forward labelers to chat

src/state/session/clients.ts

@@ -54,12 +54,13 @@ export function buildPdsClient(agent: Agent): Client {
  * env-configurable `CHAT_PROXY_DID` rather than a hard-coded constant, so it can
  * be retargeted per environment.
  *
- * `appLabelers: null` for the same reason as the PDS client: the chat service
- * takes no moderation authorities.
+ * Unlike the PDS client, chat carries moderation authorities. The service uses
+ * them to hydrate labels on profiles embedded in conversation responses, so
+ * this client reads the global `Client.appLabelers` and receives the account's
+ * subscriptions through `configureModerationForAccount`.
  */
 export function buildChatClient(agent: Agent): Client {
   return createLexClient(agent, {
-    appLabelers: null,
     service: CHAT_PROXY_SERVICE,
   })
 }