"""Page-flow errors. Codes stay for logs; they no longer map to a state-center fail callback."""


class NodeError(RuntimeError):
    error_code = "UI_ELEMENT_NOT_FOUND"
    retryable = False
    route_role = "OPS"


class LoginFailed(NodeError):
    error_code = "SYS_LOGIN_FAIL"
    retryable = True
    route_role = "OPS"


class SupplierContractDisabled(NodeError):
    error_code = "BIZ_CONTRACT_DISABLED"
    retryable = False
    route_role = "PURCHASER"


class PdfMergeUnsupported(NodeError):
    error_code = "CAP_PDF_MERGE_UNSUPPORTED"
    retryable = False
    route_role = "OPS"


class UnknownRpaError(NodeError):
    error_code = "RPA_UNKNOWN_ERROR"
    retryable = True
    route_role = "OPS"