/**
 * `synap diagnose` — see what an AI did, across flows.
 *
 * The CLI face of the unified runs door (LOCKED CONTRACT, base `${podUrl}/api/hub`):
 *   feed:   GET /runs?flowType=&flowId=&limit=
 *   detail: GET /runs/:id?flowType=
 *
 * No args → the recent run feed across automation / playbook / capture / session.
 * With a run id → that run's activity timeline. For a CAPTURE run that is its
 * decision + trace events — WHY a facet/entity dropped or a route was chosen,
 * each with an actionable fixHint. `--json` prints the raw payload.
 */
export declare function diagnose(runId: string | undefined, opts: {
    flow?: string;
    flowId?: string;
    limit?: string;
    json?: boolean;
    podUrl?: string;
    apiKey?: string;
}): Promise<void>;