初始提交：时之刃的小站

基于 VermilionVoid（朱墨留白）主题的个人博客。
- 站点配置集中在 src/data/site.ts 与 src/data/profile.ts
- 30 篇文章、8 条偶得、相册
- 评论使用自托管 twikoo
- 部署走 deploy.sh（rsync 到树莓派 + 云服务器）

src/pages/rss.xml.ts

@@ -0,0 +1,47 @@
+import rss from "@astrojs/rss"
+import type { APIContext } from "astro"
+import MarkdownIt from "markdown-it"
+import sanitizeHtml from "sanitize-html"
+import { getSortedPosts } from "@/lib/posts"
+import { homeTitle, site } from "@/data/site"
+
+const parser = new MarkdownIt()
+const FULL_CONTENT_LIMIT = 10
+
+function stripInvalidXmlChars(str: string): string {
+  return str.replace(
+    /[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x9F\uFDD0-\uFDEF\uFFFE\uFFFF]/g,
+    "",
+  )
+}
+
+export async function GET(context: APIContext) {
+  const posts = await getSortedPosts(true)
+  const publicPosts = posts.filter((post) => !post.data.encrypted)
+
+  return rss({
+    title: homeTitle,
+    description: site.description,
+    site: context.site ?? "https://example.com",
+    items: publicPosts.map((post, index) => {
+      const content = typeof post.body === "string" ? post.body : String(post.body || "")
+      const cleanedContent = stripInvalidXmlChars(content)
+      const item = {
+        title: post.data.title,
+        pubDate: post.data.published,
+        description: post.data.description || "",
+        link: `/posts/${post.slug}/`,
+      }
+
+      if (index >= FULL_CONTENT_LIMIT) return item
+
+      return {
+        ...item,
+        content: sanitizeHtml(parser.render(cleanedContent), {
+          allowedTags: sanitizeHtml.defaults.allowedTags.concat(["img"]),
+        }),
+      }
+    }),
+    customData: `<language>${site.lang}</language>`,
+  })
+}