export type HostActionState = 'waiting' | 'running' | 'reported' | 'verified' | 'failed' | 'cancelled' | 'degraded';
export interface HostActionRecord {
    actionId: string;
    runId: string;
    engineRunId: string;
    stepId: string;
    projectRoot: string;
    sessionId?: string;
    executionId?: string;
    contextReceipt?: string;
    state: HostActionState;
    report: Record<string, unknown>;
    evidenceHash?: string;
    createdAt: number;
    updatedAt: number;
    finishedAt?: number;
}
export interface RequestHostActionInput {
    actionId?: string;
    runId: string;
    engineRunId: string;
    stepId: string;
    projectRoot: string;
    sessionId?: string;
    executionId?: string;
    contextReceipt?: string;
}
export interface StartHostActionInput {
    actionId: string;
    projectRoot: string;
}
export interface ReportHostActionInput {
    actionId: string;
    projectRoot: string;
    report: Record<string, unknown>;
    evidenceHash?: string;
}
export interface VerifyHostActionInput extends ReportHostActionInput {
    evidenceHash: string;
}
export interface FailHostActionInput extends ReportHostActionInput {
    outcome?: 'failed' | 'cancelled' | 'degraded';
}
export declare function isHostActionState(value: unknown): value is HostActionState;
export declare function mapHostActionRow(row: Record<string, unknown>): HostActionRecord;
export declare function serializeHostActionReport(report: Record<string, unknown>): string;
export declare function hostActionReportsEqual(left: Record<string, unknown>, right: Record<string, unknown>): boolean;