import { z } from "zod";
import type { McpServer, RegisteredTool } from "@modelcontextprotocol/sdk/server/mcp.js";
import { type Snapshot } from "../hil/schemas.js";
import type { ToolContext } from "../tool-context.js";
export declare const TOOL_NAME = "crosspad_snapshot";
export declare const INCLUDE_KEYS: readonly ["apps", "ui", "kit", "leds", "pads", "mem", "ble", "console"];
export declare class SnapshotStore {
    private readonly order;
    private readonly map;
    put(snap: Snapshot): void;
    get(id: string): Snapshot | undefined;
    ids(): string[];
}
export declare const snapshots: SnapshotStore;
/** Map crosspad-pc RemoteControl.cpp handle_stats() output onto the Snapshot shape. */
export declare function simStatsToSnapshot(stats: Record<string, unknown>, id: string): Snapshot;
/** Top-level keys whose JSON differs (same rule as snapshot.py: dict inequality). */
export declare function changedKeys(prev: Snapshot, cur: Snapshot): string[];
export declare function takeDeviceSnapshot(ctx: ToolContext, device: string | undefined, include: string[] | undefined, diffFrom: string | undefined, signal: AbortSignal): Promise<Snapshot>;
export declare function takeSimSnapshot(ctx: ToolContext, diffFrom: string | undefined): Promise<Snapshot>;
export declare const SnapshotInputShape: {
    target: z.ZodDefault<z.ZodEnum<{
        device: "device";
        sim: "sim";
    }>>;
    device: z.ZodOptional<z.ZodString>;
    include: z.ZodOptional<z.ZodArray<z.ZodEnum<{
        console: "console";
        ble: "ble";
        mem: "mem";
        apps: "apps";
        ui: "ui";
        kit: "kit";
        leds: "leds";
        pads: "pads";
    }>>>;
    diff_from: z.ZodOptional<z.ZodString>;
};
export declare const SnapshotInput: z.ZodObject<{
    target: z.ZodDefault<z.ZodEnum<{
        device: "device";
        sim: "sim";
    }>>;
    device: z.ZodOptional<z.ZodString>;
    include: z.ZodOptional<z.ZodArray<z.ZodEnum<{
        console: "console";
        ble: "ble";
        mem: "mem";
        apps: "apps";
        ui: "ui";
        kit: "kit";
        leds: "leds";
        pads: "pads";
    }>>>;
    diff_from: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
export declare const O_Snapshot: z.ZodObject<{
    snapshot_id: z.ZodOptional<z.ZodString>;
    device: z.ZodOptional<z.ZodString>;
    usb_mode: z.ZodOptional<z.ZodString>;
    apps: z.ZodOptional<z.ZodNullable<z.ZodRecord<z.ZodString, z.ZodUnknown>>>;
    ui: z.ZodOptional<z.ZodNullable<z.ZodRecord<z.ZodString, z.ZodUnknown>>>;
    kit: z.ZodOptional<z.ZodNullable<z.ZodRecord<z.ZodString, z.ZodUnknown>>>;
    leds: z.ZodOptional<z.ZodNullable<z.ZodRecord<z.ZodString, z.ZodUnknown>>>;
    pads: z.ZodOptional<z.ZodNullable<z.ZodRecord<z.ZodString, z.ZodUnknown>>>;
    mem: z.ZodOptional<z.ZodNullable<z.ZodRecord<z.ZodString, z.ZodUnknown>>>;
    ble: z.ZodOptional<z.ZodNullable<z.ZodRecord<z.ZodString, z.ZodUnknown>>>;
    console: z.ZodOptional<z.ZodNullable<z.ZodRecord<z.ZodString, z.ZodUnknown>>>;
    ts: z.ZodOptional<z.ZodNumber>;
    changed: z.ZodOptional<z.ZodArray<z.ZodString>>;
    success: z.ZodBoolean;
    error: z.ZodOptional<z.ZodObject<{
        code: z.ZodString;
        message: z.ZodString;
        hint: z.ZodOptional<z.ZodNullable<z.ZodString>>;
        details: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
    }, z.core.$loose>>;
    details: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
}, z.core.$loose>;
export declare function registerSnapshotTool(server: McpServer, ctx: ToolContext): RegisteredTool;