fix(polish): 视觉复核三轮——热力图末列可见与 en 首页版面平权

- 热力图：桌面 10px 格+2px 缝收进版心（53 列 634px 无横滚——唯一有
  数据的最新列曾被裁在滚出区呈空表）；移动端锚定 scrollLeft 到最新列
- en 首页补 IdCard 名片区 + Latest photos 影像条（视觉复核版面平权建议）
- en/index 重复导入 getCollection 修复（构建炸点）

验证: pnpm astro build 21 页 exit 0；node tests/e2e.mjs 30/30 PASS
      （新构建全链）

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

Co-authored-by: GLM-5.3

src/pages/en/index.astro

@@ -3,6 +3,9 @@
 import { getCollection } from 'astro:content';
 import BaseLayout from '../../layouts/BaseLayout.astro';
 import { t } from '../../i18n/ui';
+import IdCard from '../../components/IdCard.astro';
+import { Image } from 'astro:assets';
+const photos = (await getCollection('photos')).slice(0, 4);
 import Heatmap from '../../components/geek/Heatmap.astro';
 import { POST_TRACKS, trackOf } from '../../content.config';
 
@@ -20,7 +23,18 @@ const t9 = (cat: keyof typeof POST_TRACKS) => trackOf(cat);
 
 <BaseLayout title="wait4x" description="wait4x's blog: reading · code · photography" track="tech">
   <h1 class="visually-hidden">wait4x</h1>
+  <IdCard>
+    <a href="https://github.com/wait4xx" rel="noopener noreferrer" aria-label="GitHub">↗</a>
+    <a href="/en/rss.xml" aria-label="RSS">RSS</a>
+  </IdCard>
   {years.map((year) => (
+    <section class="latest" aria-label={t('latest_photos', 'en')}>
+      <span class="lab">{t('latest_photos', 'en')}</span>
+      <a href="/en/gallery/">{t('enter_gallery', 'en')}</a>
+      <div class="strip">
+        {photos.map((p) => (<a href="/en/gallery/"><Image src={p.data.image} alt={p.data.alt ?? p.data.title} widths={[160, 320]} sizes="20vw" loading="lazy" /></a>))}
+      </div>
+    </section>
     <section class="year">
       <h2 class="y-label">{year}</h2>
       {(['reading', 'tech', 'photo'] as const).map((cat) => {