/**
 * `peaks observability <subcommand>` — Slice B/C of v2.11.1.
 *
 *
 * markdown report formatter is implemented.
 *
 * Read-only over the JSONL metrics files emitted
 * by the `peaks request transition` hook (Slice A) plus the future
 * Slice C hook sites (dispatch / checkpoint / mode-gate / context
 * / post-compact). The aggregations tolerate zero events gracefully
 * so each subcommand returns a meaningful empty result on a fresh
 * tree.
 *
 * ONE EXCEPTION TO THE READ-ONLY RULE: `peaks observability baseline
 * --write` regenerates the tracked results-layer baseline at
 * `.peaks/observability/results-baseline.json`. It is the only command
 * here that writes, and it exists because the results layer needs a
 * baseline that can be regenerated and compared on demand.
 */
import type { Command } from 'commander';
import { type ProgramIO } from '../cli-helpers.js';
export declare function registerObservabilityCommands(program: Command, io: ProgramIO): void;