debtkit 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.

debtkit 0.1.2

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

debtkit 0.1.1

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

debtkit 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().