Agent CTA points at docs.keysat.xyz/agent.html

The agent integration guide is now a first-class page on the docs
site rather than a raw markdown link on GitHub. Cleaner UX (docs
chrome + sidebar nav + on-this-page toc), no more punting visitors
out to GitHub's markdown renderer.

index.html

@@ -705,7 +705,7 @@ footer.site .bottom a { color:rgba(245,241,232,0.6); }
         <div class="body">
           <div class="eyebrow-tag">Powerlifting coach</div>
           <h3 class="name">Tomas Kovac</h3>
-          <p class="role">12 years in the gym. Built RPE-based programming software because off-the-shelf apps assume gym-membership-app generic.</p>
+          <p class="role">10 years as a fitness coach. Built RPE-based programming software because off-the-shelf apps were gym-membership specific and lacking in functionality.</p>
           <div class="product-block">
             <svg class="product-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><line x1="6" y1="6" x2="6" y2="18"/><line x1="18" y1="6" x2="18" y2="18"/><line x1="6" y1="12" x2="18" y2="12"/><circle cx="6" cy="9" r="1.5"/><circle cx="6" cy="15" r="1.5"/><circle cx="18" cy="9" r="1.5"/><circle cx="18" cy="15" r="1.5"/></svg>
             <div>
@@ -854,7 +854,7 @@ fmt.<span class="f">Printf</span>(<span class="s">"licensed for %s, expires %s\n
       </div>
     </div>
     <div style="margin-top:32px; text-align:center">
-      <a class="btn ghost" href="https://github.com/keysat-xyz/keysat/blob/main/KEYSAT_AGENT_GUIDE.md">Agent integration guide &rarr;</a>
+      <a class="btn ghost" href="https://docs.keysat.xyz/agent.html">Agent integration guide &rarr;</a>
     </div>
   </div>
 </section>