feat: support concurrent Reddit accounts

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

@@ -1,6 +1,7 @@
 import type { MediaItem } from '../../../../../packages/api-contracts/src/index.js';
 import { RedditUsernameLink } from '../../components/reddit-username-link.js';
 import { mediaConversation, mediaType } from './filters.js';
+import { AccountOwnerBadge } from '../../components/account-owner-badge.js';
 
 interface MediaCardProps {
   item: MediaItem;
@@ -29,6 +30,7 @@ export function MediaCard({ item, isRevealed, onToggleReveal, onOpenPreview }: M
         {!isRevealed ? <span className="privacy-label">Private media hidden</span> : null}
       </div>
       <div className="media-card-body">
+        <AccountOwnerBadge owner={item.owner} />
         <div>
           <strong><RedditUsernameLink showPrefix={false} username={item.sender} /></strong>
           <span>{item.chatUsername