$npx -y skills add plannotator/effective-html --skill htmlCreate a self-contained HTML file for whatever the user is describing, in the effective HTML style. Use when the user wants an HTML artifact that isn't specifically a diagram or a plan — a report, explainer, comparison, deck, prototype, or anything else best delivered as one HTML
| 1 | # HTML |
| 2 | |
| 3 | Review the files throughout `references/html-effectiveness/`. |
| 4 | |
| 5 | Create an HTML file for whatever the user is describing. Use the references as best you can to match alignment — style, density, and tone. |
| 6 | |
| 7 | Always include dark mode: hand-rolled CSS variables on `:root` / `html.dark`, a small theme toggle button, `localStorage` persistence, and an apply-before-paint script in `<head>` (default to `prefers-color-scheme`). |