Add description exports and collapse characters from same user

src/components/UserComponent.astro

@@ -1,21 +1,35 @@
 ---
-import { type User } from "../content/config";
+import { type CollectionEntry } from "astro:content";
+import { type Lang } from "../content/config";
 
 type Props = {
-  user: User;
+  lang: Lang;
+  user: CollectionEntry<"users">;
 };
 
-const { user } = Astro.props;
+const { user, lang } = Astro.props;
+const username = user.data.nameLang[lang] || user.data.name;
+let link: string | null = null;
+if (user.data.preferredLink) {
+  if (user.data.preferredLink in user.data.links) {
+    const preferredLink = user.data.links[user.data.preferredLink] as string | [string, string];
+    if (typeof preferredLink === "string") {
+      link = preferredLink;
+    } else {
+      link = preferredLink[0];
+    }
+  } else {
+    throw new Error(`No preferredLink "${user.data.preferredLink}" for user ${user.id}`);
+  }
+}
 ---
 
 {
-  typeof user === "string" ? (
-    <span>{user}</span>
+  user.data.preferredLink == null ? (
+    <span>{username}</span>
   ) : (
-    Object.entries(user).map(([k, v]) => (
-      <a href={v} class="text-link underline" target="_blank">
-        <span>{k}</span>
-      </a>
-    ))[0]
+    <a href={link} class="text-link underline" target="_blank">
+      {username}
+    </a>
   )
 }