debug(feed): 给 articlesWithPrompts 加 console.log 诊断 wrapper 不渲染

frontend/src/views/Feed.vue

@@ -44,9 +44,12 @@ let categoryPromptTimer: number | null = null
 // - items 没这条 → 不渲染(孤儿)
 // - items 有 + Map 也有 → 渲染
 // - items 有 + Map 没 → 不渲染(用户已 dismiss/确认/超时)
-const articlesWithPrompts = computed(() =>
-  items.value.filter((a) => (categoryPromptsByArticle.value.get(a.id)?.length ?? 0) > 0)
-)
+const articlesWithPrompts = computed(() => {
+  const result = items.value.filter((a) => (categoryPromptsByArticle.value.get(a.id)?.length ?? 0) > 0)
+  // eslint-disable-next-line no-console
+  console.log('[articlesWithPrompts] computed:', { itemsLen: items.value.length, mapSize: categoryPromptsByArticle.value.size, resultLen: result.length, mapEntries: Array.from(categoryPromptsByArticle.value.entries()) })
+  return result
+})
 
 // 移除某篇文章的所有提示条(8 秒超时 / 确认后 / 过滤变化)
 function clearPromptsForArticle(articleId: number) {