"use strict";

// Layer: simulation
// Single update entrypoint. World owns state; phase modules own the ordered update work.
(function (global) {
  function update(worldRef, dt) {
    const order = global.TarinaiSystemOrder;
    if (order?.update) return order.update(worldRef, dt);
    const phases = global.TarinaiWorldUpdatePhases;
    if (!phases?.update) throw new Error("TarinaiWorldUpdatePhases is not available");
    return phases.update(worldRef, dt);
  }

  function phases() {
    return global.TarinaiWorldUpdatePhases?.phases || null;
  }

  function systemOrder() {
    return global.TarinaiSystemOrder?.names || null;
  }

  global.TarinaiSimulation = Object.freeze({ update, phases, systemOrder });
})(typeof window !== "undefined" ? window : globalThis);