update collapse button, add to bottom of ai insight

components/shared/PageAiInsight.tsx

@@ -239,6 +239,7 @@ export const PageAiInsight: React.FC<PageAiInsightProps> = ({
   const lastCacheKeyRef = useRef<string | null>(null);
   const desiredKeyRef = useRef<string>('');
   const requestIdRef = useRef(0);
+  const cardRef = useRef<HTMLDivElement>(null);
   const generateRef = useRef<(force?: boolean) => Promise<void>>(async () => {});
 
   const chartHighlight = React.useMemo(() => {
@@ -674,7 +675,10 @@ export const PageAiInsight: React.FC<PageAiInsightProps> = ({
   }, [scopeKey]);
 
   return (
-    <div className="rounded-xl border border-gray-100 bg-white shadow-sm overflow-hidden mb-6 transition-all">
+    <div
+      ref={cardRef}
+      className="rounded-xl border border-gray-100 bg-white shadow-sm overflow-hidden mb-6 transition-all"
+    >
       <div className="flex items-center justify-between px-5 py-3.5 border-b border-gray-100 bg-gray-50/80">
         <div
           className="flex items-center gap-2.5 min-w-0 cursor-pointer select-none group"
@@ -1103,6 +1107,21 @@ export const PageAiInsight: React.FC<PageAiInsightProps> = ({
               </div>
             </div>
           )}
+
+          <div className="mt-5 pt-3 border-t border-gray-100 flex justify-center">
+            <button
+              type="button"
+              onClick={() => {
+                setIsCollapsed(true);
+                cardRef.current?.scrollIntoView({ behavior: 'smooth', block: 'start' });
+              }}
+              className="group flex items-center justify-center w-10 h-7 rounded-full bg-gray-50 hover:bg-red-50 text-gray-400 hover:text-red-600 border border-gray-200 hover:border-red-200 shadow-xs transition-all duration-200"
+              title="Tutup AI Insight"
+              aria-label="Tutup AI Insight"
+            >
+              <i className="fa-solid fa-chevron-up text-xs transition-transform group-hover:-translate-y-0.5" />
+            </button>
+          </div>
         </div>
       )}
     </div>