Module definitions 

Migration Definitions - Core types and structures for migrations

Defines the fundamental types used throughout the migration system including Migration, MigrationRecord, and MigrationConfig structures.

Structs

Migration

Represents a database migration

MigrationConfig

Configuration for the migration system

MigrationRecord

Migration status in the database

MigrationRunResult

Result of running migrations

RollbackResult

Result of rolling back migrations

Enums

MigrationDirection

Migration direction for execution

MigrationStatus

Migration status in the system