Charts: red and black palette, capitalised labels, model display names, explicit negative-bar axis notes

Remove retired scatter charts/zh/4_economy_vs_fidelity.png

Remove retired scatter charts/en/4_economy_vs_fidelity.png

Remove retired scatter charts/4_economy_vs_fidelity.png

Retire the economy-fidelity scatter for the clearer two-panel dense trade-off chart; correct the dense-slice family list

Cogency and parity: rewritten motivation paragraph; Chinese supplement charts mirror the English set figure for figure; edge-aware scatter labels

Final state: report restructured (English main body, language comparison, Chinese supplement), per-language charts, self-contained public prose, fresh-eyes review fixes applied

Summary paragraph on effectiveness and use case; language comparison separated (chart 8, per-model EN/ZH drops in card and report)

Charts: per-model ranked task cascade replaces the grid on the card; family chart gains descriptive labels, stated sort order and a drop column

Complete three-model dense coverage: Kimi prose dense finished under charitable limits; reliability reported as quantified cost; framed bottom-right legends on charts 1 and 6; updated card and report

v0.4.0: structured family (JSON/config, tool schemas, source code), 1950 test / 366 core, rewritten card and report with three-model results, bar-chart series

Charts: 95% Wilson CIs, sample sizes, degenerate-point handling

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