"""
Base agent interface for all system agents.
Ensures consistent behavior across all agent implementations.
"""

from abc import ABC, abstractmethod
from typing import Any, Dict


class Agent(ABC):
    """
    Base class for all agents in the system.
    Each agent must implement the execute method with structured I/O.
    """
    
    def __init__(self):
        self.name = self.__class__.__name__
    
    @abstractmethod
    def execute(self, input_data: Dict[str, Any]) -> Dict[str, Any]:
        """
        Execute the agent's core logic.
        
        Args:
            input_data: Structured input dictionary
            
        Returns:
            Structured output dictionary
            
        Raises:
            ProofSystemError: On execution failure
        """
        pass
    
    def __repr__(self) -> str:
        return f"<{self.name}>"