wallet-notice: MutationObserver so it lands on async-injected connect buttons

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

public/wallet-notice.js

@@ -7,10 +7,9 @@
   fetch('/api/public/config').then(function (r) { return r.json(); }).then(function (c) {
     var msg = (c && c.walletNotice || '').trim();
     if (!msg) return;
+    function attach() {
       var btns = [].slice.call(document.querySelectorAll('button, a.btn'));
-    var targets = btns.filter(function (b) { return /connect|unlock/i.test(b.textContent || ''); });
+      btns.filter(function (b) { return /connect|unlock/i.test(b.textContent || ''); }).forEach(function (btn) {
-    if (!targets.length) return;
-    targets.forEach(function (btn) {
         if (btn.dataset.wnDone) return; btn.dataset.wnDone = '1';
         var n = document.createElement('div');
         n.className = 'callout';
@@ -18,5 +17,16 @@
         n.innerHTML = 'ℹ️ ' + msg; // admin-authored, same trust level as other config-injected copy
         btn.parentNode.insertBefore(n, btn);
       });
+    }
+    attach();
+    // Connect/unlock buttons on /my and /training are injected AFTER async
+    // data loads — watch the DOM so the notice still lands on them.
+    if (window.MutationObserver) {
+      var mo = new MutationObserver(function () { attach(); });
+      mo.observe(document.body, { childList: true, subtree: true });
+      setTimeout(function () { mo.disconnect(); }, 12000);
+    } else {
+      var t = 0, iv = setInterval(function () { attach(); if (++t > 12) clearInterval(iv); }, 800);
+    }
   }).catch(function () {});
 })();