Upload folder using huggingface_hub

client/src/pages/TutorialTasks.tsx

@@ -1139,6 +1139,7 @@ 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

@@ -1470,6 +1470,7 @@ 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"

client/src/services/api.ts

@@ -35,10 +35,13 @@ api.interceptors.request.use(
     
     // Add user role and info to headers
     const user = localStorage.getItem('user');
+    const viewMode = (localStorage.getItem('viewMode') || 'auto');
     if (user) {
       try {
         const userData = JSON.parse(user);
-        config.headers['user-role'] = userData.role || 'visitor';
+        // Respect viewMode: when switched to student, force requests to be treated as student
+        const effectiveRole = viewMode === 'student' ? 'student' : (userData.role || 'visitor');
+        config.headers['user-role'] = effectiveRole;
         const derivedUsername = userData.username || userData.name || userData.displayName || (userData.email ? String(userData.email).split('@')[0] : undefined);
         config.headers['user-info'] = JSON.stringify({
           _id: userData._id || userData.id,