"""Convert browser-cli SDK models into MCP structured-output values."""
from __future__ import annotations

from dataclasses import fields, is_dataclass
from typing import Any

def structured(value: Any) -> Any:
  """Return JSON-compatible data without private SDK binding fields."""
  if is_dataclass(value) and not isinstance(value, type):
    return {
      field.name: structured(getattr(value, field.name))
      for field in fields(value)
      if not field.name.startswith("_")
    }
  if isinstance(value, dict):
    return {str(key): structured(item) for key, item in value.items()}
  if isinstance(value, (list, tuple, set)):
    return [structured(item) for item in value]
  return value