Vertarra hub — smoke-test

Monorepo pipeline OK. Gap #36c Plan 02 scaffold.

Validates: @repo/config-typescript/nextjs.json extends + @repo/brand workspace:* resolution.

@repo/brand — colors

{
  "primary": "#000000",
  "secondary": "#666666",
  "accent": "#0066ff",
  "background": "#ffffff",
  "foreground": "#111111"
}

@repo/brand — typography

{
  "fontFamily": {
    "sans": "system-ui, sans-serif",
    "mono": "monospace"
  },
  "fontSize": {
    "xs": "0.75rem",
    "sm": "0.875rem",
    "base": "1rem",
    "lg": "1.125rem",
    "xl": "1.25rem",
    "2xl": "1.5rem"
  }
}

@repo/brand — spacing

{
  "xs": "0.25rem",
  "sm": "0.5rem",
  "md": "1rem",
  "lg": "1.5rem",
  "xl": "2rem",
  "2xl": "3rem"
}