Harden conversation replies and prioritize newest candidates

src/bootstrap.ts

@@ -298,6 +298,7 @@ export async function bootstrap(
     redditUsersRepo,
     accountAuth,
     conversationOutcomesRepo,
+    conversationStateRepo,
   );
 
   const mediaSyncService = new MediaSyncService(chatService, logger, config.media.syncIntervalMs, accountAuth);