Fix dependencies and update TaskHeader

webview-ui/src/components/chat/TaskHeader.tsx

@@ -159,7 +159,7 @@ const TaskHeader: React.FC<TaskHeaderProps> = ({
 								minWidth: 0, // This allows the div to shrink below its content size
 							}}>
 							<span style={{ fontWeight: "bold" }}>
-								Task ({currentTaskItem?.number === 0 ? "Main" : currentTaskItem.number})
+								Task ({currentTaskItem?.number === 0 ? "Main" : currentTaskItem?.number})
 								{!isTaskExpanded && ":"}
 							</span>
 							{!isTaskExpanded && (