A society of synthetic people.
Without a swarm of expensive agents.

const kernel = createKernel(
  { maxPersons: 1000 },
  { clock: new SimulatedClock() }
);

const person = kernel.createPerson({
  name: "Aria Chen",
  biography: "Urban explorer and street photographer.",
  identity: { core: "curious, observant, quietly intense" },
  personality: { summary: "notices what others miss" },
  interests: ["photography", "urban exploration", "coffee"],
  currentState: { mood: 0.3, availability: "available", socialIntensity: "normal" },
});

console.log(person.id); // p_...

kernel.assignRole(person.id, "friend");
kernel.assignRole(person.id, "creative_friend");
kernel.assignRole(person.id, "storyteller");
kernel.assignRole(person.id, "listener");

// At scene time, only context-relevant roles compose into the Actor
const actor = kernel.composeActorContext(
  person.id,
  "event:123",
  [person.id, otherPerson.id],
  circleId
);
// actor.roles = [friend, creative_friend, storyteller, listener]

const innerCircle = kernel.circles.list()
  .find(c => c.name === "Inner Circle");

const event = await kernel.tell(
  "Anyone up for a spontaneous road trip this weekend?",
  { circleId: innerCircle.id }
);

// event.payload.sceneResult.output.messages = [
//   { personId: "p_...", text: "Sounds good — tell me more...", person: "Sam" },
//   { personId: "p_...", text: "Ha, that's a vibe. I'm in.", person: "Emma" },
//   { personId: "p_...", text: "I've been thinking about exactly that...", person: "Leo" }
// ];

console.log(`Model calls: ${kernel.stats().modelCalls}`); // 1
console.log(`Est. spend: $${kernel.stats().totalCost.toFixed(6)}`); // 0.000000

// Person identity card
const card = kernel.identityCard(person.id);
console.log(card.name, card.archetype, card.essence, card.voice);

// Relationships
const rels = kernel.relationship.relationshipsFor(person.id);
rels.forEach(r => console.log(
  r.otherName, r.status, r.interactions,
  `${r.dims.familiarity.toFixed(2)}/${r.dims.trust.toFixed(2)}/${r.dims.affection.toFixed(2)}`
));

// Landmarks (shared history)
const landmarks = kernel.memory.landmarksFor(person.id);
landmarks.forEach(l => console.log("•", l.content));

// Cost simulator
const sim = kernel.cost.simulate({ population: 5000 });
sim.forEach(s => console.log(
  s.name, s.modelCalls, `$${s.estimatedSpend.toFixed(4)}`, s.note
));