feat(samples): update document flow layout with canonical dataset references

samples/document-flow.html

@@ -379,6 +379,11 @@
       <a href="companion.html" class="nav-link">Sample 3</a>
       <a href="document-flow.html" class="nav-link active">Sample 4</a>
       <a href="portfolio.html" class="nav-link">Sample 5</a>
+      <a href="homelab.html" class="nav-link">Sample 6</a>
+      <a href="public-services.html" class="nav-link">Sample 7</a>
+      <a href="sample-dashboard.html" class="nav-link">Sample 8</a>
+      <a href="sample-command-center.html" class="nav-link">Sample 9</a>
+      <a href="sample-dual-pane-explorer.html" class="nav-link">Sample 10</a>
     </nav>
   </header>
 
@@ -407,9 +412,9 @@
         
         <!-- Document Header -->
         <header class="document-header">
-          <h1 class="doc-title">Engineering Architecture & Portfolio</h1>
+          <h1 class="doc-title">River Rooks // Systems &amp; Architecture</h1>
           <p class="doc-subtitle">
-            A high-density technical reading flow. Pinned left pane contains an automated terminal tracker daemon observing scroll depth across sections.
+            A high-density technical reading flow. Pinned left pane contains an automated terminal tracker daemon observing scroll depth across system modules.
           </p>
         </header>
 
@@ -536,7 +541,7 @@ end</code></pre>
 
         <footer class="pane-footer">
           <span>Sample 4: Document Flow Layout</span>
-          <span>© 2026 Developer System</span>
+          <span>© 2026 River Rooks</span>
         </footer>
 
       </div>