Link the Built-with tools and add a copyright line in the site footer (#6)

Author: wuisabel-gif

index.html

@@ -284,6 +284,7 @@
 .foot .signoff{max-width:42ch}
 .foot .signoff p{color:var(--ink-soft);font-size:1rem;margin-top:.6rem}
 .foot .meta{margin-top:1.5rem;font-family:var(--mono);font-size:.74rem;color:var(--muted)}
+.foot .builtwith{margin-top:1.2rem;font-family:var(--mono);font-size:.78rem;color:var(--ink-soft)}
 
 /* ============================== reveal ============================== */
 /* Resting state is VISIBLE. The .in class plays an entrance animation, so content
@@ -778,7 +779,8 @@ <h2>Questions.</h2>
     <div class="signoff">
       <a class="mark" href="#top"><svg class="brandmark" viewBox="0 0 200 200" fill="none" aria-hidden="true"><rect x="21" y="51" width="22" height="107" rx="11" fill="#2348a1"/><rect x="55" y="96" width="22" height="62" rx="11" fill="#2348a1"/><rect x="89" y="38" width="22" height="120" rx="11" fill="#2348a1"/><rect x="123" y="68" width="22" height="90" rx="11" fill="#db332c"/><rect x="157" y="108" width="22" height="50" rx="11" fill="#2348a1"/></svg>Cadence</a>
       <p>A detector for the AI fingerprint, and a voice to write toward instead. Diagnose first, then fix, then verify the result.</p>
-      <div class="meta">v0.2 · plain Node · no dependencies · built by <a href="https://github.com/wuisabel-gif">Isabel Wu</a></div>
+      <div class="builtwith">Built with Cadence: <a href="https://github.com/wuisabel-gif/linkedin-message-drafter">linkedin-message-drafter</a>, <a href="https://github.com/wuisabel-gif/readme-auto-update">readme-auto-update</a>, <a href="https://github.com/wuisabel-gif/elegance">elegance</a>.</div>
+      <div class="meta">v0.2 · plain Node · no dependencies · © 2026 <a href="https://github.com/wuisabel-gif">Isabel Wu</a> · MIT</div>
     </div>
     <pre class="tree">cadence/
 ├── .claude-plugin/