from __future__ import annotations

from typing import Any, Dict


class Sandbox:
    def __init__(self):
        self.state: Dict[str, Any] = {}

    def reset(self) -> None:
        self.state = {}

    def run(self, inputs: Dict[str, Any]) -> Dict[str, Any]:
        # Very basic simulation: echo inputs and update internal counters
        self.state.update(inputs or {})
        return {"status": "ok", "state": self.state}