feat: persist settings and enrich conversation context

apps/dashboard/src/features/media/media-card.tsx

@@ -1,4 +1,5 @@
 import type { MediaItem } from '../../../../../packages/api-contracts/src/index.js';
+import { RedditUsernameLink } from '../../components/reddit-username-link.js';
 import { mediaConversation, mediaType } from './filters.js';
 
 interface MediaCardProps {
@@ -29,8 +30,10 @@ export function MediaCard({ item, isRevealed, onToggleReveal, onOpenPreview }: M
       </div>
       <div className="media-card-body">
         <div>
-          <strong>{item.sender}</strong>
-          <span>{mediaConversation(item)}</span>
+          <strong><RedditUsernameLink showPrefix={false} username={item.sender} /></strong>
+          <span>{item.chatUsername
+            ? <RedditUsernameLink showPrefix={false} username={item.chatUsername} />
+            : mediaConversation(item)}</span>
         </div>
         <dl>
           <div><dt>Type</dt><dd>{mediaType(item) === 'gif' ? 'GIF' : 'Image'}</dd></div>