export declare const WORKFLOW_TRANSCRIPT_EVENT_BYTES: number;
/** Key under which a shrunk record names the fields it had to drop. */
export declare const WORKFLOW_TRANSCRIPT_OMITTED = "omitted_fields";
export interface WorkflowTranscriptOmission {
    field: string;
    bytes: number;
    sha256: string;
}
export declare function workflowTranscriptPath(coordRoot: string, runId: string): string;
/**
 * Append one transcript record, always.
 *
 * A record that would exceed what a reader accepts has its largest fields
 * replaced by a digest and a byte count until it fits, and it names what it
 * dropped. Size never raises.
 *
 * Refusing an oversized record would let a valid run fail on its own opening
 * line: `run.start` carries the workflow's declared metadata plus the frozen
 * work and attempt context, and Harnery's own validators permit those to exceed
 * this limit by construction. Losing detail from a record is recoverable.
 * Losing the run that was writing it is not.
 */
export declare function appendWorkflowTranscriptEvent(coordRoot: string, runId: string, event: string, data: Record<string, unknown>): void;
/**
 * Shrink a record to the reader's limit by dropping its largest fields first.
 * The envelope is never dropped, so a record keeps its run id, timestamp, and
 * event name however much detail it loses. Exported for tests.
 */
export declare function fitWorkflowTranscriptRecord(envelope: Record<string, unknown>, data: Record<string, unknown>): Record<string, unknown>;
//# sourceMappingURL=transcript.d.ts.map