diff --git a/presentation/deck/deck.css b/presentation/deck/deck.css
index 32f25b21..6d2fed3d 100644
--- a/presentation/deck/deck.css
+++ b/presentation/deck/deck.css
@@ -107,7 +107,7 @@
 .arit .brain-ai { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px;
   border-radius: 9999px; background: #fff; border: 1.5px solid var(--bordeaux); }
 .arit .brain-ai svg { width: 24px; height: 24px; color: var(--bordeaux); }
-.arit.problem .stage .brain-ai { margin-top: 3px; }
+.arit.problem .stage span.brain-ai { display: inline-flex; margin: 3px auto 0; }
 .arit.problem .midrow { display: flex; gap: 28px; margin-top: 8px; align-items: flex-start; }
 .arit.problem .concepts { flex: 1; min-width: 0; }
 .arit .concepts .lbl, .arit .rail .lbl { display: block; font: 700 10px/1 var(--mono); letter-spacing: .14em;
diff --git a/presentation/deck/index.html b/presentation/deck/index.html
index 5a687baf..da7d92b9 100644
--- a/presentation/deck/index.html
+++ b/presentation/deck/index.html
@@ -170,9 +170,9 @@
       </div>
     </div>
     <div class="pipeline" id="pipeline">
-      <div class="stage"><b>Sources</b><span>Cardioref · Genetic data<br>Omics Portal · ECG</span></div>
+      <div class="stage"><b>Sources</b><span>Cardioref · Genetic data<br>Omics Portal · ECG</span><span class="brain-ai"><svg viewBox="0 0 32 32" fill="none" stroke="currentColor" stroke-width="2.4" stroke-linecap="round" stroke-linejoin="round"><path d="M16 4 C11 2 5.5 4 6 8.5 C2.5 10 2 14.5 4.5 17 C2.5 20 4 24.5 8 25 C9 28 14 29.5 16 27"/><path d="M16 4 C21 2 26.5 4 26 8.5 C29.5 10 30 14.5 27.5 17 C29.5 20 28 24.5 24 25 C23 28 18 29.5 16 27"/><path d="M16 4.5 V26.5"/><path d="M16 10 h4.5"/><circle cx="23" cy="10" r="1.7" fill="currentColor" stroke="none"/><path d="M16 15.5 h-4.5"/><circle cx="8.5" cy="15.5" r="1.7" fill="currentColor" stroke="none"/><path d="M16 21 h4.5"/><circle cx="23" cy="21" r="1.7" fill="currentColor" stroke="none"/></svg></span></div>
       <div class="arrow">→</div>
-      <div class="stage"><b>Staging</b><span>raw replica</span></div>
+      <div class="stage"><b>Staging</b><span>raw replica</span><span class="brain-ai"><svg viewBox="0 0 32 32" fill="none" stroke="currentColor" stroke-width="2.4" stroke-linecap="round" stroke-linejoin="round"><path d="M16 4 C11 2 5.5 4 6 8.5 C2.5 10 2 14.5 4.5 17 C2.5 20 4 24.5 8 25 C9 28 14 29.5 16 27"/><path d="M16 4 C21 2 26.5 4 26 8.5 C29.5 10 30 14.5 27.5 17 C29.5 20 28 24.5 24 25 C23 28 18 29.5 16 27"/><path d="M16 4.5 V26.5"/><path d="M16 10 h4.5"/><circle cx="23" cy="10" r="1.7" fill="currentColor" stroke="none"/><path d="M16 15.5 h-4.5"/><circle cx="8.5" cy="15.5" r="1.7" fill="currentColor" stroke="none"/><path d="M16 21 h4.5"/><circle cx="23" cy="21" r="1.7" fill="currentColor" stroke="none"/></svg></span></div>
       <div class="arrow">→</div>
       <div class="stage ai"><b>Integration</b><span>3NF · text mining</span><span class="brain-ai"><svg viewBox="0 0 32 32" fill="none" stroke="currentColor" stroke-width="2.4" stroke-linecap="round" stroke-linejoin="round"><path d="M16 4 C11 2 5.5 4 6 8.5 C2.5 10 2 14.5 4.5 17 C2.5 20 4 24.5 8 25 C9 28 14 29.5 16 27"/><path d="M16 4 C21 2 26.5 4 26 8.5 C29.5 10 30 14.5 27.5 17 C29.5 20 28 24.5 24 25 C23 28 18 29.5 16 27"/><path d="M16 4.5 V26.5"/><path d="M16 10 h4.5"/><circle cx="23" cy="10" r="1.7" fill="currentColor" stroke="none"/><path d="M16 15.5 h-4.5"/><circle cx="8.5" cy="15.5" r="1.7" fill="currentColor" stroke="none"/><path d="M16 21 h4.5"/><circle cx="23" cy="21" r="1.7" fill="currentColor" stroke="none"/></svg></span></div>
       <div class="arrow">→</div>