/**
 * 中继协议 — 小助 ↔ 中继服务器的 WebSocket 消息格式
 */
/** 中继 → 小助：转发客户端请求 */
export interface RelayRequest {
    type: "request";
    id: string;
    method: "chat" | "chat_stream" | "stt" | "tts" | "history_delete_session" | "history_delete_sessions" | "config_sync_models" | "plugin_approval_resolve";
    body: Record<string, unknown>;
    clientToken: string;
}
/** 小助 → 中继：同步响应 */
export interface RelayResponse {
    type: "response";
    id: string;
    body: Record<string, unknown>;
}
/** 小助 → 中继：SSE 流式事件 */
export interface RelayStreamEvent {
    type: "stream_event";
    id: string;
    event: string;
    data: Record<string, unknown>;
}
/** 中继 → 小助：取消指定请求 */
export interface RelayCancelRequest {
    type: "cancel_request";
    id: string;
}
/** 双向心跳 */
export interface RelayPing {
    type: "ping" | "pong";
    timestamp: number;
}
export type RelayMessage = RelayRequest | RelayResponse | RelayStreamEvent | RelayCancelRequest | RelayPing;
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