/**
 * runSensor — spawn the workflow-status sensor, validate its output.
 *
 * Spawns `<bin> scripts/workflow-status.mjs --json-only` in `cwd`,
 * collects stdout, parses JSON, validates against the envelope v2 strict
 * schema, and checks for degradations.
 *
 * Any failure path (spawn error, non-JSON, invalid JSON, schema invalid,
 * degradations present) returns `{ ok: false, refusal: "sensor-degraded", detail }`.
 */
import type { SensorResult } from "./types.js";
export declare function runSensor(cwd: string, bin: "bun" | "node"): Promise<SensorResult>;