fix(settings): add stop modifier to delete button click

Prevent click event from bubbling to row toggle handler

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/components/settings/LLMTableRow.vue

@@ -72,8 +72,8 @@ function onProviderChange() {
       <div class="cell cell-status" :style="{ color: statusConfig.color }">
         {{ statusConfig.icon }} {{ statusConfig.label }}
       </div>
-      <div class="cell cell-actions" @click.stop>
-        <button class="icon-btn danger" @click="emit('delete')" title="删除">
+      <div class="cell cell-actions">
+        <button class="icon-btn danger" @click.stop="emit('delete')" title="删除">
           <Trash2 :size="12" />
         </button>
       </div>