import { SEMANTIC_READER_ROUTES } from "./routes.js";
import { type SemanticUsageAggregate } from "./usage.js";
export declare const SEMANTIC_SERVICE_STATUS_SCHEMA_VERSION: 1;
export type SemanticServiceState = "starting" | "running" | "stopping" | "stopped";
export type SemanticServiceErrorCode = "ledger_unavailable" | "semantic_pass_failed";
export interface SemanticServiceStatusRecord {
    schema_version: typeof SEMANTIC_SERVICE_STATUS_SCHEMA_VERSION;
    pid: number;
    host: string;
    nonce: string;
    state: SemanticServiceState;
    started_at: string;
    heartbeat_at: string;
    calls_per_hour?: number;
    sweep_count: number;
    pass_count: number;
    model_calls: number;
    cache_hits: number;
    process_usage?: SemanticUsageAggregate;
    last_sweep_at?: string;
    last_pass_at?: string;
    last_error_code?: SemanticServiceErrorCode;
    stopped_at?: string;
}
export interface SemanticServiceStatus {
    running: boolean;
    stale: boolean;
    record?: SemanticServiceStatusRecord;
    newest_successful_pass?: string;
    pending_count: number;
    rolling_calls?: {
        used: number;
        limit: number;
        available: number;
        eligible_after?: string;
    };
    routes?: Array<{
        harness: keyof typeof SEMANTIC_READER_ROUTES;
        configured_model: string;
        invocation_model_id: string;
        resolved_model_id?: string;
        model_attestation?: "verified" | "requested-only";
        available?: boolean;
        reason_code?: string;
    }>;
    rolling_usage?: SemanticUsageAggregate;
    process_usage?: SemanticUsageAggregate;
}
/** Read-only service health. This module cannot spawn, signal, or write. */
export declare function readSemanticServiceStatus(coordRootRaw: string): SemanticServiceStatus;
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