refactor(home&post-card): 调整点击事件绑定位置并优化空状态样式

1. 将作者卡片的点击事件从子组件移到父容器上，简化子组件依赖
2. 给空状态提示容器添加box-border类统一样式规范
3. 为文章卡片添加点击跳转详情页的逻辑

src/components/uh-post-card/uh-post-card.vue

@@ -93,20 +93,26 @@ const textFooterClass = computed(() => {
   }
   return 'gap-x-2'
 })
+
+function handleToPostDetail() {
+  uni.navigateTo({
+    url: `/pages-blog/post-detail/post-detail?metadataName=${props.post.metadata.name}`,
+  })
+}
 </script>
 
 <template>
   <view v-if="post" class="uh-shadow-xs box-border w-full flex justify-center overflow-hidden rounded-2xl bg-white p-4" :class="wrapClass">
-    <view class="shrink-0 overflow-hidden rounded-lg" :class="coverClass">
+    <view class="shrink-0 overflow-hidden rounded-lg" :class="coverClass" @click="handleToPostDetail">
       <image :src="completeUrl(post.spec.cover)" mode="aspectFill" class="h-full w-full" />
       <view v-if="props.type === 'rightCover'" class="absolute bottom-0 left-0 top-0 z-10 h-full w-full from-white/0 via-white/10 to-white bg-gradient-to-l" />
     </view>
     <view class="box-border flex-1" :class="textWrapClass">
       <view class="h-full flex flex-1 flex-col justify-between" :class="textContainerClass">
-        <view class="line-clamp-1 text-sm text-gray-900 font-bold">
+        <view class="line-clamp-1 text-sm text-gray-900 font-bold" @click="handleToPostDetail">
           {{ post.spec.title }}
         </view>
-        <view class="line-clamp-2 text-xs text-gray-500">
+        <view class="line-clamp-2 text-xs text-gray-500" @click="handleToPostDetail">
           {{ post.status.excerpt }}
         </view>
         <view class="w-full flex items-center" :class="textFooterClass">