namespace Theriapolis.Core.Persistence.SaveMigrations;

/// <summary>
/// Single-step migration from one schema version to the next. Migrations
/// chain — Migrations.MigrateUp finds a path from header.Version to
/// C.SAVE_SCHEMA_VERSION and applies each step in order.
/// </summary>
public interface ISaveMigration
{
    int FromVersion { get; }
    int ToVersion   { get; }
    void Apply(SaveHeader header, SaveBody body);
}