Check browser support for web platform features (CSS, JS APIs, HTML) against the project's actual browser targets. Resolves the project's browserslist config, queries caniuse/MDN compatibility data, reports Baseline status, and recommends fallbacks or progressive enhancement. Use when asking "can I
Check browser support for web platform features (CSS, JS APIs, HTML) against the project's actual browser targets. Resolves the project's browserslist config, queries caniuse/MDN compatibility data, reports Baseline status, and recommends fallbacks or progressive enhancement. Use when asking "can I use X", choosing between modern and legacy approaches, reviewing code for unsupported features, or a