Changes in version 0.1.0 (2026-10-08)                  

  - Initial release.
  - Latent multivariate-normal linking of interims to the summative
    scale with measurement error and missing interims (ty_link()).
  - Two-stage MST simulation with cold-start and prior-informed routing
    (ty_mst(), ty_administer(), ty_policies()).
  - Fairness diagnostics by group (ty_fairness()).
  - Decision accuracy and consistency of through-year scores versus a
    single summative (ty_decisions()).