Add Divider, Accordion, Stepper and FileAttachment components ...

- Implement CSS for divider, accordion, stepper and file-upload/attachment.
- Add browser Accordion helper and expose it on window.VMKUIKit.
- Add Vue adapters: GnAccordion, GnSteps, GnFileUpload, GnFileAttachment.
- Add demo partials and figma match pages for divider and attached-file.
- Fix Figma comparison flattening for transparent baselines (e.g. breadcrumbs, attached-file).
- Add vertical spacing to the demo index page to separate sections.

All Figma visual tests and the Vue adapter smoke build pass.

Sync tokens and components with Figma variables and frames ...

- Update primitive palette: add neutral-25, adjust warning-bg to #FEF3E5.
- Add full radius scale (xs/sm/md/lg/xl/2xl/full) from radius.tokens.json.
- Update semantic surfaces/borders from Mode 1 tokens.
- Realign buttons: primary dark, secondary mint, accent yellow, tertiary ghost.
- Realign badges, alerts, cards, inputs, checkbox, radio, switch, modal, toast.
- Update demo palette/utilities and style-guide docs.
- Add exported Figma frames and variables under 'figma design parts/' for reference.

Apply Figma design tokens: palette, typography, semantic aliases ...

- Replace placeholder colors with extracted Figma primitives:
  neutral, lavender, mint, yellow scales and danger/info/success/warning
  semantic primitives.
- Add semantic aliases for surfaces, borders, and UI states.
- Replace IBM Plex Mono with Plus Jakarta Sans as primary font.
- Add full typography scale (headings, body, button, caption)
  for mobile and desktop from Figma Style Guide.
- Update docs/style-guide.md with extracted tokens.
- Update .gitignore to exclude .figma-token.
- Update vmk-ui-kit-figma.url to point to the shared copy.

Build, Vue example build, and Playwright smoke test still pass.

Scaffold vmk-ui-kit build system, docs, and compatibility contract ...

- Add Gulp 5 + esbuild + Sass build pipeline mirroring gnexus-ui-kit
- Add package.json with compatible exports (main, module, vue, css, assets)
- Add Playwright config and smoke test
- Add Vue example project for adapter smoke build
- Add placeholder SCSS tokens, JS entry, and Vue plugin
- Add docs skeleton (getting-started, vue, style-guide, release, coverage)
- Add PROJECT_NOTES.md with agreed decisions and open questions
- Update CLAUDE.md with reference architecture and compatibility requirements

Build, Vue example build, and Playwright smoke test all pass.