"""Sample puzzle module used by the arcade launcher."""

from __future__ import annotations


def run(user_id: str) -> dict:
    """Return a dummy outcome for demonstration."""
    # Real puzzle logic would go here
    return {
        "score": 100,
        "achievements": ["first-puzzle"],
        "loyalty_boost": 1.0,
        "learning": {"pattern_recognition": 0.8},
    }
