- add environment import/export API endpoints and client integration
- add environment export actions and toolbar import/export buttons in UI
- move theme switcher to sidebar bottom and show root package version
- switch snippet card menu icon to cog for consistent options affordance
- design token system (Atlantis, Kimberly, Powder Ash palette)
- Button, Badge, Input, Select, Card, SidePanel, Breadcrumbs components
- generic typed Table<T> component with loading/empty states
- API data layer: typed fetch client for environments, keys, sessions, scenarios
- Vite dev proxy targeting server on port 13000
- App shell with SidePanel nav and four entity pages (Environments, Keys, Sessions, Scenarios)
- Storybook config with dark/light theme toggle and a11y addon
ars9