chore(spec): 归档 fix-site-polish——四缺陷+双轨验证六任务收敛

Spec: 2026-10-25_fix-site-polish

Co-authored-by: GLM-5.3

src/components/PostList.astro

@@ -9,8 +9,10 @@ interface Props {
   /** 调用方已完成 draft 过滤与 pubDate 倒序 */
   posts: CollectionEntry<'posts'>[];
   locale?: 'zh' | 'en';
+  /** slug → 译题（en 列表显示英文标题，视觉复核范围外观察） */
+  titleOverrides?: Record<string, string>;
 }
-const { posts, locale = 'zh' } = Astro.props;
+const { posts, locale = 'zh', titleOverrides } = Astro.props;
 // 轨道标签走字典（en 首页复用本组件时的双语位）；zh 保持原词表语义
 const TRACK_LABEL: Record<PostCategory, string> = {
   reading: t('category_reading', locale),
@@ -52,7 +54,7 @@ const mmdd = (d: Date) =>
                         aria-hidden="true"
                       />
                     )}
-                    <span class="row-title">{post.data.title}</span>
+                    <span class="row-title">{titleOverrides?.[post.id] ?? post.data.title}</span>
                     {cat !== 'reading' &&
                       post.data.tags.map((tag) => <code class="tag">{`#${tag}`}</code>)}
                     <time class="row-date" datetime={post.data.pubDate.toISOString()}>

src/pages/en/index.astro

@@ -12,6 +12,10 @@ import { t } from '../../i18n/ui';
 const posts = (await getCollection('posts', ({ data }) => !data.draft)).sort(
   (a, b) => b.data.pubDate.getTime() - a.data.pubDate.getTime(),
 );
+// 列表标题吃 postsEn 译题（缺译回退 zh，与 /en/archives 同策略）
+const enTitle = Object.fromEntries(
+  (await getCollection('postsEn')).map((e) => [e.id, e.data.title]),
+);
 const photos = (await getCollection('photos')).slice(0, 4);
 ---
 
@@ -65,7 +69,7 @@ const photos = (await getCollection('photos')).slice(0, 4);
     </div>
   </IdCard>
 
-  <PostList {posts} locale="en" />
+  <PostList {posts} locale="en" titleOverrides={enTitle} />
 
   <section class="latest" aria-label={t('latest_photos', 'en')}>
     <div class="latest-head">