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from __future__ import annotations

from airflow.providers.common.compat.sdk import AirflowException


class HITLMaxIterationsError(AirflowException):
    """Raised when the HITL review loop exhausts max iterations without approval or rejection."""


class LLMFileAnalysisError(ValueError):
    """Base class for file-analysis validation errors."""


class LLMFileAnalysisUnsupportedFormatError(LLMFileAnalysisError):
    """Raised when a file format is not supported by LLM file analysis."""


class LLMFileAnalysisLimitExceededError(LLMFileAnalysisError):
    """Raised when file-analysis safety limits are exceeded."""


class LLMFileAnalysisMultimodalRequiredError(LLMFileAnalysisUnsupportedFormatError):
    """Raised when image/PDF inputs are used without ``multi_modal=True``."""
