feat: 代码片段功能与 Markdown 内嵌片段渲染、文档截图等

frontend/middleware.ts

@@ -10,6 +10,8 @@ import {
   matchStandardPath,
   normalizeUrlStyle,
   pagePathFromSlug,
+  snippetPath,
+  snippetsPath,
   standardEntityPath,
   type PageKind,
   type UrlStyle,
@@ -185,6 +187,7 @@ function couldBeEntityPath(pathname: string): boolean {
     pathname.startsWith("/announcement/") ||
     pathname.startsWith("/p/") ||
     pathname.startsWith("/library") ||
+    pathname.startsWith("/snippets") ||
     pathname.startsWith("/leaderboard") ||
     pathname.endsWith(".html")
   );
@@ -199,6 +202,8 @@ function standardTarget(m: { kind: PageKind; id?: number; slug?: string }): stri
   if (m.kind === "libraryDoc") return `/library/${m.slug ?? ""}`;
   if (m.kind === "libraryRead") return `/library/${m.slug ?? ""}/read?c=${m.id ?? 0}`;
   if (m.kind === "library") return "/library";
+  if (m.kind === "snippets") return "/snippets";
+  if (m.kind === "snippet") return `/snippets/${m.id ?? 0}`;
   if (m.kind === "leaderboard") return "/leaderboard";
   return standardEntityPath(m.kind, m.id ?? 0);
 }
@@ -216,6 +221,8 @@ function styledPath(
     return libraryDocReadPath(style, m.slug ?? "", chapterNo ?? m.id ?? 1);
   }
   if (m.kind === "library") return libraryPath(style);
+  if (m.kind === "snippets") return snippetsPath(style);
+  if (m.kind === "snippet") return snippetPath(style, m.id ?? 0);
   if (m.kind === "leaderboard") return leaderboardPath(style);
   return entityPath(style, m.kind, m.id ?? 0);
 }