feat(ui): add 12 and 16 thread options to batch runner dropdown

ui/ai-lab.js

@@ -165,6 +165,8 @@ const AiLab = (() => {
                         <option value="2">2</option>
                         <option value="4" selected>4</option>
                         <option value="8">8</option>
+                                            <option value="12">12</option>
+                    <option value="16">16</option>
                     </select>
                 </div>
                 <div class="lab-control-group">