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app/components/Post/PostList.vue

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+<template>
+  <div class="post-list">
+    <!-- Error State -->
+    <v-alert
+      v-if="hasError"
+      type="error"
+      class="mb-4"
+      closable
+      @click:close="refresh"
+    >
+      {{ error }}
+    </v-alert>
+
+    <!-- Posts List -->
+    <v-infinite-scroll
+      height="auto"
+      class="space-y-4"
+      @load="loadMore"
+    >
+      <template v-for="item in posts" :key="item.id">
+        <post-item
+          :item="item"
+          @react="(symbol, attitude, delta) => $emit('react', item.id, symbol, attitude, delta)"
+        />
+      </template>
+
+      <!-- Loading State -->
+      <template #loading>
+        <div class="flex justify-center py-4">
+          <v-progress-circular indeterminate size="32" />
+        </div>
+      </template>
+
+      <!-- Empty State -->
+      <template #empty>
+        <div v-if="!posts" class="text-center py-8 text-muted-foreground">
+          <v-icon icon="mdi-post-outline" size="48" class="mb-2 opacity-50" />
+          <p>No posts found</p>
+        </div>
+      </template>
+    </v-infinite-scroll>
+
+    <!-- Refresh Button -->
+    <div class="flex justify-center mt-4">
+      <v-btn
+        variant="outlined"
+        :loading="isLoading"
+        prepend-icon="mdi-refresh"
+        @click="refresh"
+      >
+        Refresh
+      </v-btn>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { usePostList } from "~/composables/usePostList"
+import type { PostListParams } from "~/composables/usePostList"
+
+import PostItem from "./PostItem.vue"
+
+const props = defineProps<{
+  params?: PostListParams
+}>()
+
+defineEmits<{
+  react: [postId: string, symbol: string, attitude: number, delta: number]
+}>()
+
+const { posts, isLoading, hasError, error, loadMore, refresh } =
+  usePostList(props.params)
+</script>