import type { TokenUsage } from '../common/index.js';
import type { LLMProvider } from '../provider/index.js';
import type { BaseAgentConfig, BaseAgentResult } from './base.js';
import type { Agent } from './core.js';
export type RoutingDecisionSource = 'provider' | 'fallback' | 'hard_fail';
export interface RoutingDecision {
    agentId: string;
    confidence: number;
    reasoning?: string;
    routingSource: RoutingDecisionSource;
    /**
     * Tokens the routing call itself spent, summed over any retries.
     *
     * Routing runs before the delegate's run exists, so it has no
     * `TurnRecorder` to accumulate into. Reporting it here lets the
     * router report its own model usage. The separate budget summary includes
     * both routing and every delegated descendant.
     */
    usage?: TokenUsage;
}
export interface RouteDefinition {
    agentId: string;
    agent: Agent<BaseAgentConfig, BaseAgentResult>;
    description: string;
    matchPatterns?: string[];
}
export interface RouterAgentConfig extends BaseAgentConfig {
    routes: RouteDefinition[];
    provider: LLMProvider;
    routingPrompt?: string;
    fallbackAgentId?: string;
    minConfidence?: number;
    maxRoutingRetries?: number;
}
export interface RouterAgentResult extends BaseAgentResult {
    selectedRoute: string;
    routingDecision: RoutingDecision;
    delegateResult: BaseAgentResult;
}
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