from __future__ import annotations

from dataclasses import asdict, dataclass, field
from typing import Any


@dataclass
class Diagnostic:
    code: str
    message: str
    severity: str = "error"
    feature_id: str | None = None
    detail: dict[str, Any] = field(default_factory=dict)

    def as_dict(self) -> dict[str, Any]:
        return asdict(self)