Generate publication-quality chart images from data. Supports line, bar, area, point, candlestick, pie/donut, heatmap, multi-series, and stacked charts. Use when visualizing data, creating graphs, plotting time series, or generating chart images for reports/alerts. Designed for Fly.io/VPS deployments - no native compilation, no Puppeteer, no browser required. Pure Node.js with prebuilt binaries.

从数据生成高质量的图表图像，支持折线图、条形图、面积图、点图、K线图、饼图/环形图、热力图、多系列图和堆叠图。适用于数据可视化、绘图、时间序列绘制以及为报告或告警生成图表图像。专为 Fly.io/VPS 部署设计，无需本地编译，无需 Puppeteer，无需浏览器，纯 Node.js 配合预编译二进制文件。