import type { ActorPresence } from '@pantheon-systems/css-client';
export declare const AGENT_DISPLAY_NAME = "Zappy";
/** The icon the editor shows beside an agent's name. */
export type AgentIconName = 'zappy' | 'sparkles';
/**
 * An agent a customer connected with an API key, as opposed to the platform's own.
 * Presence that does not say (an older session, a cached snapshot) counts as the
 * platform agent, so the label never degrades to something less specific.
 */
export declare function isExternalAgent(actor: ActorPresence): boolean;
/**
 * The platform's agent shows as Zappy whatever its registry name is, which varies
 * by environment. An agent a customer connected shows under its own name.
 */
export declare function actorDisplayName(actor: ActorPresence): string;
/** Zappy's bolt for the platform agent; the generic AI mark for any other agent. */
export declare function agentIconName(actor: ActorPresence): AgentIconName;