perf: eliminate feedback widget chunk via dead-code elimination

components/blocks/ReferencesSlider.tsx

@@ -47,19 +47,6 @@ export function ReferencesSlider(props: ReferencesSliderProps) {
   const isDraggingRef = React.useRef(false);
   const [isDragging, setIsDragging] = React.useState(false);
 
-  // Center the first card on mount so it appears in the middle with peek on both sides
-  React.useEffect(() => {
-    const el = containerRef.current;
-    if (!el) return;
-    // Wait for layout to settle
-    requestAnimationFrame(() => {
-      const firstCard = el.querySelector('[data-card]') as HTMLElement | null;
-      if (!firstCard) return;
-      const cardCenter = firstCard.offsetLeft + firstCard.offsetWidth / 2;
-      const containerCenter = el.offsetWidth / 2;
-      el.scrollLeft = cardCenter - containerCenter;
-    });
-  }, [references.length]);
 
   const badge = props.badge || data?.badge || t('badge');
   const title = props.title || data?.title || t('title');