优化

src/modules/notifications/store/notifications.ts

@@ -0,0 +1,27 @@
+import { computed, ref } from 'vue'
+import { defineStore } from 'pinia'
+import { getMyUnreadNotificationCount } from '../api/notifications'
+
+export const useNotificationsStore = defineStore('client-notifications', () => {
+  const unreadCount = ref<number | null>(null)
+  const loading = ref(false)
+  const errorMessage = ref('')
+
+  const hasUnread = computed(() => (unreadCount.value ?? 0) > 0)
+
+  async function refreshUnreadCount() {
+    loading.value = true
+    errorMessage.value = ''
+    try {
+      unreadCount.value = await getMyUnreadNotificationCount()
+    } catch (error) {
+      unreadCount.value = null
+      errorMessage.value = error instanceof Error ? error.message : '未读数量加载失败'
+    } finally {
+      loading.value = false
+    }
+  }
+
+  return { unreadCount, hasUnread, loading, errorMessage, refreshUnreadCount }
+})
+