Changes in version 0.1.0 (2026-03-26)                  

  - Initial release.
  - interaction_surface() for interactive 3D surface plots from fitted
    models.
  - plot_crossings() for standalone crossing-point visualization.
  - find_crossings() for programmatic crossing detection.
  - interaction_surface_grid() for all-pairwise exploration.
  - sim_factorial() for generating test data with known interactions.
  - Support for lm, glm, gam, and any model with a predict() method.
  - Automatic binning of continuous conditioning variables.
  - Categorical axis support with tick label mapping.