/**
 * Tool/Function calling types for OpenRouter API
 */
export interface ToolDefinition {
    type: 'function';
    function: {
        name: string;
        description: string;
        parameters: {
            type: 'object';
            properties: Record<string, ToolParameter>;
            required: string[];
        };
    };
}
export interface ToolParameter {
    type: 'string' | 'number' | 'boolean' | 'object' | 'array';
    description: string;
    enum?: string[];
    items?: ToolParameter;
    properties?: Record<string, ToolParameter>;
}
export interface ToolCall {
    id: string;
    type: 'function';
    function: {
        name: string;
        arguments: string;
    };
    index?: number;
}
export interface ToolResult {
    tool_call_id: string;
    role: 'tool';
    name: string;
    content: string;
}
export interface ToolExecutionResult {
    success: boolean;
    output: string;
    error?: string;
}
/**
 * Tool executor function signature
 */
export type ToolExecutor = (args: Record<string, unknown>) => Promise<ToolExecutionResult>;
/**
 * Tool registry entry
 */
export interface Tool {
    definition: ToolDefinition;
    executor: ToolExecutor;
}
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