Button

A shadcn-compatible button with an optional Stripe-style arrow animation

Seven variants and five sizes in uppercase mono. `primary` is filled phosphor; `signal` marks urgent states.

Button with a full variant x tone x size matrix: 5 variants (solid, soft, outline, ghost, link), 6 tones (neutral, brand, success, warning, danger, info), 10 sizes (xs-xl plus square icon-xs through icon-xl for icon-only buttons), plus isLoading and asChild. Every tone is driven by ai2 semantic tokens.

A chronological feed of system events (provision, transfer, agent) on a status-vocabulary timeline, with expandable detail and optional per-entry actions.

Full agent chat pane: streamed markdown turns, tool chips, reasoning, and a composer with a model-controls slot.

Create, reveal-once, and revoke Neon API keys (personal and organization), with an inline create flow, a one-time secret reveal, and per-row revoke confirmation.

The describe-an-app bar: auto-growing prompt, free/paid plan segment, and a create action with an in-flight state.

The email/password card: mode switching, providers, structured errors, and a working state — Better Auth-shaped.

A searchable branch selector with default/protected status and an inline create-branch affordance.

Checkpoint history rail with git sha, snapshot indicator, project id, restore with busy state, and empty state.

Destructive confirmation modal armed by press-and-hold, with keyboard hold support.