export declare function safeRunPathSlug(value: string | undefined, fallback: string): string;
export declare function workflowRunSubjectKey(kind: string | undefined, rawSubjectRef: string | undefined): string;
export declare function workflowRunProjectSlug(projectKey: string | undefined): string;
export interface WorkflowRunManifestArgs {
    loopsDataDir: string;
    workflowRunId: string;
    workflowId: string;
    workflowName: string;
    invocationId?: string;
    workItemId?: string;
    projectKey?: string;
    subjectKind?: string;
    rawSubjectRef?: string;
    payload: Record<string, unknown>;
}
export interface StagedWorkflowRunManifest {
    /** Final manifest.json location, valid only after {@link commitWorkflowRunManifest}. */
    manifestPath: string;
    /** Temp file holding the staged manifest content. */
    tmpPath: string;
}
/**
 * Write the manifest to `manifest.json.tmp` so callers can stage the
 * filesystem side effect before opening a database transaction and promote it
 * with {@link commitWorkflowRunManifest} only after COMMIT succeeds.
 */
export declare function stageWorkflowRunManifest(args: WorkflowRunManifestArgs): StagedWorkflowRunManifest;
export declare function commitWorkflowRunManifest(staged: StagedWorkflowRunManifest): string;
export declare function discardWorkflowRunManifest(staged: StagedWorkflowRunManifest): void;
export declare function writeWorkflowRunManifest(args: WorkflowRunManifestArgs): string;