Experiments Use this skill for frontend experiment code lifecycle work in . Start with the relevant mode in reference.md: - for a new experiment folder, constant, store/composable, and tests. - for new variants, behavior, display logic, or telemetry on an existing experiment. - for host-surface integration through routes, modals, views, or components. - for store, composable, persistence, telemetry, and UI behavior coverage. - for auditing experiment changes. - for cleaning up completed or abandoned experiments. When experiment work touches Vue components or user-facing copy, also follow and…