Module registry 

Structs

RuleDefinition

Static definition of a validation rule in the registry.

RuleInfo

Metadata describing a validation rule.

RuleMetadataEntry

Owned metadata for a single rule, used in engine metadata maps.

Enums

RuleOrigin

Where a rule’s logic originates.

Constants

RULE_REGISTRY

Functions

build_rule_metadata_map

Build a map of rule ID → metadata for all registered rules.

lookup_rule

Find a rule definition by its ID, or None if not registered.