Redesign the Compare tab around one row per metric#4836
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The compare view asked the reader to cross-reference a nine-column statistics table against 24 separate scatter charts to answer one question: did anything change, and by how much? The scatter charts also plotted values against run index, which carries no meaning for independent samples — the actual signal is how the two distributions sit against each other. Each metric is now a single row: the p-value, a distribution strip showing every baseline and current run on a shared value axis with median ticks, median → median with the delta, and the verdict. A verdict card on top gives the headline count with chips that jump to the flagged metrics, and significant rows are tinted by direction — regressions red, improvements green (the old layout showed a significant improvement in error-red). When both medians are zero but runs differ, the row falls back to means so flaky CPU long tasks stop looking identical. The old chart anchors stay alive as row ids, and the per-series colors were replaced with a colorblind-validated pair (the old tan failed contrast on the card surface). Co-authored-by: Claude Fable 5 noreply@anthropic.com
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The compare view asked the reader to cross-reference a nine-column statistics table against 24 separate scatter charts to answer one question: did anything change, and by how much? The scatter charts also plotted values against run index, which carries no meaning for independent samples — the actual signal is how the two distributions sit against each other.
Each metric is now a single row: the p-value, a distribution strip showing every baseline and current run on a shared value axis with median ticks, median → median with the delta, and the verdict. A verdict card on top gives the headline count with chips that jump to the flagged metrics, and significant rows are tinted by direction — regressions red, improvements green (the old layout showed a significant improvement in error-red). When both medians are zero but runs differ, the row falls back to means so flaky CPU long tasks stop looking identical. The old chart anchors stay alive as row ids, and the per-series colors were replaced with a colorblind-validated pair (the old tan failed contrast on the card surface).
Co-authored-by: Claude Fable 5 noreply@anthropic.com