Join page: ?name=First greets the visitor; on /join/company it says the top spot is reserved for them

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

public/join.html

@@ -81,6 +81,7 @@
   <section class="jn-hero">
     <div class="jn-spon" id="jnSpon" hidden><img id="jnSponImg" alt="" hidden><span class="small muted">Personal invitation from <b id="jnSponName" style="color:var(--mint)"></b></span></div>
     <p class="jn-brand">Instant<em>AdPay</em> <span id="jnEyebrow">· Advertise and earn on Polygon</span></p>
+    <p class="jn-hello" id="jnHello" hidden style="margin:8px 0 12px;padding:10px 14px;border:1px solid var(--mint);border-radius:12px;color:var(--mint);font-weight:700"></p>
     <h1 id="jnHead">Advertise and earn.<br><em>Paid on-chain, instantly.</em></h1>
     <p class="lead" id="jnLead">Every ad package splits to real wallets in the same transaction it sells. No pending payouts, no withdraw button, and every payment is public.</p>
   </section>
@@ -156,6 +157,6 @@
   </div>
 </div>
 <script src="/assets/common.js?v=20260912b"></script>
-<script src="/assets/join.js?v=20260912a"></script>
+<script src="/assets/join.js?v=20260912d"></script>
 </body>
 </html>