Smart Charts

将数据文件（CSV/Excel/JSON）转化为交互式 ECharts HTML。支持 21 种图表类型、多文件合并、LLM 数据转换代码（沙箱执行）。 CLI 细节、flags 语义、错误码表、FAQ 见 REFERENCE.md。

Activation Triggers

Load this skill when any of the following is met:

• User mentions: "analyze data", "generate chart", "data visualization", "chart", "visualization" / 用户提到：「分析数据」「生成图表」「数据可视化」
• User provides a data file and asks for analysis or visualization
• User asks to generate charts or a report from tabular data

Hard Constraints (MUST follow)