Storybook

Scaffold and test Storybook stories — three artefacts in two files per component: a Default story and a Playground story (both in the visual regression file) plus an interaction test file under a /Tests namespace. Works on React (web) and React Native / Expo (native). Auth — when the running Storybook is gated — is opt-in and per-pathname, with secrets stored in the OS keychain instead of the repo.

This SKILL.md is a thin index. Concern-specific rules live in rules/*.md and load on demand. Reference material lives in references/*.md. Literal scaffolding lives in templates/*.md. Do not preload every file — load only what the current phase asks for.