export type OpenAIResponsesAssistantPhase = "commentary" | "final_answer";
export type ContentPart = {
    type: "input_text";
    text: string;
} | {
    type: "output_text";
    text: string;
} | {
    type: "input_image";
    source: {
        type: "url";
        url: string;
    } | {
        type: "base64";
        media_type: string;
        data: string;
    };
} | {
    type: "image_url";
    image_url: {
        url: string;
    };
};
export type InputItem = {
    type: "message";
    role: "system" | "developer" | "user" | "assistant";
    content: string | ContentPart[];
    phase?: OpenAIResponsesAssistantPhase;
} | {
    type: "function_call";
    id?: string;
    call_id?: string;
    name: string;
    arguments: string;
} | {
    type: "function_call_output";
    call_id: string;
    output: string;
} | {
    type: "reasoning";
    id?: string;
    content?: unknown;
    encrypted_content?: string;
    summary?: unknown;
} | {
    type: "item_reference";
    id: string;
};
export type ToolChoice = "auto" | "none" | "required" | {
    type: "function";
    function: {
        name: string;
    };
};
export interface FunctionToolDefinition {
    type: "function";
    name: string;
    description?: string;
    parameters?: Record<string, unknown>;
    strict?: boolean;
}
export interface ResponseCreateEvent {
    type: "response.create";
    model: string;
    store?: boolean;
    stream?: boolean;
    input?: string | InputItem[];
    instructions?: string;
    tools?: FunctionToolDefinition[];
    tool_choice?: ToolChoice;
    context_management?: unknown;
    previous_response_id?: string;
    max_output_tokens?: number;
    temperature?: number;
    top_p?: number;
    metadata?: Record<string, string>;
    include?: string[];
    reasoning?: {
        effort?: "none" | "low" | "medium" | "high" | "xhigh";
        summary?: "auto" | "concise" | "detailed";
    };
    text?: {
        verbosity?: "low" | "medium" | "high";
        [key: string]: unknown;
    };
    truncation?: "auto" | "disabled";
    [key: string]: unknown;
}
/** Warm-up payload: generate: false pre-loads connection without generating output */
export interface WarmUpEvent extends ResponseCreateEvent {
    generate: false;
}
export type ClientEvent = ResponseCreateEvent | WarmUpEvent;