Ledger/earnings rows show when; Earn credits: never your own ads; burner sets Polygon fees + rotates RPCs on node errors

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

public/assets/common.js

@@ -100,7 +100,8 @@ window.IAP = (function () {
   function feedRow(ev, c) {
     const div = document.createElement('div');
     div.className = 'row t-' + ev.type;
-    div.innerHTML = '<span>' + describeEvent(ev, c) + '</span>'
+    const when = ev.ts ? new Date(ev.ts).toLocaleString(undefined, { month: 'short', day: 'numeric', hour: 'numeric', minute: '2-digit' }) : '';
+    div.innerHTML = (when ? '<span class="when" title="' + new Date(ev.ts).toLocaleString() + '">' + when + '</span>' : '') + '<span>' + describeEvent(ev, c) + '</span>'
       + (c.explorer
         ? '<span class="tx"><a target="_blank" rel="noopener" href="' + c.explorer + '/tx/' + ev.tx + '">verify ↗</a></span>'
         : '<span class="tx"><a href="/tx/' + ev.tx + '">verify ↗</a></span>'); // built-in viewer when the chain has no public explorer

public/assets/site.css

@@ -196,6 +196,7 @@ tr:last-child td{border-bottom:0}
 .feed{font-family:var(--mono);font-size:13.5px;line-height:1.7}
 .feed .row{padding:9px 14px;border-bottom:1px solid var(--line);display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}
 .feed .row:first-child{background:var(--mint-soft)}
+.feed .row .when{font-family:var(--mono);font-size:11px;color:var(--muted);white-space:nowrap;min-width:92px}
 .feed .t-Purchase,.feed .t-AwardPaid{color:var(--mint-hi)}
 .feed .t-TierPaid{color:var(--mint)}
 .feed .t-AdminPaid{color:var(--muted)}