export type ClientMessage = {
    type: "message";
    content: string;
    id: string;
} | {
    type: "abort";
    reason?: string;
} | {
    type: "reset";
} | {
    type: "answer_question";
    request_id: string;
    answers: Record<string, string>;
};
export type ServerMessage = {
    type: "connected";
    session_id: string;
    skills: string[];
    version: string;
} | {
    type: "processing";
    message_id: string;
} | {
    type: "skill_loaded";
    skill: string;
    expanded: boolean;
    timestamp: string;
} | {
    type: "tool_call";
    tool: string;
    command: string;
    timestamp: string;
} | {
    type: "tool_result";
    tool: string;
    status: "success" | "error";
    output: string;
    timestamp: string;
} | {
    type: "text_delta";
    content: string;
    timestamp: string;
} | {
    type: "progress";
    message_id: string;
    progress: ProgressInfo;
} | {
    type: "finish";
    message_id: string;
    stats: MessageStats;
} | {
    type: "error";
    code: string;
    message: string;
} | {
    type: "ask_question";
    request_id: string;
    questions: Array<{
        question: string;
        header: string;
        options: Array<{
            label: string;
            description: string;
        }>;
        multiSelect: boolean;
    }>;
};
/**
 * Token 使用统计信息
 *
 * 注意：这个事件在每次 API 调用完成（收到 assistant 消息）时发送，
 * 不是实时增量更新。根据 Claude API 限制，message_delta 事件只在
 * 消息结束时发送一次，工具参数生成期间不会有 token 更新。
 */
export interface ProgressInfo {
    total_input_tokens: number;
    total_output_tokens: number;
    current_input_tokens: number;
    current_output_tokens: number;
    by_model: Record<string, {
        input: number;
        output: number;
    }>;
    timestamp: number;
}
export interface MessageStats {
    tokens: {
        total: {
            input: number;
            output: number;
        };
        by_model: Record<string, {
            input: number;
            output: number;
        }>;
    };
    context: {
        used: number;
        total: number;
    };
    duration_ms: number;
    skills: {
        loaded: string[];
        expanded: string[];
    };
    tools_called: number;
}
export interface ServerOptions {
    port: number;
    token?: string;
    cwd?: string;
}
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