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client/src/pages/TutorialTasks.tsx

@@ -568,15 +568,29 @@ const TutorialTasks: React.FC = () => {
   const [addingTask, setAddingTask] = useState<boolean>(false);
   const [addingImage, setAddingImage] = useState<boolean>(false);
   const [addingRevision, setAddingRevision] = useState<boolean>(false);
-  const [revisionAdded, setRevisionAdded] = useState<boolean>(() => {
-    const saved = localStorage.getItem(`tutorial_revision_added_week_${selectedWeek}`);
-    return saved === 'true';
-  });
+  const [revisionAdded, setRevisionAdded] = useState<boolean>(false);
   
-  // Update revisionAdded state when week changes
+  // Initialize and update revisionAdded state from localStorage (Safari-compatible)
+  // Use useEffect instead of useState initializer for better Safari compatibility
   React.useEffect(() => {
-    const saved = localStorage.getItem(`tutorial_revision_added_week_${selectedWeek}`);
-    setRevisionAdded(saved === 'true');
+    const checkRevisionState = () => {
+      try {
+        const saved = localStorage.getItem(`tutorial_revision_added_week_${selectedWeek}`);
+        const isAdded = saved === 'true';
+        setRevisionAdded(isAdded);
+      } catch (e) {
+        // Safari might block localStorage in some contexts, fallback to false
+        setRevisionAdded(false);
+      }
+    };
+    
+    // Check immediately
+    checkRevisionState();
+    
+    // Also check after a short delay for Safari (in case localStorage isn't ready immediately)
+    const timeoutId = setTimeout(checkRevisionState, 100);
+    
+    return () => clearTimeout(timeoutId);
   }, [selectedWeek]);
   const [editForm, setEditForm] = useState<{
     content: string;
@@ -1423,12 +1437,22 @@ const TutorialTasks: React.FC = () => {
   const addRevision = () => {
     setRevisionAdded(true);
     setAddingRevision(false);
-    localStorage.setItem(`tutorial_revision_added_week_${selectedWeek}`, 'true');
+    try {
+      localStorage.setItem(`tutorial_revision_added_week_${selectedWeek}`, 'true');
+    } catch (e) {
+      // Safari might block localStorage, but state is already updated
+      console.warn('Failed to save revision state to localStorage:', e);
+    }
   };
 
   const removeRevision = () => {
     setRevisionAdded(false);
-    localStorage.removeItem(`tutorial_revision_added_week_${selectedWeek}`);
+    try {
+      localStorage.removeItem(`tutorial_revision_added_week_${selectedWeek}`);
+    } catch (e) {
+      // Safari might block localStorage, but state is already updated
+      console.warn('Failed to remove revision state from localStorage:', e);
+    }
   };