Use top-level manager tabs only

app/pages/messages.vue

@@ -37,14 +37,6 @@ function channelLabel(channel: TemplateChannel['channel']) {
       </p>
     </div>
 
-    <div class="surface-card rounded-3xl p-2">
-      <div class="flex flex-wrap gap-2">
-        <span class="rounded-full bg-[#123824] px-4 py-2 text-sm font-semibold text-white">
-          Сообщения
-        </span>
-      </div>
-    </div>
-
     <div v-if="templatesQuery.loading.value" class="manager-empty-state">
       Загружаем шаблоны...
     </div>