fix: hide button

src/components/GenerateCourse/AICourseContent.tsx

@@ -245,6 +245,7 @@ export function AICourseContent(props: AICourseContentProps) {
               />
             </div>
 
+            {viewMode === 'module' && (
               <button
                 onClick={() => setIsAIChatsOpen(!isAIChatsOpen)}
                 className="flex items-center justify-center text-gray-400 shadow-sm transition-colors hover:bg-gray-50 hover:text-gray-900 lg:hidden"
@@ -255,6 +256,7 @@ export function AICourseContent(props: AICourseContentProps) {
                   <MessageCircleIcon size={17} strokeWidth={3} />
                 )}
               </button>
+            )}
 
             <button
               onClick={() => setSidebarOpen(!sidebarOpen)}