cumcm-math-modeling-codex-skill

CUMCM/数学建模竞赛 workflow for problem decomposition, data audit, route comparison, reproducible solving, validation, figures, and paper writing. Use for 全国大学生数学建模竞赛, CUMCM, 建模论文, 赛题分析, 技术路线图, 模型流程图, 灵敏度分析, 摘要, 一等奖标准, or contest-style modeling reports. Do not use for ordinary homework, non-contest paper polishing, image-only editing, or pure coding fixes unless contest modeling is requested.