                 className="inline-flex items-center px-3 py-1.5 text-xs rounded-md border border-ui-border bg-white/70"