from typing import Optional, Any


class AppError(Exception):
    def __init__(self, message: str, context: Optional[dict[str, Any]] = None):
        super().__init__(message)
        self.message = message
        self.context = context or {}


class GuardRejectionError(AppError):
    pass


class CacheError(AppError):
    pass


class RetrievalError(AppError):
    pass


class GenerationError(AppError):
    pass


class PipelineError(AppError):
    pass


class IngestionError(AppError):
    pass