This skill should be used when the user asks "Chart.js options", "Chart.js animations", "Chart.js legend", "Chart.js tooltip", "Chart.js title", "disable Chart.js animation", "customize Chart.js tooltip", "Chart.js responsive", "Chart.js aspect ratio", "Chart.js interactions", "Chart.js hover", "Chart.js click events", "Chart.js layout", "Chart.js padding", "Chart.js font", "Chart.js colors", "Chart.js external tooltip", "Chart.js custom legend", "Chart.js transitions", or needs help configuring Chart.js v4.5.1 options, plugins, and styling.