// Submodules that define different contract domains
// Column-level constraints (type, nullability, length, etc.)
// Multi-column constraints (e.g., uniqueness across fields)
// File-level constraints (row counts, completeness)
// Schema definitions and contract orchestration
// Shared enums and type definitions for contracts
// Curated re-exports: the stable API surface for contracts
pub use ;
pub use ContractType;