feat: add evidence-led Reveal presentation and homepage invitation

src/pages/index.tsx

@@ -30,6 +30,13 @@ export default function Home(): React.ReactElement {
         </div>
         <aside className="scope-note"><span className="scope-symbol" aria-hidden="true">✦</span><div><strong>Shaping the direction.</strong><p>This space is dedicated to AI strategy and direction for Eldorado. Specific initiatives, priorities, and the roadmap remain to be defined.</p></div></aside>
       </section>
+      <section className="start-section container" aria-labelledby="presentation-title">
+        <p className="eyebrow">THE AI ARCHITECT’S FIRST SIX MONTHS</p>
+        <h2 id="presentation-title">Less Prompting, More Shipping</h2>
+        <p>A practical conversation about improving accepted engineering work: one willing team, a bounded experiment, honest measurement and an evidence-led next step.</p>
+        <p>35-minute presentation · 15-minute discussion · proposed strategy, not company results.</p>
+        <a className="button button--primary" href="./presentations/less-prompting-more-shipping/">Open presentation <span aria-hidden="true">↗</span></a>
+      </section>
     </main>
   </Layout>;
 }