Wallet tab: Ad credits card counts earned credits too (promo credits looked like 0)

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

public/my.html

@@ -867,7 +867,7 @@
             <p id="walletBal" class="small" hidden></p></div>
           <div class="card"><h3>Ad credits</h3>
             <p class="mono" style="font-size:26px;margin:0" id="creditLine">0</p>
-            <p class="muted small">1 credit = 1 cent of ad delivery across the network. Recorded on-chain. Only your campaigns can spend them.</p></div>
+            <p class="muted small">1 credit = 1 cent of ad delivery across the network. Purchased credits are recorded on-chain; earned credits (viewing, promo codes, welcome bonus) live on your account. Only your campaigns can spend them.</p></div>
         </div>
         <div class="card" id="linkCard" hidden>
           <h3>Link your wallet</h3>
@@ -915,7 +915,7 @@
 <script src="/assets/common.js?v=20260913a"></script>
 <script src="/assets/wallet.js?v=20260911a"></script>
 <script src="/assets/promo.js?v=20260911a"></script>
-<script src="/assets/my.js?v=20260913b"></script>
+<script src="/assets/my.js?v=20260913c"></script>
 <script src="/assets/chat.js?v=20260907l"></script>
 </body>
 </html>