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


@dataclass
class LocalProblem:
    id: str
    description: str
    parameters: Dict[str, Any] = field(default_factory=dict)


@dataclass
class SharedVariables:
    name: str
    value: Any
    version: int = 0


@dataclass
class PlanDelta:
    id: str
    timestamp: float
    updates: Dict[str, Any] = field(default_factory=dict)


@dataclass
class ConstraintSet:
    name: str
    constraints: Dict[str, Any] = field(default_factory=dict)


@dataclass
class DeviceInfo:
    device_id: str
    device_type: str
    metadata: Dict[str, Any] = field(default_factory=dict)