fix(highlights): make go-to-quote use highlight selection

- Prefer onHighlightClick for quote button, quote text, and menu item
- Fall back to navigation when no highlight-click handler is provided
- Ensures reliable scroll-to-quote behavior in the reader

src/components/HighlightItem.tsx

@@ -501,8 +501,13 @@ export const HighlightItem: React.FC<HighlightItemProps> = ({
   const handleMenuGoToQuote = (e: React.MouseEvent) => {
     e.stopPropagation()
     setShowMenu(false)
+
+    if (onHighlightClick) {
+      onHighlightClick(highlight.id)
+    } else {
       navigateToArticle()
     }
+  }
   
   return (
     <>
@@ -557,7 +562,12 @@ export const HighlightItem: React.FC<HighlightItemProps> = ({
         onClick={(e) => {
           e.stopPropagation()
           e.preventDefault()
+
+          if (onHighlightClick) {
+            onHighlightClick(highlight.id)
+          } else {
             navigateToArticle()
+          }
         }}
       />
       
@@ -568,7 +578,12 @@ export const HighlightItem: React.FC<HighlightItemProps> = ({
           className="highlight-text"
           onClick={(e) => {
             e.stopPropagation()
+
+            if (onHighlightClick) {
+              onHighlightClick(highlight.id)
+            } else {
               navigateToArticle()
+            }
           }}
           style={{ cursor: 'pointer' }}
           title="Go to quote in article"