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\textbf{Missingness model-subitem heatmap}\\[0.4em]
\emph{Mean score, 0--1; missing cells stay white.}\\[0.5em]
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Subitem & ARF & BayesNet & CTGAN & ForestDiffusion & RealTabFormer & TabbyFlow & TabDDPM & TabDiff & TabPFGen & TabSyn & TVAE \\
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Marginal missing-rate consistency & \cellcolor[HTML]{243D98} & \cellcolor[HTML]{2350A1} & \cellcolor[HTML]{24459C} & \cellcolor[HTML]{2258A5} & \cellcolor[HTML]{21318D} & \cellcolor[HTML]{2258A5} & \cellcolor[HTML]{1E85BA} & \cellcolor[HTML]{2356A4} & \cellcolor[HTML]{2258A5} & \cellcolor[HTML]{2356A4} & \cellcolor[HTML]{2260A9} \\
Co-missingness pattern consistency & \cellcolor[HTML]{243F99} & \cellcolor[HTML]{2350A1} & \cellcolor[HTML]{24489D} & \cellcolor[HTML]{2258A5} & \cellcolor[HTML]{21318D} & \cellcolor[HTML]{2258A5} & \cellcolor[HTML]{1E85BA} & \cellcolor[HTML]{2356A4} & \cellcolor[HTML]{2258A5} & \cellcolor[HTML]{2356A4} & \cellcolor[HTML]{2262AA} \\
Family mean & \cellcolor[HTML]{243D98} & \cellcolor[HTML]{2350A1} & \cellcolor[HTML]{24479D} & \cellcolor[HTML]{2258A5} & \cellcolor[HTML]{21318D} & \cellcolor[HTML]{2258A5} & \cellcolor[HTML]{1E85BA} & \cellcolor[HTML]{2356A4} & \cellcolor[HTML]{2258A5} & \cellcolor[HTML]{2356A4} & \cellcolor[HTML]{2260A9} \\
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