/**
 * Route classification and compression for governed agent runs.
 *
 * Decides whether a task needs manager/planner orchestration or can go
 * directly to a worker, based on task complexity signals. Prevents
 * wasted coordination cost (Pre Work Burn) on simple tasks.
 */
import type { RoutingMode, RoutingPolicy } from "../contracts/index.js";
export interface RouteDecision {
    selectedMode: RoutingMode;
    confidence: number;
    expectedCostUsd: number;
    expectedPreworkBurnPct: number;
    reason: string[];
    blockedSteps: string[];
    compressed: boolean;
    compressionSummary?: string;
}
export interface RouteClassificationInput {
    objective: string;
    verificationPlan: string[];
    repoRoot?: string;
    allowedPaths?: string[];
    deniedPaths?: string[];
    budgetUsd: number;
    policy?: Partial<RoutingPolicy>;
    /** Number of files the task references or is scoped to. */
    scopedFileCount?: number;
    /** Historical success rate for similar tasks with direct execution (0-1). */
    historicalDirectSuccessRate?: number;
}
export declare function classifyRoute(input: RouteClassificationInput): RouteDecision;
/**
 * Checks whether a run's Pre Work Burn exceeds the routing policy limits.
 * Returns a block reason if exceeded, undefined if within bounds.
 */
export declare function evaluatePreworkBurnPolicy(preworkCostUsd: number, totalCostUsd: number, policy?: Partial<RoutingPolicy>): {
    exceeded: boolean;
    reason?: string;
};