"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 06:11:17.704555
"""

```python
from typing import Callable, Optional


class FallbackExecutor:
    """
    A class that provides a mechanism for executing functions with fallbacks in case of errors.
    
    This is particularly useful when dealing with operations where certain errors are expected but need to be handled gracefully.
    """

    def __init__(self, primary_function: Callable[[], None], fallback_function: Optional[Callable[[], None]] = None):
        """
        Initialize the FallbackExecutor.

        :param primary_function: The function to execute as the primary operation. If an error occurs here, the fallback will be tried.
        :param fallback_function: A function that should be executed if the primary function fails for any reason.
        """
        self.primary_function = primary_function
        self.fallback_function = fallback_function

    def run(self) -> None:
        """
        Execute the primary function. If an error occurs, attempt to execute the fallback function.
        """
        try:
            print("Executing primary function...")
            self.primary_function()
        except Exception as e:
            if self.fallback_function is not None:
                print(f"Primary function failed: {e}. Attempting fallback...")
                self.fallback_function()
            else:
                print(f"No fallback provided and primary function raised an exception: {e}")


# Example usage
def main() -> None:
    """
    Demonstrate the use of FallbackExecutor.
    """

    def primary() -> None:
        # Simulate a condition that may fail
        if not some_condition():
            raise ValueError("Simulated error in primary function")

    def fallback() -> None:
        print("Executing fallback operation...")

    executor = FallbackExecutor(primary, fallback)
    try:
        some_condition_result = True  # Change this to False to test the fallback mechanism
        if not some_condition_result:
            raise Exception("Condition failed, triggering manual fallback")
    except Exception:
        pass

    executor.run()


def some_condition() -> bool:
    """A placeholder function representing a condition check."""
    return True


if __name__ == "__main__":
    main()
```

This code implements the `FallbackExecutor` class as per your requirements. It includes a primary and optional fallback function, error handling logic, and example usage demonstrating how to use it in different scenarios.