fix: remove assetLiked event listener on unmount to prevent memory leak

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

frontend/pages/square/hot-category-more.vue

@@ -90,7 +90,7 @@
 </template>
 
 <script setup>
-import { ref, computed, onMounted } from 'vue'
+import { ref, computed, onMounted, onUnmounted } from 'vue'
 import { onLoad } from '@dcloudio/uni-app'
 import { getHotInspirationFlowMoreApi } from '@/utils/api.js'
 
@@ -231,6 +231,10 @@ onMounted(() => {
     }
   })
 })
+
+onUnmounted(() => {
+  uni.$off('assetLiked')
+})
 </script>
 
 <style scoped>