"""In-memory registry for adapters and contracts (MVP).

- This is a lightweight stand-in for a proper contract registry with versioning.
"""
from __future__ import annotations

from typing import Dict, Any


class Registry:
    def __init__(self) -> None:
        self.adapters: Dict[str, Dict[str, Any]] = {}

    def register_adapter(self, name: str, version: str, meta: Dict[str, Any]) -> None:
        self.adapters[name] = {"version": version, "meta": meta}

    def get_adapter(self, name: str) -> Dict[str, Any] | None:
        return self.adapters.get(name)

    def list_adapters(self) -> Dict[str, Dict[str, Any]]:
        return self.adapters


registry = Registry()