Changes in version 1.0.0 (2026-06-01)                  

  - Initial CRAN release.
  - qq_causality() for bivariate Quantile-on-Quantile Granger causality
    (Sim and Zhou 2015 framework) and mqq_causality() for the
    conditional version that adds a vector of moderators and optional x
    * Z interaction terms (Sinha et al. 2024).
  - sup_wald() summary across (theta, tau) with Bonferroni adjustment
    (Troster 2018).
  - 3D surface, heatmap, contour and significance-only heatmap
    visualisations (plot_qq_causality_3d, plot_qq_causality_heatmap,
    plot_qq_causality_contour, plot_significance_heatmap).
  - MATLAB Parula default colour scale, plus Jet, Turbo, BlueRed and the
    Sinha red-yellow-black palette.