fix: swap date and source URL positions in article cards

frontend/src/pages/SynthesisDetail.tsx

@@ -60,12 +60,6 @@ const NewsItemCard: Component<{ item: NewsItemType; displayLevel: number }> = (p
         </a>
       </h3>
       <div class="flex items-center justify-between mb-1">
-        <Show when={props.item.date}>
-          <span class="text-xs text-gray-400">{props.item.date}</span>
-        </Show>
-        <Show when={!props.item.date}>
-          <span />
-        </Show>
         <a
           href={props.item.url}
           target="_blank"
@@ -77,6 +71,9 @@ const NewsItemCard: Component<{ item: NewsItemType; displayLevel: number }> = (p
             ? props.item.url.replace(/^https?:\/\//, '').slice(0, 37) + '...'
             : props.item.url.replace(/^https?:\/\//, '')}
         </a>
+        <Show when={props.item.date}>
+          <span class="text-xs text-gray-400">{props.item.date}</span>
+        </Show>
       </div>
       <Show when={effectiveLevel() > 1 && props.item.summary}>
         <p class="text-gray-700 leading-relaxed text-sm">