Changes in version 0.1.1 (2026-06-02) - Refactored residual sum of squares calculation in icc_calc_anova() (R/utils-calc.R) to strictly follow ANOVA decomposition theorem. - Corrected confidence interval logic and Satterthwaite degrees of freedom in icc_tool_ci(). - Improved non-zero null hypothesis tests in icc_calc_f_test() with full compliance to McGraw & Wong (1996). - Aligned all ICC calculation results with irr and psych benchmark packages. Changes in version 0.1.0 (2026-05-27) - Initial release on CRAN. - Core functions: icc_calc(), icc_sample_size(), run_icc_app().