Update timer function logs display to show first log entry

- Modify logs template to extract and display the first log entry
- Preserve existing log display formatting and empty log handling

templates/dashboard/timer_functions/logs.html

@@ -47,7 +47,8 @@ history_url=url_for('timer.history', function_id=function_id)) }}
 
             <!-- Logs -->
             <div class="bg-gray-50 rounded-lg p-3 overflow-auto max-h-40">
-                <pre class="text-sm font-mono text-gray-600 whitespace-pre-wrap">{{ invocation.logs }}</pre>
+                <pre
+                    class="text-sm font-mono text-gray-600 whitespace-pre-wrap">{{ (invocation.logs | map('first')) | join('\n') }}</pre>
                 {% if not invocation.logs %}
                 <div class="text-sm text-gray-400 italic">No logs available</div>
                 {% endif %}