diff --git a/apps/docs/blume.config.ts b/apps/docs/blume.config.ts
index bbfbf48..c94f563 100644
--- a/apps/docs/blume.config.ts
+++ b/apps/docs/blume.config.ts
@@ -1,6 +1,7 @@
 import { defineConfig } from "blume";
 import type { StandardSchema } from "blume/core/standard-schema.ts";
 import { filesystem } from "blume/sources";
+import { APPENDIX } from "./appendix";
 import redirects from "./redirects";
 
 // Blume's defaults (`inter`, `ibm-plex-mono`) are fetched from fonts.gstatic.com
@@ -36,10 +37,9 @@ const plexMono = {
  * components/ProblemBadges.astro. Problem pages: `topics:` is LeetCode's topic
  * tags and `issue:` the problem's GitHub issue URL (both written by
  * apps/cli/sync.ts), `video:` the NeetCode walkthrough's
- * YouTube id (apps/cli/videos.ts). Guide pages (content/appendix/, created by
- * sync): `list:` is the tag's LeetCode problem list. Blume rejects undeclared
- * keys and takes any Standard Schema; these are hand-rolled so the docs
- * workspace needs no zod. All optional — every other page carries none.
+ * YouTube id (apps/cli/videos.ts). Blume rejects undeclared keys and takes
+ * any Standard Schema; these are hand-rolled so the docs workspace needs no
+ * zod. All optional — every other page carries none.
  */
 const optional = <T>(
   message: string,
@@ -68,12 +68,6 @@ const videoSchema = optional(
   (value): value is string =>
     typeof value === "string" && /^[\w-]{11}$/.test(value),
 );
-const listSchema = optional(
-  "expected a https://leetcode.com/problem-list/<slug>/ URL",
-  (value): value is string =>
-    typeof value === "string" &&
-    /^https:\/\/leetcode\.com\/problem-list\/[\w-]+\/$/.test(value),
-);
 const issueSchema = optional(
   "expected a https://github.com/<owner>/<repo>/issues/<n> URL",
   (value): value is string =>
@@ -93,12 +87,20 @@ export default defineConfig({
     repo: "leetcode",
   },
   lastModified: "git",
-  redirects,
+  // Sync's `/<num>` short links, then the Appendix's former per-term pages
+  // (`/appendix/<slug>`, published until the glossary became one page) onto
+  // their cards, so old links and search results still land.
+  redirects: [
+    ...redirects,
+    ...Object.keys(APPENDIX).map((slug) => ({
+      from: `/appendix/${slug}`,
+      to: `/appendix#${slug}`,
+    })),
+  ],
   frontmatter: {
     extend: {
       topics: topicsSchema,
       video: videoSchema,
-      list: listSchema,
       issue: issueSchema,
     },
   },
@@ -125,9 +127,10 @@ export default defineConfig({
     llmsTxt: true,
     mcp: { enabled: false },
   },
-  // The only content source. `/changelog` is a custom page (pages/
-  // changelog.astro) reading the GitHub releases itself — one timeline, no
-  // per-release pages, so nothing of it enters the sidebar or prev/next.
+  // The only content source. `/changelog` and `/appendix` are custom pages
+  // (pages/*.astro): `/changelog` reads the GitHub releases itself — one
+  // timeline, no per-release pages — and `/appendix` is one glossary page
+  // built from appendix.ts, so neither enters the sidebar tree or prev/next.
   content: {
     sources: [filesystem({ root: "content" })],
   },
@@ -139,7 +142,11 @@ export default defineConfig({
     sidebar: {
       display: "flat", // "flat" | "group" | "page"
     },
-    // A plain header link on the right, not a tab.
-    actions: [{ href: "/changelog", label: "Changelog" }],
+    // The glossary is no content folder any more, so it is pinned above the
+    // sidebar tree, on every page and breakpoint.
+    featured: [
+      { label: "Changelog", href: "/changelog", icon: "clock" },
+      { label: "Appendix", href: "/appendix", icon: "library" },
+    ],
   },
 });