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Previously colnames(y) were silently overwritten. (L2)\n\n- rsdc_forecast_ahead(): validate that X_future has the same number of columns\n as the estimation covariate matrix X. (L3)\n\n- plot.rsdc_fit(): corrected the error message - stored regime probabilities\n do not depend on compute_se. (L4)\n\n- Docs: rsdc_corr_bands() documents the truncation of invalid Gaussian draws\n near parameter bounds. (L8)\n\n- Removed dead requireNamespace(\"mvtnorm\") guards; mvtnorm is a hard Imports\n dependency. (L7)\n\nR CMD check: Status OK. 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