Module validator 

Core SchemaValidator — immutable validation configuration.

SchemaValidator holds the compiled schema reference, substitution groups, and validation flags. It is reusable across multiple validation runs.

Callers create a per-run super::runtime::ValidationRuntime via SchemaValidator::start_run() to perform actual validation.

Structs

CollectingValidationSink

Collects errors into a Vec<ValidationError> and warnings into a Vec<ValidationWarning>

ErrorOnlySink

Collects errors only; discards warnings

SchemaValidator

Immutable validation configuration — reusable across runs.

ValidationWarning

A validation warning (non-fatal)

Enums

AssertionSource

Selects which assertion evaluation path is active.

Traits

ValidationSink

Sink for validation errors and warnings