Chart Builder Overview This skill provides a systematic approach to data visualization—from choosing the right chart type for your data and message, to implementing it in Python (matplotlib/seaborn) or JavaScript (Chart.js). It covers chart anatomy, color principles, accessibility requirements, and common pitfalls, so every chart communicates its insight clearly and honestly. When to Use - You need to communicate a data insight visually - You're unsure which chart type fits your data shape and message - You need reproducible chart code in Python or JavaScript - You want to improve a chart tha…