Wall: drop the view countdown — a click marks the ad viewed and unlocks join

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

public/assets/wall.js

@@ -64,18 +64,10 @@
       const btn = document.createElement('button');
       btn.className = 'btn small'; btn.textContent = 'View this ad';
       btn.addEventListener('click', () => {
-        window.open(m.targetUrl, '_blank'); // real visit to the advertiser
-        let left = DWELL;
-        btn.disabled = true;
-        act.innerHTML = '<span class="wc-timer">Viewing… ' + left + 's</span>';
-        const t = setInterval(() => {
-          left--;
-          if (left > 0) { act.querySelector('.wc-timer').textContent = 'Viewing… ' + left + 's'; return; }
-          clearInterval(t);
-          viewed[i] = 1;
-          try { localStorage.setItem(VKEY, JSON.stringify(viewed)); } catch (e) {}
-          done(); updateGate();
-        }, 1000);
+        window.open(m.targetUrl, '_blank'); // real visit to the advertiser (no countdown)
+        viewed[i] = 1;
+        try { localStorage.setItem(VKEY, JSON.stringify(viewed)); } catch (e) {}
+        done(); updateGate();
       });
       act.appendChild(btn);
     }