Interface CopilotSessionEvents

interface CopilotSessionEvents {
    "assistant.message": SessionEvent<
        "assistant.message",
        { content: string; outputTokens?: number },
    >;
    "assistant.message_delta": SessionEvent<
        "assistant.message_delta",
        { deltaContent: string },
    >;
    "assistant.reasoning_delta": SessionEvent<
        "assistant.reasoning_delta",
        { deltaContent: string },
    >;
    "assistant.usage": SessionEvent<
        "assistant.usage",
        { inputTokens?: number; outputTokens?: number },
    >;
    "session.error": SessionEvent<
        "session.error",
        {
            errorType: string;
            message: string;
            stack?: string;
            statusCode?: number;
        },
    >;
    "session.idle": SessionEvent<"session.idle", unknown>;
}