Member ads everywhere they belong: text strip under every pane title, banner at the foot of each main pane, wall + plays slots; Network views as its own campaign column

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

public/join.html

@@ -6,7 +6,7 @@
 <title>You're invited | InstantAdPay</title>
 <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&display=swap">
 <link rel="icon" type="image/png" href="/logo-icon.png">
-<link rel="stylesheet" href="/assets/site.css?v=20260910f">
+<link rel="stylesheet" href="/assets/site.css?v=20260910g">
 <style>
   .jn-nav{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 0}
   .jn-hero{padding:14px 0 4px;text-align:left}
@@ -127,7 +127,7 @@
     InstantAdPay · <a href="/contract">Contract</a> · <a href="/terms">Terms</a> · <a href="/privacy">Privacy</a> · <a href="/disclaimer">Disclaimer</a>
   </div>
 </div>
-<script src="/assets/common.js?v=20260910b"></script>
+<script src="/assets/common.js?v=20260910c"></script>
 <script src="/assets/join.js?v=20260910a"></script>
 </body>
 </html>