Накатил человеческий дизайн

codebase/backend/frontend-test-site/src/reconcile.ts

@@ -3,5 +3,10 @@ import type { Message } from "./types";
 export function reconcileMessages(current: Message[], incoming: Message[]) {
   const byId = new Map(current.map((message) => [message.message_id, message]));
   for (const message of incoming) byId.set(message.message_id, { ...byId.get(message.message_id), ...message });
-  return [...byId.values()].sort((a, b) => a.created_at.localeCompare(b.created_at));
+  return [...byId.values()].sort((a, b) => {
+    const left = Date.parse(a.created_at);
+    const right = Date.parse(b.created_at);
+    if (Number.isFinite(left) && Number.isFinite(right)) return left - right;
+    return a.created_at.localeCompare(b.created_at);
+  });
 }