Add Discord collectibles to profiles, messages, and settings.

Integrate profile effects, nameplates, and avatar decorations with live catalog browsing, Matrix profile storage, and rendering across user heroes, DMs, messages, and the sidebar avatar.

src/app/components/user-profile/ProfileCollectibleOverlays.tsx

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+import React from 'react';
+import {
+  pickStoredProfileEffectIntroUrl,
+  pickStoredProfileEffectLoopUrl,
+} from '../../utils/collectibleAssets';
+import { ProfileEffectMedia } from './ProfileEffectMedia';
+import * as css from './styles.css';
+
+type ProfileCollectibleOverlaysProps = {
+  assetUrls: Record<string, string | undefined>;
+};
+
+export function ProfileCollectibleOverlays({ assetUrls }: ProfileCollectibleOverlaysProps) {
+  const introUrl = pickStoredProfileEffectIntroUrl(assetUrls);
+  const loopUrl = pickStoredProfileEffectLoopUrl(assetUrls);
+
+  if (!introUrl && !loopUrl) return null;
+
+  return (
+    <div className={css.UserHeroCollectibleLayer} aria-hidden="true">
+      <ProfileEffectMedia
+        introUrl={introUrl}
+        loopUrl={loopUrl}
+        className={css.ProfileEffectOverlay}
+      />
+    </div>
+  );
+}