fix(fe): 3 个 TS 错

1. articles.ts: ArticleDetail extends ArticleListItem 重复定义 is_read
   删了(继承父类的 boolean)
2. Feed.vue: import readsApi + useMessage
3. Feed.vue: 加 const message = useMessage()

frontend/src/api/articles.ts

@@ -79,7 +79,6 @@ export interface ArticleDetail extends ArticleListItem {
   entities?: Record<string, any> | null
   sentiment?: number | null
   duplicate_of?: number | null
-  is_read?: boolean
 }
 
 export interface LlmSetting {

frontend/src/views/Feed.vue

@@ -3,9 +3,9 @@ import { computed, onMounted, ref } from 'vue'
 import { useRouter } from 'vue-router'
 import {
   NCard, NSpace, NTag, NText, NSelect, NInput, NButton, NEmpty, NSkeleton, NSpin,
-  NPagination,
+  NPagination, useMessage,
 } from 'naive-ui'
-import { articlesApi, sourcesApi, type ArticleListItem, type Source } from '@/api/articles'
+import { articlesApi, readsApi, sourcesApi, type ArticleListItem, type Source } from '@/api/articles'
 import { useAuthStore } from '@/stores/auth'
 import dayjs from 'dayjs'
 import relativeTime from 'dayjs/plugin/relativeTime'
@@ -15,6 +15,7 @@ dayjs.locale('zh-cn')
 
 const router = useRouter()
 const auth = useAuthStore()
+const message = useMessage()
 const items = ref<ArticleListItem[]>([])
 const sources = ref<Source[]>([])
 const loading = ref(false)