fix: homepage nav labels consistent with all inner pages

Author: claude

index.html

@@ -120,14 +120,14 @@
       <span class="home-wordmark">Knowledge Intelligence</span>
     </a>
     <div class="nav-links">
-      <a href="/assets.html">Assets</a>
-      <a href="/challenge.html">Challenges</a>
-      <a href="/whynow.html">Purpose</a>
-      <a href="/capability.html">Capabilities</a>
-      <a href="/framework.html">Framework</a>
-      <a href="/decisions.html">Decisions</a>
-      <a href="/measurement.html">Measurement</a>
-      <a href="/barriers.html">Barriers</a>
+      <a href="/assets.html">The Assets</a>
+      <a href="/challenge.html">The Challenge</a>
+      <a href="/whynow.html">Why Now</a>
+      <a href="/capability.html">The Capability</a>
+      <a href="/framework.html">The Framework</a>
+      <a href="/decisions.html">The Decisions</a>
+      <a href="/measurement.html">The Measurement</a>
+      <a href="/barriers.html">The Barriers</a>
     </div>
   </nav>
   <main id="main-content">