diff --git a/diagnose.py b/diagnose.py
index 7b34d68..79c7d9c 100644
--- a/diagnose.py
+++ b/diagnose.py
@@ -108,7 +108,8 @@ class DiagnosticsRunner:
 
         pulse_url = None
         if execution_id:
-            pulse_url = f'http://pulse.lotusguild.org/executions/{execution_id}'
+            base = getattr(self.pulse, 'url', '').rstrip('/')
+            pulse_url = f'{base}/executions/{execution_id}' if base else None
 
         return {
             'status': 'done',
diff --git a/templates/index.html b/templates/index.html
index 9a7b35a..93cb6e2 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -214,7 +214,7 @@
             <td>{{ e.event_type | replace('_', ' ') }}</td>
             <td><strong>{{ e.target_name }}</strong></td>
             <td>{{ e.target_detail or '–' }}</td>
-            <td class="desc-cell" title="{{ e.description }}">{{ e.description | truncate(60) }}</td>
+            <td class="desc-cell" title="{{ e.description | e }}">{{ e.description | truncate(60) }}</td>
             <td class="ts-cell">{{ e.first_seen }}</td>
             <td>{{ e.consecutive_failures }}</td>
             <td>
diff --git a/templates/suppressions.html b/templates/suppressions.html
index 4449e58..c4ca7c6 100644
--- a/templates/suppressions.html
+++ b/templates/suppressions.html
@@ -180,10 +180,10 @@
     document.getElementById('s-name').required = (t!=='all');
   }
 
-  function setDur(mins) {
+  function setDur(mins, el) {
     document.getElementById('s-expires').value = mins || '';
     document.querySelectorAll('.duration-pills .pill').forEach(p => p.classList.remove('active'));
-    event.target.classList.add('active');
+    if (el) el.classList.add('active');
     const hint = document.getElementById('s-dur-hint');
     if (mins) {
       const h = Math.floor(mins/60), m = mins%60;
@@ -224,6 +224,8 @@
     if (data.success) {
       document.getElementById(`sup-row-${id}`)?.remove();
       showToast('Suppression removed', 'success');
+    } else {
+      showToast(data.error || 'Failed to remove suppression', 'error');
     }
   }
 </script>