feat: persist settings and enrich conversation context

src/web/routes/media.ts

@@ -1,5 +1,6 @@
 import { Router } from 'express';
 import type { WebContext } from '../context.js';
+import { resolveRedditUsername } from '../reddit-identities.js';
 
 export function createMediaRouter(ctx: WebContext): Router {
   const router = Router();
@@ -23,11 +24,17 @@ export function createMediaRouter(ctx: WebContext): Router {
 
       res.json(items.map((item) => {
         const live = item.chatRoomId ? byRoom.get(item.chatRoomId) : undefined;
-        const liveName = live?.username && live.username !== 'unknown' ? live.username : null;
-        const username = liveName ?? item.chatUsername ?? null;
+        const username = resolveRedditUsername(
+          live?.username ?? item.chatUsername,
+          ctx.services.chat,
+        );
+        const sender = /^(me|you)$/i.test(item.sender)
+          ? 'You'
+          : resolveRedditUsername(item.sender, ctx.services.chat) ?? username ?? 'Unknown Reddit user';
         return {
           ...item,
           chatUsername: username,
+          sender,
           urlPath: `/media/${encodeURIComponent(item.relativePath)}`,
         };
       }));