/**
 * Renders a {@link WorldModel} as a system-prompt section.
 *
 * Format: a `<world_model>` block containing canonical JSON, preceded by a
 * short instruction header explaining how the koi should consult it before
 * any tool call that touches infrastructure or credentials.
 *
 * The header text is the contract: changing it alters the koi's behavior. The
 * JSON shape is the data: changing it alters what the koi can know.
 */
import type { WorldModel } from "./types.js";
/**
 * Render the world-model as a string section to splice into the system prompt.
 * Returns an empty array when the model is undefined so the caller can
 * `...spread` it unconditionally.
 */
export declare function buildWorldModelSection(model: WorldModel | undefined): string[];