import type { TaskRecord } from "./state.js";
export type AgentHealthStatus = "healthy" | "degraded" | "stuck";
export interface AgentStatusConfig {
    nowMs?: number;
    stuckAfterMs?: number;
    queueDegradedAfterMs?: number;
    failureWindowMs?: number;
}
export interface AgentStatusEvidence {
    checked_at: string;
    status: AgentHealthStatus;
    counts: {
        total: number;
        queued: number;
        blocked: number;
        running: number;
        succeeded: number;
        failed: number;
        cancelled: number;
    };
    indicators: {
        stale_running_count: number;
        oldest_running_age_ms: number | null;
        stale_queued_count: number;
        stale_blocked_count: number;
        recent_failure_count: number;
        running_age_unknown_count: number;
        frontend_no_edit_running_count: number;
        frontend_no_edit_blocked_count: number;
    };
    thresholds: {
        stuck_after_ms: number;
        queue_degraded_after_ms: number;
        failure_window_ms: number;
    };
}
export declare function summarizeAgentStatus(tasks: TaskRecord[], config?: AgentStatusConfig): AgentStatusEvidence;
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