/**
 * OpenRouter API data types
 * Based on OpenRouter API specification
 */
import type { ToolDefinition, ToolCall } from './tools.js';
export interface ChatCompletionRequest {
    model: string;
    messages: APIMessage[];
    stream?: boolean;
    max_tokens?: number;
    temperature?: number;
    top_p?: number;
    tools?: ToolDefinition[];
    tool_choice?: 'auto' | 'none' | {
        type: 'function';
        function: {
            name: string;
        };
    };
}
export interface APIMessage {
    role: 'user' | 'assistant' | 'system' | 'tool';
    content: string | null;
    tool_calls?: ToolCall[];
    tool_call_id?: string;
    name?: string;
}
export interface ChatCompletionResponse {
    id: string;
    object: 'chat.completion';
    created: number;
    model: string;
    choices: ChatCompletionChoice[];
    usage?: TokenUsage;
}
export interface ChatCompletionChoice {
    index: number;
    message: {
        role: 'assistant';
        content: string | null;
        tool_calls?: ToolCall[];
    };
    finish_reason: 'stop' | 'length' | 'content_filter' | 'tool_calls';
}
export interface TokenUsage {
    prompt_tokens: number;
    completion_tokens: number;
    total_tokens: number;
}
export interface ChatCompletionChunk {
    id: string;
    object: 'chat.completion.chunk';
    created: number;
    model: string;
    choices: ChatCompletionChunkChoice[];
}
export interface ChatCompletionChunkChoice {
    index: number;
    delta: {
        role?: 'assistant';
        content?: string;
        tool_calls?: ToolCall[];
    };
    finish_reason: null | 'stop' | 'length' | 'content_filter' | 'tool_calls';
}
export interface ModelsListResponse {
    data: ModelInfo[];
}
export interface ModelInfo {
    id: string;
    name: string;
    description?: string;
    context_length: number;
    pricing: {
        prompt: string;
        completion: string;
        image?: string;
        request?: string;
    };
    architecture?: {
        modality: 'text' | 'text+image' | 'text+audio';
        tokenizer: string;
        instruct_type?: string;
    };
    top_provider?: {
        max_completion_tokens?: number;
        is_moderated: boolean;
    };
}
export interface ErrorResponse {
    error: {
        message: string;
        type?: string;
        code: string;
        param?: string | null;
    };
}
export interface ApiKeyValidationResponse {
    data: {
        label: string;
        usage: number;
        limit: number | null;
        is_free_tier: boolean;
        rate_limit: {
            requests: number;
            interval: string;
        };
    };
}
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