/**
 * Fastify route: `GET /state`.
 *
 * Returns the full {@link RuntimeSystemState} for every running runtime —
 * the same shape `senpi runtime state --json` returns over the OpenClaw
 * gateway, exposed here over HTTP for callers (e.g. the producer wrapper's
 * daemon liveness check) that don't want a gateway dependency.
 *
 * Mirrors the existing CLI separation:
 *  - {@link registerHealthRoute `/health`} — lightweight readiness probe
 *    suitable for LB / Kubernetes probes (returns wallet + queue depth only).
 *  - `/state` (this route) — full runtime state including registered
 *    scanners, action handles, DSL state, risk gates.
 *
 * HTTP status:
 *  - `200` with envelope `{ success: true, data: { runtimes: [...] } }` on
 *    success. Always 200 — the response is informational; an empty
 *    `runtimes` array is a valid answer ("no runtimes registered").
 *  - `503` on internal error from a `getSystemState()` call. Surfaces
 *    the senpi-stack error envelope.
 *
 * Optional filter: `?address=0x...` returns only the runtime matching
 * that wallet address (case-insensitive). Saves bytes per probe when a
 * caller only cares about its own wallet.
 */
import type { FastifyInstance } from "fastify";
import type { RuntimeHandle } from "../../runtime/run.js";
import type { Logger } from "../../utils/logger.js";
/**
 * Dependencies injected into the `/state` route at registration time.
 */
export interface StateRouteDeps {
    /** Live runtime handles maintained by the plugin, keyed by lowercased address. */
    runtimeHandles: Map<string, RuntimeHandle>;
    /** Logger instance for unexpected errors. */
    logger: Logger;
}
/**
 * Register `GET /state` on the given Fastify instance.
 *
 * Iterates runtime handles, calls `getSystemState()` on each, returns the
 * collected list under `data.runtimes[]`. A handle whose `getSystemState()`
 * returns `null` (runtime is mid-startup or mid-shutdown) is omitted from
 * the result rather than included as a sentinel — callers waiting for a
 * specific wallet should re-probe rather than try to interpret a null.
 *
 * @param fastify  Fastify instance to register the route on.
 * @param deps     Route dependencies injected at plugin start.
 */
export declare function registerStateRoute(fastify: FastifyInstance, deps: StateRouteDeps): void;
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