Changes in version 1.0.0 (2026-07-02)                  

  - Initial release.
  - Seven estimators for the average treatment effect in mixed-subjects
    designs: Difference-in-Means, GREG, PPI++, Doubly-Tuned (D-T),
    Difference-in-Predictions (DiP), DiP++, and D-T DiP.
  - Variance estimation via delta-method or fold-respecting bootstrap.
  - Optimal design selection for allocating budget between human
    observations and LLM predictions.