Mechanical pre-ship verification of self-built UI: measures the build against design intent (spacing, type, states, interaction parity), drives every click-path with browser automation, checks cross-device/cross-browser, and runs a front-end performance pass (Core Web Vitals, jank, layout thrash, bu
Mechanical pre-ship verification of self-built UI: measures the build against design intent (spacing, type, states, interaction parity), drives every click-path with browser automation, checks cross-device/cross-browser, and runs a front-end performance pass (Core Web Vitals, jank, layout thrash, bundle size). Use when asked to 'verify this page', 'QA before ship', 'run a pre-launch check', 'test