feat: persist settings and enrich conversation context

apps/dashboard/src/features/conversations/processed-user-lookup.tsx

@@ -1,4 +1,5 @@
 import { useState } from 'react';
+import { RedditUsernameLink, redditUsernameLabel } from '../../components/reddit-username-link.js';
 import { useProcessedPostsQuery } from './conversation-queries.js';
 
 export function ProcessedUserLookup() {
@@ -17,8 +18,8 @@ export function ProcessedUserLookup() {
       {postsQuery.isPending && username ? <p role="status">Looking up processed posts…</p> : null}
       {postsQuery.isError ? <p role="alert">{postsQuery.error.message}</p> : null}
       {postsQuery.data ? (
-        postsQuery.data.length === 0 ? <p>No processed posts found for u/{username}.</p> : (
-          <ol aria-label={`Processed posts for u/${username}`}>
+        postsQuery.data.length === 0 ? <p>No processed posts found for <RedditUsernameLink username={username} />.</p> : (
+          <ol aria-label={`Processed posts for ${redditUsernameLabel(username)}`}>
             {postsQuery.data.map((post) => <li key={post.id}><strong>{post.title}</strong><span>r/{post.subreddit} · {post.messageSent ? 'Message sent' : post.error ?? 'Processed'}</span></li>)}
           </ol>
         )