src/fsv_streamlit/errors.py

from __future__ import annotations


class AppError(Exception):
    """Base application error."""


class ValidationError(AppError):
    """Raised for invalid user input or invalid uploads."""


class ProviderError(AppError):
    """Raised when the FedStyleValidator call fails."""


class FileHandlingError(AppError):
    """Raised when temporary file or export handling fails."""