"""Create error_monitor
Generated by Phi-Octopus Eden
2025-11-06 09:14:13.674402
"""

```python
from typing import Any, Callable, Dict


class ErrorMonitor:
    """
    A class for monitoring errors and performing limited error recovery.

    Attributes:
        recovery_functions (Dict[str, Callable]): A dictionary to map error messages to their corresponding recovery functions.
    
    Methods:
        add_recovery_function: Adds a function to the recovery_functions dictionary based on an error message.
        monitor: Monitors for errors in a given function call and attempts to recover if an error is caught.
    """

    def __init__(self):
        self.recovery_functions = {}

    def add_recovery_function(
        self, error_message: str, recovery_function: Callable[[str], None]
    ) -> None:
        """
        Adds a function to the recovery_functions dictionary based on an error message.

        Args:
            error_message (str): The error message that triggers the recovery.
            recovery_function (Callable[[str], None]): The function to be called when the error is encountered.

        Returns:
            None
        """
        self.recovery_functions[error_message] = recovery_function

    def monitor(self, func: Callable[..., Any]) -> Callable[..., Any]:
        """
        Decorator that monitors for errors in a given function call and attempts to recover if an error is caught.

        Args:
            func (Callable[..., Any]): The function to be monitored.

        Returns:
            Callable[..., Any]: The decorated function.
        """

        def wrapper(*args: Any, **kwargs: Any) -> Any:
            try:
                return func(*args, **kwargs)
            except Exception as e:
                error_message = str(e)
                if error_message in self.recovery_functions:
                    recovery_function = self.recovery_functions[error_message]
                    print(f"Error detected: {error_message}")
                    recovery_function(error_message)
                else:
                    raise

        return wrapper


# Example usage
def process_data(data: Dict[str, int]) -> None:
    if "invalid_key" in data:
        raise KeyError("Key not found")
    value = data["valid_key"]
    print(f"Processed value: {value}")


def handle_key_error(error_message: str) -> None:
    print("Recovering from key error... Attempting to use default value.")
    # Simulate recovery
    pass


if __name__ == "__main__":
    error_monitor = ErrorMonitor()
    error_monitor.add_recovery_function(
        "Key not found", handle_key_error
    )  # Register the recovery function

    @error_monitor.monitor
    def call_process_data() -> None:
        data = {"valid_key": 42}
        process_data(data)

    try:
        call_process_data()
    except Exception as e:
        print(f"Final exception: {e}")
```