/**
 * 当前 session 使用的 agent 解析与更新、以及节点上 agent 列表提供。
 * 由 Gateway 启动时注入，供 agent-chat、channel-core、以及 Core 层 switch_agent / list_agents 工具使用。
 */
export type SessionCurrentAgentResolver = (sessionId: string) => string | undefined;
export type SessionCurrentAgentUpdater = (sessionId: string, agentId: string) => void;
export type AgentListProvider = () => Promise<{
    id: string;
    name?: string;
}[]>;
/** 创建智能体参数：由 create_agent 工具传入，缺省由工具层补齐 */
export type CreateAgentParams = {
    name: string;
    workspace: string;
    systemPrompt?: string;
    provider?: string;
    model?: string;
    modelItemCode?: string;
};
export type CreateAgentResult = {
    id: string;
    name: string;
} | {
    error: string;
};
export type CreateAgentProvider = (params: CreateAgentParams) => Promise<CreateAgentResult>;
export declare function setSessionCurrentAgentResolver(fn: SessionCurrentAgentResolver | null): void;
export declare function getSessionCurrentAgentResolver(): SessionCurrentAgentResolver | null;
export declare function setSessionCurrentAgentUpdater(fn: SessionCurrentAgentUpdater | null): void;
export declare function getSessionCurrentAgentUpdater(): SessionCurrentAgentUpdater | null;
export declare function setAgentListProvider(fn: AgentListProvider | null): void;
export declare function getAgentListProvider(): AgentListProvider | null;
export declare function setCreateAgentProvider(fn: CreateAgentProvider | null): void;
export declare function getCreateAgentProvider(): CreateAgentProvider | null;