Structured, value-safe anonymizer operator error.
Errors contain stable machine-readable fields and never include source text,
replacement values, salts, callback return values, or exception messages.
Codes and fields are stable in 0.1.x; rendered messages are not.
Summary
Types
@type code() ::
:invalid_operator_collection
| :invalid_operator_config
| :unsupported_operator
| :unknown_operator_option
| :missing_operator_option
| :invalid_operator_option
| :operator_failed
| :invalid_operator_result