chore: baseline snapshot before moderation-strictness feature

Repo .git was damaged (refs/ missing, index truncated, object store near-empty).
Repaired via git init (rebuilt refs), stale index preserved as .git/index.corrupt-20260910.bak,
then full worktree committed as a rollback baseline.

static/sitemap.xml

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset
+    xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9
+       http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd"
+>
+
+<!-- 域名迁移（box.tama.guru → box.shiroko.one）：lastmod 全量刷新，触发搜索引擎重抓。
+     注意：/_/{domain} 已被 robots.txt 的 Disallow: /_/ 禁止，故不再提交（原 /_/tamakyi 条目移除）。 -->
+
+<url>
+ <loc>https://box.shiroko.one/</loc>
+ <priority>0.3</priority>
+ <lastmod>2026-09-06</lastmod>
+ <changefreq>weekly</changefreq>
+</url>
+
+<url>
+ <loc>https://box.shiroko.one/explore</loc>
+ <priority>0.3</priority>
+ <lastmod>2026-09-06</lastmod>
+ <changefreq>weekly</changefreq>
+</url>
+
+<url>
+ <loc>https://box.shiroko.one/register</loc>
+ <priority>0.3</priority>
+ <lastmod>2026-09-06</lastmod>
+ <changefreq>weekly</changefreq>
+</url>
+
+<url>
+ <loc>https://box.shiroko.one/login</loc>
+ <priority>0.3</priority>
+ <lastmod>2026-09-06</lastmod>
+ <changefreq>weekly</changefreq>
+</url>
+
+<url>
+ <loc>https://box.shiroko.one/change-logs</loc>
+ <priority>0.3</priority>
+ <lastmod>2026-09-06</lastmod>
+ <changefreq>weekly</changefreq>
+</url>
+
+</urlset>