Changes in version 0.1.3                        

  - dk_gfn() now returns an S3 object of class dk_gfn with dedicated
    print() and plot() methods, consistent with other debtkit functions.

                 Changes in version 0.1.2 (2026-03-31)                  

  - Removed .GlobalEnv modification in dk_fan_chart() seed handling, per
    CRAN policy.

                        Changes in version 0.1.1                        

  - Fixed Bohn (1998) DOI: replaced defunct JSTOR DOI with QJE publisher
    DOI (10.1162/003355398555793).

                        Changes in version 0.1.0                        

  - Initial release.
  - Deterministic debt projections via dk_project() using the standard
    debt dynamics equation.
  - Historical decomposition of debt changes into interest, growth,
    primary balance, and stock-flow adjustment effects via
    dk_decompose().
  - Interest rate-growth differential and debt-stabilising primary
    balance via dk_rg().
  - Bohn (1998) fiscal reaction function estimation with OLS,
    rolling-window, and quadratic methods via dk_bohn_test(). HAC
    (Newey-West) standard errors via robust_se = TRUE.
  - Stochastic debt fan charts via Monte Carlo simulation using
    dk_fan_chart() and dk_estimate_shocks(). Supports bootstrap residual
    resampling.
  - Six standardised IMF stress tests via dk_stress_test(), with
    optional data-driven calibration.
  - IMF-style heat map risk assessment via dk_heat_map().
  - Gross financing needs projection via dk_gfn().
  - European Commission S1/S2 sustainability gap indicators via
    dk_sustainability_gap().
  - Scenario comparison via dk_compare().
  - Built-in sample data via dk_sample_data().