Add parallel trial card to dashboard

Author: hihihhi

public/index.html

@@ -43,6 +43,11 @@ <h2>Research status</h2>
         <p>View enabled universes, RD-Agent-compatible scores, and QRAE extended score vector.</p>
         <a href="/api/research/status">Open /api/research/status</a>
       </section>
+      <section class="card">
+        <h2>Parallel trial</h2>
+        <p>Review the three-instance production trial across Polymarket, crypto, and US equities.</p>
+        <a href="/api/trials/parallel-latest">Open /api/trials/parallel-latest</a>
+      </section>
       <section class="card">
         <h2>Latest digest</h2>
         <p>Read the latest research digest artifact when deterministic workers have generated one.</p>