import type { RoleContext } from './types.js';
export declare function loadRole(storageDir?: string): RoleContext | null;
export declare function saveRole(role: Omit<RoleContext, 'updatedAt'>, storageDir?: string): RoleContext;
/** Render a role context as a system-preamble line for task prompts. */
export declare function rolePreamble(ctx: RoleContext | null): string | undefined;