fix: remove unused isRefreshing parameter from PullToRefreshIndicator

- Keep prop in interface for backward compatibility
- Don't destructure unused parameter to satisfy linter
- All lint checks and type checks now pass

src/components/PullToRefreshIndicator.tsx

@@ -14,7 +14,6 @@ const PullToRefreshIndicator: React.FC<PullToRefreshIndicatorProps> = ({
   isPulling,
   pullDistance,
   canRefresh,
-  isRefreshing,
   threshold = 80
 }) => {
   // Only show when actively pulling, not when refreshing