feat: replace nuxt icons with unocss icons

app/components/Message/Agent/index.vue

@@ -23,7 +23,7 @@ defineProps<{
 
         <span class="flex items-center gap-1"
             v-if="message.generation?.status === 'pending' && (message.parts || []).length === 0">
-            <Icon name="svg-spinners:pulse-2" class="text-4" />
+            <span class="i-svg-spinners-pulse-2 text-4"></span>
             <span class="text-sm text-[var(--text-secondary)]">
                 Preparing generating...
             </span>
@@ -42,7 +42,7 @@ defineProps<{
 
             <div class="flex gap-2">
                 <span class="flex gap-1 items-center" v-if="message.generation.tokens?.output">
-                    <Icon name="tabler:coins" />
+                    <span class="i-tabler-coins"></span>
                     {{ message.generation?.tokens?.output }}
                 </span>