Temporal memory

import { InMemoryStorage, UserFacts } from "@agentium/core";

const storage = new InMemoryStorage();
const facts = new UserFacts(storage);
try {
  await facts.addFacts("alice", [{ fact: "Works at Acme", subject: "employer" }]);
  const previous = (await facts.getActiveFacts("alice"))[0];
  if (!previous) throw new Error("Expected the initial fact");
  await facts.addFacts("alice", [{
    fact: "Works at Globex", subject: "employer", supersedes: previous.fact,
  }]);
  console.log((await facts.getActiveFacts("alice")).map((item) => item.fact));
  console.log((await facts.getFacts("alice")).map((item) => ({
    fact: item.fact, invalidatedAt: item.invalidatedAt, invalidationReason: item.invalidationReason,
  })));
} finally {
  await storage.close();
}